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Match Document Document Title
9010291 Lash adjuster  
A lash adjuster includes a body formed into a bottomed cylindrical shape, a plunger movably inserted into the body and having a peripheral wall having an oil passage hole, and a partitioning...
8813705 Hydraulic support element  
A hydraulic support element having a housing, a pressure piston, a high pressure chamber for a hydraulic means extending between a bottom face of the pressure piston and a bottom of the housing,...
8800520 Hydraulic lash adjuster, a valve train comprising the same and a method of assembling the same  
A hydraulic lash adjuster includes a body and a plunger assembly slideably mounted with respect to the body. A first chamber is defined by the body and the plunger assembly and is configured to...
RE44864 Switching element for a valve train of an internal combustion engine  
In a switching element (1) for a valve train of an internal combustion engine for switching to different valve lifts, said switching element (1) comprising an outer element (2) having an inner...
8695551 Hydraulic lash adjuster including band of radial recirculation openings  
A hydraulic lash adjuster includes a body defining an axial bore and having an open end and a closed end. A hollow piston is telescopically received within the axial bore and defines a fluid...
8651075 Engine assembly including camshaft with independent cam phasing  
An engine assembly may define first and second combustion chamber and may include a camshaft having a first lobe region engaged with the first valve arrangement and a second lobe region engaged...
8651079 Deactivating hydraulic valve lash adjuster/compensator with temporary lash compensation deactivation  
A valve operating mechanism includes a pin housing housed in a lash adjuster and a lash adjustment chamber. A sync pin is slidably received within the housing between an activating position and a...
8622036 Engine including cylinder deactivation assembly and method of control  
A method is provided for operating an engine assembly having a hydraulically actuated component. The method may include providing pressurized oil from a pressurized oil source to an oil passage in...
8596234 Electro-hydraulic variable valve lift apparatus  
An electro-hydraulic variable valve lift apparatus may includes a housing having a housing protruding portion is formed therewithin, a driving cam, a pump piston which forms a main chamber with...
8573171 Lost motion valve control apparatus  
A valve control device for an internal combustion engine with an engine valve and a camshaft having a cam profile including a first lift profile is disclosed. The device includes a first body and...
8555833 Valve clearance compensation device and method for controlling a valve clearance compensating device for an internal combustion engine  
In a clearance compensating device for an internal combustion engine with an internal part movably arranged within a guide duct of an external part for adjusting a clearance of an associated valve...
8544435 Hydraulic valve lifter pushrod seal  
A hydraulic valve lifter apparatus including a seal at the interface of a pushrod seat and a pushrod is provided herein. In one form, the hydraulic valve lifter apparatus includes a body, a piston...
8490590 Hydraulic lash adjuster for internal combustion engine  
A hydraulic lash adjuster capable of retaining a Large amount of hydraulic oil in a reservoir communicated with a high-pressure chamber when the engine is stopped. The hydraulic lash adjuster...
8474426 Roller lifter assembly  
A roller lifter assembly has a lifter body with a leg extending outwardly therefrom, a bar having a elongated slot formed therein, a first rivet having a head and a shank, a button affixed to the...
8468985 Electro-hydraulic variable valve lift apparatus  
An electro-hydraulic variable valve lift apparatus may include a housing, a master portion which is slidably disposed to the housing and contacts a cam, a first oil supply portion which supplies...
8453613 Valve actuation system with valve seating control  
A variable valve actuation system to actuate and control the seating velocity of an internal combustion engine valve is disclosed. The system comprises: a housing having a bore formed therein; an...
8342145 Lifter retainer  
A lifter retainer including a central body portion connected to both a left bank of lifter retaining arms and a right bank of lifter retaining arms. The lifter retainer may be adapted to engage a...
8316809 Two-mode valve actuator system for a diesel engine  
A two mode valve lifter for Diesel engines which varies the compression ratio between higher for cold starting and other selected operating conditions, and lower for warmed-up running. This is...
8281759 Anti-rotation locking mechanism for controlling mechanical play  
The antirotational, mechanical lash control mechanism for two reciprocating bodies having opposing cylindrical surfaces uses a radial U-shaped groove in the outer surface of the outer housing; a...
8240285 Switchable cup tappet  
A switchable bucket tappet for a valve drive of an internal combustion engine, which has a bucket basic body with a ring-like base. A hollow-cylindrical projection protrudes from an inner edge of...
8215276 Compact switchable hydraulic lash adjuster with hydraulic lost motion assist  
An improved deactivation hydraulic lash adjuster wherein the prior art lost motion spring or springs formerly located within the body of the DHLA and below the pin housing are either omitted...
8201533 Lash adjuster and valve apparatus  
A lash adjuster includes a plunger inserted into a body and defining a pressure chamber in the body, and a spacer. The plunger is moved axially when a working fluid flows into or out of the...
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...
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...
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...
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...
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...
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...
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...
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...
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...

Matches 1 - 50 out of 419 1 2 3 4 5 6 7 8 9 >