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)
11/1990
11/13/1990US4969957 Method of producing a mechanical component with superior fatigue strength
11/13/1990US4969434 Overhead-valve type internal combustion engine
11/13/1990US4969427 Cylinder head of a four-cycle engine
11/13/1990US4969426 Valve operating mechanism for internal combustion engine
11/13/1990US4969262 Method of making camshaft
11/13/1990US4969261 Method of assembling cam follower device
11/07/1990EP0396327A1 Valve operating system of internal combustion engine
11/07/1990EP0396288A1 Hydraulic tappet
11/07/1990EP0396280A1 Camshaft drive mechanisms
11/07/1990EP0396279A1 Hydraulic tappets
11/06/1990US4967701 Valve timing adjuster
11/06/1990US4967617 Composite shaft with integral drive elements
10/1990
10/31/1990EP0395311A1 Hydraulic tappet
10/31/1990EP0394328A1 Automatic clearance adjuster.
10/31/1990DE4012491A1 Two stroke IC engine - has fuel injection valve which begins to operate after closing of exhaust valve
10/31/1990DE4012471A1 Scavenging system for two stroke IC engine - which has one inlet valve for scavenging air and one valve for fuel-air mixture
10/31/1990DE3935154A1 CAM for operating valve of piston machine - has its sliding surfaces lubricated by oil supplied through central axial hole present in it
10/31/1990DE3913844A1 Method of fixing IC engine cylinder head to block - involves using bolts inclined to central vertical longitudinal plane of block
10/30/1990USRE33411 Valve operating mechanism for internal combustion engine
10/30/1990US4966110 Intake air flow control apparatus of internal-combustion engine
10/30/1990US4966108 Sintered ceramic ball and socket joint assembly
10/30/1990US4966107 Valve clearance adjustment
10/30/1990US4966106 Camshaft driving arrangement for double overhead camshaft engine
10/25/1990DE4011738A1 Ceramic camshaft - with steel shaft sections soldered to ceramic cam-sections by specified silver paste
10/25/1990DE3913285A1 Valve actuating system for IC engine - has CAM to open each valve and separate CAM to close valve
10/24/1990EP0393095A1 Valve assembly for internal combustion engine
10/23/1990US4964741 Roller assembly
10/23/1990US4964375 Valve operating mechanism
10/18/1990WO1990012226A1 Plastic stabilized composite camshaft
10/18/1990DE3912495A1 Camshaft for ŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸ IC engine - is mounted on bearing bolted to cylinder head
10/18/1990DE3911955A1 IC engine valve drive system - uses belt with adjustable pressure wheel to alter camshaft phase
10/16/1990US4962732 Valve operating device for internal combustion engine
10/10/1990EP0391739A1 Intake system of internal combustion engine
10/09/1990US4961407 Rocker arm with a cost push rod seat
10/09/1990US4961406 Method and device for optimizing the air-fuel mixture burn rate of internal combustion engines during low speed, light and heavy load operating conditions
10/09/1990CA1275017A1 Cylinder head for dohc type four-cycle internal combustion engines
10/09/1990CA1275016A1 Engine rocker arm assembly
10/04/1990DE3910666A1 Hydraulic bucket tappet
10/04/1990DE3910090A1 Variable valve timing by means of cardan universal joint
10/03/1990EP0389710A2 Hydraulic valve lash adjuster
10/03/1990EP0389609A1 Device for actuating the valves of internal combustion engines with adjustable valve-lifting cam.
10/02/1990US4960095 Knocking control system for internal combustion engines
10/02/1990US4960084 Valve timing control system for internal combustion engine
10/02/1990US4960083 Failsafe method in connection with valve timing-changeover control for internal combustion engines
10/02/1990US4960081 Belt driven camshaft mechanism for internal combustion engine
10/02/1990CA1274699A1 Method of fastening drive elements on a hollow shaft
09/1990
09/26/1990EP0389070A2 Method and apparatus for assembling camshafts
09/26/1990CN1009711B Method and apparatus for fixing section to hollow object
09/25/1990CA1274435A1 Camshaft coupled water pump for i.c. engine
09/20/1990WO1990010788A1 Phase change mechanism
09/20/1990WO1990010787A1 Automatic length adjuster
09/20/1990WO1990010786A1 Automatic length adjuster
09/19/1990EP0388244A1 Coupling for the transmission of alternating couples
09/18/1990US4957470 Valve operating system for engine
09/18/1990US4957079 Camshaft structure for double overhead camshaft engine
09/18/1990US4957078 V-type multi-cylinder engine
09/18/1990US4957077 Camshaft driving arrangement for double overhead camshaft engine
09/18/1990US4957076 Valve operating mechanism for an internal combustion engine
09/18/1990US4957073 Multiple concentric intake/exhaust valve system for an internal combustion engine
09/18/1990CA1274136A1 Lubrication of valve mechanism in an internal combustion engine
09/18/1990CA1274132A1 Valve operating mechanism for internal combustion engine
09/18/1990CA1274131A1 Valve assembly for internal combustion engine
09/12/1990EP0386474A1 Self-adjusting hydraulic valve tappet
09/12/1990EP0313565B1 Method for production of a camshaft
09/12/1990CN1009570B Camshaft and method for its production
09/11/1990US4955335 Camshaft driving arrangement for internal combustion engine
09/11/1990US4955330 Cam drive mechanism for internal combustion engine
09/07/1990WO1990010142A1 Actuating mechanisms
09/07/1990WO1990010141A1 Twin cam multi-valve internal combustion engine
09/05/1990CN2061610U Gasoline engine
09/05/1990CN1045153A Simulating tester of double head strengthen wear between engine's air valve and seat
08/1990
08/29/1990EP0384361A2 Valve train for automotive engine
08/28/1990USRE33310 Valve operating and interrupting mechanism for internal combustion engine
08/28/1990US4951623 Double overhead camshaft engine
08/28/1990US4951622 Cylinder head for DOHC internal combustion engine with four valves per cylinder
08/28/1990US4951621 Four stroke internal combustion engine
08/28/1990US4951619 Self-adjusting hydraulic valve tappet
08/28/1990US4951616 V-type engine
08/23/1990WO1990009513A1 Device for varying the angular relationship between the crankshaft and the camshaft of an internal combustion engine
08/23/1990DE3904681A1 Device for the variable timing of the same type of lift valve for each combustion chamber of an internal combustion engine
08/22/1990EP0383695A1 Valve arrangement for internal-combustion engines
08/22/1990EP0383297A2 Cylinder head and valve train arrangement for multiple valve engine
08/22/1990EP0382776A1 Exhaust control valve for two-stroke cycle engines and process for using the same.
08/21/1990US4949687 Four valve cylinder head for a four cycle engine
08/21/1990US4949683 Tubular camshaft with lubricant passages
08/17/1990CA2010123A1 Valve assembly for internal combustion enjine
08/14/1990US4947547 Method of manufacturing a camshaft
08/14/1990CA1272652A1 Recirculating valve lash adjuster
08/09/1990WO1990008883A1 Internal combustion engine
08/08/1990EP0380903A1 A timing control assembly for a multi-cylinder internal combustion engine, particularly for motor vehicles
08/08/1990EP0380770A1 Valve stem seal
08/08/1990CN2060181U En-block reducer
08/07/1990US4945871 Hydraulic valve lifter for internal combustion engine
08/07/1990US4945869 Two cycle crankcase variable inlet timing
08/02/1990DE3902051A1 Internal combustion engine with multi-cylinder combination
08/02/1990DE3645157C2 Valve timing setting mechanism
08/01/1990EP0380218A1 Multiple intake poppet valve array for a single port
08/01/1990EP0379719A1 Rocker arms arrangement in an internal-combustion engine
07/1990
07/31/1990US4944264 Chain casing for engine
07/31/1990US4944263 Cylinder head of DOHC engine
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