Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01L - Cyclically operating valves for machines or engines › F01L 31 - Valve drive, valve adjustment during operation, or other valve control, not provided for in groups
Patents for F01L 31 - Valve drive, valve adjustment during operation, or other valve control, not provided for in groups (194)
06/2001
06/19/2001US6247332 Gas driven mechanical oscillator and method
05/2000
05/30/2000US6067796 Gas driven mechanical oscillator and method
05/24/2000CN2379246Y Multi-functional and combination type manual machine for lapping spiracle
12/1999
12/29/1999EP0966596A1 A device for controlling the valves of an internal combustion engine
10/1999
10/13/1999CN2343346Y Valve device for rotary four-stroke IC engine
05/1999
05/26/1999CN2320790Y Overspeed-preventing tripping valve for diesel engine
02/1999
02/02/1999US5865040 Gas driven mechanical oscillator and method
10/1998
10/21/1998EP0587879B1 Pressure booster
06/1998
06/16/1998US5765374 Method for converting energy of an expanding gas into mechanical work
06/02/1998US5758563 Fluid driven reciprocating pump
09/1997
09/17/1997CN2262605Y Distribution regulating indicator for IC engine
07/1997
07/30/1997CN2258536Y Distribution phase adjustable device
07/16/1997CN2257859Y Variable distributing timing device of automobile engine
04/1997
04/23/1997CN2252887Y Valve stop dog of variable discharge motor
11/1996
11/20/1996EP0711378A4 A gas driven mechanical oscillator and method
09/1996
09/04/1996CN1130413A Gas driven mechanical oscillator and method
05/1996
05/15/1996EP0711378A1 A gas driven mechanical oscillator and method
12/1995
12/07/1995WO1995033125A1 A gas driven mechanical oscillator and method
12/07/1995CA2168337A1 A gas driven mechanical oscillator and method
11/1995
11/08/1995CN1111319A Reduced icing low friction air valve
04/1995
04/13/1995CA2133357A1 Reduced icing low friction air valve
03/1995
03/21/1995US5399071 Pressure booster
12/1994
12/01/1994DE4418052A1 Device for changing the phase position of a camshaft
11/1994
11/15/1994US5363739 Reduced icing low friction air valve
09/1994
09/07/1994EP0587879A4 Pressure booster
05/1994
05/03/1994CA1329077C Valve operating mechanism in an internal combustion engine
05/03/1994CA1329052C Fluid-driven pump
03/1994
03/23/1994EP0587879A1 Pressure booster
03/03/1994WO1994004799A1 Regulating slide-valve gear
01/1994
01/25/1994US5280808 Air valve actuator for reciprocable machine
10/1993
10/14/1993WO1993020350A1 Pressure booster
10/06/1993CN1077009A Air valve actuator for reciprocable machine
08/1993
08/31/1993US5240390 Air valve actuator for reciprocable machine
08/04/1993EP0321573B1 Reciprocation switching structure for pumps
12/1992
12/23/1992EP0519494A1 Valve operating mechanism for internal combustion engine
10/1992
10/21/1992EP0509616A2 Switching device for reciprocating pumps
10/14/1992EP0508555A2 Switching device for reciprocating pumps
09/1992
09/23/1992CN1018372B Simulating tester of double head strengthen wear between engine's air valve and seat
08/1992
08/11/1992US5137436 Device for the generation of auxiliary pressure
05/1992
05/29/1992WO1992008880A1 Internal combustion engines
04/1992
04/29/1992CN2103006U Top spiracle type petrol engine distrubution phase test apparatus
01/1992
01/28/1992US5083906 Fluid pump
07/1991
07/03/1991CN1013045B Super-low-speed steam engine installation with steam pump and water power pump
04/1991
04/24/1991CN1012446B Wind-collecting and waste-gas exhausting device
03/1991
03/26/1991US5002468 Switching device for reciprocating pumps
03/13/1991CN2073033U Acoustooptic exhaust valve gap regulator of internal-combustion engine
01/1991
01/02/1991EP0405127A1 Pneumatic motor
10/1990
10/31/1990EP0394356A1 Improved fluid-driven pump
09/1990
09/05/1990CN1045153A Simulating tester of double head strengthen wear between engine's air valve and seat
02/1990
02/13/1990US4899638 Automatically-reversing piston-and-cylinder unit
01/1990
01/31/1990CN2052046U Screwdriver for adjusting internal combustion engine stigma
01/11/1990WO1990000221A1 Automatically-reversing piston-and-cylinder unit
12/1989
12/06/1989CN2048897U Screw for adjusting gap of motor jet
11/1989
11/14/1989US4879943 Expansible chamber motor with snap-acting valve
10/1989
10/03/1989US4870890 Automatic reversing valve
09/1989
09/27/1989CN1035867A Wind-collecting and waste-gas exhausting device
09/26/1989US4869215 Cam mechanisms
09/19/1989US4867654 Fluid-driven pump
08/1989
08/30/1989CN1035155A Super-low-speed steam engine installation with steam pump and water power pump
07/1989
07/13/1989WO1989006316A1 Improved fluid-driven pump
07/04/1989US4844022 Valve operating apparatus for an internal combustion engine
06/1989
06/28/1989EP0321573A1 Reciprocation switching structure for pumps
05/1989
05/16/1989US4830583 Fluid motor-pumping apparatus and system
02/1989
02/09/1989WO1989001087A1 Actuating device for a flap-valve distributor for a driving or receiving volumetric engine
12/1988
12/06/1988US4789131 Pilot valve
12/01/1988WO1988009440A1 Reciprocation switching structure for pumps
11/1988
11/23/1988EP0292185A2 Cam mechanisms
04/1988
04/06/1988EP0262269A1 Valve operating mechanism for internal combustion engine
03/1988
03/29/1988US4733599 Apparatus for controlling the flow of a pressure fluid in a motor
03/29/1988CA1234509A1 Fluid pressure operated piston engine assembly
03/02/1988EP0258061A1 Valve operating apparatus in an internal combustion engine
01/1987
01/13/1987US4635592 Valve control for an internal combustion engine
12/1986
12/23/1986US4630524 Control valve for pile driver and method
11/1986
11/12/1986EP0097665B1 Variable timing for four stroke engine
05/1986
05/12/1986EP0152464A4 Closed loop solar collector system powering a self-starting uniflow steam engine.
05/07/1986EP0180170A2 Fluid pressure operated piston engine assembly
03/1986
03/26/1986EP0175639A1 Thermodynamic machine
02/1986
02/25/1986US4572118 Variable valve timing for four-stroke engines
11/1985
11/05/1985US4550642 Fluid pressure operated piston engine assembly
09/1985
09/18/1985EP0155261A2 Valve timing gear for an internal-combustion engine
08/1985
08/28/1985EP0152464A1 Closed loop solar collector system powering a self-starting uniflow steam engine
03/1985
03/20/1985EP0134779A1 Control device for a pressurized-fluid operated motor
02/1985
02/28/1985WO1985000855A1 Closed loop solar collector system powering a self-starting uniflow steam engine
03/1984
03/27/1984US4438740 Valve seat inserts for internal combustion engines
01/1984
01/11/1984EP0097665A1 Variable timing for four stroke engine.
07/1983
07/07/1983WO1983002301A1 Variable timing for four stroke engine
04/1982
04/07/1982EP0049075A1 Valve seat inserts for internal combustion engines
12/1980
12/16/1980US4238990 Reciprocating engine with improved power output linkage
07/1980
07/22/1980CA1081972A1 Pressure fluid operated power plant
09/1979
09/18/1979US4167931 Apparatus to control fuel supply to a multicylinder internal combustion engine by disabling one or more engine cylinders in certain engine operating conditions
07/1979
07/31/1979US4162614 Pressure fluid operated power plant
06/1979
06/12/1979CA1056241A1 Adjustable cam system for internal combustion engine
12/1976
12/28/1976US3999896 Continuously operating piston pump
02/1976
02/24/1976US3939808 Circular motion reciprocating engine
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