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Class 123/90.32 - With alternate interruption of drive train


Subclass of Class 123 - Internal-combustion engines
Definition: Device wherein means is provided in an element (e.g., push
No. of patents: 20
Last issue date: 09/25/2007


NumberTitleIssue Date
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
7165519Method for controlling an inlet valve of an internal combustion engine
In a method for controlling an inlet valve of an internal combustion engine having at least one cylinder with at least a first inlet valve and a second inlet valve, wherein the closing time of the first inlet valve is adjustable and the first inlet valve is so contr...
01/23/2007
7152576Compact lost motion system for variable value actuation
Lost motion systems and methods for providing engine valves with variable valve actuation for engine valve events are disclosed. The system may include a master piston hydraulically linked to a slave piston, and a dedicated cam operatively connected to the master pi...
12/26/2006
6920849Device for controlling cylinder disconnection in an internal combustion engine
A device for controlling cylinder disconnection in internal combustion engines, with a control device which permits in one of its two switching states an actuation of the valve concerned, with transmission devices which, in dependence on the switching state of the c...
07/26/2005
5647312Four-stroke Otto engine having hybrid control
A four-stroke Otto engine. At least two intake valves of the engine have an open position and a closed position, and include a main intake valve and an additional intake valve. A camshaft moves the main intake valve into its open position and into its clo...
07/15/1997
5331866Camshaft arrangement having a deactivatable cam
A camshaft has a deactivatable cam which is selectively couplable to or releasable from the camshaft by a coupling pin which is transversely displaceable in a recess in the camshaft. To move the coupling pin between its connecting position, in which it en...
07/26/1994
5239885Camshaft with a deactivatable cam
A space-saving camshaft with at least one cam which can be deactivated includes a coupling bolt which slides back and forth transversely in the camshaft to connect and disconnect the cam and the camshaft. A compression spring in the camshaft urges the bol...
08/31/1993
4463717Valve stopping device of internal combustion engine
A valve stopping device of internal combustion engine comprising, an intake valve and an exhaust valve each provided with a valve stopping mechanism. The valve stopping mechanisms are connected with each other by a link mechanism so as to rotate synchrono...
08/07/1984
4401069Camshaft lobes which provide selective cylinder cutout of an internal combustion engine
An internal combustion engine having a plurality of cylinders, at least one of the cylinders having cam-activated exhaust and intake ports and cam lobes shaped to provide selective maintenance of the exhaust port in either a continuously or periodically o...
08/30/1983
4399784Internal combustion engine
An internal combustion engine having at least one cylinder, the at least one cylinder having intake and exhaust ports, the engine comprising: a slidably and rotatably disposed camshaft; a cam and follower arrangement including cam lobes disposed on the ca...
08/23/1983
4380219Valve disabling mechanism
A valve disabling and switch mechanism for a multi-cylinder internal combustion engine is disclosed. One embodiment of the disabling mechanism is for an individually pivoted rocker arm; this disabling mechanism includes means which allow sliding movement ...
04/19/1983
4336775Valve selector
A device for disabling a poppet valve in an internal combustion engine. The engine includes a valve actuating drive train having an overhead camshaft, a hydraulic lash adjuster, and a rocker arm which pivots at one end about the lash adjuster. The disabli...
06/29/1982
4284042Multicylinder internal combustion engine with valve disconnection
A multicylinder internal combustion engine with valve disconnection wherein an intermediate mechanical device is interposed between an end of the valve stem end and a valve actuating mechanism with the intermediate mechanical device arbitrarily serving, i...
08/18/1981
4256070Valve disabler with improved actuator
The actuator disclosed herein uses cyclic forces in a valve gear train of an internal combustion engine to selectively switch a pair of valve disablers between valve enabling and disabling positions. When the disablers are in the valve enabling position, ...
03/17/1981
4252093Internal combustion engine
Internal combustion engine valve rocker arms adaptable for changing the horsepower output of an equipped engine, which rocker arms may be alternately set to prevent operation of the valves of cylinders that are to be selectively deactivated. Each rocker a...
02/24/1981
4249489Multi-cylinder internal combustion engine with a valve shutoff
A multi-cylinder internal combustion engine with a valve shutoff. A mechanical device in which is integrated a valve clearance compensation arrangement, is interposed between an end of the valve stem and the valve actuating arrangement. A mechanical devic...
02/10/1981
4249488Valve lift adjusting device
In an internal combustion engine having a rocker arm operated intake valve, there is provided a valve lift adjusting device that adjusts the fulcrum of the rocker arm between a full-lift position producing full valve lift and a partial-lift position produ...
02/10/1981
4245596Shifting means for actuating valve turn-off in multi-cylinder internal combustion engine
A switching means for effecting a shutoff of valves of a multi-cylinder internal combustion engine wherein a servomechanism is provided which, upon a shutting off of the valves, acts upon an interposed energy storage arrangement in such a way that a sprin...
01/20/1981
4151824Valve train system of internal combustion engines
When individual cylinders of an internal combustion engine are disengaged from their power-consuming, power-producing role, engine efficiency at small to medium engine loads is improved significantly. This improvement is measured in enhanced fuel economy ...
05/01/1979
4141333Valve train systems of internal combustion engines
When individual cylinders of an internal combustion engine are disengaged from their power-consuming, power-producing role, engine efficiency at small to medium engine loads is improved significantly. This improvement is measured in enhanced fuel economy ...
02/27/1979
 
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