Matches 101 - 150 out of 375 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
6148780 Hydraulic element assembly  
A hydraulic lash adjuster for disposition between a rocker arm and a valve stem of an internal combustion engine comprises a body having an axially extending neck depending from a lower end...
6119643 Tappet for a valve train of an internal combustion engine  
In a tappet (1) of a valve train of an internal combustion engine, the leakage of hydraulic medium occurring between its reception bore (6) and skirt (2) is to be reduced. To achieve this, the...
6119644 Hydraulic clearance compensation element  
A hydraulic clearance compensation element actuated by a cam of a camshaft and adapted for use with a valve drive, includes a casing closed on one end by a bottom which bears upon one end of a gas...
6116570 Electromagnetic actuator with internal oil system and improved hydraulic lash adjuster  
An electromagnetic actuator 10 is provided and includes an upper electromagnet 12, a lower electromagnet 14 spaced from the upper electromagnet and an armature 16 mounted for movement between the...
6089200 Valve tappet actuated by a CAM of an internal combustion engine  
A valve tappet actuated by a cam of an internal combustion engine comprises a cup (1) having a hollow cylindrical skirt (2) and a cup bottom (3) which closes the skirt (2) at one end. On an outer...
6089197 Electromagnetic actuator for an engine valve, including an integrated valve slack adjuster  
An electromagnetic actuator includes a housing; two spaced electromagnets disposed in the housing and having respective pole faces oriented toward one another; an armature movable between the pole...
6085704 Electromagnetically operating actuator for intake and/or exhaust valves  
An electromagnetically operating actuator includes a casing (29) that accommodates an armature (30), a valve-closing electromagnet (32), a valve-opening electromagnet (32), and a valve-opening...
6076491 Valve control mechanism  
The valve control mechanism is suitable for use in a valve train which transmits lifts from a cam (11) located on a camshaft (10) of an internal combustion engine to a cylinder head valve (217) of...
6067948 Device for actuating at least one gas exchange valve of an internal combustion engine  
A device for actuating at least one load change valve of an internal combustion engine has at least one load change valve arranged in a cylinder head of an internal combustion engine wherein the...
6065434 Tilting or drag lever with a valve clearance equalizing element  
A rocker arm or a finger lever (1) receives a valve clearance compensation element (4) in a reception bore (3). A cap (15) inserted into this reception bore (3) supports one end of an inner piston...
6053133 Tappet for an internal combustion engine valve drive  
A tappet (1) is made such that it can be coupled for different valve lifts. To assure a sufficiently rapid supply of hydraulic medium to the coupling means (10) of the tappet (1) in the base circle...
6044813 Electromagnetic actuator with detached lower collar to align with cylinder head bore  
An electromagnetic actuator is provided for mounting to a cylinder head of an engine. The actuator includes an actuator assembly including housing structure and an armature. A pair of...
6039018 Hydraulic lash adjuster with plunger inner control ring  
A hydraulic lash adjuster having, in preferred embodiments, a body carrying a reciprocable plunger defining with a closed end of the body, a high pressure oil chamber from which oil may escape...
6039017 Hydraulic lash adjuster with lash  
A hydraulic lash adjuster having a piston capable of forming a pivot for a member of an engine valve train connecting a cam and a valve includes a hydraulic lash adjusting element of varying length...
6021751 Hydraulic valve lifter with lash  
A hydraulic valve lifter for use between a cam and a valve in an engine valve train includes a hydraulic lash adjuster element of varying length for acting in the valve train between the cam and...
5979377 Hydraulic support element for a valve gear mechanism of an internal combustion engine  
A sleeve-like element (14) is arranged inside a hydraulic support element to secure against drainage. In axial direction, the sleeve-like inner element (14) bears a shoulder (13) of a piston (4),...
5975038 Pushrod for operating the valve gear mechanism of an internal combustion engine  
A tappet for the valve drive of an internal combustion engine, includes a cup-shaped housing (1) and an insert which is arranged inside the housing (1) and has an outer sleeve (4), which bears upon...
5964193 Synchronous hydraulic lash adjuster  
A system for minimizing lash in the valve components of an internal combustion engine including a lash adjuster assembly with a body having a closed bore formed therein. A piston is slidingly...
5943988 Operating arrangement for a gas change valve of an internal engine combustion engine  
In an operating arrangement for a gas change valve of an internal combustion engine including an electromagnetic structure having an armature which is connected to the valve and which forms an...
5934232 Engine valve lift mechanism  
Valve lift mechanism for an engine includes a two step variable valve lifter having roller followers for engaging multiple cams on an associated camshaft of the engine and an anti-rotation guide...
5931132 Hydraulic lash adjuster with pressure relief check valve  
A hydraulic lash adjuster mechanism for an internal combustion engine, the adjuster having a body with a bore formed therein, a plunger slidingly received within the bore, and a high pressure...
5901676 Hydraulic lash compensator  
A hydraulic lash adjuster (130) for an internal combustion engine which includes a body (132) and a plunger (134) of thin-walled construction in which features such as hydraulic fluid collector...
5870985 Cup-shaped valve tappet  
A cup-shaped valve tappet (1) for activating a gas exchange valve is provided. The tappet includes a hollow cylinder (2) and a base (3). In the interior of the cup-shaped valve tappet (1), a funnel...
5862785 Hydraulic lash adjuster and improved oil flow path therefor  
A hydraulic lash adjuster having a body (11) defining a blind bore (13) and a fluid port (35) in communication with a source of fluid pressure. Upper and lower plunger elements (17,19) are disposed...
5860398 Engine tappet  
A tappet comprises a foot having a convex cam contact surface and an axially extending hub, a tappet body having a lower body portion with a lower axial bore formed therein to receive the axially...
5855191 Metering valve for ball plunger or pushrod socket  
A hydraulic lash adjuster of the type including a ball plunger (61) defining a passage (63), or a body portion (85) defining a passage (87). A metering valve is disposed in the passage, and in...
5823151 Valve gear cam follower in an internal combustion engine  
In a switchable cam follower (1) comprising an inner element (2) and an outer element (3), with said inner element (2) comprising a hydraulic clearance compensation device (10), a coupling of the...
5775275 Valve lifter  
A valve lifter has a cam follower body with a closed end, or head from which depends concentric inner and outer cylinder surfaces. The inner cylinder surface defines a hollow cylinder having a...
5758613 Hydraulic lash adjuster and biased normally open check valve system therefor  
A hydraulic lash adjuster of the sealed leakdown type in which the plunger assembly (15) is received within a blind bore (13) defined by a body (11). The plunger assembly (15) includes upper (17)...
5727509 Cam follower in the form of a tappet or a lever having a hydraulic valve clearance compensation element  
The clearance compensation element (5) of a hydraulic tappet (1) is retained axially in cam-remote direction by an axial extension (11) of a guide element (10) which extends radially inwards from...
5709181 Rocker arm assembly  
A rocker arm and hydraulic lash adjuster assembly is disclosed. The assembly includes a shaft mounted rocker arm having a valve actuating arm portion which includes a stepped bore for slidingly...
5709180 Narrow cam two-step lifter  
A two-step valve lifter for actuation of a valve member in an internal combustion engine includes an outer cam follower, having a cam-engaging upper surface with a cylindrical body depending...
5706771 Hydraulic element assembly  
A valve actuation assembly for an internal combustion engine is disclosed in which a rotatable rocker arm assembly is actuated by an engine driven camshaft to move a poppet valve reciprocably. The...
5704319 Hydraulic clearance compensation element for valve control units of internal-combustion engines  
The invention concerns a hydraulic play-compensation element including a groove (11) in the housing (1) to be located in such a way that, whatever the position of the plunger (2), a length (19) of...
5694894 Valve control means  
The valve control means for use in an internal combustion engine has a valve member 180, a cam assembly comprising a rotatable camshaft (185) having a first portion (181) and a second portion (182)...
5680838 Swivel foot lash adjuster  
A valve actuation assembly for an internal combustion engine is disclosed in which a rotatable rocker arm assembly is actuated by an engine driven camshaft to move a poppet valve reciprocably. The...
5673662 Direct-acting hydraulic tappet with reduced aeration  
A direct-acting hydraulic tappet having a cup-like tappet body which includes a cylindrical projection extending inwardly from the base of the body and in which the hydraulic element of the tappet...
5673657 Direct-acting hydraulic tappet with roller follower  
A direct-acting hydraulic tappet which includes a roller cam follower which is received in a plastic block mounted in a piston slidingly received within the tappet body. The plastic block includes...
5664530 Tappet for a valve drive of an internal combustion engine  
A tappet (1) for a valve drive of an internal combustion engine, which tappet (1) is guided for axial displacement in a reception bore of a cylinder head by a skirt (3) and is closed by a bottom...
5651335 Valve tappet  
A two-part tappet is designed to be adaptable to different cam contours. Radial bores (11, 12) are provided in the base sections (2, 3) for receiving at least one radially shiftable piston (13) for...
5636604 Tappet for a valve drive of an internal combustion engine  
A tappet (1) for a valve drive or an internal combustion engine comprising a hollow cylindrical housing (2) guided for axial displacement by a jacket (3) thereof in a reception bore (4) of a...
5632237 Hydraulic lash compensating element assembly  
A hydraulic lash element compensating assembly mounted in the valve end of a rocker arm or other valve actuating device. The hydraulic last compensating element compensates for any clearance in the...
5623898 Variable duration hydraulic valve lifters  
Variable duration hydraulic lifters having either the conventional flat bottom surface or a roller mounted in their bottom end for engagement with a cam. The unique plungers have an upper portion...
5595149 Method of first filling of a hydraulic valve actuating device  
A method of leakproof first filling of a hydraulic valve actuating tappet (1) with hydraulic oil, a) comprising almost completely filling the central oil reservoir (7) together with a high...
5572963 Hydraulic tappet  
A hydraulic tappet includes a cam sliding portion, a skirt portion and a spring holding portion. The structure has an arrangement that the cam sliding portion is made of ceramic and oil is reserved...
5555861 Drive for gas exchange valves, preferably inlet valves for reciprocating internal combustion engines  
A valve drive for controlling gas exchange valves of an internal combustion engine having a cylinder head, a valve stem and a longitudinal tappet axis including a camshaft having a first cam with a...
5553512 Roller tappet having yoke member with flat top plate  
Roller tappet can be manufactured with less machining steps to reduce the manufacturing cost. The tappet case consists of two members, i.e. case member and yoke member for supporting a roller....
5501187 Connection of a guide rail of a valve actuation device with a camshaft bearing  
A device for the simultaneous actuation of two gas exchange valves (2) of an internal combustion engine comprising a bridge (6) guided movably along a guide rail (8) which, with the interposition...
5431133 Low mass two-step valve lifter  
A low mass two-step valve lifter has concentric inner and outer cylindrical cam followers engagable by radially disposed axially aligned lock pins in the outer high lift follower. Both inner and...
5398648 Compact valve lifters  
Compact valve lifters are disclosed for overhead camshaft engines with direct acting valve gear and for engines with indirect acting valve actuation such as push rod actuated overhead valves. Two...
Matches 101 - 150 out of 375 < 1 2 3 4 5 6 7 8 >