Matches 151 - 200 out of 375 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
5385124 Roller follower axle  
A hydraulic roller tappet for an internal combustion engine wherein the tappet body is formed of hardenable cast iron, the roller axle is formed of a through hardened steel and wherein the axle...
5379730 Cup-shaped valve tappet  
A cup-shaped valve tappet (1,25) for actuating a valve of an internal combustion engine, comprising a cylindrical jacket (2,26) closed at one end by a bottom (3,27) and on whose outer peripheral...
5365897 Mechanical valve tappet  
The novel mechanical valve tappet of the invention arranged in a guide bore of a cylinder head of an internal combustion engine is comprised of a cup-shaped housing with a hollow cylindrical wall...
5351662 Valve control means  
The invention relates to a valve control system for a push-rod internal combustion engine. The valve control system includes a cam including a rotatable cam shaft having a first cam member and a...
5347963 Lash adjustment system for an internal combustion engine  
A lash adjusting system for internal combustion engines which can adjust valve clearances of intake and exhaust valves by only one lash adjuster, in which the lash adjusting system for a combustion...
5327860 Hydraulic tappet-clearance compensating arrangement for a cam-controlled valve lifter  
A hydraulic tappet-clearance compensating arrangement having no check valve includes an outer cylinder formed with a cup tappet and a piston axially displaceable in the outer cylinder and forming a...
5320074 Direct acting hydraulic tappet  
A direct acting hydraulic tappet including a one piece body shell having an outer cylinder, an inner cylinder and a plurality of integral axially extending webs that connect the outer cylinder and...
5295460 Hydraulic valve play equalization element  
A hydraulic valve play equalization element for the valve drive of an internal combustion engine is disclosed. The equalization element comprises an inner tappet and an outer tappet arranged to...
5280771 Direct acting hydraulic tappet  
A direct acting hydraulic tappet and a method for making same in which an oil groove and interior structure defining a weld interface are formed in a cup-shaped body by a rolling process, the body...
5273005 Enlarged shaft roller lifter with retention means  
A roller valve lifter, especially of the hydraulic lash adjusting type for diesel engines, has an enlarged bronze roller shaft journal for extended wear with a diameter at least half that of the...
5261361 Assembly for simultaneously actuating two valves of an internal combustion engine  
In an assembly for simultaneously actuating two valves (2) of an internal combustion engine, comprising a beam-shaped bridge (6) in end regions whereof hydraulic lash adjusters (5) are lodged which...
5245958 Direct acting hydraulic valve lifter  
An improved direct acting hydraulic valve lifter (DAHVL) has features including reduced dead oil storage with lower mass and faster filling, improved air venting, internal oil recirculation and...
5239953 Hydraulic tappet for an internal combustion engine  
A hydraulic tappet comprises a body which comprises an outer tube, an inner tube and an upper portion which connects the two tubes at the upper end. Within the inner tube, there are provided inner...
5230308 Low mass direct acting hydraulic valve lifter  
A direct acting hydraulic valve lifter features in a preferred embodiment a follower assembled with a thin wall metal shell and a light plastic baffle to support a lash adjusting hydraulic element...
5183016 Hydraulic valve clearance compensator  
A hydraulic valve clearance compensator for an internal combustion engine. The compensator has a housing shaped essentially like an upside-down cup with a flat base. The housing slides up and down...
5168840 Temperature compensated damping mechanism for hydraulic engine valve actuator  
A hydraulic engine valve actuator utilizes a highly thermally expandable material in the damping piston to control the damping of the piston when the engine valve is closing. The expandable...
5159907 Hydraulic valve lifter  
A hydraulic valve lifter for the mechanism that activates a valve in an internal combustion engine. It comprises two hollow cylinders sealed off from each other with caps over their opposite ends...
5129374 Hydraulic tappet  
A hydraulic tappet is provided with an outer reservoir extending for 360° on two levels, thus causing air bubbles in the oil supplied thereto to remain on the upper level of the outer reservoir....
5129372 Cup tappet body for valve tappets  
To create a cup tappet body for valve tappets comprising a cylindrical guide body, a tappet bottom and an element carried by the tappet bottom for holding a valve support, which can be manufactured...
5129373 Self-contained hydraulic lash adjuster with pressurizing diaphragm  
A self-contained lash adjuster includes a closed end cylinder body and a plunger in the cylinder defining a pressure chamber at the closed end of the cylinder and an internal reservoir connected...
5117787 Self-adjusting hydraulic valve tappet  
A self-adjusting hydraulic valve tappet arranged in a guide bore of a cylinder head of an internal combustion engine and comprising a cup-shaped housing which surrounds a hollow cylindrical wall...
5107806 Hydraulic valve-clearance compensating element for internal combustion engines  
A hydraulic valve-clearance compensating element for internal combustion engines in which an internal valve stem is capable of being axially shifted relative to an external stem such that, together...
5088458 Lash adjusted for engine valve actuator assembly  
A valve damping piston and a cam follower piston have telescopic sliding fits in opposite ends of a through-bore in the lifter housing. A pressure chamber is cooperatively defined within the...
5081976 Bucket tappet for an internal combustion engine with overhead camshaft  
A bucket tappet for an internal combustion engine with overhead camshaft comprises a hollow cylindrical tappet shank made of an aluminum material which is closed at one end by a baseplate made of a...
5070827 Low mass valve lifters  
Low mass hydraulic and mechanical valve lifters are shown and described. The lifters are of oblong configuration for reduced mass, with straight or narrowed sides connecting longitudinally spaced...
5029560 Oil pressure lash adjuster of a directly acting type  
A directly acting lush adjuster includes an oil pressure unit located in the adjuster housing and forming a main reservoir. The housing forms a sub-reservoir surrounding said oil pressure unit. To...
5022361 Valve-lash adjustment system  
The valve-lash adjustment system 10 includes a load-carrying spacer means 82 adjacent the hydraulic valve-lash assembly which is interposed between said hydraulic valve-lash assembly and said free...
5018488 Hydraulic tappets  
A hydraulic tappet for an internal combustion engine has a collar located axially on a valve stem, the outer periphery of the collar slidably engaging a cylindrical bore which is coaxial with the...
5007388 Hydraulic valve lifter  
A hydraulic valve lifter is disclosed which does not require a source of pressurized lubricating fluid, and is particularly suitable for engines using a splash lubrication system. The engine...
5005541 Hydraulic valve lifter  
A hydraulic valve lifter for use in an internal combustion engine, comprises an inverted cup-like body, an inverted cup-like plunger housed within the body, a high pressure chamber defined between...
4995353 Valve train with lash/compliance compensation  
Modified cams and cam followers are designed to remove lash arising from clearances and compliance in valve train components. The cam followers have a crowned cam contacting surface having a crest,...
4991550 Oil pressure rush adjuster of a directly acting type  
A sealing device is provided on the outer circumference of an oil pressure unit of the oil pressure rush adjuster, or on the partitioning wall of a sub-reservoir surrounding the oil pressure unit,...
4986166 Hydraulic valve lash adjuster  
The present invention relates to a hydraulic valve lash adjuster with which a cam engages directly and in which an oil-introducing chamber can be easily cleaned by a fluid or gas jet stream. In the...
4977867 Self-adjusting variable duration hydraulic lifter  
A self-adjusting variable duration hydraulic lifter utilizes two plungers within the cylindrical lifter body which move together to shorten the overall top-to-bottom length of the internal plunger...
4976230 Valve mechanism, preferably for an internal combustion engine, having pressure medium supply passage  
In the embodiments disclosed in the specification, a valve mechanism, preferably for an internal combustion engine, includes a valve spring guide sleeve which receives a cup plunger and has a...
4951619 Self-adjusting hydraulic valve tappet  
A self-adjusting hydraulic valve tappet arranged in a guide bore of a cylinder head of an internal combustion engine and against one end face of which a control cam abuts and which on the other...
4945871 Hydraulic valve lifter for internal combustion engine  
A valve lifter employs a plunger head to be coupled with a seat plunger. The plunger head is provided an upper end surface mating with a surface of an upper end wall of a lifter body so that the...
4941438 Hydraulic valve-lash adjuster  
A hydraulic valve-lash adjuster has a cylindrical reservoir case provided in a cylindrical head of an engine, and a cylindrical body secured in the reservoir case. A reservoir chamber is formed...
4924825 Outer guide means for a valve tappet  
An outer guide means for a valve tappet receiving an automatic, hydraulic earance compensation element of use in internal combustion engines, the tappet being disposed directly between a cam of a...
4924821 Hydraulic lash adjuster and bridge assembly  
An engine valve bridge assembly, or the like, contains an improved lash adjuster assembly including a follower body, such as in a known lash adjuster hydraulic element assembly, in an improved...
4917059 Valve lash adjuster  
A valve lash adjuster has a body generally having a bottomed cylindrical shape and formed with a high pressure chamber and with a supply hole for supplying operating oil to a cylinder portion, and...
4913106 Variable duration valve lifter improvements  
Improvements are provided to the variable duration lifter, and the valve train of which the lifter is a part, which have the effect of reducing the tapping noise of the valves at low RPM, which is...
4913105 Hydraulic lash adjuster  
A hydraulic lash adjuster comprising: a body having a blind longitudinal bore and an outer diameter; a plunger slidably fitted in said bore having an end extending therefrom, said plunger defining...
4889085 Valve operating device for internal combustion engine  
A valve operating device for an internal combustion engine that includes a valve piston having one end facing into a damper chamber and the other end operatively coupled to an intake or exhaust...
4881499 Hydraulic play compensating element  
A hydraulic play compensating element adapted to be positioned in the valve train of an internal-combustion engine is described which comprises a cylinder part closes at one end and a piston part...
4876997 Self-adjusting hydraulic valve tappet  
A self-adjusting hydraulic valve tappet arranged in a guide bore of a cylinder head of an internal combustion engine against whose one end face a cam abuts and whose other end face lies against a...
4876994 Hydraulic play compensation element  
A hydraulic play compensation element for the drive of a valve of an internal combustion engine with a housing in which a hollow piston is mounted such as to be acted upon, via a non-return valve,...
4867113 Reduced friction engine tappet construction  
An engine tappet is constructed with flat, essentially parallel or conformal bearing surfaces internal of its case for the introduction during no-load operation of a lubricant under pressure to the...
4864982 Inner element for an hydraulic valve play compensation element  
A novel inner element for hydraulic valve play compensation element for irnal combustion engines comprised of a cylindrical element (1) closed at one end, (2) a piston element (3) guided therein...
4840153 Hydraulic lash adjuster  
A lash adjuster has a plunger assembly comprising a plunger and a plunger cap. A separator is provided in the plunger cap to prevent the air mixed in the introduced oil from flowing into a...
Matches 151 - 200 out of 375 < 1 2 3 4 5 6 7 8 >