|
Match
|
Document |
Document Title |
|
|
8161936 |
Internal combustion engine having a motor brake assembly
An internal combustion engine includes an exhaust valve for removing exhaust gas from a combustion chamber and an engine braking device with a hydraulic valve control unit by which the exhaust...
|
|
|
8151752 |
Deactivating hydraulic lash adjuster for oriented mounting in an engine
A deactivating hydraulic lash adjuster comprising a pin housing slidably disposed in a body and having at least one lock pin disposed in a transverse bore for extending into a receiver feature in...
|
|
|
8136493 |
Lash adjuster
A lash adjuster is provided which includes a cylindrical housing having an open top and formed with an internal thread on an inner periphery thereof, a screw rod having an external thread formed on...
|
|
|
8082896 |
Switchable support element for a valve train of an internal combustion engine
A switchable support element for a valve train of an internal combustion engine, comprising a housing that can be arranged with an outer peripheral wall in a reception of the internal combustion...
|
|
|
8056524 |
Lash adjuster
A return spring is formed using a compression coil spring that is installed so that its axial direction is an up-down direction. The return spring is provided in a high-pressure chamber, and powers...
|
|
|
8037857 |
Hydraulic support element for a switchable cam follower of a valve drive of an internal combustion engine
A hydraulic support element for a switchable cam follower of a valve drive of an internal combustion engine, which has a pot-like housing with a bore, a pressure piston formed in one piece with an...
|
|
|
8001940 |
Switchable bucket tappet
A switchable bucket tappet for a valve drive of an internal combustion engine, which has a bucket base body with a ring-shaped base guided by a skirt projecting from the outer edge of the base in a...
|
|
|
8001941 |
Lash adjuster
A lash adjuster for a valve gear includes a plunger movable upward and downward and including a high-pressure chamber, a leak path defined by an inner circumferential surface of a body and an outer...
|
|
|
7942118 |
Oil system for active fuel management on four valve engines
An oil system for selectively deactivating valves for specified cylinders of an internal combustion engine includes a cylinder head having a lash adjuster oil passage and a cylinder deactivation...
|
|
|
7931001 |
Valve train of an internal combustion engine having a cylindrical valve tappet
The invention proposes a push-rod valve train having an adjustable valve tappet (1). This has an outer part (2a, 2b), an inner part (8) and a lost-motion spring (10), which forces the inner part...
|
|
|
7921823 |
Hydraulic play compensation device
The hydraulic play compensation device, having an outer cylinder part which is closed on one side by a base and in which a piston element which lies on its inside is guided so as to be...
|
|
|
7918202 |
Variable valve lift apparatus
A variable valve apparatus includes a high lift cam and a low lift cam in parallel with the high lift cam. A tappet body includes a high lift tappet body that constantly contacts the high lift cam,...
|
|
|
7900591 |
Switchable component for a valve train of an internal combustion engine
The invention proposes a switchable component (1) for a valve train of an internal combustion engine, said component (1) comprising a housing (2) in whose bore (3) an axially displaceable inner...
|
|
|
7891329 |
Compact lash adjuster feed channel apparatus
The apparatus of the present invention provides a lash adjuster feed channel for an engine assembly. The engine assembly includes first and second sets of hydraulic lash adjusters responsive to a...
|
|
|
7878169 |
Cam roller pin with transverse grooves
A roller pin for carrying a cam roller in a tappet assembly is provided. The roller pin providing reduced run in time and reduced peak and localized contact pressure between the cam roller and...
|
|
|
7856953 |
Dual valve lifter assembly
The dual valve lifter assembly has a dual valve lift with two hydraulic lash adjusters therein and a guide for orienting and preventing rotation of the dual valve lifter. The guide has four ledges...
|
|
|
7845327 |
Hydraulic lash adjuster with damping device
A system and method for lash adjustment in the valvetrain of an internal combustion engine include a hydraulic lash adjuster having a damping device to limit rate of movement of a plunger relative...
|
|
|
7827952 |
Variable tappet
A variable tappet includes a tappet body; a variable portion in the tappet body, configured to open and close a valve; and a control portion to maintain the variable portion in either a first...
|
|
|
7819100 |
Internal combustion engine with intake valves having a variable actuation and a lift profile including a constant lift boot portion
An internal combustion engine is equipped with a variable actuation system for the intake valves, including a chamber of fluid under pressure interposed between the intake valve and the respective...
|
|
|
7810461 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Lash adjuster
A return spring is formed using a compression coil spring that is installed so that its axial direction is an up-down direction. The return spring is provided in a high-pressure chamber, and powers...
|
|
|
7793626 |
Hydraulic cam follower
A hydraulic cam follower (1), such as a roller tappet, is provided. This is used for the actuation of two identically operating gas-exchange valves and should be installed inclined to the direction...
|
|
|
7762224 |
Switchable support element for a valve train of an internal combustion engine
A switchable support element (1) comprising a housing (2) in whose bore (4) an axially displaceable pressure piston (7) extends, said support element (1) comprising at least one coupling element...
|
|
|
7730858 |
Hydraulic valve actuation systems and methods to provide variable lift for one or more engine air valves
Hydraulic valve actuation systems and methods to provide variable lift for one or more engine air valves by way of a variable position hard stop. Various embodiments are disclosed, including...
|
|
|
7644693 |
Open ended mini lash adjuster
A hydraulic lash adjuster (17;61;81) in which the body (19) defines a body bore (39) extending over substantially the entire axial length of the body, thus making it possible to finish the bore...
|
|
|
7637238 |
Hydraulic valve play compensating element
A hydraulic valve play compensating element for generating valve play compensation for a gas exchange valve in a valve operating mechanism of an internal combustion engine, having a piston housing...
|
|
|
7464678 |
Hydraulic lash adjuster
A hydraulic lash adjuster includes a cylindrical body having a central cylindrical bore. A hollow plunger is reciprocable in the bore and includes a reservoir chamber therein. The plunger has a...
|
|
|
7464680 |
Switching element for a valve train of an internal combustion engine
The invention proposes a switching element (1) for a valve train of an internal combustion engine, particularly for valve deactivation, with a simple-to-implement measure for adjusting the coupling...
|
|
|
7464679 |
Hydraulic lash adjuster
What is proposed is a hydraulic lash adjuster (1), for example for a valve train of an internal combustion engine. The lash adjuster (1) comprises a hollow cylindrical housing (2) that is...
|
|
|
7458352 |
Switchable valve drive element of an internal combustion engine
A switchable valve drive element of an internal combustion engine can be actuated hydraulically. A valve tappet which can be displaced axially in a bore of the machine housing by the cam of a...
|
|
|
7455040 |
Hydraulic circuit for switchable cam followers
An oil distribution system for an internal combustion engine comprising a longitudinal bore in the engine head or block connected to an engine oil pump. A longitudinal insert is disposed in the...
|
|
|
7434557 |
Hydraulic valve clearance compensation element
A hydraulic reverse spring valve clearance compensation element (RSHVA) for a valve train of an internal combustion engine comprising: a housing (2), which has a blind bore (3), in which a piston...
|
|
|
7421994 |
Hydraulic lash adjuster having a check valve cartridge sub-assembly
An improved hydraulic lash adjuster including a cup-shaped adjuster body, and a plunger assembly disposed within the adjuster body. The plunger assembly includes a stepped axial bore extending from...
|
|
|
7409941 |
Valve-deactivating hydraulic lifter having a vented internal lost motion spring
A deactivating hydraulic valve mechanism includes a hydraulic element assembly disposed within cup within a pin housing slidably disposed within a bore in a body. A transverse bore in the pin...
|
|
|
7395792 |
Deactivation roller hydraulic valve lifter
A deactivation valve lifter includes a lifter body. The lifter body has a first end configured for engaging a cam of an engine and at least one annular pin chamber. A pin housing includes a pin...
|
|
|
7380531 |
Variable valve drive for changing the control timing of cam-actuated gas-exchange valves
A variable valve drive for changing control timing of cam-actuated gas-exchange valves of an internal combustion engine is provided, with a tappet (6a, 6b, 6c), which, with convex cam engaging...
|
|
|
7350492 |
Guide gib for the valve operating mechanism of an internal combustion engine
In a guide gib for the valve operating mechanism of an internal combustion engine, having holding spaces (12, 13), which are arranged in the gib (8) at intervals one behind the other, for valve...
|
|
|
7328676 |
Hydraulic valve play compensation element
A hydraulic valve play compensation element for an internal combustion engine is provided as a reverse-spring/free-ball element, with a cylindrical housing, a cylindrical piston (21) guided therein...
|
|
|
7322329 |
Assembly process for hydraulic valve lifters to reduce variation in valve lift
Valve lift variation associated with a deactivation roller hydraulic valve DRVHL (DRHVL) can result in unacceptable valve overlap and idle conditions for an internal combustion engine. Two sources...
|
|
|
7299778 |
Switchable cam follower
The invention proposes a switchable cam follower (1) for a valve train of an internal combustion engine, said cam follower comprising two elements (2, 3) telescoped into each other and, axially...
|
|
|
7273026 |
Roller follower body
The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner...
|
|
|
7261075 |
Hydraulic support element
The invention relates to a hydraulic support element (1) for a valve gear for an internal combustion engine. Said element consists of a cylindrical hollow case (2) in whose bore hole (3) a pressure...
|
|
|
7246590 |
Valve train of an internal combustion engine comprising a tappet and a tappet pushrod
The invention proposes a valve train (1) of an internal combustion engine comprising a tappet (7) and a tappet pushrod (1) that is actuated by said tappet (7), said tappet pushrod (1) being at...
|
|
|
7246584 |
Force-transmitting arrangement for a valve train of an internal-combustion engine
A force-transmitting arrangement (4) for a valve train (1) of an internal-combustion engine (2) is provided with hydraulic valve play compensation device (6) with a hollow cylindrical compensation...
|
|
|
7243629 |
Hydraulic valve lifter assembly
A hydraulic valve lifter assembly including a lifter body and a cam follower. The cam follower is mounted to an end of the lifter body wherein the lifter body has a first diameter over a first body...
|
|
|
7219639 |
Drag lever of a valve mechanism in an internal combustion engine
Disclosed is a drag lever (1) comprising two side walls (2, 3) which are connected together by a transversal bar (4) which is arranged on an end (6) of the lower side (5) thereof on an end (6)...
|
|
|
7210438 |
Internal combustion engine having valves with variable actuation each provided with a hydraulic tappet at the outside of the associated actuating unit
In an internal combustion engine with variable actuation valves, each variable actuation valve is actuated by an actuator assembly including an actuating piston slidably mounted in a guide bushing....
|
|
|
7207303 |
Switching element
A switch element (1) is proposed for valve shut-off, fabricated as cam follower for a plunger rod valve drive of an internal combustion engine, having an outer part (2) and an inner element (4)...
|
|
|
7146953 |
Mechanical valve play compensation element for a valve drive on a piston combustion engine
The invention relates to a mechanical valve play compensation element for a valve drive on a piston combustion engine, comprising a first pressure part (1) which is axially displaceable in relation...
|
|
|
7146955 |
Hydraulic tappet clearance compensation device
The invention relates to a hydraulic tappet clearance compensation device (1) for a valve gear of an internal combustion engine, the high pressure chamber (8) of which device can be rapidly and...
|
|
|
7146954 |
Hydraulic valve-lash-adjusting element
A reverse spring hydraulic valve-lash-adjusting element for the valve train of an internal combustion engine having a plunger (1), in the plunger head (2) of which a control valve (5) is arranged,...
|