Patents for F01B 21 - Combinations of two or more machines or engines (337)
09/2011
09/15/2011US20110219810 Gas balanced cryogenic expansion engine
09/15/2011US20110219772 Hybrid drive system
09/14/2011CN102182516A Mechanical power energy source supplying mutually
09/06/2011DE202009018013U1 Der Betriebsmotor veränderlicher Medien unter Druck auf die Arbeitskolbenfläche The operation of motor variable media under pressure on the working piston surface
07/2011
07/07/2011WO2011082300A1 Power augmentation system for an engine powered air vehicle
06/2011
06/23/2011WO2011012223A4 Drive device of a motor vehicle and method for operation of a drive device
06/14/2011US7958732 Internal detonation reciprocating engine
05/2011
05/31/2011US7950358 Eight-stroke engine with coordination pressure management system
05/11/2011CN102052089A Liquefied air motor
05/05/2011US20110100013 Pumping loss reduction systems and methods
04/2011
04/21/2011WO2011012223A3 Drive device of a motor vehicle and method for operation of a drive device
04/14/2011WO2011021005A3 Internal combustion engines
04/07/2011DE102008016556B4 Vakuummotor Vacuum motor
04/06/2011CN102007271A Internal combustion engine
03/2011
03/24/2011WO2011008321A3 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange
02/2011
02/10/2011US20110034282 Power plant
01/2011
01/20/2011WO2011008321A2 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange
12/2010
12/15/2010CN101918679A Heat engine
12/08/2010EP2257692A1 Internal combustion engines
12/02/2010DE112008002967T5 Hybridmotor Hybrid Engine
11/2010
11/25/2010US20100293951 Hybrid Electric Power Motor, System, and Vehicle
11/11/2010US20100281867 Method and apparatus for recovering energy from driving engines
10/2010
10/20/2010EP2240670A1 Internal combustion engines
10/13/2010EP2238318A2 Heat engine
10/06/2010CN201599064U 一种柱塞式液压同步马达 One kind of piston hydraulic synchronous motors
10/05/2010US7806102 Variable coordination volume type eight-stroke engine
10/05/2010US7806101 Two-stage-coordination type eight-stroke engine
09/2010
09/14/2010US7793502 Apparatus and method for liquefied natural gas carrier propulsion
08/2010
08/31/2010US7784281 Multi-cylinder engine fuel control method, engine fuel injection amount control method and engine operation state discrimination method using the same, propulsion apparatus for multiple engines, and fuel injection control method during crash astern in marine engine with reduction and reversal device
08/19/2010WO2010094012A1 Photovoltaic power plant output
08/05/2010WO2009082773A3 Heat engine
07/2010
07/22/2010US20100180596 Method and system for autonomous load sharing
07/01/2010US20100164234 Gas turbine engine
06/2010
06/17/2010WO2010012731A3 Heat engine such as a combustion and/or steam engine
06/17/2010US20100146975 Electric-steam propulsion system
06/16/2010CN101737085A Steam power generator and complete set of equipment
06/01/2010US7726130 Stirling-electric hybrid automobile
05/2010
05/27/2010US20100126142 Internal combustion engine exhaust gas control system and control method of internal combustion engine exhaust gas control system
03/2010
03/25/2010US20100071371 Power regulating device for an aircraft
03/18/2010US20100064689 Aircraft
03/16/2010US7677043 Steam powered hybrid vehicle
02/2010
02/25/2010US20100044130 Method of Controlling an Overrun Operation of a Motor Vehicle, a Control Device for Implementing the Method, and a Corresponding Motor Vehicle
02/23/2010US7665429 Swirl-injection type eight-stroke engine
01/2010
01/28/2010US20100018480 Two-stage-coordination type eight-stroke engine
01/28/2010US20100018479 Eight-stroke engine with coordination pressure management system
01/28/2010US20100018187 Internal combustion engine control device
01/21/2010US20100013242 Aircraft combination engines plural airflow conveyances system
01/21/2010US20100012082 Swirl-injection type eight-stroke engine
01/21/2010US20100012058 Variable coordination volume type eight-stroke engine
10/2009
10/28/2009CN101566080A Compound engine of steamer generating heat through friction in start-up of various prime movers
10/27/2009US7607371 Split serial-parallel hybrid dual-power drive system
10/15/2009DE102008016556A1 Vacuum motor for use as toy motor, has center piece hard-soldered with cylinder barrels, and two-way suction valve mounted between two successively coupled pistons, so that valve is switched by proper motion of pistons
10/13/2009US7600381 Electric hybrid powertrain system having a magnetorheological fluid clutch
09/2009
09/10/2009US20090223210 System and method for auxilary power unit emissions management
08/2009
08/20/2009WO2009101421A1 Internal combustion engines
08/20/2009WO2009101420A1 Internal combustion engines
08/20/2009CA2715244A1 Internal combustion engines
08/13/2009US20090199560 Control system for cold start emissions reduction in hybrid vehicles
08/06/2009US20090193807 Dynamic combustion chamber
06/2009
06/16/2009US7546733 Method for controlling operation of cylinder apparatus
05/2009
05/07/2009WO2009055928A1 Hybrid engine
05/07/2009CA2704263A1 Hybrid engine
03/2009
03/18/2009EP2035679A1 A stirling engine assembly
02/2009
02/11/2009CN101363325A Heat exchanging expansion machine
01/2009
01/27/2009CA2464562C Method and apparatus for an automotive power generating system
11/2008
11/25/2008US7455279 Hydraulic control valve with integrated dual actuators
11/18/2008CA2304046C Clean air engines for transportation and other power applications
10/2008
10/30/2008US20080267785 Drill rig apparatuses with directly driven shaft & drilling fluid pump systems
10/15/2008EP1490587B1 Engine system
08/2008
08/28/2008US20080202486 Hybrid Cycle Combustion Engine and Methods
08/20/2008CN100412346C Thermohydrodynamic power amplifier
07/2008
07/30/2008CN100406697C Internal-combustion engine with main and auxiliary strokes
07/15/2008US7398841 Vehicle power assist by brake, shock, solar, and wind energy recovery
01/2008
01/16/2008EP1040252B1 Clean air engines for transportation and other power applications
01/03/2008WO2008001103A1 A stirling engine assembly
11/2007
11/28/2007CN101080592A Hydraulic control valve with integrated dual actuators
11/22/2007US20070266711 Method for Operating a Vehicle Drive and Device for Carrying Out Said Method
11/01/2007US20070255459 Method and apparatus for operation of a power station
10/2007
10/24/2007CN101059079A Combined air compressing engine
08/2007
08/29/2007EP1825178A2 Hydraulic control valve with integrated dual actuators
06/2007
06/14/2007US20070130950 Auxiliary power system for a motor vehicle
05/2007
05/17/2007US20070107433 Hybrid electric steam turbine automotive engine
04/2007
04/24/2007US7207177 Position control device for an electrical-fluid power drive and a method of positioning
04/19/2007US20070084208 Hybrid Generation with Alternative Fuel Sources
03/2007
03/29/2007WO2006137056A3 Hydraulic control valve with integrated dual actuators
03/29/2007US20070068162 Control system and control method for cogeneration system
12/2006
12/28/2006CA2586118A1 Hydraulic control valve with integrated dual actuators
11/2006
11/30/2006US20060266044 Alternator boost method
11/14/2006US7134285 Adiabatic power generating system
10/2006
10/19/2006US20060231306 Hybrid vehicles
10/19/2006US20060231304 Hybrid vehicles
10/11/2006EP1709296A2 Haybrid cycle combustion engine and methods
09/2006
09/28/2006US20060213366 Piston-cylinder unit with a protective sleeve
09/26/2006US7111834 Swing-arm clamp
09/13/2006EP1367218B1 Expansion machine
08/2006
08/24/2006WO2006088625A1 Electric hybrid powertrain system having a magnetorheological fluid clutch
08/17/2006US20060179844 Elecrtric hybrid powertrain system having a magnetorheological fluid clutch
08/10/2006US20060174624 Hydrogen fuelled hybrid powertrain and vehicle
08/01/2006US7083402 Rotating fluid machine
06/2006
06/20/2006US7062916 Power output apparatus and control method of the same
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