Matches 1 - 43 out of 43


Match Document Document Title
US20070193543 VALVE DEACTIVATION DEVICE  
A valve deactivation device for a rocker arm assembly having a cam arm and a valve arm is provided. A return spring biases a locking latch pin toward an activated position to allow the cam arm and...
US20160186617 SLIDING MEMBER AND METHOD OF MANUFACTURING THE SAME  
A sliding member includes: a metal substrate; an undercoat primer layer that is formed on a sliding surface of the metal substrate; and a resin layer that is formed on the undercoat primer layer....
US20070113813 Two-step rocker arm having roller element cam followers  
The invention provides a two-step rocker arm assembly for use in an internal combustion engine in which a plurality of two-step rocker arm assemblies enable the engine poppet valves to switch...
US20050087162 Method of forming a cam-engaged rocker arm  
A method and system for forming a cam engaged rocker arm includes a stamping process where metal is forced into die cavities to build up material in a desired area of a blank to create an...
US20130220251 MECHANICALLY CONTROLLABLE VALVE DRIVE  
A mechanically controllable valve drive includes a cylinder head, a valve lift adjustment device comprising a rocker arm, a pivoted lever assembly comprising an end surface, an engagement element,...
US20080245330 Switching Finger Follower Assembly  
A finger follower assembly (30) for variably activating a valve of an internal combustion engine having a camshaft with at least one lobe (40). The finger follower assembly includes a follower...
US20070266973 VALVE ACTUATING MECHANISM  
A mechanism for actuating an engine poppet valve includes two rotatable cams, a first rocker mounted on a pivot shaft and acting between a first of the two cams and the stem of the valve, and a...
US20100170463 POWDER METAL ROCKER ARM  
A powder metal rocker arm is provided. The rocker arm may be connected to a cylinder head of an engine to assist in transferring motion between engine components. The rocker arm includes a pivot...
US20120199087 ROCKER ARM STRUCTURE  
A rocker arm arranged between a camshaft and a valve which opens/closes an intake port or an exhaust port. A rolling bearing for supporting a support hole formed in a rocker arm is of a type of...
US20110197841 SECURING DEVICE FOR INSTALLING A ROCKER ARM  
An internal combustion engine is provided that includes, but is not limited to a securing device for installing a rocker arm on a cylinder head of the internal combustion engine, the securing...
US20160138436 METHOD OF REMANUFACTURING A ROCKER ARM AND A REMANUFACTURED ROCKER ARM  
A method of remanufacturing a rocker arm having a body defining a contact surface is provided. The contact surface is configured to engage with a braking member and having a worn portion thereon....
US20090173301 SURFACE TREATED ROCKER ARM SHAFT  
A shaft for a rocker arm assembly is disclosed. The shaft includes a substantially cylindrical outer surface at least a portion of which defines a bearing surface thereon and an interior core...
US20110265750 Switchable lever for a valve drive of an internal combustion engine  
A switchable lever for a valve drive of an internal combustion engine which has two side walls with ends connected by a crossbar. There is a gas-exchange valve system in the crossbar at one end...
US20100037844 CYLINDER HEAD AND ROCKER ARM ASSEMBLY FOR INTERNAL COMBUSTION ENGINE  
A cylinder head for an internal combustion engine includes at least one rocker arm assembly for an internal combustion engine is disclosed comprising a rocker arm cradle, a rocker shaft, and a...
US20070221153 High profile rocker arm assembly with offset valve lash adjuster  
A high profile rocker arm assembly increases rocker arm strength, minimizes rocker arm weight and enables improved valve lash adjustment. The rocker arm assembly comprises a rocker arm, a cross...
US20110220051 Push Rod Retainer, Rocker Arm and Method for Retaining Together a Push Rod and a Rocker Arm  
Disclosed is a push rod retainer for retaining an extremity of a push rod and a first end of a rocker arm in proximity of each other, comprising a base section accommodating at least a part of a...
US20080302322 TUBULAR ROCKER SHAFT WITH MULTIPLE INTERNAL COMPARTMENTS  
A rocker shaft having at least two transversely formed interior compartments is provided each of which is devised for, and capable of, containing fluid at differing pressures. A multiplicity of...
US20080271692 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 journals extending from each side...
US20090078225 Switchable rocker arm  
A latching mechanism for variably activating an engine valve in an internal combustion engine includes a rocker arm body having a bore and a socket. A first passage leads from the socket to a...
US20050229885 Extruded lever for valve timing in a piston engine, and method of making such a lever  
The invention concerns a method of making a lever for the valve timing of a piston engine, wherein the lever or at least a part of a multi-piece lever (10) is made from a billet-shaped metal...
US20130291817 CAM FOLLOWER APPARATUS  
Provided is a cam follower apparatus that has excellent durability, assembly characteristics and freedom of design, and together with being able to reduce the size and weight, is able to reduce...
US20120186549 OSCILLATING LEVER IN A VALVE TRAIN OF AN INTERNAL-COMBUSTION ENGINE  
A rocker or swing arm in a valve train of an internal combustion engine has a bearing bore pivotally supporting the arm on a hollow axis located in a fixed position in the engine. The valve train...
US20100307437 ROCKER ARM FOR A VALVE TRAIN OF AN INTERNAL COMBUSTION ENGINE  
A rocker arm (1a to 1f) for a valve train of an internal combustion engine is provided having an elongate lever body (2a to 2f) formed out of sheet metal and including a first end section (3), a...
US20080141960 Variable valve actuation system having a crank-based actuation transmission  
A variable valve actuation system having a crank-based eccentric transmission driven by an electric motor to control valve lift, duration, and phasing in the cylinder head of an internal...
US20140007832 ROCKER ARM FOR VALVE CONTROL APPARATUS  
To provide a rocker arm for a valve control apparatus of an automobile engine, which enables downsizing of the valve control apparatus and provides improved fuel economy of the engine. The rocker...
US20090078224 CAM FOLLOWER ROCKER ARM  
A cam follower rocker arm is provided comprising a body with a U-shape cross section with an intermediate opening at the top of the inverted U-shape and having an outside width less then the...
US20070044745 Pivot Ball Rocker Arm Lubricating Access  
A lubricating, enhancing access is provided for a rocker arm for an internal combustion engine. The rocker arm has a cold-formed, one-piece metal body with a narrow width and a substantial depth....
US20060185636 Manufacturing a rocker lever using cold forming and welding  
A method and system for forming a rocker assembly includes cold forming a metal blank to produce a portion of the rocker assembly. This portion has a tubular portion that rotatably engages a shaft...
US20150053160 SLIDER PAD FOR ROLLER FINGER FOLLOWER  
A roller finger follower is provided having a housing and two separate outer arms mounted at one end to a pivot axle that extends through the housing. A roller is mounted in the housing The outer...
US20090205594 Hydraulic Spring Drive Apparatus  
Hydraulic spring drive apparatus comprising: a rotatable cam shaft having fixed thereon a number of cams; a number of rocker arms, one following each cam, each pivotally attached at one end to a...
US20060196459 Discrete mode variable valve gear  
A valve lifter is activated selectively by one of a plurality of cams, either via displaceable rollers or via tappets having rotatable grooves on top, to provide discrete or stepwise multimode...
US20090000583 SEGMENTED ROLLING ELEMENT BEARING  
A rocker arm assembly including a rocker arm, a bearing support member, and a bearing assembly. The bearing assembly is supported on the support member and engages the rocker arm. The bearing...
US20060266314 Internal combustion engine  
An illustrative embodiment of a reciprocating internal combustion engine of the present invention comprises a rotatable drive shaft, a cam coupled to the rotatable drive shaft, a plurality of...
US20070221154 ANTI-TIPPING ROLLER FOLLOWER  
An anti-tipping feature for a roller follower is provided that is positioned at the socket end of a Type II roller follower. The anti-tipping feature is designed to fit around the plunger of a...
US20140034001 VARIABLE VALVE ACTUATION SYSTEM CONFIGURATIONS  
Valve actuation systems are disclosed herein that allow valve closing timing to be varied using a lost-motion system. In some embodiments, an actuation system is provided that has a locked...
US20130206090 COMBINED OUTER ARM MANUFACTURING FOR SPRING OVER PIVOT THREE ARM SWITCHABLE ROLLER FINGER FOLLOWER  
A method of manufacturing outer arms of a three arm spring over pivot switchable roller finger follower. The method includes the steps of forming the outer arms of the switchable roller finger...
US20130019831 VALVE ACTUATION APPARATUS OF INTERNAL COMBUSTION ENGINE  
In a valve actuation apparatus of a multi-cylinder engine employing a drive shaft rotatably arranged to extend over a plurality of cylinders, a drive cam attached to the drive shaft, and a motion...
US20060157013 METHOD OF MAKING A ROCKER ARM  
A method of making a rocker arm is provided that includes the integration, into a single piece, of three separate parts namely, a central longitudinal member, a push-rod plate; and a valve end...
US20150167502 VALVE TRAIN OF ENGINE FOR VEHICLE  
A valve train of an engine for a vehicle may include a rocker arm that reciprocates up and down, a valve bridge that is moved by the rocker arm and operates a valve installed in a combustion...
US20110253088 STRUCTURAL UNIT FOR A GAS EXCHANGE VALVE TRAIN OF AN INTERNAL COMBUSTION ENGINE  
A structural unit for a gas exchange valve train of an internal combustion engine is provided. The structural unit includes a support element (8) having a joint head (7) and a valve lever (1)...
US20050252472 Rocker arm assembly for an engine  
In one embodiment according to the invention, there is disclosed a rocker cradle for an engine, the rocker cradle being integrally-formed and comprising a plurality of hoops for supporting at...
US20160017766 ROCKER ARM ASSEMBLY FOR VALVE ACTUATION SYSTEMS  
A rocker arm assembly for a valve actuation system of an engine is disclosed. The engine has at least one valve. The rocker assembly includes a rocker arm with a valve retention end, a valve...
US20090173300 CAM FOLLOWER DEVICE  
A cam follower device includes a pair of plate-shaped rocker arms 17 parallel mutually, a support shaft 7a fixed in support holes 8a, 8a at one end portions of the rocker arms 17 at both end...

Matches 1 - 43 out of 43