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Match Document Document Title
US20160222841 VARIABLE LOST MOTION VALVE ACTUATOR AND METHOD  
A lost motion engine valve actuation system and method of actuating an engine valve are disclosed. The system may comprise a valve train element, a pivoting lever, a control piston, and a...
US20160017765 BIAS MECHANISMS FOR A ROCKER ARM AND LOST MOTION COMPONENT OF A VALVE BRIDGE  
Systems for actuating at least two engine comprise a valve bridge operatively connected to the at least two engine valves and having a hydraulically-actuated lost motion component. A rocker arm...
US20140109848 PRIMARY AND AUXILIARY ROCKER ARM ASSEMBLY FOR ENGINE VALVE ACTUATION  
Systems and methods for actuating engine valves are disclosed. The systems may include primary and auxiliary rocker arms disposed adjacent to each other on a rocker arm shaft. The primary rocker...
US20050247286 Combustion engine including fluidically-controlled engine valve actuator  
Engines and methods of controlling an engine may involve one or more fluidically controlled actuators associated with engine intake and/or exhaust valves. In some examples, the actuators may be...
US20140283768 VALVETRAIN OIL CONTROL SYSTEM AND OIL CONTROL VALVE  
A hydraulic control system includes an oil control valve to control oil flow within a valve train. The control valve varies the flow rate to actuate an engine component from a first position to a...
US20120006289 METHOD AND CONTROL DEVICE FOR DETERMINING A CHARACTERISTIC VISCOSITY VARIABLE OF AN OIL  
In order for the viscosity of the engine oil to be determined as directly as possible, particularly in the case of a motor vehicle with hydraulic control of the gas exchange valves, provision is...
US20130092109 Hydraulic Engine  
An internal combustion engine and method of operating such an engine are disclosed. In some embodiments, the engine includes a piston provided within a cylinder, wherein a combustion chamber is...
US20050247284 Air and fuel supply system for combustion engine operating at optimum engine speed  
An engine and method of operating an internal combustion engine with either a continuously variable speed transmission or electric drive is provided. The engine and method comprises operating the...
US20160076413 VARIABLE LOST MOTION VALVE ACTUATOR AND METHOD  
Lost motion engine valve actuation systems and methods of actuating engine valves are disclosed. Exemplary systems may include a valve train element, a first lost motion piston, an accumulator,...
US20160076414 VARIABLE LOST MOTION VALVE ACTUATOR AND METHOD  
Lost motion engine valve actuation systems and methods of actuating engine valves are disclosed. Exemplary systems may include a valve train element, a first lost motion piston, an accumulator,...
US20050000476 System and method for improving performance of hydraulic actuating system  
A system and method is disclosed for supplying hydraulic fluid to a lost motion system in an internal combustion engine. The system may comprise a reservoir; a gallery circuit connected to the...
US20130340694 VARIABLY OPERATED VALVE SYSTEM FOR INTERNAL COMBUSTION ENGINE  
A variably operated valve system for an internal combustion engine, a valve stop mechanism (11) makes at least one of a pair of fulcrum members lost motion to stop open-and-closure drives for one...
US20050252465 Oil control valve and installing method thereof  
An oil control valve (60) that controls a variable valve timing gear for adjusting operation timing of at least one of exhaust and intake camshafts mounted on a cylinder head (1) of an internal...
US20050274337 Engine valve actuator  
An engine valve actuator for an internal combustion engine is provided. The engine valve actuator includes a housing having an opening and a first fluid passageway leading to the opening. An...
US20060011159 System and method for controlling engine operation  
A method of controlling an engine is provided. At least one operating parameter of the engine is sensed. The engine is operated in a first mode in response to the sensed operating parameter being...
US20080135002 CONTROLLER FOR INTERNAL COMBUSTION ENGINE AND METHOD FOR VARIABLE VALVE TIMING CONTROL FOR THE SAME  
A controller is provided to an engine including a variable valve timing unit for manipulating a valve timing of an intake valve of the engine. The controller includes an idle-continuation...
US20100263611 HYDRAULIC VALVE OPERATING SYSTEM FOR OPERATING A POPPET VALVE OF AN INTERNAL COMBUSTION ENGINE  
With reference to FIG. 1, the present invention provides valve operating system for operating a pair of poppet valves (10, 32) of an internal combustion engine. The system comprises a source of...
US20070089706 Air and fuel supply system for combustion engine operating in HCCI mode  
An engine and a method of operating an internal combustion engine is provided. The method comprises supplying a pressurized air from an intake manifold to an air intake port of a combustion...
US20170183989 CRANKSHAFT DRIVEN VALVE ACTUATION  
A hydraulic valve actuation system (30) and a method of assembly can include a plurality of hydraulically actuatable valves (34a, 34b, 34c, 34d, 134a, 134b, 134c, 134d) operably associated with an...
US20110277712 ELECTROHYDRAULIC VALVE CONTROLLER  
An electrohydraulic valve controller (1) for the variable actuation of a gas exchange valve (2) of an internal combustion engine is provided that includes a hydraulic valve (13), and for the...
US20090217893 FOUR-STROKE CYCLE INTERNAL COMBUSION ENGINE  
According to some embodiments, there is provided a four-stroke cycle internal combustion engine in which an amount of valve lift is switchable in more multiple steps according to an operating...
US20150292369 VALVE TIMING CONTROLLER  
A valve timing controller includes a filter having a first end plate, a middle plate, and a second end plate that are stacked in this order in the thickness direction. The first end plate is...
US20090199796 ENGINE VALVE DEVICE  
An engine valve device includes an intake valve which opens and closes an intake port by a pressing force of a rotating cam and a pressing force of a valve spring, a piston which is movable in a...
US20130036992 HYDRAULIC VALVE TIMING CONTROLLER  
An inner rotor has a support portion which directly supports a most inner winding portion of a coil spring from a radially inner direction at a specified angle position in the circumferential...
US20090120388 Electro-hydraulic hybrid camshaft phaser  
A hybrid camshaft phaser comprising a conventional vane-type hydraulically-actuated phaser to which is coupled an electric motor and gear transmission. The transmission output shaft is coupled to...
US20050241597 Air and fuel supply system for a combustion engine  
An internal combustion engine has an engine block defining at least one cylinder, a head, a piston, an air intake valve, and a valve actuator. The valve actuator has an actuator housing defining a...
US20130032107 MULTI-CYLINDER INTERNAL COMBUSTION ENGINE WITH A SYSTEM FOR VARIABLE ACTUATION OF THE INTAKE VALVES AND AN INJECTOR HOUSING HAVING A RAISED SEALING EDGE  
In a multi-cylinder internal combustion engine, provided with a system for variable actuation of the intake valves of the engine, the fuel injector associated to each engine cylinder is surrounded...
US20130000573 HYDRAULIC VALVE PLAY COMPENSATING ELEMENT FOR RECIPROCATING-PISTON INTERNAL COMBUSTION ENGINES  
A reciprocating-piston internal combustion engine which operates on the four-stroke cycle, having a crankcase and having at least one cylinder which is arranged in said crankcase and in which a...
US20110174250 Auxiliary electric oil booster pump apparatus for a motorcycle  
An electric boost pump oiler system is set forth to assist the engine driven oil pump of a motorcycle engine, to prevent the decrease of oil pressure at a preset value of 10 psi automatically...
US20070215078 Methods and apparatus to use engine valves as both intake and exhaust valves  
Methods and apparatus to selectively use engine valves as both intake and exhaust valves and to selectively operate the engine as a 2 cycle or as a 4 cycle engine. In a disclosed embodiment, the...
US20110214632 HYDRO-MECHANICAL VARIABLE VALVE ACTUATION  
A hydro-mechanical variable valve actuation system capable to operate according the “ingoing air control” mode the multiair system of Fiat operates and according the “outgoing air control” mode...
US20110214631 VARIABLE VALVE DEVICE AND METHOD OF CONTROLLING THE SAME  
A variable valve device and a method of controlling the variable valve device, wherein, in order to prevent a shortage of oil film in a spool section, only the spool of a solenoid on/off valve is...
US20090205594 Hydraulic Spring Drive Apparatus  
Hydraulic spring drive apparatus comprising: a rotatable cam shaft having fixed thereon a number of cams; a number of rocker arms, one following each cam, each pivotally attached at one end to a...
US20080245323 Pump System for Supplying Pressurized Hydraulic Fluid to a Hydraulically Activated Valvetrain  
A pump system for supplying pressurized hydraulic fluid to a hydraulic valve actuation system for operating engine valves of an internal combustion engine comprises a conventional pump, driven by...
US20060075980 Lifter oil manifold assembly for V-type engines  
According to the invention, multiple-cylinder internal combustion engines comprise a lifter oil manifold assembly (LOMA) positioned in an improved and beneficial manner. In one embodiment, engines...
US20160003110 STATOR FOR A CAMSHAFT ADJUSTER, WITH A WASHER FOR REDUCING AXIAL BEARING PLAY  
A stator assembly (1) for a camshaft adjuster (2), including a stator (3) the exterior (5) of which has a toothed portion (4) for absorbing torque provided by a crankshaft is provided. The stator...
US20130340733 CYLINDER HEAD CAVITY VENTILATION FOR CAMLESS ENGINE  
An engine assembly may include an engine structure, intake and exhaust valves, hydraulically actuated valve lift mechanisms, and a valvetrain ventilation line. The engine structure may define a...
US20120167846 VALVE TIMING REGULATOR  
A valve timing adjusting apparatus includes: recesses provided opposite to the wall surfaces in a circumferential direction of a shoe and a vane in an advance hydraulic chamber; a holding member...
US20110036315 VALVE LIFT CONTROL APPARATUS  
An actuator is provided for operating a valve in an engine. The actuator includes a casing forming an actuation chamber for holding a working fluid and having a first cylinder portion with a first...
US20110005481 Three-Port Pintle Valve for Control of Actuation Oil  
A three-port flow control valve comprising a valve body having two opposite-facing valve seats disposed along a central bore terminating in an exhaust port. A supply port communicates with the...
US20090320777 Control System  
A control system is described that comprises a manifold, at least one valve device operable to control the delivery of fluid from the manifold, and a drive member located within the manifold and...
US20070266990 Variable compression engine  
A variable compression engine has a relief valve disposed in the combustion chamber thereof to reduce compression. The relief valve is open for a portion of the compression stroke of the engine....
US20060137633 Arrays for controllable power supply of electrovalves of an electrohydraulic valve control  
An arrangement for supplying current to the solenoid valves of an electrohydraulic valve-timing system of an internal combustion engine in a controllable manner has solenoid valves assigned to the...
US20130255608 PRESSURE ACCUMULATOR OF A HYDRAULIC ACTUATING SYSTEM  
A hydraulic actuating system is proposed in particular for gas exchange valves of reciprocating-piston internal combustion engines having a pressure source for the hydraulic medium and having at...
US20090151670 VARIABLE VALVE APPARATUS  
A variable valve apparatus includes a swing arm that includes a first body that pivots in response to rotation of an input cam, and a second body hingedly connected to the first body at a first...
US20080017142 Energy Recovery System for an Added Motion System  
A hydraulic circuit is disclosed. The hydraulic circuit includes an actuating mechanism having an engine valve and an engine valve spring, an added motion valve system having a cam system, a valve...
US20070113804 Valve operating apparatus and method for an engine  
A valve operating apparatus for an internal combustion engine including: a housing (2); a reciprocating piston (1) residing wholly within the housing (2), the reciprocating piston (1) driving one...
US20170159514 CRANKSHAFT DRIVEN VALVE ACTUATION USING A CONNECTING ROD  
A crankshaft driven valve actuation system (30), and methods of operation and assembly, for controlling opening and closing at least one hydraulically actuated engine valve (34a, 34b, 34c, 34d,...
US20130269637 DIRECT ACTING VARIABLE VALVE LIFT APPARATUS  
The present invention provides a variable valve lift apparatus including an outer body in which a hole is formed horizontally, and that moves upward/downward while slidingly contacting a high cam,...
US20110220045 VARIABLE VALVE DEVICE AND CONTROL METHOD THEREOF  
A variable valve device has a hydraulic actuator that implements discharge of operating oil in a pressure chamber and a hydraulic control valve that controls supply and discharge of the operating...

Matches 1 - 50 out of 51 1 2 >