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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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WO/2003/067037A1 |
The invention relates to a switching element (1) for a valve gear of an internal combustion engine, preferably for shutting off valves. Said valve comprises an external part (2), in addition to an internal element (5) that can be axially...
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WO/2003/067040A1 |
An engine (20) with an efficient valve actuator (70) is disclosed. The engine (20) employs a first force to hold a valve element (40) of the engine (20) open during a normal valve event and a second force to hold the valve element (40) o...
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WO/2003/064837A1 |
The invention is intended to provide improved emission-cleaning performance by use of a three-way catalyst alone, without the need for a lean NOx catalyst, while ensuring a fuel economy improvement effect of lean burn operation. A multic...
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WO/2003/064820A2 |
A system (10) and method for actuating an engine valve (700) to provide engine braking and/or exhaust gas recirculation using a common source of hydraulic fluid is disclosed. The system (10) receives high-pressure hydraulic fluid from a ...
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WO/2003/064838A1 |
For the purpose of improving the fuel efficiency by lean combustion and enhancing the fuel efficiency improvement effects by performing compression ignition efficiently in some cylinders, a multi-cylinder spark ignition engine is constru...
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WO/2003/062609A1 |
The present invention relates (with reference to Figure 1), to a valve operating mechanism for operating a poppet valve (10). The mechanism comprises: a cam (13) mounted on a camshaft (14); a first rocker (15) which is pivotally mounted ...
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WO/2003/060294A1 |
The invention relates to a switched cam follower (1) or to a switched support element of a valve gear of an internal combustion engine. Said follower or element comprises an outer part (2) which is assembled with an inner part (4) that i...
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WO/2003/060300A1 |
The invention relates to a method for reversing the direction of rotation of a two-stroke engine by specifically adjusting a misfire during coasting. In order to determine the direction of rotation of the engine with only one sensor, cyc...
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WO/2003/058039A1 |
The aim of the invention is to fulfill, better than the prior art, the demands placed by the engine on a variable valve control with regard to the shaping and accuracy of the valve lifting curves with regard to the simplicity of the stru...
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WO/2003/054362A1 |
The invention relates to a revolving gear consisting of a housing (G), a shaft (W), an intermediate member (Z) and an output member (A). The shaft is revolvably guided in the housing in a rotating joint (wb) and actuates the intermediate...
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WO/2003/048533A1 |
The invention provides a controller (10) and cylinder deactivation system to regenerate an exhaust aftertreatment device (60) for a multicylinder engine (5) that operates primarily at an air/fuel ratio that is lean of stoichiometry. The ...
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WO/2003/048548A1 |
The invention provides a controller (10) and cylinder deactivation system that comprise a system intended to increase heat rejected to an engine cooling system to improve heating of a multicylinder internal combustion engine (5) and a pa...
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WO/2003/046355A1 |
The invention relates to a method for coordinating the filling of a cylinder in a multicylinder internal combustion engine (14), comprising a fully variable, mechanical valve drive (20), an adjustment shaft (1) which controls the valve l...
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WO/2003/042510A1 |
Disclosed is a drag lever (1) of a valve mechanism in an internal combustion engine, which can be shifted between various valve lifts for at least one gas exchange valve, comprising an outer lever (2) between whose arms (3a, 3b) an inner...
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WO/2003/042511A1 |
A rocker arm (1) for a valve train on an internal combustion engine is disclosed, which may be switched between various valve lifts for at least one gas exchange valve, with an external rocker (2), between the arms (3a,b) of which an inn...
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WO/2003/042522A1 |
The present invention relates to methods of improving engine braking of a reciprocating piston internal combustion engine by variable valve actuation. One embodiment of the present invention enables independent two-valve actuation for ea...
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WO/2003/042512A1 |
The invention relates to a cam follower (1) of a valve gear of an internal combustion engine, which can be switched to different valve lifts for at least one gas exchange valve and comprising an outer lever (2), an inner lever (4) that c...
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WO/2003/042507A1 |
The invention relates to a cam follower (1) of a valve gear of an internal combustion engine, which can be switched to different valve lifts for at least one gas exchange valve. Said cam follower comprises a fork-shaped outer lever (2) h...
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WO/2003/042506A1 |
A rocker arm (1) in a valve train on an internal combustion engine is disclosed, which may be switched between various valve lifts for at least one gas exchange valve, with an external rocker (2), between the arms (3a,b) of which an inne...
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WO/2003/040526A1 |
The invention relates to mechanical, variable lift value controllers via which, in the case of individual valves or valve groups, the actuation of the valves can be continuously adjusted from a maximum stoke length to being constantly cl...
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WO/2003/031778A1 |
Valve mechanism in an internal combustion engine, comprising a valve play-take up mechanism in the form of a piston in a cylinder chamber at one end (7) of an exhaust rocker arm (2), and a hydraulic circuit with valve means for supplying...
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WO/2003/031242A2 |
An engine brake control system (10) that is integrated with service brakes for a diesel engine powered vehicle. Three manually selectable modes of operation include an operation with the engine brake control system disabled, an operation...
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WO/2003/029633A1 |
A method of controlling a supercharged internal combustion engine capable of increasing a thermal efficiency, a filling efficiency, a supercharger efficiency, and a freedom degree of cam design by the adoption of Atkinson cycle, particul...
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WO/2003/024736A1 |
The invention relates to a control device for an engine able to control at least one of an intake valve and an exhaust valve via a driving mechanism actuated without a torque from an output shaft of the engine, and a transmission connect...
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WO/2003/025375A1 |
A trouble detector of a vehicle having a deceleration idling-cylinder engine capable of idling a part of the cylinders by allowing the hydraulic pressure of hydraulic oil to close both an intake valve and an exhaust valve and releasing t...
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WO/2003/025372A1 |
A motor controller of a deceleration idling−cylinder engine vehicle idling a part of cylinders when the vehicle decelerates and driving a motor when an operation is moved from a deceleration idling−cylinder operation to a normal oper...
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WO/2003/023209A1 |
A control method for modulating the torque in an internal combustion engine with mechanical power transmission and with pneumatically, hydraulically or electromagnetically controllable valves that are open and closed based on signals fro...
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WO/2003/023197A1 |
The invention relates to a valve mechanism for an internal combustion engine, comprising at least two inlet and/or outlet valves (EV1, EV2, AV1, AV2) per cylinder which can be activated by the inlet and/or outlet camshaft (8); in additio...
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WO/2003/021100A1 |
A method of boot strap starting a diesel having a plurality of cylinders (32) comprises the steps of initiating cranking the diesel and responsive to cranking forcing exhaust valves (34) for all cylinders (32) open during compression str...
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WO/2003/018967A1 |
The invention relates to a valve mechanism comprising a variable cross-section of a valve opening. Said valve mechanism is arranged on a flow opening of an internal combustion engine and comprises a gas exchange valve which is actuated b...
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WO/2003/018965A1 |
The invention relates to a valve mechanism with a variable valve opening diameter, whereby the valve mechanism is arranged at a passage opening of an internal combustion engine. Said mechanism comprises a gas exchange valve, to which the...
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WO/2003/018964A2 |
The invention relates to a device for the variable control of gas exchange valves in an internal combustion engine. At least one of the gas exchange valves is controlled by the cam (1) of a cam shaft (2), provided with a cam contour with...
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WO/2003/018966A1 |
The invention relates to a valve mechanism with a variable valve opening cross-section. The valve mechanism is arranged on the outlet of the internal combustion engine and comprises a gas exchange valve is impinged upon by the force of a...
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WO/2003/016683A1 |
The invention relates to a rotary actuator device for controlling the stroke of a gas shuttle valve in the cylinder head of an internal combustion engine comprising a rotary oscillating motor (8) for driving a disk cam (6) with a cam pro...
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WO/2003/016684A1 |
A control system is disclosed for operating an engine valve. The system comprises two cams (2, 3) arranged on a common camshaft (1) but rotatable relative to one another. A summation lever (6) has cam followers (4 and 5) in contact with ...
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WO/2003/014537A1 |
A reciprocating piston engine with adjustable valve control has one poppet valve per cylinder which is actuated by a cam using a rocker, the stroke length of which may be adjusted, whereby the lever ratio of the rocker may be altered by ...
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WO/2003/014536A1 |
The invention describes a rocker arm displacement system for variable valve timing in internal combustion engines. More specifically, the system provides a rocker arm displacement system including a rocker arm having a pivot, a cam-conta...
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WO/2003/010420A1 |
An internal combustion engine valve control apparatus capable of suppressing increase of the inertia mass of an engine valve and appropriately setting the valve closing timing according to the operation state, thereby improving the speci...
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WO/2003/008772A1 |
The invention relates to mechanical, variable valve-stroke controllers, which are used for individual valves or groups of valves to set the valve stroke in a continuously variable manner from a maximal length to a constant closed state a...
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WO/2003/008771A1 |
The invention relates to a connectable bucket tappet (1) whereby the ring shaped section (2) thereof is produced in a relatively simple and economical manner, dispensing with a receiving element for coupling means which was previously jo...
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WO/2003/002862A1 |
The invention concerns an internal combustion engine (1) comprising a compression brake for controlling the cylinders (11, 12, 13, 14, 15, 16) of the engine in brake mode when the brake is actuated and in engine mode in the opposite case...
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WO/2003/001037A1 |
The aim of the invention is to functionally improve a hydraulic play compensation element for a valve gear of an internal combustion engine. To this end, the play compensation element is characterized by the following features. Both comp...
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WO/2002/103169A1 |
A variable valve gear particularly for internal combustion engines, in which a control cam of a camshaft acts, by way of pair of swivellably coupled levers, to a valve to produce an adjustment of the valve stroke. The valve stoke can var...
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WO/2002/103167A1 |
An electromagnetic brake cooling structure of a phase variable device having an electromagnetic brake means (40) and varying the phase of a camshaft, wherein engine oil in an oil sump (74) on the radial inner side of a clutch case (60) i...
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WO/2002/101212A2 |
A method and rocker arm assembly (100) for actuating an engine valve are disclosed. The rocker arm may include an integrated hydraulic circuit (110, 118, 120) used to control a lost motion piston (130). A reset piston (160) may be includ...
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WO/2002/101219A1 |
A control device for a hybrid vehicle, capable of significantly improving a fuel efficiency by a cylinder−stopping operation while a braking marketability is ensured. A control device for a hybrid vehicle which is provided with an engi...
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WO/2002/101207A1 |
The presently existing internal combustion engines have cams of unchangeable position and shape, regardless of changes in the engine working conditions, i.e. the valve opening and closing moments are always the same. The valve opening an...
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WO/2002/097244A1 |
A rotary valve internal combustion engine comprising a crankshaft, a throttle (23), a throttle actuator, a cylinder head (7), a combustion chamber (8), and at least one rotary valve (1). The rotary valve (1) having at least two ports (2,...
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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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