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WO/2004/057160A1 |
Disclosed is an intermediate lever (1) for a variable valve drive of an internal combustion engine, comprising an impingement end and a pivoting end (2, 3), a cam stop area (4), and a support (5) for a return spring (6). The face of the ...
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WO/2004/055336A1 |
The invention relates to a method for varying the valve timing of an internal combustion engine, which comprises at least one camshaft and cams arranged on said camshaft. Said cams are arranged relative one another with off-set angles of...
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WO/2004/053303A1 |
The invention relates to a compact, engageable valve lever (1) for a valve train of an internal combustion engine. Via its inner lever (5) the valve lever can be engaged with a gas exchange valve and can be supported on the top of a supp...
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WO/2004/046512A1 |
An internal combustion engine is described having a valve mechanism which comprises a gas exchange poppet valve (14), a camshaft (10) rotatable in synchronism with the engine crankshaft and having a cam (12) for operating the valve (14),...
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WO/2004/044392A1 |
The invention relates to a pivoting actuator system (1) for controlling the stroke of a gas exchange valve (2) in the cylinder head (3) of an internal combustion engine. Said system consists of a pivoting motor (4), equipped with a shaft...
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WO/2004/042215A1 |
The invention relates to an apparatus for an internal combustion engine which for each cylinder with associated piston has at least one inlet valve and at least one exhaust valve (10) for controlling the connection between the combustion...
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WO/2004/040115A1 |
The invention relates to a cylinder head (100) of an internal combustion engine. Said cylinder head is provided with a cylinder head housing (102) and with a divided camshaft bearing rail (200) having a lower part (252), which comprises ...
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WO/2004/033863A1 |
An apparatus for deactivating an engine valve has an accumulator sleeve slidably retained in an engine block and biased toward a lower chamber in fluid communication with an interior of the sleeve. A follower piston slides in the sleeve ...
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WO/2004/033862A1 |
A cylinder operation control apparatus includes: an internal combustion engine (E) which is adapted to operate in an all-cylinder activation mode and in a cylinder deactivation mode; a lift amount changing device (VT) which is associated...
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WO/2004/033942A2 |
In a variable phased valve lifter of an internal combustion engine, a roller lifter is allowed to move along a constraining member of a constraining mechanism, and the constraining mechanism is allowed to move freely in a direction subst...
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WO/2004/031541A1 |
A valve mechanism for internal combustion engines, capable of increasing the negative valve overlap period when the amount of a maximum lift for the intake valve or the exhaust valve is small. The valve mechanism (V) has intake-side and ...
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WO/2004/031540A1 |
The invention relates to a switching element (1) for the valve gear of an internal combustion engine, preferably for deactivating a valve. Said element comprises an outer section (2), in addition to an inner element (4) that can be axial...
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WO/2004/027225A1 |
The present invention relates generally to a system and method for actuating one or more valves in an internal combustion engine. In particular, the present invention relates to a system and method for actuating one or more engine valves...
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WO/2004/027224A1 |
A roller finger follower (10) comprising an elongated body (20) having a first side member (36), a second side member (38), a bracket associated with the body, a roller disposed between the first and second sides of the bracket. The roll...
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WO/2004/025109A1 |
A system and method for actuating one or more engine valves to produce one or more internal exhaust gas recirculation events is disclosed. The method of the present invention is a method of providing exhaust gas recirculation (EGR) in a ...
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WO/2004/020809A1 |
The invention relates to a cylinder head section (1) of an internal combustion engine comprising an upper camshaft (2), a row of equally active gas exchange valves (3), a row of dragging or oscillating levers (5, 6) which are arranged be...
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WO/2004/020801A1 |
Fourstroke engine with cylinder head going down the cylinder for adjustment of compression (4). Cylinder head has only adjusting clevis as movable parts (4). The todays known valve tecnic is being removed and replaced with a membran valv...
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WO/2004/018847A1 |
The invention relates to a rocker arm for valve actuation in internal combustion engines. Said rocker arm comprises at least two rotational axes (10, 11) which can be selected as required in order to modify the relation between the force...
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WO/2004/015247A1 |
A retainer retains a release member for engine valves of an internal combustion engine. The release member causes an engine valve to be actuated depending on various operating conditions of the engine, such as engine speed or oil level. ...
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WO2003106818B1 |
A variable valve actuation mechanism includes a control shaft (30) and a rocker arm (22). A second end of the rocker arm is connected to the control shaft. The rocker arm carries a roller (42) for engaging a cam lobe (12Aa) of an engine ...
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WO/2004/011782A1 |
In a valve-actuating device, a rocker arm (18A) has a valve contact portion (15) in contact with an engine valve (6) and a cam contact portion (17) in contact with a valve-actuating cam (16). One end portion of each of a set of link arms...
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WO/2004/009983A1 |
The invention relates to a method for improving the torque band in a multicylinder four-cycle piston engine comprising at least two pairs of cylinders with variably triggered gas exchange valves. Each pair of cylinders comprises two cyli...
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WO/2004/009966A1 |
A valve train (460) in an internal combustion engine (100), and a method of adjusting the valve timing setting of a valve in such a valve train, are disclosed. The present invention relates to an engine that includes a crankcase (110) wi...
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WO/2004/009968A1 |
An automatic compression release mechanism for implementation in an internal combustion engine, and a method of assembling such a mechanism, are disclosed. The mechanism includes a camshaft assembly including a cam gear (320), a cam lobe...
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WO/2004/009967A1 |
The invention relates to a mechanism (l) for varying the valve stroke of an internal combustion piston engine to any rate between zero stroke and nominal stroke, where there is a valve actuating camshaft (27), the cam (28) of which is co...
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WO/2004/005677A1 |
The invention relates to an apparatus for controlling valve movements in an internal combustion engine which has at least one inlet valve (12) and at least one exhaust valve for controlling the connection between the combustion chamber i...
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WO/2004/001199A2 |
A camshaft assembly with one or several slideable camlobes, where each slideable cam (707) is capable of latching in 2 positions perpendicular to the main axis of the camshaft, so the slideable camlobe is either latched to provide the co...
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WO/2004/001198A1 |
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 camshaft (4) by a spring, which cooperates with at least one valve engagement means ...
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WO/2003/102382A1 |
An internal combustion engine having one or more power pistons (17) reciprocating in one or more cylinders (13) has at least one fuel inlet valve (14) of the piston type at each cylinder. An inlet valve sleeve (32) has an open end at the...
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WO/2003/098013A1 |
An engine valve driver adapted to openingly and closingly drive a valve that opens and closes the valve opening in a combustion chamber by rocking a rocker arm (11) rockably supported by a rocker shaft (14), comprising a rocking member (...
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WO/2003/098012A1 |
An intermediate rocker member (10) is disposed between the rocker cam surface (9b) of a rocker member (9) and the rocker pressing surface (11b) of a rocker arm (11), and moving an abutment point (c, c’) makes it possible to continuousl...
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WO/2003/095804A1 |
A spring seat comprising an outer sprint seat (10k) and a stepped inner spring seat (10j) located at a lower position, wherein a valve spring comprises an outer spring (37) and an inner spring (36) longer than the outer spring (37) arran...
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WO/2003/095805A1 |
The invention concerns a drive and displacement system for mechanically variable valve-controlled distribution. Said system comprises drive levers which drive pivoting levers, actuating valves, via oscillating levers, such that the lifti...
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WO/2003/089764A1 |
The invention relates to a variable flow reducing valve and distribution system for compressed air injection engines, comprising a high-pressure compressed air tank and a buffer capacity and operating on mono or dual energy with dual or ...
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WO/2003/087545A1 |
A system (10) and method for actuating at least one engine valve (200) in an internal combustion engine to produce an engine valve event is disclosed. The system of the present invention may comprise means (100) for imparting motion to t...
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WO/2003/087544A2 |
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 (210) hydraulically linked to a slave piston (230), and a dedicated c...
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WO/2003/085239A1 |
The invention relates to space-saving, easily-assembled guide systems for mechanical, variable valve controllers, with cam followers (1), driven by a cam (6) via a cam roller (5), the pivot joint (2) of which, for driving a tappet (4) wh...
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WO/2003/083269A1 |
The invention relates to a device for converting a rotational displacement into a displacement back and forth. Said device comprises at least one control cam region (2), provided with a driven cam element (71), having an eccentric contro...
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WO/2003/078802A1 |
The invention relates to a method and a device for controlling the cylinder charge of an externally ignited internal combustion engine, comprising two intake valves per cylinder and a fully variable valve drive unit which is provided wit...
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WO/2003/078806A1 |
The invention relates to a device for controlling the cylinder charge of an externally ignited internal combustion engine, comprising a fully variable valve drive unit which is provided with a rotatable regulating shaft (1) that encompas...
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WO/2003/076770A1 |
The invention relates to a controllable valve gear component (1) comprising at least two parts (2, 3) that can move axially or pivotally relative to one another and at least one locking means (4) having a piston. For locking purposes, sa...
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WO/2003/074845A1 |
An adjustable valve gear of an internal combustion engine capable of continuously changing the opened lift amounts and opened operating angles of valves by a three-dimensional cam, wherein the three-dimensional cam (48) converts the cam ...
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WO/2003/074855A2 |
An apparatus and method for retarding an engine having a cylinder with an exhaust valve, an intake valve, an intake stroke, an exhaust stroke, a compression stroke and an expansion stroke. The apparatus includes an exhaust brake and a co...
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WO/2003/071100A1 |
A control device for a gas exchange valve in an internal combustion engine with a multi-membered gear system, comprising at least one drive element (1), actuating elements respectively actuating a gas exchange valve (3), a respective tra...
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WO/2003/069134A1 |
A rotary actuator comprises a worm gear (22) to be coupled to an actuatable element and a worm (16) engaging the worm gear (22) so as to rotate the latter. A motor is provided for driving the worm (16). It is to be noted that the actuato...
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WO/2003/067034A1 |
The invention relates to a device for adjusting the angle of rotation of a camshaft relative to the crankshaft of an internal combustion engine. Said device comprises an adjusting element (2) that can be impinged hydraulically, the adjus...
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WO/2003/067067A1 |
The invention relates an apparatus for delivering EGR gas to combustion spaces in a multicylinder, four-stroke internal combustion engine. For each cylinder with associated piston this has at least one inlet valve and at least one exhaus...
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WO/2003/067038A1 |
A switch element (1) for valve actuation in an internal combustion engine is disclosed, preferably for valve closure, comprising a simply achieved measure for adjustment of the coupling play, the coupling means (8) for which are retained...
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WO/2003/067036A1 |
An engine (20) with a lockable valve actuator (70) and method of controlling an engine (70) with such an actuator (70) are disclosed. The actuator (70) may include an actuator cylinder (72) with an actuator piston (76) reciprocatingly di...
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WO/2003/067039A1 |
An engine valve actuator (70) providing Miller cycle benefits and a method of operating an engine valve actuator (70) are disclosed. The valve actuator (70) employs a first force to hold a valve (32) of the engine (70) open during an exh...
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