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)
11/1988
11/30/1988EP0293209A1 Valve operating apparatus in an internal combustion engine
11/30/1988EP0292795A1 Hollow shaft with driving elements affixed by means of expansion and with axially differing material properties
11/30/1988EP0292794A1 Hollow shaft of a material with a small modulus of elasticity and driving elements affixed by means of expansion
11/29/1988US4787944 Using high density radiation and self-cooling
11/29/1988US4787347 Self-adjusting hydraulic valve tappet
11/29/1988US4787346 Valve operating apparatus for an internal combustion engine
11/29/1988US4787345 Arrangement for the relative angular position change of two shafts drivingly connected with each other, especially between a crankshaft supported in an engine housing of an internal combustion engine and a cam shaft
11/29/1988US4787342 V-6 engine
11/23/1988EP0292185A2 Cam mechanisms
11/23/1988EP0291902A2 Camshaft for the valve control in internal-combustion engines, and manufacturing process
11/22/1988US4785773 Cylinder head for a water-cooled internal combustion engine
11/17/1988WO1988008934A1 Hollow shaft
11/17/1988WO1988008919A1 Improvements in or relating to driving connections between two rotatable bodies
11/17/1988WO1988008918A1 Method and device for adjustment of camshafts
11/17/1988EP0291357A1 Valve operating device of internal combustion engine
11/17/1988EP0291110A1 Pre-timed distribution unit, in particular for internal combustion engines
11/17/1988EP0291070A1 Ceramic to metal brazing
11/17/1988EP0290758A1 Tubular shaft
11/15/1988US4784095 Rocker arm adjusting nut
11/15/1988US4784094 Cylinder head with desmodromic valve operation, for internal combustion engines
11/15/1988US4783898 Method of producing a shaft having plate-like member joined thereto
11/08/1988US4782799 Self-adjusting hydraulic valve tappet
11/03/1988DE3713751A1 Hydraulic clearance adjusting element
11/01/1988US4781076 Camshaft for reciprocating piston engines
10/1988
10/27/1988DE3712683A1 Internal combustion engine
10/26/1988EP0287754A2 Closed hydraulic tappet
10/25/1988US4779589 Control apparatus for intake and exhaust valves of an internal combustion engine
10/25/1988US4779583 Cup-type tappets for use in internal combustion engines
10/19/1988EP0287554A2 Valve drive for an internal-combustion engine
10/19/1988EP0287425A1 Method for moulding a rocker arm for internal combustion engine and mould structure for executing the moulding procedure
10/18/1988US4777916 Valve spring device for a valve in an internal combustion engine
10/18/1988US4777914 Valve operating apparatus for an internal combustion engine
10/18/1988US4777842 Structure of camshaft bearing
10/12/1988EP0285877A1 Valve control device
10/12/1988CN87213898U Into and out petroleum single way valve of petroleum pump
10/11/1988US4776307 Multi-cylinder/combustion engine
10/06/1988DE3808542A1 Valve gear for an inlet and exhaust valve of an internal combustion engine
10/05/1988EP0285598A1 Injection internal-combustion engine
10/04/1988US4774852 Campshaft for actuating valve tappets in internal combustion engines
09/1988
09/29/1988DE3800347A1 Valve actuating device in an internal combustion engine
09/29/1988DE3709197A1 Device for a cam-controlled reciprocating piston engine
09/29/1988DE3708676A1 Actuating lever for inlet and exhaust valves of internal combustion engines
09/29/1988DE3708675A1 Valve actuating arrangement for internal combustion engines with a plurality of valves of the same type for each cylinder
09/28/1988EP0283911A2 Cylinder head for an internal-combustion engine
09/27/1988US4773361 Overhead cam type four-valve actuating apparatus for internal combustion engine
09/27/1988US4773360 Internal combustion engine
09/27/1988US4773359 Valve control for overhead camshaft engines
09/27/1988CA1242409A1 Cast iron article and method of making same
09/22/1988WO1988007125A1 Variable phase shift mechanism
09/22/1988DE3744668C1 Chain tensioner
09/21/1988EP0282714A1 Ceramic tipped pivot rod and method for its manufacture
09/20/1988US4771742 Method for continuous camlobe phasing
09/20/1988US4771741 Non-rotative roller tappet arrangement for internal combustion engines
09/14/1988EP0282166A1 Assembled camshafts.
09/14/1988EP0281990A1 Hydraulic lash adjuster
09/13/1988US4770399 Process for the mounting of a group of component parts on a support element, in particular parts of a timing gear of a heat engine, and a packing print for carrying out this process
09/13/1988US4770060 Apparatus and method for variable valve timing
09/08/1988DE3706187A1 Driving device for a machine part guided in an adjustable, preferably linearly adjustable, manner
09/08/1988DE3705966A1 Variable valve timing gear
09/07/1988WO1988006677A1 Variable camshaft timing system
09/07/1988EP0281192A1 Electromagnetic valve actuator
09/07/1988EP0280888A1 Hydraulic lash adjuster for the valve drives of internal-combustion engines
09/07/1988EP0280774A1 Camshaft drive for an internal-combustion piston engine
09/06/1988US4768476 Tappet with ceramic camface
09/06/1988US4768475 Valve mechanism for an automotive engine
09/01/1988DE3705599A1 Air-cooled internal combustion engine
09/01/1988DE3705128A1 Camshaft intended for an internal combustion engine
08/1988
08/31/1988EP0280667A1 A valve mechanism for an internal combustion engine
08/31/1988EP0280365A2 Flapping-preventing runner for a pre-timed distribution assembly for internal combustion engine
08/31/1988EP0279934A1 Sliding rail
08/31/1988EP0279826A1 Differential camshaft.
08/25/1988WO1988006248A1 Hollow shafts and a process for their manufacture
08/25/1988DE3701867C1 Device for the angular adjustment of a shaft, especially a cam shaft, relative to a driving gear
08/24/1988EP0279275A1 Ceramic ball and socket joint
08/24/1988EP0279267A1 Valve control device
08/24/1988EP0279265A1 Valve device with a hydraulic transmission and variable characteristic by means of sliding valve control
08/24/1988CN88100461A Valve gear with hydranlic transfer and variable characteristic controlled link motion
08/23/1988US4765290 Valve actuating device of internal combustion engine
08/23/1988US4765289 Valve driving system for internal combustion engine
08/18/1988DE3725049A1 Internal combustion engines with coaxial, concentric valve arrangement
08/18/1988DE3703867A1 Device for measuring the displacement of reciprocating valves
08/17/1988EP0278676A1 Cam shaft manufacturing method and device used therein
08/17/1988EP0278292A1 Hollow shaft and method of manufacturing it
08/16/1988US4763622 Internal combustion engine of the spark ignition type
08/16/1988US4763617 Sealed-type hydraulic lash adjuster
08/16/1988US4763616 Valve lever with ball bearing pivot
08/16/1988US4763615 Desmodromic valve system
08/16/1988US4763614 Composite camshaft for internal combustion engines and a method for its manufacture
08/16/1988US4763503 Apparatus for making a cam shaft
08/16/1988CA1240577A1 Valve actuating mechanism for internal combustion engines
08/16/1988CA1240576A1 Phasing device for machinery applications
08/11/1988DE3718393A1 Hydraulic compensating element for inlet/exhaust valves of internal combustion engines
08/10/1988EP0277712A1 Cam follower and process for making same
08/09/1988US4762111 Head cover arrangement for double overhead cam type engine
08/09/1988US4762100 Inverted bucket tappet with improved seal and valve stem pad
08/09/1988US4762099 Valve actuating device of four-cycle internal combustion engine
08/09/1988US4762098 Lubricating device for overhead valve engine
08/09/1988US4762097 Engine with hydraulically variable cam timing
08/09/1988US4762095 Device for actuating a fuel-exchange poppet valve of a reciprocating internal-combustion engine
08/09/1988US4762094 Valve gear for four-cycle engine
1 ... 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 ... 306