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9038584 Valve operating device of engine  
A valve operating device for an engine is provided. The device includes a cam element formed with an end face cam in one end thereof, and a control member driven by an actuator to project to an...
9038586 Rocker assembly having improved durability  
A durable system is disclosed for controlling variable valve actuation of an engine valve corresponding to a cylinder of an automobile engine. The system is designed to have a durability that...
9038588 Continuously variable valve lift mechanism  
A continuously variable valve lift mechanism for an internal combustion engine includes a cam, a cam follower, a valve follower, a rocker shaft, and a rocker arm. The cam follower includes a first...
9038583 Internal combustion engine valve drive arrangement  
In an internal combustion engine valve drive arrangement having cam elements which are supported on a camshaft so as to be axially displaceable and having switch gates which are coupled to the cam...
9032921 Engine assembly including variable valve lift arrangement  
An engine assembly may include an engine structure defining a first combustion chamber, a first port in communication with the first combustion chamber and a second port in communication with the...
9032922 Camshaft assembly  
A camshaft assembly can control the motion of the intake or exhaust valves of an internal combustion engine and includes a base shaft extending along a longitudinal axis. The camshaft assembly...
9027518 Continuously variable valve lift device  
A continuously variable valve lift device with improved lift amount change accuracy includes a rocker arm causing an engine valve to perform an opening/closing operation with a cam of a cam shaft,...
9027520 Constructed slide cam unit  
A slide cam unit with a cam region is provided with an adjusting device having an actuator for adjusting the slide cam unit to different axial positions via slide grooves on the circumference of...
9021996 Nested locking mechanism for switchable roller finger follower  
A finger lever is provided for a valve train of an internal combustion engine. The finger lever comprises an inner lever, at least one arm pivotally coupled to the inner lever, and a coupling...
9021995 Electromagnetic actuating device and camshaft adjuster  
The invention relates to an electromagnetic actuating device (1) for a camshaft adjustment device of an internal combustion engine of a motor vehicle, with an elongated actuating element (2)...
9016249 Integrated lost motion rocker brake with automatic reset  
Systems and methods for actuating engine valves are disclosed. The systems may include a rocker arm having an adjustable length push tube mounted to a first end and multiple contact surfaces for...
9010290 Multiple variable valve lift apparatus  
A multiple variable valve lift apparatus may include a camshaft rotating by drive of an engine, at least two cam portions slidably disposed on the camshaft and rotatable together with the...
9004023 Variable valve train for an internal combustion engine  
A variable lift valve train for an internal combustion engine, including a pivoted lever with a transmission surface on one end, a counter running surface in a central region and, on a further...
9004031 Connecting structure of multiple variable valve lift apparatus  
A variable valve lift apparatus that has a simplified configuration is provided. The apparatus includes a camshaft and first and second cam forming portions inserted with the cam shaft to rotate...
8991350 Reset type rocker braking method and device  
A reset rocker arm braking method and device are provided. A braking piston hole and an oil drain piston hole which are communicated with a braking oil supply passage are arranged inside a rocker...
8991341 Valve actuation mechanism and automotive vehicle comprising such a valve actuation mechanism  
A valve actuation mechanism for an internal combustion engine includes rockers moved by a camshaft, each rocker being adapted to exert a valve opening force on at least a portion of a opening...
8991349 Involute spring pallet component for a cylinder deactivation switchable roller finger follower  
A method of manufacturing spring pallets of a switchable roller finger follower. The method includes the steps of forming the spring pallets of the roller finger follower as a single unit, forming...
8985074 Sensing and control of a variable valve actuation system  
A system for controlling variable valve actuation in an automobile engine is disclosed. A first cam has a first lift profile and a second cam has a second lift profile, both profiles having a base...
8978604 Variable valve actuator  
The present invention discloses an actuator, which is a combination of a hydraulic control unit and a spring-mass mechanical unit, comprising: a housing, with upper and lower ports; an actuation...
8978605 Phase-adjusting device of a camshaft for an internal combustion engine  
A camshaft adjusting device of an internal combustion engine having two camshafts supported concentrically to one another, the axial position of the outer camshaft being determined by an axial...
8973540 Variable valve system  
A variable valve system, may include a variable valve apparatus that controls opening/closing timing of an exhaust valve and an intake valve of an engine, and an oil supply device that supplies...
8967103 Variable valve timing arrangement  
A variable valve timing arrangement for an engine system is disclosed. The variable valve timing arrangement includes a cam follower configured to follow a cam lobe. A pushrod is operably...
8960143 Valve drive train arrangement  
In a valve drive train device of an internal combustion engine, comprising a phase adjustment device for the adjustment of a phase position between a primary cam and a secondary cam which belong...
8955476 Variable valve operating apparatus for internal combustion engine  
A variable valve operating apparatus for an internal combustion engine is provided which includes a helical wall part provided in a guide rail for changing valve opening characteristics of a valve...
8944019 Variable valve mechanism  
The present invention provides a variable valve mechanism of an internal combustion engine which includes a rotary cam, an output arm, an input member, and a switching device that switches between...
8936006 Combined engine braking and positive power engine lost motion valve actuation system  
A system for actuating one or more engine valves for positive power operation and engine braking operation is disclosed. In a preferred embodiment, an exhaust valve bridge and intake valve bridge...
8931445 Internal combustion engine  
Provided is an internal combustion engine including two intake valves for each cylinder, the internal combustion engine including: a fixed cam for driving one of the two intake valves with a lift...
8931443 Variable displacement solenoid control  
Methods are provided for improved control of valve activation/deactivation mechanisms. One example method comprises, adjusting an electromechanical actuator to actuate cylinder valve...
8935076 Controller for internal combustion engine  
When the operating characteristics of an intake valve are changed by an intake valve stop mechanism, an ECU outputs a command signal (control on) to a solenoid. At this time, a timing, at which...
8931444 Head packaging for cylinder deactivation  
Systems and methods for an overhead cam shaft coupled to an inline engine with inner cylinders and outer cylinders are disclosed. In one example approach, an engine bank comprises inner cylinders...
8925504 Variable valve operating apparatus for internal combustion engine  
Provided is a variable valve operating apparatus for an internal combustion engine, which can switch, based on an actuation of a single actuator, operating characteristics of valves for a...
8925505 Finger follower lever of a valve train and method for producing the same  
A finger follower lever of a valve train, which has a lever body that is a pressed and punched component made of sheet metal and has a U-shaped cross-section with two largely parallel side walls....
8919311 Method and systems for variable valve timing for a V-engine with a single central camshaft  
Various methods and systems are provided for varying valve timing in a V-engine. In one embodiment, a method for an engine comprises pivoting a first cam follower for a first cylinder of a first...
8919307 Valve train system for providing continuously variable valve lift  
A valve train system includes a camshaft with a camshaft lobe that is rotatable about a camshaft axis. A control shaft is rotatable about a control shaft axis and includes an eccentric control...
8915220 Variable valve actuation mechanism for overhead-cam engines with an oscillating/sliding follower  
A finger follower apparatus to effect opening of an engine valve includes a first member with first and second opposite ends. The first member is pivotally fixed at the first end and operatively...
8910601 Cylinder air volume difference adjuster and continuous variable valve lifter including the same  
A continuous variable valve lifter having a cylinder air volume difference adjuster includes a camshaft having an input cam, an eccentric control shaft disposed parallel to the camshaft, and a...
8910617 Control device for internal combustion engine  
If a relative rotational phase between a first rotor drivably connected to a crankshaft and a second rotor drivably connected to a camshaft is not an intermediate lock phase when an engine is...
8904977 Valve drive for internal combustion engines for actuating gas exchange valves  
A valve drive device for switching the stroke of gas exchange valves of an internal combustion engine includes a camshaft configured, at least in part, as a hollow shaft. A cam unit includes at...
8904981 Alternating split cycle combustion engine and method  
An internal combustion engine includes a cylinder that is connectable to an intake manifold through an intake valve, to an exhaust manifold through an exhaust valve, and to a transfer manifold...
8904982 Hinged rocker arm and valve opening arrangement including a hinged rocker arm  
A hinged rocker arm includes a first wing including a first opening for receiving a rocker shall and a first contacting surface, and a second wing including a second opening for receiving the...
8899196 Variable valve lift apparatus  
A variable valve lift apparatus may include a camshaft, a cam piece having first cams having lift amounts that are different formed at one side thereof, a first cam protrusion portion formed near...
8893675 Variable valve mechanism  
The present invention provides a variable valve mechanism for an internal combustion engine which includes an input arm, an output arm, a switching pin, and a displacing device. The displacing...
8893678 Valve drive arrangement  
In a valve drive arrangement of an internal combustion engine, having a first camshaft unit which comprises an outer shaft and primary cams connected to the outer shaft, a second camshaft unit...
8893674 Valve drive train device  
In a valve train device, particularly of an internal combustion engine, which device has an actuating device for displacing at least one axially displaceable cam element and a cam element shifting...
8869760 Hydraulic valve actuator system and engine incorporating same  
A hydraulic valve actuator system comprises an actuator assembly including a housing and a piston disposed in a cavity of the housing and biased away from the housing, a pipe having a distal end...
8863726 Method and system for engine cylinder decompression  
A system for actuating an engine valve to decompress an engine cylinder for engine start up and/or engine braking is disclosed. The system may include a first member, such as an outer piston,...
8863714 Camshaft assembly  
A camshaft assembly includes a base shaft extending along a longitudinal axis. The base shaft is configured to rotate about the longitudinal axis. The camshaft assembly further includes a series...
8857390 Adhesive joining for powder metal components  
A method of joining multiple powder metal components to form a powder metal component assembly using an adhesive is disclosed. By machining at least one of the powder metal components prior to the...
8857389 Internal combustion engine and backlash adjusting device of cam driving gear mechanism  
An internal combustion engine includes, among other things, a backlash adjusting device. An eccentric supporting shaft is disposed in an internal combustion engine so as to be able to be fixed at...
8851039 Adjustable camshaft  
An adjustable camshaft may include an inner shaft and an outer shaft coaxially surrounding the inner shaft. A cam may have a cam body and a ring collar axially projecting from the cam body. The...