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Class Numbers & Titles | Class Numbers Only | USPC Index | International | HELP |
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Class 165 | HEAT EXCHANGE |
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4 | REGENERATOR |
5 | Cleaning |
6 | Movable heat storage mass with enclosure |
9.1 | Checker brick structure |
9.2 | Gradated flow area, heat capacity or heat resistance |
9.3 | Having gas supply or exhaust manifold structure |
9.4 | In casing |
10 | Heat collector |
11.1 | WITH ALARM, INDICATOR, SIGNAL, REGISTER, RECORDER, TEST OR INSPECTION MEANS |
200 | WITH TIMER, PROGRAMMER, TIME DELAY, OR CONDITION RESPONSIVE CONTROL |
201 | Having heating and cooling capability |
202 | Vehicle installation |
203 | Plural temperature regulators for plural zones |
204 | Flow control of chest, foot, or defrost air in vehicle |
205 | Plural temperature regulators for plural zones |
206 | Nonbuilding system (e.g., machine tool, chemical analyzer, etc.) |
207 | Refrigeration system having an evaporator or condenser in each zone |
208 | Central system prioritizes heating and cooling requests from zones |
209 | Supervisory central control means overrides zone controller |
210 | Heat balancing using waste heat or cold (e.g., heat reclaim, etc.) |
211 | Different conditioning means for perimeter zone and core zone |
212 | Central temperature conditioned air supplied to each zone |
213 | Mixing within zone of recirculated zone air and supply air adjacent zone air inlet (e.g., induction unit, etc.) |
215 | Reheat adjacent zone air inlet |
216 | Mixing of separate centrally supplied hot and cold stream before discharge into each zone (e.g., dual-duct, etc.) |
217 | Volume flow of discharged air at discharge into zone modulated by zone heating or cooling load (e.g., variable air volume, etc.) |
218 | Central temperature conditioned liquid supplied to each zone |
222 | Humidity control |
223 | Humidity sensor measures humidity of air in conditioned space |
224 | Additional humidity sensor (e.g., located outside of conditioned space, etc.) |
225 | Humidity sensor controls indirect-contact cooling means |
226 | Liquid spray onto indirect-contact cooling means |
227 | Air bypass of indirect-contact cooling means |
228 | Reheat of cooled air downstream of indirect-contact cooling means |
229 | Humidity sensor controls humidifier |
230 | Dewpoint controlled (e.g., control of cooling means by downstream temperature sensor to maintain controlled dewpoint of downstream air, etc.) |
231 | Congealed material (e.g., frost, etc.) or condensation removal or prevention |
234 | Control of static pressure of conditioned space |
236 | Control of heat storage |
237 | Means responsive to occupancy of space |
238 | Means storing set point for particular time of day (e.g., clock thermostat, etc.) |
239 | Means to compute time required to reach certain temperature by certain time of day (e.g., morning warm-up, etc.) |
240 | Heat pump and supplemental heat source |
243 | Means to reset supply air temperature or supply water temperature as function of heat load |
244 | Means to control fan or pump to regulate supply air flow or supply water flow |
245 | Low flow during heating and high flow during cooling |
246 | Responsive to pressure |
247 | Responsive to temperature |
248 | Flow of air from outdoors controlled (e.g., minimum outside air, etc.) |
249 | Proportion of outdoor air and return air controlled |
252 | Pre-heat or pre-cool of outdoor air before mixing with returned air |
253 | Temperature sensor controlling temperature |
254 | System selects heating or cooling mode automatically (e.g., responsive to season, ambient light, temperature in conditioned area, etc.) |
255 | Dead band between heating and cooling |
256 | Variable rate of heating or cooling (e.g., plural stages, etc.) |
257 | Room and ambient temperature sensors |
258 | Separate heating and cooling thermostats |
259 | Single temperature sensing means |
260 | Variable rate of heating or cooling (e.g., plural stages, etc.) |
263 | Area receives conditioning from simultaneously operated heating and cooling means (e.g., opposed and compensating heating and cooling, etc.) |
265 | Manual changeover between heating and cooling modes (e.g., manual override, etc.) |
266 | Pre-heat or pre-cool of space or device during start-up |
267 | Means to heat or cool for predetermined periods of time (e.g., duty cycle, time-temperature profiler, etc.) |
268 | Predetermined time variable set point |
269 | Duty cycle (e.g., pulse duration or pulse frequency modulation, etc.) |
270 | Time delay |
271 | Vehicle or engine speed responsive |
272 | Control of heat pipe heat transfer characteristics |
273 | Control of quantity of inert gas |
274 | Control of vapor or liquid flow between evaporator and condenser sections (e.g., by variable restrictions, check valves, etc.) |
275 | Control of amount of conductive gas in confined space between heat source and heat sink |
276 | Control of variable thermal conductivity systems (e.g., heat valves, etc.) |
278 | Vent of system (e.g., overpressure, overtemperature, removal of noncondensable, etc.) |
279 | Pressure and temperature responsive or control |
281 | Fluid pressure responsive or control |
282 | Branched flow of heat exchange material |
285 | Flow of one heat exchange material controlled by the pressure of another |
286 | Flow of one heat exchange material controlled by its own pressure |
287 | Temperature responsive or control |
288 | Plural temperature sensors |
289 | Means to maintain a constant temperature difference between a measured temperature and a controlled temperature |
290 | Temperature sensor within or near an area to be conditioned, another tempeerature sensor near the conditioning equipment (e.g., shallow/deep, etc.) |
291 | Temperature sensor inside conditioned space, another temperature sensor outdoor (e.g., indoor set point adjusted by outdoor conditions, etc.) |
292 | Temperature sensor in treated fluid, another temperature sensor in treating fluid |
293 | Temperature sensor prior to heat exchanger and one after |
294 | Branched flow of heat exchange material |
295 | Including mass flow sensor |
296 | Branched flow of heat exchange material |
299 | Flow of one heat exchange material controlled by temperature of another |
300 | Flow of one heat exchange material controlled by its own temperature |
301 | Liquid-level responsive or control means |
303 | Cleaning |
41 | WITH VEHICLE FEATURE |
45 | GEOGRAPHICAL |
46 | FLEXIBLE ENVELOPE OR COVER TYPE |
47 | STRUCTURAL INSTALLATION |
58 | HEATING AND COOLING |
67 | WITH EXTERNAL SUPPORT |
69 | RESILIENT VIBRATION DAMPER ISOLATING EXCHANGER ELEMENT |
70 | WITH LEAKAGE COLLECTOR |
71 | WITH PURGE, OR DRAINAGE, COCK OR PLUG |
72 | COVERED ACCESS OPENING |
73 | Cover is, or carries, heat exchanging means |
75 | Heating or cooling means within the covered chamber |
76 | WITH REPAIR OR ASSEMBLY MEANS |
80.1 | WITH RETAINER FOR REMOVABLE ARTICLE |
81 | EXPANSION AND CONTRACTION RELIEVING OR ABSORBING MEANS |
84 | WITH MEANS FLEXING, JARRING OR VIBRATING HEAT EXCHANGE SURFACE |
85 | AGITATOR OR IMPELLER MOTOR OPERATED BY EXCHANGE FLUID |
86 | MOVABLE HEATING OR COOLING SURFACE |
87 | Hollow screw type impeller |
88 | Rotor carrying separate chambers for two exchanging fluents |
89 | Rotary drum |
92 | Hollow strirrer or scraper |
94 | WITH SCRAPER REMOVING PRODUCT FROM TEMPERATURE MODIFYING SURFACE |
95 | WITH CLEANING MEANS FOR HEAT EXCHANGER |
96 | WITH ADJUSTOR FOR HEAT, OR EXCHANGE MATERIAL, FLOW |
97 | Flow reversed or crossed within temperature modifying zone |
98 | Adjustable radiator face covering means |
100 | Branched flow |
104.11 | INTERMEDIATE FLUENT HEAT EXCHANGE MATERIAL RECEIVING AND DISCHARGING HEAT |
104.12 | Reversible chemical reaction |
104.13 | Plural intermediate fluent heat exchange materials |
104.15 | Solid fluent heat exchange material |
104.16 | Fluidized bed |
104.17 | Utilizing change of state |
104.18 | Including means to move heat exchange material |
104.19 | Liquid fluent heat exchange material |
104.21 | Utilizing change of state |
104.22 | Including means to move heat exchange material in liquid state |
104.23 | By direct application of electrical energy to heat exchange material |
104.24 | By application of heat other than in heat receiving area |
104.25 | By application of mechanical energy |
104.26 | Utilizing capillary attraction |
104.27 | With pressurizing means or degassifying means |
104.28 | Including means to move heat exchange material |
104.32 | With pressurizing means or degassifying means |
104.33 | Cooling electrical device |
104.34 | Including means to move gaseous heat exchange material |
108 | RECIRCULATION |
109.1 | WITH AGITATING OR STIRRING STRUCTURE |
110 | WITH FIRST FLUID HOLDER OR COLLECTOR OPEN TO SECOND FLUID |
111 | Separate external discharge port for each fluid |
112 | With downstream pressure or temperature modifier |
114 | With baffle at inlet to less dense fluid discharge port |
115 | Trickler |
119 | WITH SOLIDS SEPARATOR FOR EXCHANGE FLUID |
120 | WITH IMPELLER OR CONVEYOR MOVING EXCHANGE MATERIAL |
128 | THERMOSYPHONIC FLUE TYPE |
129 | Heating or cooling means within distinct flue forming enclosure |
130 | Flue formed between facing second fluid containing conduits |
131 | Flues formed by vertical corrugations of heat transmitter |
132 | HEATING OR COOLING MEANS IN OPEN COMMUNICATION WITH RESERVOIR |
133 | WITH COATED, ROUGHENED OR POLISHED SURFACE |
134.1 | WITH PROTECTOR OR PROTECTIVE AGENT |
135 | WITH THERMAL OR ACOUSTICAL BLOCKER |
137 | CONVERTIBLE |
138 | COMBINED |
139 | INTERNALLY BRANCHED FLOW, EXTERNALLY PORTED |
140 | THREE NON-COMMUNICATING FLUIDS |
142 | SPUR TUBE PROJECTS INTO ENCLOSURE |
143 | PLURAL CASING-CONDUIT UNITS, LINE OR COMMON HEADER CONNECTED |
144 | LINE CONNECTED CONDUIT ASSEMBLIES |
146 | GRADATED HEAT TRANSFER STRUCTURE |
148 | RADIATOR CORE TYPE |
149 | With edge cover or frame means |
150 | Serially connected tube sections |
151 | Side-by-side tubes traversing fin means |
152 | Deformed sheet forms passages between side-by-side tube means |
154 | NON-COMMUNICATING COAXIAL ENCLOSURES |
157 | CASING OR TANK ENCLOSED CONDUIT ASSEMBLY |
158 | Manifold formed by casing section and tube sheet of assembly |
159 | With distinct flow director in casing |
162 | With support in casing |
163 | Conduit coiled within casing |
164 | FLOW PASSAGES FOR TWO CONFINED FLUIDS |
168 | CONDUIT WITHIN, OR CONFORMING TO, PANEL OR WALL STRUCTURE |
172 | SIDE-BY-SIDE TUBULAR STRUCTURES OR TUBE SECTIONS |
177 | TUBULAR STRUCTURE |
178 | With support or flow connector |
179 | Projecting internal and external heat transfer means |
180 | Diverse materials |
181 | With discrete heat transfer means |
185 | HEAT TRANSMITTER |
186 | MISCELLANEOUS |
CROSS-REFERENCE ART COLLECTIONS | ||
900 | COOLING TOWERS |
901 | HEAT SAVERS |
902 | HEAT STORAGE |
903 | CONVECTION |
904 | RADIATION |
905 | MATERIALS OF MANUFACTURE |
906 | REINFORCEMENT |
907 | POROUS |
908 | FLUID JETS |
909 | REGENERATION |
910 | TUBE PATTERN |
911 | VAPORIZATION |
912 | COMBINED OR CONVERTIBLE HEAT EXCHANGE MODES |
913 | CONDENSATION |
914 | FILMING |
915 | FOAMING |
916 | OIL COOLER |
917 | PRESSURIZATION AND/OR DEGASSIFICATION |
918 | HEATED AND COOLED FOOD CABINETS AND/OR TRAYS |
920 | PARTICULATE HEAT EXCHANGE |
921 | DEW POINT |
FOREIGN ART COLLECTIONS | ||
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived. | ||
FOR100 | PROCESS (165/1) |
FOR103 | TIME OR PROGRAM ACTUATOR (165/12) |
FOR104 | AUTOMATIC CONTROL (165/13) |
FOR105 | Heating and cooling (165/14) |
FOR106 | With cabin pressure control (165/15) |
FOR107 | With ventilation control (165/16) |
FOR108 | Defrosting (165/17) |
FOR109 | With control of heat storage (165/18) |
FOR110 | With gas and liquid contact fluid flow control (165/19) |
FOR112 | With humidity sensor controlling humidity (165/21) |
FOR113 | Correlation of plural zone controls and central system control (165/22) |
FOR114 | Responsive to vehicle body motion (165/23) |
FOR115 | With manual control (165/124) |
FOR117 | Single sensor controls both heating and cooling (165/26) |
FOR118 | Selective heating or cooling (165/27) |
FOR120 | Heat pump with supplemental heat (165/29) |
FOR121 | Opposed compensating heating and cooling (165/30) |
FOR122 | Pressure response or control (165/31) |
FOR123 | Temperature or pressure (165/32) |
FOR124 | With correlated manual actuation (165/33) |
FOR125 | Branched flow of exchanging fluid (165/34) |
FOR130 | Flow of one heat exchanging material controlled by the condition of another (165/39) |
FOR131 | Flow of heat exchanging material controlled by its own condition (165/40) |
DIGESTS | ||
DIG1 | WITH ALARM, INDICATOR, RECORDER, TEST, OR INSPECTION MEANS |
DIG2 | Energy, efficiency, performance or malfunction |
DIG3 | Remote control inspection means |
DIG4 | Sight glass |
DIG5 | Fluid level or amount |
DIG6 | Temperature |
DIG7 | Flow or valve position |
DIG8 | Leakage |
DIG9 | HAVING A SOLID HEAT STORAGE MASS FOR ABSORBING HEAT FROM ONE FLUID AND RELEASING IT TO ANOTHER (I.E. REGENERATOR) |
DIG10 | Cleaning storage mass |
DIG13 | Movable heat storage mass with enclosure |
DIG14 | Reciprocated linearly |
DIG15 | With pump |
DIG16 | Rotary storage mass |
DIG17 | With thermal expansion compensating means |
DIG18 | Having means controlling direction or rate of flow |
DIG20 | Seal and seal-engaging surface are relatively movable |
DIG21 | Seal engaging a face of cylindrical heat storage mass |
DIG24 | Circumferential seal |
DIG25 | Heat resistant material seal |
DIG26 | Seal attached to and rotating with storage mass |
DIG27 | With particular rotary bearing or drive means |
DIG29 | Cylindrical storage mass with axial flow passages |
DIG30 | Mass formed of modules arranged in three dimensional matrix ("Checkerwork") |
DIG31 | Gradated flow area, heat capacity or conductivity |
DIG32 | Having gas supply or exhaust manifold structure |
DIG35 | In casing |
DIG36 | Distinct passages formed in individual modules |
DIG37 | Having flow diverting means (e.g. valve) to selectively control flow through storage mass |
DIG38 | Correlated control of plural diverting means |
DIG39 | Synchronously rotated flow guiding hoods disposed on opposite sides of fixed regenerator |
DIG40 | Linearly movable diverting means |
DIG41 | Rotary diverting means |
DIG42 | Particular structure of heat storage mass |
DIG44 | HAVING FLEXIBLE HEAT EXCHANGE SURFACE CONFORMING TO A SOLID STRUCTURE (E.G., APPLICATOR, ETC.) |
DIG51 | HAVING EXPANSION AND CONTRACTION RELIEVING OR ABSORBING MEANS |
DIG52 | For cylindrical heat exchanger |
DIG53 | Flexible or movable header or header element |
DIG54 | Movable header (e.g., floating header, etc.) |
DIG57 | Flexing tubesheet |
DIG58 | Movable tubesheet (e.g., floating tubesheet, etc.) |
DIG60 | Expandable casing for cylindrical heat exchanger |
DIG63 | Cylindrical heat exchanger fixed to fixed end supports |
DIG67 | Cylindrical heat exchanger rectilinearly slidable relative to its support |
DIG69 | Pivotal support for cylindrical heat exchanger |
DIG70 | Resilient fluid seal |
DIG71 | Resilient fluid seal for plate-type heat exchanger |
DIG72 | AGITATOR OR IMPELLER MOTOR OPERATED BY FIRST HEAT EXCHANGE FLUID |
DIG76 | WITH SCRAPER FOR REMOVING PRODUCT FROM HEAT TRANSFER SURFACE |
DIG77 | Screw shaped scraper |
DIG78 | Linearly operated scraper |
DIG80 | Plural scrapers for spaced shelves or chambers |
DIG81 | Rotary heat exchange scraper or scraper for rotary heat exchange surface |
DIG82 | Grooved drum surface |
DIG83 | Scraper attached to or formed part of rotary heat exchange fluid surface |
DIG84 | Scraper within annular space formed by concentric cylinders or concentric conical surfaces |
DIG85 | Scraper for cleaning inner surface of rotary heat exchange surface |
DIG86 | Weight operated scraper |
DIG87 | Spring pressed scraper |
DIG88 | Adjustable scraper |
DIG89 | For scraping flat horizontal surface |
DIG90 | Scraper blade movable relative to scraper blade support (e.g., pivoting blade, rocking blade, etc.) |
DIG91 | For scraping wall of cylindrical heat exchanger |
DIG92 | WITH VALVE OR MOVABLE DEFLECTOR FOR HEAT EXCHANGE FLUID FLOW |
DIG93 | Adjustable radiator face covering means (e.g., adjustable shield for car radiator, heater core, etc.) |
DIG94 | Windowshade type (i.e. sheet feeds off roller) |
DIG95 | Rectilinear sliding movement of adjustable cover |
DIG96 | Pivotal movement of adjustable cover |
DIG100 | Flow direction reversed through heat exchanger |
DIG101 | For controlling supply of heat exchange fluid flowing between hydraulically independent heat exchange sections |
DIG102 | Hydraulically independent single-confined-fluid radiator sections for heating ambient air |
DIG104 | Hydraulically independent heat exchange sections connected in parallel |
DIG109 | With by-pass of heat exchanger or heat exchanger section |
DIG110 | Bypass within or surrounds heat exchanger |
DIG111 | Heat exchanger enclosing a fluid conduit confining second heat exchange fluid |
DIG113 | Bypass centrally located in heat exchanger |
DIG114 | Having perforated wall |
DIG115 | Surrounding by a helical flow channel |
DIG116 | Plural adjacent flow channel parallel to central bypass |
DIG118 | Serpentine heat exchange flow path |
DIG119 | Bypass controlled by pivotal damper |
DIG120 | U or serpentine heat exchange flow path |
DIG123 | Heat exchange flow path through heat exchanger altered (e.g., crossed, etc.) |
DIG126 | Total flow rate through heat exchanger controlled by valve |
DIG132 | WITH ADJUSTOR FOR HEAT FLOW |
DIG135 | MOVABLE HEAT EXCHANGER |
DIG136 | Movable belt or strip transfers heat to or from objects or material thereon |
DIG137 | Unconstrained movement (e.g., float, etc.) |
DIG138 | Partially rotable (e.g, rocking, pivoting, oscillation, tilting, etc.) |
DIG139 | Fully rotatable |
DIG140 | Rotating heat exchanger having rotating flow confining structures or chambers for two separate heat exchange fluids |
DIG141 | Concentric flow confining structures or chambers |
DIG143 | Discrete tubing having length extending along a longitudinal axis of rotating heat exchanger |
DIG145 | Radially extending hollow arm on rotating shaft traverses furnance shelf (e.g., rabble arm, etc.) |
DIG147 | Fluid impeller or material advancer |
DIG152 | Rotating agitator |
DIG153 | Flow space or fluid chamber defined between two relatively movable, closely spaced coextensive surfaces |
DIG154 | Hollow tubing rotates in vessel to stir contents |
DIG156 | Hollow cylindrical member (e.g., drum, etc.) |
DIG162 | ONLY DIRECT-CONTACT HEAT EXCHANGE BETWEEN TWO SEPARATELY SUPPLIED FLUIDS |
DIG163 | INCLUDING A MEANS TO FORM FLUID FILM ON HEAT TRANSFER SURFACE (E.G., TRICKLE) |
DIG164 | Film flow constrained to spiral path |
DIG165 | Film formed on spirally coiled member |
DIG166 | Vertically spaced pipe sections contact liquid in underlying troughs |
DIG167 | Liquid film flows sequentially along upper surfaces of vertically spaced trays (i.e. shelf-to-shelf) |
DIG168 | Film formed on interior surface of container or pipe |
DIG171 | Including means at top end of vertical pipe to distribute liquid film on pipe exterior |
DIG172 | Film flows along exterior of plural pipe sections |
DIG173 | Pipe exterior surfaces about to form continuous surface |
DIG174 | Intervening members extend between spaced pipe sections to form continuous surface |
DIG175 | Horizontally extending, parallel sections disposed in vertical array (i.e. one pipe directly above another) |
DIG177 | Film flows along upper surface of tray |
DIG182 | INDIRECT-CONTACT COOLING TOWER |
DIG183 | INDIRECT-CONTACT EVAPORATOR |
DIG184 | INDIRECT-CONTACT CONDENSER |
DIG185 | Having stacked plates forming flow channel therebetween |
DIG187 | Having pump downstream of condenser |
DIG192 | Including means to heat collected condensate |
DIG193 | First-stage condenser serially connected to second-stage condenser |
DIG195 | Including condensate collecting tray connected to condensate drain conduit to divert condensate around a section of heat transfer surface |
DIG196 | Baffle defines flow passage within header for condensate to bypass portion of vapor flow path |
DIG197 | Including means for (removing) condensate (from vapor flow path) to bypass portion of vapor flow path |
DIG198 | Condensate guiding means attached to heat transfer surface |
DIG199 | Heat transfer tube surrounds by jacket condensate guiding means |
DIG200 | Condensate guiding means forms inside heat transfer tube |
DIG201 | Including fin member associated with condensate guiding means |
DIG202 | Vapor flow passage between vapor inlet and outlet has decreasing cross- sectional area |
DIG204 | Including a direct-contact heat exchange chamber |
DIG205 | Space for condensable vapor surrounds space for coolant |
DIG206 | Including coiled heat exchange tube |
DIG207 | Distinct outlets for separated condensate and gas |
DIG208 | Including vapor guide plate extending across vapor inlet |
DIG209 | Including tube banks arranged in undulating pattern (e.g., w shape) |
DIG210 | Including perforated baffle completely surrounding a group of coolant tube |
DIG211 | Including concave member adjacent to vapor outlet and partially covering a group of coolant tubes |
DIG212 | Including inclined flat condensate guiding means |
DIG213 | Including baffle partially covering a group of coolant tubes |
DIG214 | Including baffle structure for reversing flow direction of vapor |
DIG215 | Having longitudinal partition extending parallel to longitudinal axis of coolant tube |
DIG216 | Having partition transverse to longitudinal axis of coolant tube |
DIG217 | Space for coolant surrounds space for vapor |
DIG224 | INCLUDING A MEANS TO FORM A FLUID JET |
DIG225 | WITH SOLID CONVEYOR |
DIG228 | WITH FAN OR PUMP |
DIG229 | Screw conveyor in pipe or tank |
DIG300 | Injector-type pump |
DIG302 | Rotary gas pump |
DIG303 | Annular heat exchanger |
DIG307 | Including plural impellers |
DIG310 | Heat exchanger located at housing inlet or outlet |
DIG311 | Including particular flow deflector (e.g., shroud, diffuser, etc.) |
DIG314 | Radial impeller |
DIG316 | Axial impeller located at heat-exchange housing inlet |
DIG317 | Axial impeller located at heat-exchange housing outlet |
DIG318 | WITH DRIVEN AGITATOR |
DIG319 | Linearly moving agitator |
DIG320 | Fully rotary agitator |
DIG321 | Generating toroidal flow |
DIG322 | Including heat exchange jacket-walls |
DIG323 | Heating or cooling coil disposed between jacket-walls |
DIG324 | Agitator having blade sections mounted along rotating shaft |
DIG325 | Blade sections mounted along rotating shaft |
DIG326 | Agitator and heating or cooling coil disposed in same housing |
DIG327 | THERMOSYPHONIC HAVING VERTICAL AIR DRAFT PASSAGE |
DIG328 | Air draft passage confined entirely or in part by fin structure |
DIG329 | Corrugated fin attached to heat transfer surface |
DIG330 | Air draft passage is parallel to flow direction of heating or cooling means |
DIG331 | Air draft passage confined entirely by heat transfer surface |
DIG332 | Coaxial ducts define air draft passage and annular passage for heat exchange fluid |
DIG335 | Plural air draft passages enclosed by casing |
DIG337 | Heating or cooling means entirely surrounded by air draft passage forming casing |
DIG342 | TANK WITH HEAT EXCHANGER |
DIG343 | Heat exchanger forms all or portion of tank |
DIG347 | Heat exchanger forms cover for tank |
DIG348 | Heat exchanger within tank |
DIG349 | Supported by cover for tank |
DIG350 | Tubing removably coupled to inlet and outlet at tank wall |
DIG351 | Spaced from tank wall |
DIG352 | Flow directing baffle associated with heat exchanger tubing |
DIG353 | Tube coil bonded directly to tank exterior |
DIG354 | Heat exchanger serially connected to tank |
DIG355 | HAVING SEPARATE FLOW PASSAGE FOR TWO DISTINCT FLUIDS |
DIG356 | Plural plates forming a stack providing flow passages therein |
DIG357 | Forming annular heat exchanger |
DIG359 | Including means for modifying thermal stress in heat exchange plate |
DIG360 | Stacked plates having plurality of perforations |
DIG361 | Circular flow passages between plates |
DIG362 | Heat exchange liquids separated by double walls |
DIG363 | Slotted plates forming grid |
DIG364 | With fluid traversing passages formed through the plate |
DIG365 | Including peripheral seal element forming flow channel bounded by seal and heat exchange plates |
DIG366 | Rigid or semi-rigid peripheral seal frame |
DIG367 | Peripheral seal element between corrugated heat exchange plates |
DIG369 | Including seal to plate attachment means |
DIG370 | Unitary heat exchange plate and projecting edge |
DIG371 | Including mating flanges around fluid traversing passage |
DIG372 | Adjacent heat exchange plates having joined bent edge flanges for forming flow channels therebetween |
DIG373 | Adjacent heat exchange plates having joined bent edge flanges for forming flow channels therebetween |
DIG374 | Liquid to air heat exchanger having liquid passage formed by joined sheets |
DIG375 | Transverse air tubes |
DIG376 | Air passages defined by spacing projections of sheets |
DIG379 | Including corrugated air fin passages between adjacent liquid passages |
DIG382 | Overlapping flanges |
DIG383 | Interlocking flanges |
DIG384 | Thermally bonded side edges |
DIG385 | Bent sheet forming a single tube |
DIG387 | Including side-edge seal or edge spacer bar |
DIG388 | Including spacer bar transverse to plate stack |
DIG389 | Flow enhancer integral with side-edge seal or edge spacer bar |
DIG390 | Flange element to connect two adjacent heat exchange plates |
DIG391 | Including intermediate corrugated element |
DIG392 | Unitary heat exchange plate and projecting edge |
DIG393 | Including additional element between heat exchange plates |
DIG395 | Monolithic core having flow passages for two different fluids (e.g., one- piece ceramic, etc.) |
DIG398 | Spirally bent heat exchange plate |
DIG399 | Corrugated heat exchange plate |
DIG400 | Shell enclosed conduit assembly |
DIG401 | Including tube support or shell-side flow director |
DIG402 | Manifold for shell-side fluid |
DIG403 | Preheater for shell-side fluid for preventing thermal shock to tube sheet |
DIG404 | Serially connected separate shells |
DIG405 | Extending in a longitudinal direction |
DIG406 | Helically or spirally shaped |
DIG407 | Internal casing or tube sleeve |
DIG411 | Connecting to shell by specific structure |
DIG412 | Including transverse element (e.g., fin, baffle, etc.) |
DIG413 | For directing flow along the length of tube |
DIG414 | For supporting coil tubes |
DIG415 | Including perforations |
DIG416 | Extending transverse of shell (e.g., fin, baffle, etc.) |
DIG427 | Manifold for tube-side fluid (i.e., parallel) |
DIG428 | Including flow director in manifold |
DIG429 | Line-connected conduit assemblies |
DIG430 | Manifolds connected in parallel (e.g., Multi-stage, etc.) |
DIG431 | Manifolds connected in series |
DIG432 | Including a tube sheet |
DIG435 | Plural bonded conduit end portions (i.e., tubesheet not needed) |
DIG436 | Bent conduit assemblies |
DIG439 | Serially connected conduit assemblies (i.e., no manifold) |
DIG440 | Coiled conduit assemblies |
DIG442 | Conduits |
DIG443 | Adjacent conduits with transverse air passages (e.g., radiator core type, etc.) |
DIG444 | Including transversely stacked fin sheets |
DIG445 | Including transverse corrugated fin sheets |
DIG446 | Including intermediate sheet between adjacent tubes forming air fin passages |
DIG448 | Air conduits (e.g., radiator core type, etc.) |
DIG449 | Vertically stacked conduits |
DIG451 | Including bent conduits |
DIG452 | Including fins |
DIG453 | Plural elements arranged to form a fluid passage |
DIG454 | HAVING SIDE-BY-SIDE CONDUITS STRUCTURE OR CONDUIT SECTION |
DIG455 | Readily detachable tubes having ends with distinct fluid coupling members engaging corresponding coupling members on manifold |
DIG456 | Readily and independently detachable sections |
DIG458 | Self-contained sections hydraulically connected in series |
DIG459 | Strips with shaped, interfitted edges form heat exchanger core with plural passages |
DIG461 | Plate fins formed with tubular projections which join with projections of adjacent plates to form parallel conduits |
DIG464 | Conduits formed by joined pairs of matched plates |
DIG465 | Manifold space formed in end portions of plates |
DIG467 | With turbulence enhancing pattern embossed on joined plates |
DIG468 | Core formed by stack tubular members with abutting edges |
DIG469 | Reinforcing rod or strip extends across parallel fin edges |
DIG470 | Tensioning member within manifold |
DIG471 | Plural parallel conduits joined by manifold |
DIG472 | U-shaped conduits connected to side-by-side manifolds |
DIG473 | With clamping member at joint between header plate and header tank |
DIG476 | Fusion joint (e.g., solder, braze) between tube plate and header tank |
DIG477 | Elastic seal element between conduit ends and receiving holes in header plate |
DIG478 | Separate means employed for mechanical attachment and hydraulic seal of conduit ends to header plate |
DIG479 | Tubes joined to tube plate with adhesive (e.g., glue or braze compound) |
DIG480 | Elongated support members extending between spaced manifolds |
DIG481 | Partitions in manifold define serial flow pattern for conduits/conduit groups |
DIG483 | Flow deflecting/retarding means in header for even distribution of fluid to plural tubes |
DIG485 | Unitary ("one-piece") header structure |
DIG486 | Corrugated fins disposed between adjacent conduits |
DIG488 | Header is rounded in cross section (e.g., circular, oval) |
DIG489 | Two piece header structure |
DIG490 | Noncircular tube cross section (oval, triangular, etc.) |
DIG491 | Manifolds formed in core-enclosing frame |
DIG492 | Plural conduits with ends connected to tube plate |
DIG493 | Welded or fused joint between conduit end and plate |
DIG494 | Conduit end deformed (e.g., expanded) to affix to plate |
DIG495 | Single unitary conduit structure bent to form flow path with side-by-side sections |
DIG499 | With parallel tubes or tube sections having ends joined to opposed frame members |
DIG500 | Side-by-side conduits with fins |
DIG501 | Plate fins penetrated by plural conduits |
DIG505 | Corrugated strips disposed between adjacent conduits |
DIG506 | Side-by-side conduits with means (e.g., support grid) holding them in spaced relation |
DIG507 | Straight side-by-side conduits joined for flow of one fluid |
DIG510 | HAVING HEAT EXCHANGE SURFACE TREATMENT, ADJUNCT OR ENHANCEMENT |
DIG511 | Polished heat transfer surface |
DIG512 | Coated heat transfer surface |
DIG515 | Patterned surface (e.g., knurled, grooved) |
DIG517 | Roughened surface |
DIG518 | Conduit with discrete fin structure |
DIG519 | porous or mesh |
DIG520 | Internal and external |
DIG522 | Transverse fins spaced along conduit |
DIG524 | Longitudinally extending |
DIG528 | Fin and conduit of diverse materials |
DIG529 | With structure for promoting turbulence and/or breaking up laminar flow adjacent heat transfer surface |
DIG531 | With wicking structure |
DIG532 | HEAT EXCHANGE CONDUIT STRUCTURE |
DIG533 | Composite of diverse materials |
DIG535 | Helically formed |
DIG536 | Noncircular cross-section |
DIG538 | With particular flow connecting structure |
DIG539 | HAVING A HEAT STORAGE MASS |
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