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WO/2002/095193A1 |
The invention relates to a valvegear mechanism for an internal combustion engine. Said mechanism comprises a camshaft in a separate cylinder head for controlling the stroke of a gas shuttle valve by means of an interposed rocker arm, whi...
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WO/2002/095203A1 |
The present invention is directed to engine braking systems (10) and methods for producing a bleeder braking event in an internal combustion engine. The present invention is further directed to systems and methods for providing improved ...
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WO/2002/092972A1 |
The invention relates to a valve-driving device for variable adjustment of the lift of a gas exchange valve of an internal combustion engine, wherein the gas exchange valve (2) co-operates, via a transfer element (3), with a roller (5) w...
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WO/2002/090728A1 |
The invention concerns a device for controlling the variation of times and duration of opening and closing of a valve (8) comprising an elastic means (18) which acts on an assembly consisting of a tilting device (1) and a valve rod (11) ...
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WO/2002/090727A1 |
The present invention provides an apparatus and method for selective control of gas flow in a combustion chamber (70) in an internal combustion engine (10) through a moveable or retractable seat valve (300) that is independent of piston ...
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WO2001059268A9 |
The engine has a single cam (106) actuating both the intake and exhaust valves (50, 56). The cam has a primary cam surface (110) and a boss (112) extending from its side. An exhaust valve cam follower (90) engages only the primary cam su...
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WO/2002/081872A1 |
A variable valve timing system for an internal combustion engine, comprising a drive shaft driven by the engine, a camshaft driven by the drive shaft, and a cam supported by the camshaft for bearing against a valve actuating member. The ...
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WO/2002/081877A1 |
In a 4-stroke cycle internal combustion engine equipped with a suction valve (13) and an exhaust valve (14) which are driven for opening and closing by a suction cam (17) and an exhaust cam (18), respectively, which are integral with a c...
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WO/2002/079615A1 |
A valve control mechanism is disclosed which permits the engine timing to be varied as a non-linear function of axial camshaft (4) displacement. The mechanism utilises a coupling in which radially outwardly extending pegs (107) carried b...
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WO/2002/079624A1 |
A multicylinder internal combustion engine with an exhaust-driven turbocompressor and with a divided exhaust gas flow has at least two exhaust valves (2,3) and one intake valve per cylinder. A first exhaust valve (2) is connected to a fi...
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WO/2002/079611A1 |
The aim of the invention is to provide a device for actuating the gas exchange valves (4) of an internal combustion engine, which is simple in design and reliable, comprising a camshaft (3) driven by the crankshaft (1) of an internal com...
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WO/2002/077422A1 |
A decompressor simple in construction, small in size and low in cost for a 4-stroke cycle internal combustion engine (1) including suction and exhaust valves (9, 10) driven by suction and exhaust cams (27, 28) integral with a cam shaft (...
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WO/2002/075121A1 |
A desmodromic valve actuation system for opening and closing at least one valve (33/51) of an engine having a cam assemblage (15) and a driving mechanism (35) for reciprocal movement operably connected to the cam assemblage (15). The cam...
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WO/2002/064960A1 |
A driver of direct acting valve for internal combustion engine, comprising an intake valve (8) disposed slidably in the vicinity of the intake port (4) of an internal combustion engine (12) and opening/closing the intake port, an electro...
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WO/2002/057609A1 |
A valve gear control device of an internal combustion engine controlling the opening and closing operations of exhaust valves (EV1, EV2) and first and second intake valves (IV1, IV2) installed in one cylinder (4), wherein an electromagne...
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WO/2002/053881A1 |
The invention relates to a mechanical valve gear that can be variably adjusted for at least one gas shuttle valve (1) in a piston internal combustion engine, said valve being provided with at least one closing spring (2). Said valve gear...
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WO/2002/052129A1 |
The invention relates to a device for engine breaking in motor vehicles comprising an internal combustion engine with at least one cylinder, at least one exhaust valve at said cylinder and a rocker arm (4) for activation of said exhaust ...
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WO/2002/049868A1 |
The invention relates to a method for operating an internal combustion engine (10) that is installed in a motor vehicle. Said engine, which comprises controlled intake and discharge valves, is coupled in a fixed manner to an electric mot...
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WO/2002/050406A1 |
The invention relates to a method and to a device for operating an internal combustion engine with a plurality of cylinders, each of which comprises at least one inlet and one outlet valve with completely variable valve control. The inve...
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WO/2002/048510A2 |
The invention concerns a variable timing device for reciprocating engines with, at least two cam shafts (AC1, AC2) comprising, at least an intake valve (A) and at least an exhaust valve (E) actuated by said shafts, and means for shaft an...
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WO/2002/048531A1 |
A controller of an internal combustion engine having a variable valve system for varying the opening area (valve lift) or a working angle (valve opening period) of at least one of an intake valve and an exhaust valve, wherein a cylinder ...
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WO/2002/046583A1 |
An oil control valve (60) controlling a variable valve timing device for adjusting an operation timing of at least either of exhaust and intake camshafts disposed in a cylinder head (1) of an internal combustion engine, comprising a hous...
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WO/2002/042612A1 |
The present invention relates to a combustion engine which incorporates an engine braking function. The combustion engine incorporates a camshaft (1) with a peripheral guide surface (2) which includes a first cam (3) which, when a non-co...
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WO/2002/035067A1 |
The invention relates to a variable valve distributor (1) for load-controlling, an internal combustion engine, in a throttle free manner. The invention is characterised in that each cylinder of the internal combustion engine is provided ...
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WO/2002/035066A1 |
A variable duration valve timing camshaft is disclosed. The camshaft has a shaft with fixed cam lobes and lobe modifying elements that are adapted to move outwardly as the rate of rotation of the camshaft increases thereby cooperating wi...
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WO/2002/035065A1 |
A variable timing duration camshaft has an outer shaft (1) and coaxial inner shaft (2) adapted so that the shafts (1, 2) are relatively slidable but not rotatable about each other. The outer shaft (1) has valve control lobes located on i...
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WO/2002/035074A1 |
A controller of a hybrid vehicle capable of sufficiently assuring a regenerative amount and remarkably improving a fuel consumption without having adverse effects on the proper control of exhaust emission, comprising an engine as the dri...
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WO/2002/029213A1 |
The invention relates to a disconnectable, hydraulic support element (1), which has minimum space requirements. A bore (16) for a slide (23), configured as a blind bore runs at the side of a plunger (10) of a hydraulic play compensation ...
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WO/2002/029217A1 |
A retractable support element (1), requiring little installation room is disclosed. A slider (12) for coupling an inner element (6) with the outer housing (3) in the support element (1), is positioned laterally in a housing (2), arranged...
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WO/2002/025080A1 |
The efficiency (6, 76, 78, 80, 82) of a spark-ignition internal-combustion engine having an adjustable fuel-to-air mixture ratio is improved significantly by reducing the fuel-to-air mixture (4) and increasing compression ratio (92). The...
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WO/2002/012685A1 |
The invention relates to a piston engine comprising deactivatable mechanically actuated gas exchange valves, which are each actuated by at least one camshaft via a roller idler arm (5). Said roller idler arm is comprised of two partial a...
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WO/2002/006642A1 |
The invention relates to mechanical, variable valve lift controllers, which, during the operation of the engine, permit a throttle-free load control, or a cylinder shutdown, by means of the rotation of control shafts with tappets or push...
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WO/2001/098636A1 |
A lost motion engine valve system (10) and method of actuating an engine valve (400) are disclosed. The system may comprise a valve train element (130), a pivoting lever (200), a control piston (320), and a hydraulic circuit (326, 346).
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WO/2001/092705A1 |
A variable valve timing mechanism for an internal combustion engine comprising at least one rotary valve (1) having at least two ports terminating as openings (2, 3) in its periphery, a cylinder head (7) having a bore in which the rotary...
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WO/2001/090538A1 |
A valve lift adjusting device, comprising an inner tappet energized toward a low lift cam installed on a cam shaft rotationally driven in synchronous with the rotation of an internal combustion engine, an outer tappet installed on the ou...
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WO/2001/088345A1 |
A valve control mechanism for an internal combustion engine is disclosed which includes a camshaft carrying a plurality of cams, the cams cooperating with and thereby serving to actuate valves which control the induction of fluids into, ...
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WO/2001/083953A1 |
Disclosed is an overhead rocker cam valve operating device for an internal combustion engine which is particularly useful for race cars or high performance automobiles. The device includes a rocker cam and connecting link, the link being...
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WO/2001/083952A1 |
The invention relates to a control device for an intake valve or exhaust valve of an internal combustion engine comprising an adjusting element and a control element. According to the invention, the adjusting element comprises a base bod...
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WO/2001/081745A1 |
The invention relates to a method for influencing the mixture formation and charging movement in the cylinders of a piston internal combustion engine with at least one gas inlet valve and at least one gas outlet valve per cylinder, respe...
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WO/2001/079662A1 |
The invention relates to an actuator (5) which is impinged by a force in one end position and is displaced into the other end position by an adjusting device (54) that is controlled using a pulse duration modulated signal. According to s...
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WO/2001/077502A1 |
A valve gear of internal combustion engine (D), comprising a main valve lifter (11) moving up and down together with a valve (3), an auxiliary valve lifter (12) movable relative to the main valve lifter, a low speed cam (15) capable of o...
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WO/2001/075279A1 |
The invention relates to a variable valve train for reciprocating engines, in particular internal combustion engines comprising at least one cam of a camshaft that is rotatably mounted in the cylinder head. Said cam actuates a lift valve...
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WO/2001/071167A1 |
An internal combustion engine is disclosed. The engine includes a camshaft carrying a plurality of cams, the camshaft being mounted in a cylinder head or cam carrier; and a valve control mechanism comprising: (a) first means for effectin...
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WO/2001/066917A1 |
A storage-regenerative internal comprises a valve variable drive. The engine may be switched from engine to compressor mode per cylinder. The change may be controlled by CPU using various input parameters. Exhaust gas or air may be coole...
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WO/2001/061157A1 |
An internal combustion engine has a mechanical compression release including a cam, a cam follower, and a compression release member. The cam having a cam lobe and a base radius with a slot, and a compression release member disposed with...
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WO/2001/061153A2 |
An overhead valve engine including a cylinder bore having an outer end; and a crankshaft assembly including a substantially straight crankshaft, a substantially cylindrical journal eccentrically mounted on the crankshaft, a one-piece con...
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WO/2001/049976A2 |
The invention relates to control of a multi-cylinder internal combustion engine, with individually controllable inlet valves, whereby each cylinder of the multi-cylinder internal combustion engine has at least one dedicated inlet valve a...
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WO/2001/046578A1 |
An internal combustion engine may include a hydraulic linkage used to transfer motion from a valve train element, such as a cam (400), to an engine valve (500). Method and apparatus for selectively limiting the motion transferred by the ...
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WO/2001/042638A1 |
Disclosed is an apparatus for controlling a position of an electromagnetically operated engine valve for an internal combustion engine. During the engine stop, a controller determines whether a cranking operation failure causes the engin...
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WO/2001/033066A1 |
An exhaust port structure of an internal combustion engine, wherein a cylinder head has a cylinder head body and a cylindrical exhaust port liner partly supported at a plurality of locations thereof on the cylinder head body and surround...
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