ClassID:

137131

F01K25/10 - page 2 - CPC Classification

Classification description:

Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether

Recent Application in this class:
#301
20110308252
2011-12-22

Turbine inlet condition controlled organic rankine cycle

#302
20110308250
2011-12-22

Method and Apparatus for Combining a Heat Pump Cycle With A Power Cycle

#303
20110305556
2011-12-15

Methods and systems for variable geometry inlets nozzles for use in turboexpanders

#304
20110296849
2011-12-08

Integrated power, cooling, and heating apparatus utilizing waste heat recovery

#305
20110289922
2011-12-01

Generating energy from fluid expansion

#306
20110277476
2011-11-17

Low Temperature High Efficiency Condensing Heat Engine for Propelling Road Vehicles

#307
20110259011
2011-10-27

Heat conversion system simultaneously utilizing two separate heat source stream and method for making and using same

#308
20110219802
2011-09-15

SORPTION SYSTEMS HAVING IMPROVED CYCLE TIMES

#309
20110219770
2011-09-15

Methods of utilizing waste heat for creating a pressurized working fluid

#310
20110209478
2011-09-01

Method of power generation by waste combustion and waste combustion system

#311
20110209474
2011-09-01

Solar thermal power generation using multiple working fluids in a rankine cycle

#312
20110204655
2011-08-25

Energy storage systems

#313
20110203289
2011-08-25

Power generation system incorporating multiple Rankine cycles

#314
20110203278
2011-08-25

Auto optimizing control system for organic rankine cycle plants

#315
20110192164
2011-08-11

RANKINE ENGINE WITH EFFICIENT HEAT EXCHANGE SYSTEM

#316
20110192163
2011-08-11

Waste heat recovery system of internal combustion engine

#317
20110185734
2011-08-04

System and method for equilibrating an organic rankine cycle

#318
20110185727
2011-08-04

Power systems designed for the utilization of heat generated by solar-thermal collectors and methods for making and using same

#319
20110173981
2011-07-21

UTILIZATION OF LOW GRADE HEAT IN A REFRIGERATION CYCLE

#320
20110169277
2011-07-14

Engine

#321
20110167826
2011-07-14

Vapor power cycle apparatus

#322
20110167818
2011-07-14

Exhaust heat recovery system

#323
20110162398
2011-07-07

REFRIGERANT POWERED VALVE FOR A GEOTHERMAL POWER PLANT

#324
20110162367
2011-07-07

WASTE HEAT RECOVERY TURBINE SYSTEM

#325
20110138809
2011-06-16

Operating a sub-sea organic Rankine cycle (ORC) system using individual pressure vessels

#326
20110120129
2011-05-26

Direct evaporator apparatus and energy recovery system

#327
20110115445
2011-05-19

Power system

#328
20110101119
2011-05-05

HEATING SYSTEM PRODUCING ELECTRICITY

#329
20110072820
2011-03-31

Heat engine and method for operating the same

#330
20110072818
2011-03-31

Waste heat recovery system

#331
20110067400
2011-03-24

Direct contact heat exchanger and methods for making and using same

#332
20110062711
2011-03-17

Organic rankine cycle (ORC) turbo generator for prevention of penetration of working fluid

#333
20110061388
2011-03-17

DIRECT EVAPORATOR APPARATUS AND ENERGY RECOVERY SYSTEM

#334
20110061385
2011-03-17

Methods and systems for generating power from a turbine using pressurized nitrogen

#335
20110051880
2011-03-03

High Efficiency Power Plants

#336
20110048014
2011-03-03

Combination power generating system

#337
20110048012
2011-03-03

Energy recovery system and method using an organic rankine cycle with condenser pressure regulation

#338
20110048002
2011-03-03

Turbine exhaust recirculation

#339
20110041506
2011-02-24

Adiabatic expansion heat engine and method of operating

#340
20110036091
2011-02-17

Thermodynamic power generation system

#341
20110030552
2011-02-10

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#342
20110030359
2011-02-10

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#343
20110023977
2011-02-03

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#344
20110023488
2011-02-03

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#345
20110016863
2011-01-27

Energy recovery system using an organic rankine cycle

#346
20110011089
2011-01-20

Working-fluid power system for low-temperature rankine cycles

#347
20110005237
2011-01-13

OIL REMOVAL FROM A TURBINE OF AN ORGANIC RANKINE CYCLE (ORC) SYSTEM

#348
20110000552
2011-01-06

Dynamic leak control for system with working fluid

#349
20110000407
2011-01-06

Waste oil electrical generation systems

#350
20100329903
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#351
20100327606
2010-12-30

Energy Generation Systems and Processes

#352
20100327605
2010-12-30

Power generation systems, processes for generating energy at an industrial mine site, water heating systems, and processes of heating water

#353
20100326076
2010-12-30

OPTIMIZED SYSTEM FOR RECOVERING WASTE HEAT

#354
20100326075
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#355
20100319346
2010-12-23

SYSTEM FOR RECOVERING WASTE HEAT

#356
20100313558
2010-12-16

Method of externally modifying a Carnot engine cycle

#357
20100307169
2010-12-09

TRIGENERATION SYSTEM AND METHOD

#358
20100300093
2010-12-02

High-temperature dual-source organic Rankine cycle with gas separations

#359
20100282452
2010-11-11

Device for the exchange of heat and motor vehicle

#360
20100280207
2010-11-04

Method for optimizing energy efficiency in a polymerization process

#361
20100263379
2010-10-21

External combustion engine and method of converting internal combustion engine thereto

#362
20100251729
2010-10-07

Power generation system incorporating multiple Rankine cycles

#363
20100243016
2010-09-30

THERMOELECTRIC POWER GENERATING DEVICE AND POWER GENERATING SYSTEM USING SAID THERMOELECTRIC POWER GENERATING DEVICE

#364
20100242476
2010-09-30

COMBINED HEAT AND POWER CYCLE SYSTEM

#365
20100242474
2010-09-30

Multi-heat source power plant

#366
20100212316
2010-08-26

Thermodynamic power generation system

#367
20100205966
2010-08-19

Method and apparatus for starting a refrigerant system without preheating the oil

#368
20100205959
2010-08-19

Waste heat utilization device for internal combustion engine

#369
20100187319
2010-07-29

RANKINE CYCLE POWER PLANT HEAT SOURCE CONTROL

#370
20100186410
2010-07-29

Oil recovery from an evaporator of an organic rankine cycle (ORC) system

#371
20100186409
2010-07-29

RANKINE CYCLE WITH MULTIPLE CONFIGURATION OF VORTEX

#372
20100156110
2010-06-24

Method and device for converting thermal energy into electricity, high potential heat and cold

#373
20100154421
2010-06-24

RANKINE SYSTEM WITH GRAVITY-DRIVEN PUMP

#374
20100154419
2010-06-24

ABSORPTION POWER CYCLE SYSTEM

#375
20100146963
2010-06-17

Engine

#376
20100122533
2010-05-20

Method and system for converting waste heat from cement plant into a usable form of energy

#377
20100101224
2010-04-29

Waste heat utilization device for internal combustion engine

#378
20100095674
2010-04-22

Vapor powered engine/electric generator

#379
20100077750
2010-04-01

Atmospheric temperature difference power generator

#380
20100031652
2010-02-11

Deep sea geothermal energy system

#381
20100018207
2010-01-28

Controlled organic rankine cycle system for recovery and conversion of thermal energy

#382
20100005801
2010-01-14

Ambient temperature thermal energy and constant pressure cryogenic engine

#383
20090320477
2009-12-31

Supplementary thermal energy transfer in thermal energy recovery systems

#384
20090320476
2009-12-31

CRYOGENIC ENGINES

#385
20090308073
2009-12-17

OXYGEN ENHANCED COMBUSTION IN INDUSTRIAL PROCESSES

#386
20090301087
2009-12-10

System and method for producing power from thermal energy stored in a fluid produced during heavy oil extraction

#387
20090293516
2009-12-03

Method and Apparatus

#388
20090293479
2009-12-03

Thermodynamic cycle with power unit and venturi and a method of producing a useful effect therewith

#389
20090293478
2009-12-03

Condenser and steam turbine power plant

#390
20090223223
2009-09-10

External combustion engine

#391
20090223216
2009-09-10

External combustion engine

#392
20090217666
2009-09-03

Rankine engine with efficient heat exchange system

#393
20090211249
2009-08-27

INSTALLATION FOR GENERATING ELECTRICAL ENERGY FROM SOLAR ENERGY

#394
20090211242
2009-08-27

Engines Driven by Liquefied Gas

#395
20090211223
2009-08-27

HIGH EFFICIENT HEAT ENGINE PROCESS USING EITHER WATER OR LIQUEFIED GASES FOR ITS WORKING FLUID AT LOWER TEMPERATURES

#396
20090205335
2009-08-20

DOMESTIC ENERGY SUPPLY SYSTEM

#397
20090179429
2009-07-16

Efficient low temperature thermal energy storage

#398
20090165456
2009-07-02

Heat cycle system and composite heat cycle electric power generation system

#399
20090151356
2009-06-18

System and method for controlling an expansion system

#400
20090139512
2009-06-04

Solar Line Boiler Roof

#401
20090139232
2009-06-04

Ambient Temperature Energy Generating System

#402
20090139227
2009-06-04

Rotary heat engine

#403
20090126923
2009-05-21

Closed loop energy production from geothermal reservoirs

#404
20090126381
2009-05-21

TRIGENERATION SYSTEM AND METHOD

#405
20090120618
2009-05-14

COOLING APPARATUS FOR A COMPUTER SYSTEM

#406
20090120092
2009-05-14

SINGLE LOOP HEAT PUMP GENERATOR

#407
20090107144
2009-04-30

Method and system for generating power from a heat source

#408
20090077970
2009-03-26

Electricity generation system based on nitrogen

#409
20090044535
2009-02-19

EFFICIENT VAPOR (STEAM) ENGINE/PUMP IN A CLOSED SYSTEM USED AT LOW TEMPERATURES AS A BETTER STIRLING HEAT ENGINE/REFRIGERATOR

#410
20090044529
2009-02-19

Power cycle generator

#411
20080314077
2008-12-25

Cooler For Transformer Using Generation Cycle

#412
20080250789
2008-10-16

Fluid flow in a fluid expansion system

#413
20080223044
2008-09-18

Injection Apparatus for Cryogenic Engines

#414
20080216479
2008-09-11

Closed loop expandable gas circuit for power generation

#415
20080196412
2008-08-21

Engine

#416
20080148754
2008-06-26

Cryogenic cooling system with energy regeneration

#417
20080134662
2008-06-12

Fluid coupled heat to motion converter (a form of heat engine) FCHTMC

#418
20080127657
2008-06-05

Power generation system driven by heat pump

#419
20080092542
2008-04-24

Graham Power, a new method of generating power

#420
20080053095
2008-03-06

Power system and apparatus utilizing intermediate temperature waste heat

#421
20080022684
2008-01-31

Segmented heat exchanger

#422
20070177969
2007-08-02

Method of power generation from pressure control stations of a natural gas distribution system

#423
20070163261
2007-07-19

Dual thermodynamic cycle cryogenically fueled systems

#424
20070157659
2007-07-12

Multi-stage refrigerant turbine

#425
20070144195
2007-06-28

Method and apparatus for combining a heat pump cycle with a power cycle

#426
20070137202
2007-06-21

System and method for in-line geothermal and hydroelectric generation

#427
20060272329
2006-12-07

Universal thermodynamic gas turbine in a closed Carnot cycle

#428
20060236699
2006-10-26

LNG-based power and regasification system

#429
20060123789
2006-06-15

Dynamic heat sink engine

#430
20060112693
2006-06-01

Method and apparatus for power generation using waste heat

#431
20050193734
2005-09-08

Fluid machine

#432
20050056018
2005-03-17

Seal and valve systems and methods for use in expanders and compressors of energy conversion systems

#433
19343123
2026-04-28

Thermal power plant with a gas turbine, a hot-air turbine and a heat exchanger for transferring heat from the gas turbine to the hot-air turbine

#434
18500413
2024-08-27

Coupled orc heat pump electric generator system

#435
17819706
2023-12-19

Auxiliary power generation and cooling systems on liquid hydrogen fueled aircraft

#436
14658617
2016-07-19

Apparatus, system, and methods for mechanical energy regeneration

#437
13898594
2017-05-16

System and method for capacitive heat to electrical energy conversion