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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...
US20150159520 VALVE BRIDGE  
A valve bridge for a valve train assembly having a first cavity formed towards a first end portion of the valve bridge and a hydraulic lash adjuster disposed within the first cavity for engaging a...
US20120167845 CYLINDER HEAD COVER MODULE WITH INTEGRATED VALVE TRAIN  
An internal combustion engine includes a cylinder block, a cylinder head and a cylinder head cover module attached to the cylinder head. The cylinder head cover module includes passageways and a...
US20120145098 Engine with Hydraulic Variable Valve Timing  
In one example, a method is described for an engine with a hydraulically actuated phaser for adjusting cam timing. The phaser is controlled by a hydraulic spool valve, for example, having a...
US20110048346 Engine with Hydraulic Variable Valve Timing  
In one example, a method is described for an engine with a hydraulically actuated phaser for adjusting cam timing. The phaser is controlled by a hydraulic spool valve, for example, having a...
US20110209677 HYDRAULIC ASSEMBLY AND HYDRAULIC VALVE FOR FORMING SAID ASSEMBLY  
A hydraulic assembly (1), particularly for an electrohydraulic valve control of an internal combustion engine, and a hydraulic valve (2) for forming such an assembly are provided. The assembly...
US20120152195 HYDRAULIC VALVE FOR AN OSCILLATING MOTOR ADJUSTER  
The invention relates to a hydraulic valve for an oscillating motor adjuster that utilizes camshaft alternating torques by means of non-return valves for more rapid adjustment. The non-return...
US20130042826 ENGINE ASSEMBLY INCLUDING VALVETRAIN LUBRICATION SYSTEM  
An engine assembly includes an engine block, a cylinder head coupled to the engine block and first and second lubrication systems. The first lubrication system includes a first pump in...
US20150114330 VARIABLE VALVE DEVICE THAT VARIES LIFT AMOUNT OF VALVE  
A variable valve device for varying a lift amount of a valve includes a first valve and a second valve that are respectively disposed to open or close a port, a swing arm in which first and second...
US20110265746 Valve System  
A valve system for providing closing force to one or more valves of an engine is provided. In one example, the system comprises a first tappet bore in fluid communication with a second tappet bore...
US20110132298 VALVE BRIDGE WITH INTEGRATED LOST MOTION SYSTEM  
A system and method of actuating one or more engine valves is disclosed. In one embodiment, the system comprises: a valve train element; a rocker arm pivotally mounted on a shaft and adapted to...
US20080105226 Gas exchange valve actuating apparatus  
In a gas exchange valve operating apparatus with at least one overhead camshaft for actuating the gas exchange valves, with a hydraulic medium supply passage extending through the camshaft and...
US20080289593 SWITCHABLE VALVE TRAIN FOR GAS-EXCHANGE VALVES OF INTERNAL COMBUSTION ENGINES  
A switchable valve train for gas-exchange valves of internal combustion engines with a rocker arm device (1), in which a rocking motion about a rocker arm axis (3) can be introduced by at least...
US20130042835 VEB EXCENTER RESET  
A valve mechanism for an internal combustion engine is operable to selectively open and close a gas exchange valve to accomplish an engine brake during an engine brake mode of an engine. The valve...
US20080236524 V-type engine and motorcycle incorporating same  
In a V-type engine for a vehicle, in which a hydraulic valve rest mechanism which selectively holds at least one of an intake valve and an exhaust valve corresponding to a part of plural cylinders...
US20130047942 SYSTEM AND METHOD FOR ENGINE VALVE LIFT STRATEGY  
A system for controlling a valve in an engine is provided. The system includes a pump piston operably coupled to the valve. The valve is displaceable with electro-hydraulic variable valve...
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...
US20120298057 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...
US20140182529 LOST-MOTION VARIABLE VALVE ACTUATION SYSTEM WITH VALVE DEACTIVATION  
Devices and related methods are disclosed that generally involve the selective deactivation of one or more engine valves. In one embodiment, a split-cycle internal combustion engine is provided in...
US20090107428 Variable Displacement Engine Having Selectively Engageable Rocker Arm With Positioning Device  
Systems and methods for selectively activating and deactivating gas exchange valves in a variable displacement internal combustion engine include a rocker arm having a positioning device that...
US20130055974 DESMODROMIC HYDRAULIC VALVE TRAIN  
The mass production of the MultiAir/UniAir of Fiat/INA proves that the hydraulic control can reliably actuate the valves of the modern internal combustion engines, making them greener. Removing...
US20070227478 Electro-hydraulic valve actuator with integral electric motor driven rotary control valve  
An improved electro-hydraulic intake and exhaust valve actuator for a “camless” internal combustion reciprocating engine. The present invention integrates an electric motor driven “plug type”...
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...
US20090126661 VARIABLE VALVE LIFT APPARATUS  
A variable valve lift apparatus includes a lift body that contacts a cam and a valve. The lift body has a first hole for receiving hydraulic pressure and a second hole for exhausting the hydraulic...
US20120234271 PRESSURE STORAGE UNIT FOR A CAMSHAFT AND PISTON FOR A PRESSURE STORAGE UNIT  
A pressure storage unit (2) for a camshaft, having an integrated controllable pressure storage device for supporting hydraulic engine components, which includes a housing (4) with a piston (14)...
US20120291728 INTERNAL COMBUSTION ENGINE HAVING AN OIL CIRCUIT AND METHOD FOR OPERATING SUCH AN INTERNAL COMBUSTION ENGINE  
A method for operating an engine is provided. The method comprises adjusting an oil pressure in an oil circuit, the oil circuit including a pump in fluidic communication with a hydraulically...
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...
US20110290204 ELECTROHYDRAULIC VALVE CONTROLLER  
An electrohydraulic valve controller for variable actuation of a gas exchange valve of an internal combustion engine. The electrohydraulic valve controller has a first hydraulic valve 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...
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...
US20140238322 CYLINDER VALVE SYSTEM AND METHOD FOR ALTERING VALVE PROFILE  
A cylinder valve system in an engine is provided. The cylinder valve system includes a first oil pressurized bore corresponding to a cylinder valve and in fluidic communication with a control...
US20070272178 Semi-Active Compressor Valve  
A method and system for fine-tuning the motion of suction or discharge valves associated with cylinders of a reciprocating gas compressor, such as the large compressors used for natural gas...
US20100018482 VALVETRAIN OIL CONTROL SYSTEM AND OIL CONTROL VALVE  
A hydraulic control system includes an oil control valve to control oil flow within a valvetrain. The control valve varies the flow rate to actuate an engine component from a first position to a...
US20080236520 Multicylinder engine for a vehicle, and vehicle incorporating same  
A multicylinder engine for a motorcycle includes a valve actuation mechanism having a hydraulically-operated valve pausing mechanism for holding at least one of an intake valve and an exhaust...
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...
US20080264364 VARIABLE CAMSHAFT TIMING SYSTEM  
A variable camshaft timing (VCT) system 10 for an internal combustion engine includes a vane 13 mounted to the end of an engine camshaft, surrounded by a housing 14. The vane 13 separates a...
US20080035082 Valve actuation mechanism  
A valve actuation mechanism are disclosed, which is capable of controlling the lift of valves of an engine by more than three on/off combinations. In a preferred embodiment of the invention, the...
US20110132297 ELECTRO-HYDRAULIC VARIABLE VALVE LIFT APPARATUS  
An electro-hydraulic variable valve lift apparatus may include a housing, a master portion which is slidably disposed to the housing and contacts a cam, a first oil supply portion which supplies...
US20150240673 HYDRAULIC VALVE FOR CAM PHASER  
A hydraulic valve for a cam phaser including a valve housing with a longitudinal axis and a valve piston that is axially moveable along the longitudinal axis, wherein the valve piston opens and...
US20100024751 Oil Circuit for Continuous Variable Valve Timing Device  
An oil circuit for a continuous variable valve timing (CVVT) device includes a main oil passage from a cylinder block toward a cylinder head to feed oil from a main gallery to a cam shaft, and a...
US20080066701 METHOD FOR VALVE SEATING CONTROL FOR AN ELECTRO- HYDRAULIC ENGINE VALVE  
Valve lift in an internal combustion engine is controlled by an electro-hydraulic actuation mechanism including a selectively actuable hydraulic feedback circuit.
US20110094463 ENGINE ASSEMBLY INCLUDING SECONDARY OIL PUMP AND PUMP MOUNTING STRUCTURE  
A cam bearing cap may include a first bearing cap region, a pump mounting region, an oil inlet, and an oil outlet. The first bearing cap region may extend over and secure a first camshaft to an...
US20130074791 CONTROLLER FOR VARIABLE VALVE ACTUATION DEVICE  
A controller for a variable valve actuation device is provided. The controller prevents the startability of an internal combustion engine from being degraded. An electronic controller (91)...
US20120222634 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...
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...
US20100307433 HYDRAULICALLY OPERATED VALVE ACTUATION AND INTERNAL COMBUSTION ENGINE WITH SUCH A VALVE ACTUATION  
According to the invention, recuperation may be optimised for a hydraulically-operated gas exchange valve by provision of two fluid-filled pressure chambers and a movable regulating piston with...
US20090064950 VALVETRAIN CONTROL SYSTEMS WITH LIFT MODE TRANSITIONING BASED ENGINE SYNCHRONIZATION TIMING AND SENSOR BASED LIFT MODE CONTROL  
A valve control system for an internal combustion engine includes a valve actuation system. The valve actuation system includes lift control valves that actuate at least one of an intake valve and...
US20090151680 OIL GALLERY FOR VARIABLE VALVE TIMING APPARATUS OF A CYLINDER HEAD  
An oil gallery for a variable valve timing apparatus of a cylinder head includes an advance oil supply passage that fluidly connects an oil control valve hole and a variable valve timing journal,...
US20090064949 ERROR CORRECTION DURING THE OPERATION OF ELECTROHYDRAULIC VALVE CONTROL SYSTEMS  
In a method for operating an electrohydraulic valve control system of an internal combustion engine, the electrohydraulic valve control system comprising at least one gas exchange valve actuator...
US20080264363 Electrohydraulic Solar Panel Carrier Adjusting Device  
A solar panel carrier T is provided at a sub-structure U such that it can be rotated and tilted by means of hydrostatic rotation and tilt motors M, M′. In an electrohydraulic adjusting device for...

Matches 1 - 50 out of 216 1 2 3 4 5 >