Patents
Patents for F01B 29 - Machines or engines with pertinent characteristics other than those provided for in main groups (1,501)
07/1999
07/07/1999EP0927108A1 Supercharger installation for supplying high pressure compressed air for cleansed or pollution abating engine
07/07/1999EP0774062B1 A heat engine and heat pump
06/1999
06/29/1999US5916140 Hydraulic engine powered by introduction and removal of heat from a working fluid
06/09/1999EP0920573A1 High-pressure steam engine
06/09/1999EP0920572A1 Thermal hydraulic engine
05/1999
05/27/1999WO1999025956A1 Method for operating a steam engine by injecting water into a heated working area
05/20/1999DE19750360A1 Water-injection steam engine operating process
05/04/1999US5899067 Hydraulic engine powered by introduction and removal of heat from a working fluid
02/1999
02/10/1999EP0896140A1 Steam engine with integrated condensation
12/1998
12/24/1998DE19725646A1 Zylinderkolbeneinheit, insbesondere für Dampfkraftmaschinen Cylinder-piston unit, especially for steam engines
12/23/1998WO1998058161A1 Cylinder piston unit, especially for steam engines
12/16/1998CN2300727Y Gear rotator rotary steam engine
12/10/1998WO1998055734A1 High-pressure steam engine
12/10/1998DE19723748A1 Hochdruckdampfmotor High pressure steam engine
10/1998
10/14/1998EP0870923A1 Electromagnetic piston engine
09/1998
09/22/1998US5809784 Method and apparatus for converting radiation power into mechanical power
09/08/1998US5803022 Combustion and steam engine system and methods
06/1998
06/11/1998WO1998025008A1 A high efficiency dual shell stirling engine
05/1998
05/06/1998CN1180782A Flywheel type engine
04/1998
04/22/1998EP0837248A2 Fluid pressure cylinder
04/16/1998WO1998015440A1 Method and device for re-accelerating a vehicle equipped with a high-pressure compressor
04/16/1998CA2267259A1 Method and device for re-accelerating a vehicle equipped with a high-pressure compressor
03/1998
03/26/1998WO1998012062A1 Supercharger installation for supplying high pressure compressed air for cleansed or pollution abating engine
03/26/1998CA2266120A1 Supercharger installation for supplying high pressure compressed air for cleansed or pollution abating engine
02/1998
02/26/1998WO1998007962A1 Thermal hydraulic engine
11/1997
11/26/1997EP0793773A4 Ion electromagnetic engine
11/12/1997EP0783618A4 Centering system with one way valve for free piston machine
09/1997
09/10/1997EP0793773A1 Ion electromagnetic engine
09/02/1997US5662023 Replaceable cylinder piston assembly for a lubricator pump
07/1997
07/24/1997DE19528900A1 Reciprocating piston steam engine operating method
07/23/1997EP0767865A4 Free piston end position limiter
07/16/1997EP0783618A1 Centering system with one way valve for free piston machine
07/03/1997WO1997023728A1 Electromagnetic piston engine
06/1997
06/19/1997DE19547187A1 Pneumatic hammer motor with reciprocating piston in cylinder
06/04/1997CN1150993A Compound engine
05/1997
05/21/1997EP0774062A1 A heat engine and heat pump
04/1997
04/16/1997EP0767865A1 Free piston end position limiter
09/1996
09/05/1996DE19507511A1 Stirling engine-based solar energy converter
08/1996
08/08/1996DE19502146A1 Steam engine with piston, reciprocating in cylinder chamber
07/1996
07/23/1996US5537820 Free piston end position limiter
05/1996
05/29/1996CN1123360A Magnetic power fully automatic environment protection equipment
05/02/1996WO1996012879A1 Ion electromagnetic engine
05/02/1996CA2203243A1 Ion electromagnetic engine
03/1996
03/14/1996WO1996007818A1 Combustion and steam engine system and methods
03/14/1996WO1996007815A1 Centering system with one way valve for free piston machine
02/1996
02/15/1996DE4428798A1 Tandem IC engine in which double piston moves in one cylinder
01/1996
01/04/1996WO1996000342A1 Free piston end position limiter
10/1995
10/31/1995US5461859 Centering system with one way valve for free piston machine
06/1995
06/29/1995DE4344176A1 Compressed air engine e.g. for vehicle
04/1995
04/06/1995DE4333275A1 Compressed air motor
01/1995
01/18/1995CN2187678Y Air engine for model airplane
11/1994
11/29/1994US5367878 For providing motion at a high repetition rate
06/1994
06/09/1994WO1994012785A1 A heat engine and heat pump
03/1994
03/31/1994WO1994007011A1 Multi-mode energy conserving engine
02/1994
02/23/1994CN1082661A 空气机 Air machine
06/1993
06/24/1993DE4141577A1 Reciprocating piston engine shaft drive for current generation - having piston rod on eccentric mainshaft giving extended dead centre dwell, with water injected into compressed air converted to steam
06/05/1993CA2057323A1 Piston engine without crankshaft
04/1993
04/28/1993CN2130924Y Water pressure intensity engine
04/07/1993EP0515559A4 Stirling free piston cryocoolers
03/1993
03/25/1993DE4131627A1 Vacuum motor without combustion - has vacuum produced artificially in cylinder chamber and working with atmospheric air to drive piston
02/1993
02/16/1993US5186001 For providing motion at a high repetitive rate
12/1992
12/02/1992EP0515559A1 Stirling free piston cryocoolers
09/1992
09/24/1992DE4101299A1 Pneumatic motor actuation system - uses working cylinders with pressure expansion chambers and transformer chambers, to store energy during working
05/1992
05/27/1992EP0486519A1 Energy conserving engine
05/05/1992US5109666 Solid fuel combustion device and a compressor
04/1992
04/23/1992DE4033071A1 Injector counter-stroke steam engine - has arrangement for controlling amount of injected water
04/01/1992CN1059955A Liquefied nitrogen power machine
12/1991
12/18/1991EP0246275B1 Thermally powered engine
08/1991
08/24/1991WO1991013297A1 Stirling free piston cryocoolers
08/24/1991CA2076539A1 Stirling free piston cryocoolers
07/1991
07/30/1991US5035115 Energy conserving engine
07/11/1991WO1991010044A1 Energy conserving engine
06/1991
06/11/1991US5022229 Stirling free piston cryocoolers
06/04/1991US5020420 For portable compressor pumps
02/1991
02/05/1991CA1279766C Method and apparatus for improved start-up procedures in conventional steam power generators and dual fluid cheng cycle engines
01/1991
01/01/1991US4981014 Atmospheric pressure power plant
10/1990
10/24/1990EP0228463B1 Method and apparatus for improved start-up procedures in conventional steam power generators and dual fluid cheng cycle engines
08/1990
08/23/1990WO1990009512A1 Method and device for recuperation of braking energy of a vehicle
06/1990
06/13/1990CN1008385B 马达组件 Motor assembly
05/1990
05/15/1990US4924757 Lightweight cylinder head attachment for fluid actuators
11/1989
11/21/1989US4881454 Pressure fluid cylinder device
10/1989
10/31/1989US4876850 Combustion engine for solid block fuel
10/19/1989DE3807747A1 Energy device
06/1989
06/13/1989US4838147 Pressure fluid actuator
06/07/1989CN1004436B Expansion engine adapted from internal combustion engine
05/1989
05/16/1989US4829879 Radial piston drive motor assembly with exhaust passages in cylinder
04/1989
04/24/1989EP0246275A4 Thermally powered engine.
03/1989
03/07/1989US4809503 Solid fuel bar combustion device and a compressor
01/1989
01/17/1989US4798053 Kinetic energy reclaiming system for vehicle
12/1988
12/22/1988DE3719008A1 Hydraulic, pneumatic and internal combustion engines. Hydraulic elevators
12/13/1988US4790269 Method and apparatus for improved start-up procedures in conventional steam power generators and dual fluid cheng cycle engines
11/1988
11/24/1988DE3706702A1 Hydraulic, pneumatic and internal combustion engines. Hydraulic elevators
10/1988
10/04/1988US4774874 Rolling diaphragm construction and piston-cylinder assembly including same particularly useful for suction or compression pumps
09/1988
09/29/1988DE3708455A1 Hydraulic, pneumatic and internal combustion engines. Hydraulic elevators
09/27/1988US4773304 Device at pneumatic cylinders
09/20/1988US4771678 Piston locking device for double acting hydraulic cylinder
09/06/1988CA1241540A1 Toy utilizing fluid propulsion device
08/1988
08/18/1988DE3703617A1 Hydraulic-gas pressure and internal combustion engines. Hydraulic elevators
05/1988
05/31/1988US4747271 Hydraulic external heat source engine
05/05/1988DE3627301A1 Engine without fuel
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