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WO/2008/078547A1 |
Rotational movement of a weight is limited when the speed of an engine is low. In this case, the forward end of a lock pin is not inserted into a pin fitting hole and pin sliding hole in a lock pin fitting section, so that an idling cam ...
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WO/2008/077727A1 |
Switchable drag lever (1) for a valve timing mechanism of an internal combustion engine, wherein the drag lever (1) comprises an outer lever (3) and an inner lever (4) which extends between the arms (2) of the former. In its end region (...
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WO/2008/071509A1 |
The invention relates to an actuator for positioning an actuating member (33) of a variable valve train (28) of an internal combustion engine, comprising an actuator housing (4a, 4b) that can be fastened by means of a fastening device in...
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WO/2008/068629A2 |
A valve control system for an engine having a camshaft with first and second cam profiles, the valve control system comprising a rocker arm assembly including a first rocker arm having a first cam follower in engagement with the first ca...
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WO/2008/068117A1 |
The invention relates to a valve timing mechanism for an internal combustion engine. The invention is based on the object of specifying solutions which make it possible to realize a variable-stroke valve timing mechanism which is disting...
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WO/2008/068251A1 |
The invention relates to a switchable cam lever (1) of a valve drive of an internal combustion engine having an external and an internal lever (3, 4), the internal lever (4) having on one end a contact surface (6) for a head of a support...
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WO/2008/068306A1 |
The invention relates to a switchable cam follower (1) of a valve drive of an internal combustion engine having an external and an internal lever (3, 4), the outer lever (3) having on one end a contact surface (6) for a head of a support...
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WO/2008/065881A1 |
A cam shaft (22) etc. having a cam (18) etc. for pushing and moving a valve (12), which is urged in a valve closing direction by a valve spring (17), is driven by a motor (30) etc. A valve lifter (16), in contact with the cam (18) etc., ...
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WO/2008/061886A1 |
The invention relates to a method for regenerating at least one exhaust gas after-treatment device, in particular, a particle filter of an internal combustion engine, more particularly, a multi-cylinder engine, comprising an engine braki...
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WO/2008/063854A1 |
A method for extending the low-load operation of a homogeneous charge compression ignition engine includes employing a valve actuation device creating a negative valve overlap, thereby trapping and recompressing combusted gases within a ...
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WO/2008/056181A1 |
An internal combustion engine has intake (20) and exhaust (22) poppet valves, a first and a second set of cam lobes (64) for operating the intake and exhaust poppet valves (20,22) respectively, and a third set of cam lobes (68) for produ...
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WO/2008/052884A1 |
Proposed is an actuating device (1) having at least one actuator pin (3) which can be deployed from a rest position into a working position, in particular for adjusting a cam piece, which is arranged in a rotationally fixed and longitudi...
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WO/2008/050817A1 |
The present invention includes a rocker arm 10, which has a bearing section 12 and a rocker roller 20. The present invention also includes an HLA 14. The HLA 14 has a pivot 16, which is to be inserted into the bearing section 12, and sup...
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WO/2008/043598A1 |
The invention relates to a valve gear for internal combustion engines, comprising at least one inlet or outlet cam that is configured as a three-dimensional cam (2) and arranged on a camshaft (1) of the internal combustion engine and tha...
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WO/2008/043599A1 |
The invention relates to a valve gear for internal combustion engines, comprising at least one inlet or one outlet cam that is configured as a three-dimensional cam (2) and that is arranged on an axially displaceable camshaft (1) of the ...
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WO/2008/041276A1 |
[PROBLEMS] A valve gear having a reduced number of parts and a reduced total weight. [MEANS FOR SOLVING PROBLEMS] A high lift cam (30) and low lift cams (32, 34) are integrated together and fixed to a camshaft (12). In a low lift mode, a...
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WO2007130952A9 |
A switching mechanism capable of switching between a two-stroke operation and a four-stroke operation of an engine as desired, wherein the switching mechanism is switchable between engagement with a first cam lobe for four-stroke operati...
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WO/2008/037663A2 |
The invention relates to a switchable cam follower lever (1) for the valve train of an internal combustion engine, said lever having an inner lever (3) and an outer lever (4) that surrounds the inner lever with two arms (2). One end (6) ...
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WO/2008/026996A1 |
Vehicle drive system, comprising at least one combustion engine (1) adapted to operate in a frequency-modulated manner and provided with at least one cylinder ( 10), and a drive shaft (4) of a vehicle, said drive shaft (4) being driven b...
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WO/2008/023207A1 |
The valve stroke adjusting unit (21) comprises a lifting member (22) having a profiled valve lifting surface (28) resting on the actuating surface (69) of the single-arm rocker (6) and a bore (24) which is arranged on a first shaft surfa...
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WO/2008/021789A2 |
Mechanical compression and vacuum release mechanisms for internal combustion engines. The compression and vacuum release mechanism may include a pair of centrifugally responsive flyweights pivotally mounted to the cam gear. One of the fl...
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WO/2008/017418A1 |
The invention relates to a securing element (1) for securing an axial position of a bearing (2) on a shaft (3), wherein the securing element has a central opening (4) with which it can be pushed onto the shaft (3), and wherein the securi...
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WO/2008/017440A1 |
An internal combustion engine has a camshaft (23) which acts on inlet and outlet valves (5, 7), wherein the lift curve (EV, AV) of the inlet and outlet valves (5, 7) is determined by the shape of the cams (24, 25) of the camshaft (23). A...
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WO/2008/012679A2 |
A lift-control device for a valve (2), valve-lift means. A first valve-lift means (5) with (6) a profile of a cam (11) or eccentric acting on a rocker (6) in order to cause it to oscillate about a first axis (B) so as to move the valve (...
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WO/2008/012306A1 |
A switchable valve gear (3) of an internal combustion engine (2) is proposed, with a camshaft (4) which comprises a drive shaft (6) and a cam element (7) which is arranged in a rotationally fixed and axially displaceable manner on the dr...
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WO/2008/009557A1 |
The present invention relates to a cam drive (1) having a camshaft and having cams (18, 18') arranged thereon and having at least one rocker arm (3) which has a cam follower (2) and which is operatively connected by means of its first ar...
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WO/2008/008583A1 |
A valve event duration control device for a multi-cylinder internal combustion engine having at least one exhaust and at least one intake valve for each cylinder. The control device includes a primary camshaft to control the opening and ...
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WO/2008/000635A1 |
Locking device for a controllable valve gear component (1) for a valve gear of a combustion engine, in which two components (2, 3) of the valve gear component (1) movable relative to one another, can be locked to one another, in particul...
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WO/2007/142724A1 |
A variable valve actuation system (72) is disclosed for providing exhaust to at least one component downstream of an engine (12). The system includes an exhaust valve (66) disposed in an engine cylinder and a hydraulic actuation system (...
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WO/2007/138451A1 |
A lost motion spring (34) is disposed to contact at one end an oscillating member interposed between a cam and a valve for synchronizing the oscillating of the valve with the rotation of the cam. The lost motion spring (34) impels the os...
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WO/2007/138354A1 |
An internal combustion engine is described having a valve mechanism that comprises an SCP camshaft (10) operating two sets of valves (16, 22). The first set of valves (22) is operated via a summation rocker system (38, 40) such that the ...
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WO/2007/139619A1 |
A variable valve actuation system (72) is disclosed for providing exhaust to at least one component downstream of an engine. The system includes a supply (86) of low pressure fluid, an engine fluid sump (94), and an exhaust valve (66) di...
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WO/2007/135019A1 |
A switching finger follower (1) for a valve train of an internal combustion engine is proposed, comprising an outer and an inner lever (2, 3) which are mounted on a common axis (4). An annular piston is arranged as coupling means (10) in...
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WO/2007/132662A1 |
A variable valve gear driving device capable of accurately controlling valve lift amounts and manufacturable at low cost. The device has valves (10) serving as intake valves or exhaust valves of the engine, springs (11) for biasing the v...
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WO/2007/122105A1 |
A switchable cam follower (1) of a valve train assembly of an internal combustion engine is proposed, with an external lever (2) that encloses an internal lever (4) with its arms (3), of which components (2, 4), that can deviate from eac...
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WO/2007/118535A1 |
Disclosed is a mechanical-hydraulic valve controller for reciprocating-piston engines, in particular for inlet or outlet valves of internal combustion engines, having a spring-loaded valve which can be placed into an open position hydrau...
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WO/2007/119562A1 |
A variable lift valve gear of an internal combustion engine. A rocker arm (15), with an intermediate section of which a support member (support roller)(19) is in contact, is provided between an intake valve (6) and a cam (8) on a rotatin...
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WO/2007/120398A1 |
A method of controlling an engine (110) during an engine startup or shutdown condition includes operating a valve (218, 219) to open a port (208, 210) of a combustion chamber (112) to allow fluid to flow between the combustion chamber an...
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WO/2007/116895A1 |
A variable valve gear for an engine, where, when a rocker cam is moved and positioned, a shaft for supporting the rocker cam can be fixed by a relatively simple construction and can be reliably fixed. A sprag (lock member)(35) fixed to a...
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WO/2007/115715A1 |
The invention proceeds from a gas exchange valve actuating device for transmitting a drive movement to at least one gas exchange valve (10a) and having an internal combustion engine braking unit (11a; 11b; 11c; 11d; 11e) which comprises ...
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WO/2007/110174A1 |
The invention relates to a stroke-transmitting device for the variable transmission of strokes to an actuating means, in particular for the variable transmission of the stroke of a camshaft to a gas exchange valve (10) of an internal com...
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WO/2007/110315A1 |
A switching finger follower (1) of a valve train of an internal combustion engine is proposed, comprising an outer lever (2), in the aperture (3) of which an inner lever (5) runs, wherein the outer and inner levers (2, 5) are present in ...
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WO/2007/104287A2 |
The invention relates to a valve drive for internal combustion engines, comprising at least one cam assembly which can be axially displaced on a camshaft. Said assembly consists of at least two cams (2, 3) having different profiles and a...
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WO/2007/104286A1 |
The invention relates to a valve drive assembly for an internal combustion engine. The aim of the invention is to improve said assembly in such a manner that a stationary cam (2) can be reliably connected to a cam (3) that is rotatably m...
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WO/2007/099287A1 |
A valve actuation system (56) for a power system (5) is provided. The valve actuation system has an engine valve (50) moveable to selectively prevent or allow a flow of fluid relative to the engine valve. The valve actuation system also ...
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WO/2007/096241A1 |
The invention proposes a push-rod valve train having an adjustable valve tappet (1). This has an outer part (2a, 2b), an inner part (8) and a lost-motion spring (10), which forces the inner part (8) towards a relative position, at least ...
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WO/2007/095821A1 |
A starting decompression device relates to the field of engine. A decompression valve pin (1) and a decompression valve (2) are disposed in the recess of a decompression balance block (4). The decompression valve (2) is inserted into a h...
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WO/2007/095819A1 |
The starting and reverse decompression device of the application relates to the field of engine, a guiding pin (9) and a reset spring (10) are inserted respectively into a corresponding hole in a cam shaft (1), a starting decompression c...
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WO/2007/085246A1 |
The invention relates to a device for the continuously variable adjustment and/or regulation of the lift magnitude and of the control times of a gas exchange valve of an internal combustion engine, preferably having a pivotable camshaft....
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WO/2007/085754A2 |
The subject of the present invention is a device for deactivating at least one cylinder (17, 18) of an internal combustion engine of the multi-cylinder type, comprising means (20, 21, 22, 23) for disabling the inlet or exhaust valves of ...
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