Patents for F01B 25 - Regulating, controlling, or safety means (836)
07/2001
07/25/2001EP1118754A2 A gas driven mechanical oscillator and method
06/2001
06/19/2001US6247332 Gas driven mechanical oscillator and method
06/06/2001EP0920573B1 High-pressure steam engine
01/2001
01/30/2001US6179552 Speed control unit for a pneumatic rotation motor
01/10/2001EP1066920A2 Air tool provided with safety device
12/2000
12/26/2000US6164906 Regulating valve for engines operated by a medium under pressure
09/2000
09/26/2000US6123008 Compressed-air piston engine
06/2000
06/27/2000CA2019542C Remote control modification for manually controlled hydraulic systems
06/13/2000CA2076351C Active control of machine performance
05/2000
05/30/2000US6067796 Gas driven mechanical oscillator and method
03/2000
03/28/2000US6041673 Dual function throttle control system for heavy construction equipment machines
01/2000
01/11/2000US6012280 Reciprocating engine
11/1999
11/03/1999EP0766776B1 Arrangement of a steam engine plant
10/1999
10/13/1999CN1045653C Device and a method for influencing of a valve
09/1999
09/29/1999EP0945591A2 Speed control unit for a pneumatic rotation motor
06/1999
06/09/1999EP0920573A1 High-pressure steam engine
05/1999
05/06/1999EP0912818A1 Regulating valve for engines operated by a medium under pressure
03/1999
03/02/1999US5875635 Arrangement of a steam engine power plant
02/1999
02/02/1999US5865040 Gas driven mechanical oscillator and method
12/1998
12/30/1998CN1203322A Compression air-piston motor
12/23/1998EP0886036A2 Compressed air piston motor
12/10/1998WO1998055734A1 High-pressure steam engine
12/10/1998DE19723748A1 Hochdruckdampfmotor High pressure steam engine
11/1998
11/24/1998US5839346 Rotary hydraulic actuator including groove-like fluid supply paths in a face of a bracket
11/10/1998US5833209 Device and method for influencing the periodic stroke movement of the closing element of a valve
10/1998
10/27/1998CA2043239C Engine protecting system
08/1998
08/20/1998DE19758284A1 Compression motor
06/1998
06/16/1998US5765374 Method for converting energy of an expanding gas into mechanical work
03/1998
03/31/1998US5732612 Actuator for a position-adjusting device, preferably for a valve lift adjusting device of motor vehicles
01/1998
01/22/1998WO1998002642A1 Regulating valve for engines operated by a medium under pressure
01/22/1998CA2261047A1 Regulating valve for engines operated by a medium under pressure
12/1997
12/03/1997EP0810356A1 Reciprocating engine
04/1997
04/09/1997EP0766776A1 Arrangement of a steam engine plant
03/1997
03/12/1997EP0761936A2 Actuating unit for an adjusting device, preferably for a valve lift adjusting device of internal combustion engines
11/1996
11/20/1996EP0711378A4 A gas driven mechanical oscillator and method
09/1996
09/04/1996CN1130413A Gas driven mechanical oscillator and method
06/1996
06/26/1996CN1125306A Parallel operation type combined circulating power station
05/1996
05/15/1996EP0711378A1 A gas driven mechanical oscillator and method
03/1996
03/06/1996CN1118048A Device and a method for influencing of a valve
01/1996
01/31/1996EP0694693A1 Method and device for valve control
12/1995
12/28/1995WO1995035430A1 Arrangement of a steam engine plant
12/19/1995US5476030 Hydraulic device for a hydraulic drive for a high-tension circuit-breaker
12/07/1995WO1995033125A1 A gas driven mechanical oscillator and method
12/07/1995CA2168337A1 A gas driven mechanical oscillator and method
08/1995
08/16/1995EP0516705B1 Active control of machine performance
07/1995
07/11/1995US5431008 Active control of machine performance
04/1995
04/27/1995DE4336074A1 Hydraulic device for a hydraulic drive for a high-voltage power circuit-breaker (high-voltage circuit-breaker)
10/1994
10/26/1994CN1094120A Pump with reciprocating air motor
09/1994
09/27/1994US5349895 Air motor control
06/1994
06/15/1994CN1025087C Hole-alignment type hydraulic step cylinder for reactor control rod driving
04/1994
04/05/1994US5299489 Pressure cylinder with low tolerance fit capable of supporting large transverse loads
03/1994
03/29/1994US5297573 Overspeed safety device
01/1994
01/05/1994EP0577576A1 Overspeed safety device
06/1993
06/02/1993EP0305511B1 Speed governed rotary device
04/1993
04/20/1993US5203251 Motor with spring elements formed on valve assembly
12/1992
12/09/1992EP0516705A1 Active control of machine performance.
05/1992
05/20/1992CN2104933U Pneumatic pump
05/06/1992EP0484307A1 A valve assembly
05/06/1992CN1060922A Hole-alignment type hydraulic step cylinder for reactor control rod driving
02/1992
02/25/1992US5090295 Radial piston engine
01/1992
01/29/1992EP0468548A2 Actuator with energy recovery return
01/28/1992CA1294838C Speed governed rotary device
01/25/1992CA2040379A1 Actuator with energy recovery return
12/1991
12/12/1991DE4018326A1 Positive displacement pump with rotating chambers - has adjustable suction or discharge volume per revolution with primary and secondary adjustment on control ports
09/1991
09/05/1991WO1991013243A1 Active control of machine performance
08/1991
08/14/1991DE4004142A1 IC-piston engine - has adjustable displaced volume with drive shaft encompassed by eccentric wheels rotatable in relation to drive shaft
06/1991
06/11/1991US5022359 Actuator with energy recovery return
05/1991
05/14/1991US5014596 Remote control modification for manually controlled hydraulic systems
10/1990
10/03/1990CN1045856A Peaking regulation with no steam by sliding parameter for small thermal generating set
10/03/1990CN1045839A Plug-in valve integrated circuit for 100 t hydraulic press
04/1990
04/05/1990DE3832137A1 Adjustment of the "inlet closes" valve timing during the operation of axial flow rotary engines
01/1990
01/30/1990US4896585 Adjustable axial piston machine
12/1989
12/26/1989US4889088 Fluid flow control method and apparatus for a positive displacement engine or compressor
12/26/1989US4889033 Pneumatic actuator
12/07/1989DE3818105A1 Device for the adjustment of the displacement of a radial piston hydraulic motor
11/1989
11/08/1989CN1005742B Rotary fluid pressure device having free-wheeling capability
10/1989
10/03/1989US4870890 Automatic reversing valve
07/1989
07/18/1989US4848817 Hook forceps apparatus for industrial endoscopes
07/05/1989EP0323301A1 Timing device for a volumetric engine and compressor
06/1989
06/13/1989EP0305511A4 Speed governed rotary device.
03/1989
03/23/1989DE3729726A1 Membrane machine unit
03/08/1989EP0305511A1 Speed governed rotary device.
11/1988
11/23/1988CN88202971U Methane engine
10/1988
10/12/1988EP0286292A2 Protective system for a device rotatably supported by air bearings
10/11/1988US4776752 Speed governed rotary device
09/1988
09/07/1988WO1988006676A1 Speed governed rotary device
07/1988
07/12/1988US4756229 Digital motor feedback for a position actuator
05/1988
05/18/1988EP0267656A2 Device for recording the cylinder capacity of hydraulic motors having radial variable cylinder-piston unit
12/1987
12/23/1987DE3620682A1 Control of oscillating free pistons for vehicle engines
11/1987
11/26/1987DE3617262A1 Hydrostatic drive
07/1987
07/14/1987US4679490 Oscillator reciprocation control system for piston motor
01/1987
01/27/1987US4639203 Rotary fluid pressure device having free-wheeling capability
01/07/1987EP0207687A1 Rotary fluid pressure device having free-wheeling capability
12/1986
12/31/1986CN86103611A Rotary fluid pressure device having free-wheeling capability
10/1985
10/08/1985US4545288 Quarter turn actuators
01/1985
01/08/1985CA1180615A1 Pneumatic motor drive
12/1984
12/11/1984US4487107 Method of controlling revolution of drive shaft external combustion engine and Russin external combustion engine
08/1984
08/07/1984US4463656 Pneumatic motor drive
10/1983
10/18/1983US4409884 Synchronization cylinder
10/1982
10/20/1982EP0062933A1 Pressurized air motor provided with an inlet chamber of variable volume
1 2 3 4 5 6 7 8 9