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)
11/1989
11/21/1989US4881499 Hydraulic play compensating element
11/21/1989US4881498 Rocker arm made of ceramics
11/21/1989US4881497 Valve operating system for internal combustion engine
11/21/1989US4881496 Valve mechanism lubrication system for horizontal cylinder overhead valve engine
11/15/1989EP0342051A1 Valve operating mechanism for internal combustion engine
11/15/1989EP0342007A1 Device for switching valve operation modes in an internal combustion engine
11/15/1989EP0341440A1 Valve operating device with a magnetic valve for an internal-combustion engine
11/14/1989US4879977 Pre-timed distribution unit, in particular for internal combustion engines
11/09/1989DE3814544A1 Parallel crank mechanism for driving two overhead camshafts per cylinder bank of an internal combustion engine
11/08/1989EP0340834A2 System of valves and related operating devices for internal combustion engines having high specific horsepower
11/08/1989EP0340821A2 Automatic timing variation device for an internal combustion engine
11/08/1989EP0340461A1 Hydraulic clearance compensation element
11/07/1989US4878463 Needle bearing rocker arm assembly
11/07/1989US4878462 Engine valve operating apparatus
11/07/1989US4878461 Variable camshaft timing system
11/02/1989WO1989010469A1 Variable camshaft phasing mechanism
11/02/1989EP0340128A1 Camshaft assembling method and camshaft obtained
11/02/1989DE3812988A1 Internal combustion engine
10/1989
10/31/1989US4876997 Self-adjusting hydraulic valve tappet
10/31/1989US4876996 Device for the valve control gear of an internal combustion engine
10/31/1989US4876995 Valve operation control device for internal combustion engine
10/31/1989US4876994 Hydraulic play compensation element
10/31/1989US4876916 Cast shafts, particularly camshafts
10/25/1989EP0338729A1 Method for controlling valve operation in an internal combustion engine
10/24/1989US4875442 Ceramic rocker arm
10/24/1989US4875270 Method of securing parts to a hollow member
10/18/1989EP0337894A1 Control system of the phase angle of a driven shaft with respect to a driving shaft
10/18/1989EP0337816A2 Intake manifold for an internal combustion engine
10/18/1989EP0337242A1 Automatic hydraulic adjusting valve lifter
10/17/1989US4873949 Method of and apparatus for controlling valve operation in an internal combustion engine
10/17/1989US4873947 Variable compression ratio direct injection engine
10/12/1989DE3904696A1 Piston engine with camshaft drive via a toothed belt or roller chain
10/11/1989EP0336259A1 Operating arrangement for internal combustion engine poppet valves and the like
10/11/1989EP0335945A1 Camshafts and methods of making same
10/10/1989US4872431 Internal combustion engine with ceramics valves
10/10/1989US4872429 Method of making low friction finger follower rocker arms
10/10/1989US4872428 Improvements in or relating to driving connections between two rotatable bodies
10/10/1989US4872426 Variable camshaft timing system
10/05/1989DE3906991A1 Camshaft drive arrangement
10/04/1989EP0335428A1 Valve gear for an internal-combustion engine
10/04/1989EP0335121A1 Automatic hydraulically adjusting valve lifter
10/04/1989EP0335083A1 Device for the relative angular displacement between two geared shafts
10/03/1989US4871266 Slide assemblies
10/03/1989US4870931 Rocker arm having wear resistant scuffing resistant portion
10/03/1989US4870930 Engine valve control apparatus
09/1989
09/27/1989EP0334513A1 Hydraulic lash adjuster
09/27/1989EP0334064A1 Element in the valve gear of an internalcombustion engine
09/26/1989US4869708 Sprocket retention/chain guide assembly
09/26/1989US4869215 Cam mechanisms
09/26/1989US4869214 Valve operating mechanism for internal combustion engine
09/21/1989DE3815067C1 Method for balancing out the torsional vibrations of a vehicle drive train
09/20/1989EP0333623A1 Double - flow valve for internal combustion engines
09/20/1989EP0333416A1 Valve actuating mechanism for internal combustion engines
09/19/1989US4867114 Self-adjusting hydraulic valve tappet
09/19/1989US4867113 Reduced friction engine tappet construction
09/19/1989US4867112 Method of assembling a valve-lash adjuster for internal combustion engines
09/19/1989US4867111 Arrangement for the actuation of a gas-exchange disk valve
09/14/1989DE3806839A1 Positionally secured valve tappet, especially for internal combustion engines
09/14/1989DE3806838A1 Valve tappet with position securing, especially for internal combustion engines
09/13/1989EP0332359A1 Valve operating device for use in internal combustion engine
09/13/1989EP0331938A2 Apparatus for accurately attaching several components to a hollow body
09/13/1989EP0331901A2 Valve drive for a lift valve
09/12/1989US4864984 Rotary valve internal combustion engine
09/12/1989US4864983 Pushrod retainer
09/12/1989US4864982 Inner element for an hydraulic valve play compensation element
09/05/1989US4862845 Variable camshaft timing system
09/05/1989US4862844 Valve assembly for internal combustion engine
09/05/1989US4862843 Valve timing control device for use in internal combustion engine
08/1989
08/31/1989DE3805002A1 Cup tappet with compensation for hydraulic valve play - take-up plate hardened by plasma discharge
08/24/1989WO1989007703A1 Variable compression ratio direct injection engine
08/24/1989DE3809954C1 Device for the hydraulic opening of a lifting valve
08/24/1989DE3804333A1 Device for changing the timing angle between a machine part and a drive unit actuating the latter
08/23/1989EP0220223B1 Two-stroke engine with controlled valves
08/22/1989US4858575 Rocker arm bearing assembly
08/22/1989US4858574 Hydraulic circuit for a valve operating timing control device for an internal combustion engine
08/22/1989US4858573 Internal combustion engines
08/22/1989US4858572 Device for adjusting an angular phase difference between two elements
08/22/1989US4858295 Method of making a camshaft for reciprocating piston engines
08/17/1989DE3901967A1 Valve drive for a reciprocating valve with mechanical compensation of valve play
08/17/1989DE3901966A1 Valve drive for a reciprocating valve with mechanical compensation of the valve play
08/17/1989DE3803687A1 Gebaute nockenwelle Built camshaft
08/16/1989EP0328194A1 Potential-magnetic energy driven valve mechanism
08/16/1989EP0328010A1 Composite camshaft and its manufacturing process
08/16/1989EP0322407A4 Reciprocatory machines.
08/16/1989CN2042886U Portable high-speed diesel engine
08/15/1989US4856970 Metal-ceramic combination
08/15/1989US4856474 Valve control device
08/15/1989US4856469 Mechanical parts of valve driving mechanism for internal combustion engine
08/15/1989US4856468 Ball-and-socket joint
08/15/1989US4856467 Adjustable lash valve train for overhead valve engine
08/15/1989US4856466 Lubricant retaining finger-follower rocker arm
08/15/1989US4856465 Multidependent valve timing overlap control for the cylinders of an internal combustion engine
08/15/1989US4856370 Variable phase couplings
08/10/1989DE3737820A1 Method for operating an internal combustion engine and internal combustion engine for carrying out the method
08/08/1989US4854273 Oil pressure control apparatus for an internal combustion engine
08/08/1989US4854272 Valve operating device for internal combustion engine
08/03/1989DE3802836A1 Internal combustion engine
08/01/1989US4852527 Low noise valve train
08/01/1989CA1258017A1 Engine valve train system
07/1989
07/27/1989DE3801977A1 Internal combustion engine
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