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| Number | Title | Issue Date |
| 8127730 | Device for coupling valve activating levers of an internal combustion engine Device for coupling two valve activating levers of an internal combustion engine with at least one carrier body (1) mounted on the internal combustion engine, wherein at least one hollow shaft (2) in which oil of the internal combustion engine is store... | 03/06/2012 |
| 8118004 | Rocker arm, rocker shaft, valve cap, adjust screw, pivot receiving member, and valve of arm type valve operating device Provided are a rocker arm, a rocker shaft, a valve cap, an adjust screw, a pivot receiving member, and a valve of an arm type valve operating device that can suppress wear and pitching, and attain a long service life. A multiplicity of minute recesses are provided a... | 02/21/2012 |
| 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 on a journal which bridges the side walls. The cam roller, which has a... | 01/31/2012 |
| 8096274 | Rocker arm arrangement with a bearing shell provided with grooves Rocker arm arrangement of an internal combustion engine has a bearing journal with a central axis and an outside circumferential surface running in the central bore of a rocker arm lined with a bearing shell. The bearing journal has a first transverse oil channel le... | 01/17/2012 |
| 8079337 | Variable valve lift apparatus A variable valve lift apparatus may include an inner body of which an end is pivotally connected to an anchor, an outer body of which an end is pivotally connected to the anchor, a roller finger follower of which an end is pivotally connected to a hydraulic lash adj... | 12/20/2011 |
| 8079336 | Compact valve actuation mechanism for barrel internal combustion engines A multi-cylinder barrel internal combustion engine includes a valve actuation mechanism having generally L-shaped rockers for actuating valves in the engine. The rockers are arranged in pairs each pivotally coupled to a common rocker support. The pair of rockers act... | 12/20/2011 |
| 8074615 | Guide systems for variable valve controller A variable valve control apparatus includes an oscillating arm and a pivot lever pivotably mounted to each other via a swivel joint. A first roller, which is rotatably mounted on an arm of the pivot lever engages with the camming surface of a cam, while a second rol... | 12/13/2011 |
| 8056523 | Rocker arm apparatus for engine cylinder deactivation The present invention provides to a rocker arm apparatus for cylinder deactivation with a new structure for increasing fuel efficiency in a gasoline engine. For this, the present invention provides a rocker arm apparatus for cylinder deactivation including: a... | 11/15/2011 |
| 8037856 | Rocker arm A rocker arm includes a pair of side wall portions formed so as to face each other, an engaging portion connecting the pair of side wall portions and adapted to engage with a rocking support member arranged in an engine, and a sliding portion connecting the pair of ... | 10/18/2011 |
| 8033260 | Valve lever assembly having a switchable valve actuating mechanism A valve lever assembly having a switchable valve actuating mechanism comprises a first follower surface for following a first cam, at least one second follower surface for following a second cam and a valve lever, which is supported on an engine-affixed component an... | 10/11/2011 |
| 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 plate-shaped clip mountable to the rocker arm, the clip having a fitting ... | 09/27/2011 |
| 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 at a first end (7) by a transverse ... | 08/30/2011 |
| 7980215 | Valve system for internal combustion engine A variable valve system includes a transmission mechanism T which transmits a valve actuating force to an inlet valve 11 and which varies a maximum lift amount of the inlet valve 11 and biasing members 60. A sub-cam 40 oscillatably suppor... | 07/19/2011 |
| 7963261 | Valve drive for an internal combustion engine A drive valve for an internal combustion engine comprising a variable hub profile for a valve having a lever supported on a variable support point by means of a switchable support element which provides possibilities for influencing the hub profile and alternatively... | 06/21/2011 |
| 7942123 | Variable valve system for internal combustion engine A variable valve system has a drive shaft having a drive cam, a rockable cam opening/closing an engine valve, a transmission mechanism converting torque of the drive cam into a rocking motion and transmitting it to the rockable cam, a control shaft, and a control ca... | 05/17/2011 |
| 7926459 | Device for opening and closing a valve of a valve assembly of a combustion engine as well as for adjusting the stroke of the valve A device for actuating a valve of a valve assembly of an engine and for adjusting a stroke of the valve, may include a camshaft including a cam, a working curve member provided pivotably about the camshaft for actuating the valve, a lever holder which is provided pi... | 04/19/2011 |
| 7918201 | Variable valve mechanism for engine A variable valve mechanism for an engine includes: a rocker shaft; a first rocker arm rotatably supported by the rocker shaft, for transmitting displacement of a first cam to a valve; a second rocker arm rotatably supported by the rocker shaft, for transmitting a di... | 04/05/2011 |
| 7918200 | Sheet steel rocker arm A rocker arm (1) made of thin-walled sheet steel which rocker arm is intended for a suspended arrangement together with other like rocker arms under a girder-like carrier (2) of a valve train of an internal combustion engine, the rocker arm having an i... | 04/05/2011 |
| 7895981 | Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine In order to produce a variable valve lift device for the lift adjustment of the gas-exchange valves of an internal combustion engine, by means of which with adjustment forces and holding forces, independently from whether said holding forces and adjustment forces ar... | 03/01/2011 |
| 7882814 | Inner arm stop for a switchable rocker arm A roller finger follower assembly for variably activating a valve in an internal combustion engine includes at least one vertical recessed channel formed inside an outer arm and a shaft. The channel includes a machined upper surface closing the channel. The shaft en... | 02/08/2011 |
| 7878166 | Device and method for retaining a valve bridge A device for retaining a valve bridge is disclosed. The valve bridge is engaged with a plurality of valves. The device has a first base member. The first base member is configured to engage at least one of the plurality of valves. The device also has a first latchin... | 02/01/2011 |
| 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 the valve side arm. A pushrod is reciprocatable by a camshaft and is in... | 12/21/2010 |
| 7849828 | Rocker arm assembly A rocker arm assembly includes a lever body having a first end defining a pivot point, a second end for engagement with a valve train and a central opening extending therethrough. An eccentric bearing is received in the central opening, the eccentric bearing having ... | 12/14/2010 |
| 7845323 | Internal combustion engine cam follower arrangement An internal combustion engine has cylinder head assembly. First and second cams are disposed on a camshaft for rotation therewith. A first cam follower has a first end journaled on a cam follower shaft and a second end abutting an end of a first valve. A second cam ... | 12/07/2010 |
| 7845325 | Valve actuating mechanism for an internal combustion engine, and engine incorporating same A valve actuating mechanism for an engine having a rocker arm movement restraining device which controls opening and closing an engine valve. The rocker arm movement restraining device includes a timing arm which engages left and right rocker arms for constraining t... | 12/07/2010 |
| 7845324 | Sliding-pivot locking mechanism for an overhead cam with multiple rocker arms A locking mechanism for a plural rocker arm valve train assembly is provided. The locking mechanism is adapted for use with a camshaft having a plurality of different cam lobes having a plurality of different profiles, which result in variable valve displacement and... | 12/07/2010 |
| 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 substantially horizontal wall for engaging a valve stem. A pair of spaced subst... | 11/23/2010 |
| 7836861 | Variable valve mechanism for internal combustion engine A variable valve mechanism for an internal combustion engine includes a rocker arm, a swing cam, and a transmission member which is interposed between the swing cam and a cam and transmits the displacement of the cam to the swing cam. The rocker arm is provided with... | 11/23/2010 |
| 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 at least one hydraulic switchable support unit cooperating with a le... | 11/09/2010 |
| 7814875 | Stroke adjusting device for valves of a combustion engine A device for adjusting the valve lift (1) of the valves of a combustion engine comprising a lever (3) being driven by a camshaft (4), pushed against the cam-shaft (4) by a spring, which cooperates with at least one valve engagement means ... | 10/19/2010 |
| 7798112 | Dual lift rocker arm latch mechanism and actuation arrangement therefor A rocker arm assembly includes first and second rocker arms defining a pivot location. The first rocker arm includes, toward a first axial end thereof adjacent the pivot location, a fulcrum surface and, toward a second axial end thereof, a latch assembly including a... | 09/21/2010 |
| 7779803 | Rocker arm installed module A rocker arm installed module 1 is constructed by installing the cam shaft 3, the rocker arm 4 and the pivot 5 to the housing 2. The housing 2 is provided with a drop-off preventing means 21 for supporting and prevent... | 08/24/2010 |
| 7765972 | Fully variable mechanical valve train in an internal combustion engine A variable mechanical valve train for actuating a valve in an internal combustion engine includes a two-part follower operatively coupled between a cam shaft and a valve, so that the follower: in a fully-activated mode, causes a maximum lift of the valve in response... | 08/03/2010 |
| 7762223 | Valve train of an internal combustion engine A valve train (1) of an internal combustion engine (2), said valve train (1) comprising a support element (10) and a finger lever (5) or a rocker arm for operating a gas exchange valve, said finger lever (5) or rocket arm co... | 07/27/2010 |
| 7757647 | Variable valve apparatus of internal combustion engine A variable valve apparatus uses a camshaft provided rotatably in an internal combustion engine, and has a cam, a rocking cam driven by a cam, a intake valve or an exhaust valve driven by the rocking cam, a control shaft rotatably provided side by side with the camsh... | 07/20/2010 |
| 7748358 | Variable valve train apparatus for internal combustion engine A variable valve train apparatus (20) has a formed on a camshaft, a rocking cam driven by the cam, an intake valve or an exhaust valve driven by the rocking cam, a control shaft provided for rotation and side by side with the camshaft, a control arm having on... | 07/06/2010 |
| 7739989 | Valve-operating mechanism for internal combustion engine A valve-operating mechanism for an internal combustion engine having intake and exhaust valves and valve control members for controlling the intake and exhaust valves. The intake and exhaust valves are configured as dual valves having an outer valve and an inner val... | 06/22/2010 |
| 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 portions, whereby when the position of the shaft is changed by rotating it,... | 06/22/2010 |
| 7730862 | Valve mechanism for internal combustion engine A valve mechanism for an internal combustion engine includes a first rocker arm (4) connected to an intake or exhaust valve and supported on a rocker shaft (3a), a second rocker arm (5) supported on the rocker shaft for being rotationally... | 06/08/2010 |
| 7730861 | Two-step rocker arm assembly A two-step rocker arm assembly is provided having an arm member and a first roller assembly rotatably mounted with respect to the arm member and defining a generally C-shaped opening. A shaft member rotatably supports a second and a third roller assembly. The shaft ... | 06/08/2010 |
