Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01L - Cyclically operating valves for machines or engines › F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear
Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520)
04/1990
04/03/1990US4913104 Rocker arm for operating two valves
04/03/1990CA1267334A1 Automatic clearance adjuster
03/1990
03/29/1990DE3831642A1 Valve gear for a lift valve in an internal combustion engine
03/29/1990DE3831333A1 Multicylinder internal combustion engine
03/27/1990US4911124 Engines for use with gaseous fuels
03/27/1990US4911114 Device for switching valve operation modes in an internal combustion engine
03/27/1990US4911113 Valve actuating device for multiple valve type engine
03/27/1990US4911112 Valve operating system for internal combustion engines
03/27/1990US4911111 Intake manifold for an internal combustion engine
03/22/1990DE3831733A1 Ventilgesteuerte hubkolben-brennkraftmaschine Valve-controlled reciprocating internal combustion engine
03/21/1990EP0358826A1 Valve gear of internal combustion engine
03/20/1990US4909198 Aluminum alloy valve lifter with sprayed coating and method of producing same
03/20/1990US4909197 Cam follower assembly with pinless roller
03/20/1990US4909196 Valve operating mechanism for internal combustion engine
03/20/1990US4909195 Valve operating system of internal combustion engine
03/20/1990US4909194 In an internal combustion engine
03/13/1990US4908731 Electromagnetic valve actuator
03/13/1990US4907554 Multiple intake poppet valve array for a single port
03/13/1990US4907550 Apparatus for changing operation timing of valves for internal combustion engine
03/13/1990US4907544 Turbocharged two-stroke internal combustion engine with four-stroke capability
03/13/1990US4907330 Sintered body assembly formed from a plurality of independent compacts and method of producing same
03/08/1990WO1990002249A1 Pushrod retainer
03/07/1990EP0357511A1 Double overhead camshaft engine
03/06/1990US4905751 Method for casting a rocker arm for an internal combustion engine and mould structure for carrying out the casting method
03/06/1990US4905639 Valve operating apparatus for an internal combustion engine
03/06/1990US4905538 Camshaft
02/1990
02/28/1990EP0356162A1 Timing control system
02/28/1990EP0356018A1 Sealed camshaft phase change device
02/28/1990EP0355659A1 Rocker arm arrangement for internal combustion engine poppet valves and the like
02/28/1990EP0355360A1 Method for manufacturing tappets for reciprocating-piston engines
02/27/1990US4903651 Rocker arm clearance removing device
02/27/1990US4903650 Apparatus for relative angular adjustment between two shafts in drive connection
02/27/1990US4903543 Camshaft for controlling valves in internal combustion engines and method of manufacturing the camshaft
02/22/1990WO1990001616A1 Control device for a gas shuttle valve
02/22/1990DE3827154A1 Device for increasing the transmission of inlet and exhaust port in reciprocating piston internal combustion engines
02/20/1990US4902358 Ceramic to metal brazing
02/20/1990US4901685 Valve operating mechanism for an internal combustion engine
02/20/1990US4901683 Vented valve for internal combustion engines
02/15/1990DE3827148A1 Reciprocating piston internal combustion engine with piston cell
02/14/1990EP0354417A1 Positioning device for a gas exchange valve
02/13/1990US4899701 Valve operation control device for internal combustion engine
02/08/1990DE3821937A1 Internal combustion engine with valve timing gear
02/07/1990EP0353989A2 Cylinder head structure for plural cylinder engines
02/07/1990EP0353988A1 Valve operating system for internal combustion engine
02/07/1990EP0353863A1 Control method for valve-timing changeover in engine
02/07/1990EP0353862A1 Irregularity-detecting method for variable valve-timing type engine
02/07/1990EP0353612A2 Guide rail with multiple supports for endless traction mechanism gearings
02/07/1990EP0353577A2 Cylinder head for an internal-combustion engine
02/07/1990EP0353543A1 Valve-operating device for internal-combustion engines
02/07/1990EP0222812B1 Variable phase and oscillatory drives
02/06/1990US4898131 Valve actuating mechanism for internal combustion mechanism
02/06/1990US4898130 Valve mechanisms
02/05/1990EP0335945A4 Camshafts and methods of making same.
01/1990
01/31/1990EP0352436A1 Device for the relative angular displacement between a driving and a driven shaft
01/31/1990CN2052045U Camshaft for combined interanl combustion engine
01/30/1990US4896635 Friction reducing rocker arm construction
01/25/1990WO1990000670A1 Drive arrangement for a camshaft in an internal combustion engine
01/23/1990US4895113 Device for relative angular adjustment between two drivingly connected shafts
01/23/1990US4895045 Differential camshaft
01/18/1990DE3918361A1 Drive arrangement for a camshaft of an internal combustion engine
01/17/1990EP0351033A1 Hydraulic valve lash adjuster
01/16/1990US4893592 Combustion chamber for an internal combustion engine
01/11/1990WO1990000220A1 Variable camshaft timing system
01/11/1990DE3822634A1 Return cam on the camshaft, by way of the device for return valves, especially for internal combustion engines
01/09/1990US4892067 Valve control system for engines
01/03/1990CN1038497A Rocker arm decoupler for two-cycle engine retarder
12/1989
12/28/1989DE3821506A1 Arrangement of a cylindrical tappet
12/27/1989CN2050074U Piston pump rotary faner body
12/26/1989US4889086 Automatic timing variation device for an internal combustion engine
12/26/1989US4889085 Valve operating device for internal combustion engine
12/26/1989US4889084 Valve control device with magnetic valve for internal combustion engines
12/21/1989DE3820645A1 Cup-shaped housing
12/20/1989EP0347211A1 Valve operation control system of internal combustion engine
12/19/1989US4887566 Hydraulic valve lash adjuster
12/19/1989US4887565 Internal combustion engine
12/19/1989US4887564 Valve actuation system for desmodromic internal combustion engines
12/19/1989US4887563 Valve operating apparatus for an internal combustion engine
12/19/1989US4887562 Modular, self-contained hydraulic valve timing systems for internal combustion engines
12/19/1989US4887561 Method of controlling valve operation in an internal combustion engine
12/19/1989EP0345252A4 Variable lift cam follower.
12/13/1989EP0345252A1 Variable lift cam follower.
12/12/1989US4886022 Engine valve driving apparatus
12/12/1989US4885952 Cylindrical tappet
12/07/1989DE3842175A1 Cylinder head with cover for internal combustion engines
12/07/1989DE3814362C1 Process for producing bucket tappets and similarly stressed components in internal combustion engines
12/06/1989EP0344599A1 Reciprocating piston internal-combustion engine with an overhead camshaft in a multivalve cylinder head
12/06/1989EP0344598A2 Internal-combustion engine comprising a double overhead camshaft cylinder head
12/06/1989EP0344597A2 Cylinder head for an internal-combustion engine
12/05/1989US4884539 Head for an internal combustion reciprocating engine
11/1989
11/30/1989WO1989011584A1 Internal combustion engine with at least one charger of positive displacement design
11/29/1989EP0343931A1 Mechanism for switching valve operation modes in an internal combustion engine
11/29/1989EP0343627A1 Valve drive train for a V-type internal combustion engine
11/28/1989US4883027 Valve operating system for internal combustion engines
11/28/1989US4883025 Potential-magnetic energy driven valve mechanism
11/28/1989US4882825 Method of connecting a tubular member with an annular member
11/23/1989EP0342383A1 Adjustable lash valve train for overhead valve engine
11/23/1989DE3913530A1 Valve actuating device
11/23/1989DE3840905C1 Use of a steel alloy for camshafts
11/23/1989DE3817318A1 Brennkraftmaschine mit wenigstens einem lader der verdraengerbauart Positive displacement internal combustion engine with at least one of the handlers
11/21/1989US4881680 Process for the production of a composite camshaft
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