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Class 123/90.59 - With provision for horizontal positioning


Subclass of Class 123 - Internal-combustion engines
Definition: Device wherein the reciprocating hydraulic adjusting means
No. of patents: 25
Last issue date: 07/20/2010


NumberTitleIssue Date
7757648Switchable valve train member
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 housing bottom. The pin housing bottom defines at least one pin stop ape...
07/20/2010
7484489Dual oil feed structure of cylinder de-activation engine for vehicle
Disclosed is a dual oil feed structure of a cylinder de-activation engine for a vehicle, comprising: (a) a main oil hole supplying oil to a hydraulic lash adjuster to adjust a valve gap; and (b) a sub oil hole supplying oil to a roller finger follower which operates...
02/03/2009
7464680Switching 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 lash of its coupling means (8) in a receptacle (6
12/16/2008
7409941Valve-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 housing contains selectively-retractable locking pins that engage a lockin...
08/12/2008
7401584Adjustable engine
A switchable cam follower (1) is proposed which serves to transmit a cam stroke in a variable manner from a cam to valve timing mechanism elements of an internal combustion engine. The cam follower (1) comprises substantially a cylindrical inner part (...
07/22/2008
7389757Force-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) with hydraulic valve play compensation device (6) with a hollow cylindrical compensation piston (15) is provided. The compensation pist...
06/24/2008
7350486Variable valve actuation mechanism
The present invention discloses a variable valve actuation mechanism, characterized in that movement of a sliding block is controlled for selectively receiving a driving force exerted from an actuating mechanism so as to control lift, such as higher or lower lift, o...
04/01/2008
7308879Deactivation 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 housing bottom. The pin housing bottom defines at least one pin stop ape...
12/18/2007
7299778Switchable 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 displaceable relative to each other. A bore (4) com...
11/27/2007
7296548Deactivation 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 housing bottom. The pin housing bottom defines at least one pin stop ape...
11/20/2007
7273026Roller 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 surface configured to house a cylindrical insert the second cavity i...
09/25/2007
7210439Switching 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 lash of its coupling means (8) in a receptacle (6
05/01/2007
7207303Switching 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) axially movable in its bore (3) and with rot...
04/24/2007
7156062Valve 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; a lost motion system disposed in the housing; a rocker arm having a first contact surface, a second co...
01/02/2007
7137374Adjustable hydraulic valve lifter
An adjustable hydraulic valve lifter has a lifter body and an internal cylindrical body. The lifter body has a first longitudinally cylindrical internal bore and a first substantially closed lower end, and the internal cylindrical body is axially slideable and rotat...
11/21/2006
7104232Deactivation 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 housing bottom. The pin housing bottom defines at least one pin stop ape...
09/12/2006
7055479Coupling mechanism
The invention proposes a coupling mechanism (1) for relatively movable elements (2, 3) of a switchable cam follower (4) of a valve train of an internal combustion engine, a high lift being obtainable upon coupling of said elements (2, 3) ...
06/06/2006
6976463Anti-rotation deactivation valve lifter
A valve deactivation lifter including means for restricting relative rotation between the pin housing and the lifter body. When used in a V-style or slant engine, a prior art deactivation lifter can be subject to oil drainage during engine shutdown if the oil supply...
12/20/2005
6814040Deactivation roller hydraulic valve lifter
A deactivation valve lifter includes a lifter body. The body defines at least one annular pin chamber therein. The lifter body has a first end configured for engaging a cam of an engine. A pin housing includes a pin housing wall and pin housing bottom. The pin housi...
11/09/2004
6805085Hydraulic system for an internal combustion engine
A hydraulic system (1) for a switchable valve drive element (10) of an internal combustion engine (33) is provided and includes a throttled connection (13) created from a second channel (9), used to actuate a hydraulic play-compens...
10/19/2004
4567862Hydraulic lifter device
The hydraulic lifter device for use in a valve train mechanism of an internal combustion engine comprises a body having a reservoir chamber of circular configuration therein, a plunger slidably positioned within the body to thereby form a leak clearance t...
02/04/1986
4541374Hydraulic lifter for internal combustion engine
A hydraulic lifter for an internal combustion engine which includes a cylindrical body installed horizontally or nearly horizontally, having an oil inlet port on the surface of the body; a plunger slidably inserted into the body; a push rod seat inserted ...
09/17/1985
4541373Oil lash adjuster
A sealed type oil rush adjuster for the valve of a 4-cycle engine, having a liquid seal formed of a diaphragm which is mounted over the outer surface of the plunger, partitioning off a reservoir chamber. The diaphragm is pressure fitted by means of a perf...
09/17/1985
4470382Valve lash adjuster for an internal combustion engine
A valve lash adjuster for a horizontally opposed engine in which valves are horizontally disposed and the adjuster for each valve is also horizontally disposed. The adjuster has a cylindrical body and a hollow plunger. The tip end of the plunger engages w...
09/11/1984
4184464Recirculation groove for hydraulic lash adjuster
A hydraulic lash adjuster includes a body having a closed end, a chamber and an open end. A hollow plunger is positioned within the body chamber and has a portion extending outwardly therefrom. A high pressure chamber is formed between the closed end of t...
01/22/1980
 
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