Patents
More topics under "F01L - Cyclically operating valves for machines or engines" (55,698)
F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520)
F01L 11 - Valve arrangements in working piston or piston-rod (183)
F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations (9,664)
F01L 15 - Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups (123)
F01L 17 - Slide-valve gear or valve arrangements with cylindrical, sleeve, or part-annularly-shaped valves surrounding working cylinder or piston (34)
F01L 19 - Slide-valve gear or valve arrangements with reciprocatory and other movement of same valve, other than provided for in group , e.g. longitudinally and in cross direction of working cylinder (5)
F01L 21 - Use of working pistons or piston-rods as fluid-distributing valves or as valve-supporting elements, e.g. in free-piston machines (198)
F01L 23 - Valves controlled by impact of piston, e.g. in free-piston machines (250)
F01L 25 - Drive, or adjustment during operation, of distribution or expansion valves by non-mechanical means (555)
F01L 27 - Distribution or expansion-valve gear peculiar to free-piston machines or engines and not provided for in groups (16)
F01L 29 - Reversing-gear (21)
F01L 3 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof (4,573)
F01L 31 - Valve drive, valve adjustment during operation, or other valve control, not provided for in groups (194)
F01L 33 - Rotary or oscillatory slide-valve gear or valve arrangements, specially adapted for machines or engines with variable fluid distribution (76)
F01L 35 - Lift-valve gear or valve arrangements specially adapted for machines or engines with variable fluid distribution (42)
F01L 5 - Slide-valve gear or valve arrangements (387)
F01L 7 - Rotary or oscillatory slide-valve gear or valve arrangements (1,661)
F01L 9 - Valve-gear or valve arrangements actuated non-mechanically (7,196)
Patents for F01L - Cyclically operating valves for machines or engines (71)
06/2013
06/20/2013US20130153733 Extendable/retractable support column
02/2013
02/05/2013US8366066 Extendable/retractable support column
05/2012
05/09/2012CN1704563B Cool seat ring
04/2011
04/19/2011US7926454 Method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith
03/2011
03/09/2011EP1886003B1 Camshaft and method for the production thereof
09/2010
09/01/2010CN101265962B Synchronous drive apparatus and methods
02/2010
02/18/2010US20100038499 Extendable/retractable support column
01/2010
01/20/2010CN100582443C Air valve mechanism of internal combustion engine air exchanging valve
01/12/2010CA2465709C Photolytic oxygenator with carbon dioxide fixation and separation
07/2009
07/14/2009US7559300 Multiple slave piston valve actuation system
05/2009
05/05/2009US7527770 Photolytic oxygenator with carbon dioxide fixation and separation
01/2009
01/06/2009US7472669 Method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith
12/2008
12/03/2008CN100439662C Air vale driving device for gas exchange valve of IC engine
11/2008
11/12/2008CN100432379C A method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith
11/12/2008CN100432378C A method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith
09/2008
09/17/2008CN101265962A Synchronous drive apparatus and methods
08/2008
08/21/2008US20080196323 Extendable/retractable support column
04/2008
04/30/2008EP1454036B1 Photolytic oxygenator with carbon dioxide fixation and separation
04/15/2008US7357365 Extendable/retractable support column
02/2008
02/13/2008EP1886003A1 Camshaft and method for the production thereof
08/2007
08/16/2007US20070186883 Method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith
08/02/2007US20070175423 Method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith
05/2007
05/09/2007CN1961138A Multiple slave piston valve actuation system
03/2007
03/14/2007CN1930377A A method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith
03/07/2007CN1926311A A method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith
11/2006
11/29/2006EP1725746A1 A method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith
11/22/2006EP1723319A1 A method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith
11/02/2006WO2004094790A3 Extendable/retractable support column
10/2006
10/04/2006EP1706602A2 Multiple slave piston valve actuation system
07/2006
07/06/2006WO2005059318A3 Multiple slave piston valve actuation system
06/2006
06/14/2006EP1668229A1 A device for a valve control for a combustion engine
06/07/2006CN1782333A Air valve mechanism of internal combustion engine air exchanging valve
06/07/2006CN1782332A Air valve mechanism for internal combustion engine air inlet valve
06/01/2006DE102004057439A1 Valve operating mechanism for gas exchange valve of diesel engine, has non-adjustable oscillating arm that is shifted in direction of base circle of cam at sliding surface over circular arc-shaped upper surface of adjustable oscillating arm
06/01/2006DE102004057438A1 Gear train consists of tilt lever that operates with gas exchange valve and is connected to push rod that has adjustment system that comprises an adjustable oscillating lever that works with a tappet shaft and cam
12/2005
12/29/2005DE102004027084A1 Cooled valve seat ring for a cylinder head of an I.C. engine comprises ring parts forming an annular flow channel which is integrated via inlet and outlet holes in one of the ring parts after pressing into the cylinder head
12/07/2005CN1704563A Cool seat ring
10/2005
10/27/2005WO2005080760A8 Hydraulic arrengement of devices for the controlling of valves in a combustion engine
09/2005
09/09/2005WO2005083239A1 A method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith
09/01/2005WO2005080760A1 Hydraulic arrengement of devices for the controlling of valves in a combustion engine
08/2005
08/25/2005WO2005078245A1 A method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith
08/25/2005DE102004004179A1 Drive assembly for intake/ exhaust valves of internal combustion engine, has adjustable rocker arm of phase shift adjusting device for valve timing control, having slip plane to displace adjusting device
08/03/2005CN1648420A Air vale driving device for gas exchange valve of IC engine
06/2005
06/30/2005WO2005059318A2 Multiple slave piston valve actuation system
06/16/2005US20050126522 Multiple slave piston valve actuation system
06/02/2005WO2005012697B1 Electromagnetic valve system
05/2005
05/26/2005US20050109908 Extendable/retractable support column
04/2005
04/07/2005WO2005012697A3 Electromagnetic valve system
03/2005
03/31/2005WO2005028820A1 A device for a valve control for a combustion engine
03/03/2005US20050046531 Electromagnetic valve system
02/2005
02/24/2005WO2004053301A3 Dispensing system and method
02/10/2005WO2005012697A2 Electromagnetic valve system
01/2005
01/20/2005US20050013750 Long term life support in confined environments; photoelectric cell that operates similar to photosynthesis
11/2004
11/17/2004EP1454036A4 Photolytic oxygenator with carbon dioxide fixation and separation
11/04/2004WO2004094790A2 Extendable/retractable support column
09/2004
09/08/2004EP1454036A2 Photolytic oxygenator with carbon dioxide fixation and separation
08/2004
08/05/2004US20040148763 Dispensing system and method
06/2004
06/24/2004WO2004053301A2 Dispensing system and method
05/2004
05/27/2004WO2003012261A3 Photolytic oxygenator with carbon dioxide fixation and separation
02/2003
02/13/2003WO2003012261A2 Photolytic oxygenator with carbon dioxide fixation and separation
10/2002
10/09/2002CN1092284C Hydraulic central unit for cylinder in IC engine
11/2000
11/01/2000CN1271804A Valve driving device
12/1998
12/02/1998CN1200435A Hydraulic central unit for cylinder in internal combustion engine
07/1997
07/22/1997US5649506 Coupling for the transmission of alternating torques
07/08/1997US5645017 Internal combustion engine
02/1995
02/14/1995CA2025106C Coupling for the transmission of alternating torques
11/1994
11/23/1994CN1026722C Coupler for alternat transmiting of moment
09/1990
09/19/1990EP0388244A1 Coupling for the transmission of alternating couples
07/1990
07/25/1990CN1044157A Coupling unit for transmission of alternative force moment
07/14/1990WO1990008248A1 Coupling device for the transmission of alternating torque
12/1983
12/27/1983CA1159308A1 Fluid actuated pump system