Matches 1 - 50 out of 103 1 2 3 >


Match Document Document Title
8104441 Cam follower for a valve drive of an internal combustion engine  
A cam follower for a valve drive of an internal combustion engine. The cam follower has a housing and a cam roller. The cam roller is arranged between the side walls of the housing and is mounted...
8087391 Apparatus and methodology for rocker arm assembly  
One possible embodiment of the invention is essentially an apparatus and methodology for mounting a rocker arm assembly to a cylinder head of an internal combustion engine comprising of at least a...
8037601 Manufacturing method for rocker arm  
The present invention provides a rocker arm manufacturing method capable of stably forming valve stem guide walls. In the method according to the present invention, an intermediate product 13...
8025037 Valve gear and rocker ARM unit  
A valve gear comprises a cylinder head, a supporting member fixed to the cylinder head, a rocker arm which is mounted on the supporting member so as to be placed on the latter, a substantially...
8006662 Inner lever for a switchable finger lever of a valve train of an internal combustion engine  
An inner lever (1) for a switchable finger lever (2) of a valve train of an internal combustion engine is provided, having a box-like main part (5) with two lateral walls (6), which are connected...
8006661 Bridge and pivot foot arrangement for operating engine cylinder valves  
An internal combustion engine has one or more engine cylinders (12) within which fuel is combusted and a pair of cylinder valves (14, 16) spring-biased (22, 24) closed but open in unison to place...
7854215 Valve train with overload features  
A valve train for use in an engine is provided. The valve train includes a rocker arm assembly having a valve side arm and a cam side arm. A valve is coupled to the engine and is in contact with...
7836860 Engine rocker arm  
A rocker arm includes a first end including a substantially horizontal wall having a receptacle formed therein. A second end of the rocker arm is spaced from the first end and includes a...
7827951 Gas exchange valve actuating apparatus  
In a gas exchange valve operating apparatus with at least one overhead camshaft for actuating the gas exchange valves, with a hydraulic medium supply passage extending through the camshaft and with...
7797830 Method of making an outer lever of a switchable finger lever  
According to the present invention, an outer lever (1) of a finger lever (2) that can be switched to different lifts for at least one gas exchange valve is made by a deep drawing method. A salient...
7788805 Method for manufacturing rocker arm  
The present invention provides a rocker arm manufacturing method capable of improving the durability and excellent in productivity. In the method according to the present invention, an intermediate...
7761988 Method of making an outer lever of a switchable finger lever  
According to the present invention, an outer lever (1) of a finger lever (2) that can be switched to different lifts for at least one gas exchange valve is made by a deep drawing method. A salient...
7739990 Method and apparatus for adjusting engine valve clearance  
A rocker arm is mounted to an eccentric shaft. The shaft has a pair of ends which are mounted to corresponding supports. The shaft has a rocker arm seat portion which is eccentric to the end...
7721695 Connection element for the secure fixing of a lever-type cam follower  
Connecting element (10) retains cam follower (2), which actuates gas-exchange valve (4) of an internal combustion engine, on support element (6). Support element (6) has spherical end (7) on...
7694659 Rocker arm  
A rocker arm formed of material in a shape of sheet has a pair of side wall portions, a connection portion for a valve stem receiving portion and a connection portion for a pivot receiving portion...
7686085 System, method, and apparatus for sleeved tensioner rod with annular adhesive retention  
A corrosion-resistant alloy tube is formed and bonded to a pre-machined steel alloy rod to form a riser tensioner cylinder rod. During assembly, an epoxy is injected into an annular space between...
7673605 Rocker arm and method of manufacturing same  
A rocker arm that is rockably attached to a cylinder head actuates a valve by a guide groove that is formed at an end thereof engaging with an upper end of a valve stem, and a roller that is...
7644694 Collapsible pushrod assembly and method of installing a collapsible pushrod assembly  
A rocker box, pushrod assembly, oil delivery system, tappets and tappet guides are provided for an engine, particularly a motorcycle engine. The rocker box includes a separable upper portion and...
7631425 Method for manufacturing rocker arm  
A method for manufacturing according to the present invention includes a step of obtaining a bent workpiece 13 with prepared apertures 21 and 21, wherein the bent work piece 13 includes a pair of...
7614374 Rolling bearing for rocker arm  
A rolling bearing for a rocker arm includes an outer ring in rolling contact with a cam of an engine, an outer-ring shaft placed inside the outer ring and fixed to the rocker arm, and a plurality...
7600498 Internal combustion engine with gas exchange valve deactivation  
An internal combustion engine with selectively deactivated intake and/or exhaust valves includes a fulcrum plate having a through hole with a slidable plunger supporting a pivot ball that engages...
7584732 Shaft-mounted rocker arm arrangement  
The present invention is a shaft-mounted rocker arm arrangement for an internal combustion engine which provides simplified assembly and disassembly by allowing individual rocker arms to be added...
7546823 Variable overhead valve control for engines  
A valve control mechanism is provided for an overhead valve, internal combustion engine having a camshaft moving a pushrod to move a rocker arm that in turn moves the valve. Three aligned rollers...
7418936 Engine and valvetrain with compact rocker arm and fulcrum assembly for internal combustion engines  
An internal combustion engine having a plurality of intake and/or exhaust valves associated with each cylinder includes a valvetrain having a fulcrum with a plurality of pivot ball sockets each...
7398752 Rocker arm for valve actuation  
The present invention provides an improved rocker arm system for actuating poppet valves in high performance internal combustion engines. The rocker arm provides trunnion journals extending from...
7392776 Rocker arm construction  
Disclosed is a unique configuration of a rocker arm per se wherein high stress areas thereof are strengthened and a trunion shaft is rotatively mounted on its push rod end and has a threaded push...
7367301 CAM follower  
There is provided a cam follower in which a surface roughness of an outer surface of a roller of a cam follower which is in rolling contact with a cam of an engine is obtained individually in an...
7360290 Method of manufacturing rocker arm  
The present invention provides a method of manufacturing a rocker arm, having a process of rough processing, in which a metallic stock is subjected to compression-forming by cold forging to form a...
7258091 Rocker arm  
There is provided a rocker arm of a kind in which even though the rocker arm is manufactured by the use of a press working technique the arm width can be minimized while the flat outer surface...
7222599 Rocker arm made of sheet metal and method of manufacturing the same  
A rocker arm includes: a body that is made of sheet metal and includes a pair of side walls; and a pair of axial holes that are respectively formed through the pair of side walls and have a first...
7185618 Sheet metal rocker arm with integrally formed cross member  
A sheet metal rocker arm of the welded and brazed tube and “boat type” rocker arm formed from sheet metal and characterized by having a reinforcing cross member which is integrally formed from a t...
7185619 Rocker arm and method of manufacturing the same  
A rocker arm 1 made of sheet metal is formed so that Vickers hardness Hv of the surface layer portion 9a of the valve stem receiver 9 is set at Hv 650 to 800 and a quantity of the retained...
7152320 Rocker arm and method of manufacturing the rocker arm  
In relation to a rocker arm obtained by applying cold forging to a blank made from a metal wire rod, cold forging is applied to a blank obtained by cutting a metal wire rod to a predetermined...
7089899 Stamped two-step rocker arm component  
A rocker arm (25) adapted to engage a pair of cam lobes (15,17), the rocker arm having first (31) and second (33) sidewall portions, and being formed from a flat sheet metal blank (25B) having a...
7077091 Polymer matrix composite pushrod  
In one embodiment, the invention comprises a polymer matrix pushrod comprising a composite rod having an annular collar affixed over each end portion of the composite rod and an endcap affixed at...
7062852 Rocker arm  
A rocker arm comprises an arm body, a shaft and a roller. The arm body formed substantially in a U-shape in section by effecting drawing on a metal plate, includes a connection wall connecting a...
7043836 Manufacturing method of rocker arm  
When forces given in the processes of machining in the cross direction and machining for forming a groove are adjusted and the machining is repeatedly conducted by a plurality of times, the valve...
7028653 Roller rocker mounting mechanism  
A roller rocker mounting mechanism for an internal combustion engine valve actuating mechanism includes a first rocker stand having a first locating boss and a second rocker stand having a second...
6962134 Rocker arm shaft retainer and assembly  
A rocker arm shaft retainer includes an elongated contoured sheet-like body having two opposite ends, two opposite sides longer in length than the ends, and a central portion between the sides. A...
6932040 Metal plate rocker arm and method of manufacturing the metal plate rocker arm  
A sheet-metal rocker arm formed by the steps of punch-pressing a sheet of metal member to form a blank having a predetermined shape and a through-hole, of subjecting the blank to a bending process...
6889643 Rocker arm and manufacturing method thereof  
A gap (34) for forming an excess thickness portion is provided between a pair of first dies (26, 27) and a intermediate portion (32) of the second die (24), and an excess thickness portion (35) is...
6863040 Rocker arm  
To provide a rocker arm of a design effective to avoid occurrence of a loosening of the adjustment screw to ensure a proper operation of the internal combustion engine including the control of the...
6854436 Composite push rod  
An adjustable length composite push rod constructed of a composite bar having two specially shaped ends to which metal end fittings bond via mating surfaces provided thereon for evenly distributing...
6651329 Method of making a lever-type cam follower  
The inventions provides a method of making a lever-type cam follower (2) out of thin-walled light-weight sheet metal for loading at least one gas exchange valve of an internal combustion engine,...
6634330 Valve system for engine  
To provide a valve system for an engine, in which a rocker arm is interlocked with an engine valve and is supported on a rocker shaft fixedly mounted to a cylinder head such that it is rockable...
6615635 Method of making a lever-type cam follower, and lever-type cam follower  
A method for making a support (6) for a valve stem in a lever-type cam follower made of sheet metal is proposed. According to the invention, this support (6) with its guide walls (7, 8) is made by...
6604499 Oil-through type push rod  
An oil-through type push rod for, for instance, internal combustion engines including a metal pipe and a metal end fitting which has an oil hole formed therein and is welded to the end of the metal...
6523514 Rocker arm and method of manufacturing rocker arm body  
It is an object of the present invention to provide a rocker arm having such a shape as to avoid generation of defects in a producing process and to avoid increase in weight and design change of a...
6470842 Lever-type cam follower  
A lever-type cam follower (1) of a thin-walled material like sheet metal is proposed. It has a simply structured valve stem guidance in the region of one of its ends (5). The guidance comprises a...
6425361 Rocker arm and method of fabricating rocker arm body  
A rocker arm, which opens and closes a valve when tilted by a cam and is provided on a cylinder head, has a body made of sheet metal. The body is constituted in such a manner that one metal plate...
Matches 1 - 50 out of 103 1 2 3 >