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US20110302917 TWIN SCROLL TURBOCHARGER WITH EGR TAKEOFFS  
Systems and methods for operating a twin scroll turbocharged engine with a junction configured to selectively control exhaust gas delivery to an exhaust gas recirculation system and a twin scroll...
US20110114047 CAMSHAFT INSERT  
The invention relates to a camshaft insert for a camshaft, which can be, in particular, a composite camshaft. In this case, the camshaft insert bears an oscillating motor adjuster. An accumulator...
US20140366821 CAMSHAFT PHASER  
An internal combustion includes a crankshaft and a camshaft rotatable by the crankshaft. The internal combustion engine also includes an oil source, an engine cover, and a drive member disposed...
US20130199469 CONSTRUCTION OF A HYDRAULIC OIL CHANNEL BETWEEN A CENTRAL VALVE AND A VOLUME ACCUMULATOR OF A CAMSHAFT ADJUSTER  
A directional control valve (2) for controlling a flow of hydraulic oil from a pressure connection (80) via work chambers of a camshaft adjuster (90) to a tank connection (88). The disclosed...
US20120298058 SYSTEM FOR ATTACHING A CAMSHAFT PHASER TO A CAMSHAFT  
A camshaft phaser attachment system is provided for attaching a camshaft phaser to a camshaft of an internal combustion engine. The camshaft phaser attachment system includes a camshaft phaser for...
US20130180480 OIL PRESSURE MODIFICATION FOR VARIABLE CAM TIMING  
Systems and methods for modifying oil pressure for a variable cam timing system are provided. In one example approach, a method comprises, in response to an operating condition, adjusting a valve...
US20130276734 INTERNAL COMBUSTION ENGINE  
A camshaft may have an inner shaft and an outer shaft, each rotatable relative to the other. An adjusting device may include a first phase adjuster and a second phase adjuster. The outer shaft may...
US20130247852 CAMSHAFT ADJUSTER  
A camshaft adjuster (1) is provided that has a drive element (2), a driven element (3), and at least one side cover (5). The side cover (5) has, for supporting a spring (4), several screw bosses...
US20130019825 Harmonic Drive Camshaft Phaser with Lock Pin for Selectivley Preventing a Change in Phase Relationship  
A camshaft phaser includes a housing. A harmonic gear drive unit is disposed within the housing and includes a circular spline and a dynamic spline, a flexspline disposed within the circular...
US20120312258 HARMONIC DRIVE CAMSHAFT PHASER USING OIL FOR LUBRICATION  
A camshaft phaser includes a housing with an array of internal splines formed within a bore. A harmonic gear drive unit is disposed within the housing and includes a circular spline and a dynamic...
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...
US20110066357 INFERRED OIL RESPONSIVENESS USING PRESSURE SENSOR PULSES  
A system and method for controlling an internal combustion engine include determining oil responsiveness based on pressure variations associated with oil pump pulses in response to a stimulus, and...
US20150068476 ENGINE HAVING CONTINUOUSLY VARIABLE VALVE TIMING MECHANISM  
An engine having a variable valve timing mechanism may include a camshaft having a cam formed thereon for moving an intake or exhaust valve, a variable rotation unit disposed on the same axis with...
US20140053809 VALVETRAIN FAULT INDICATION SYSTEMS AND METHODS USING ENGINE MISFIRE  
A system for a vehicle includes a misfire indication module, a valve control module, and a fault indication module. The misfire indication module selectively indicates that misfire occurred within...
US20120067310 CAMSHAFT AND PHASER ASSEMBLY  
An assembly is disclosed which comprises an SCP camshaft 130 and a phaser mounted at one end of the SCP camshaft. The phaser has a stator 112 driven by an engine crankshaft and two output members...
US20140190430 CAMSHAFT ADJUSTMENT DEVICE  
A camshaft adjuster (3), comprising a camshaft axis of rotation (D) and an electromagnetic multi-tappet actuating device (4) having at least two electromagnetic drive units, which for exerting an...
US20110114067 ENGINE INCLUDING VALVE LIFT ASSEMBLY FOR INTERNAL EGR CONTROL  
An engine assembly may include a first exhaust valve lift assembly, a first exhaust valve, and a first camshaft. The first exhaust valve lift assembly may be operable in first and second operating...
US20120285405 ENGINE ASSEMBLY INCLUDING CAMSHAFT ACTUATOR  
An engine assembly may include an engine structure, a camshaft supported for rotation on the engine structure, a drive member and a camshaft actuation assembly. The camshaft may include a first...
US20150260140 CAMSHAFT POSITION DETERMINATION  
Various methods for determining camshaft position based on position indicated by an electric motor controller are provided. In one example, a method comprises: during cranking of an engine,...
US20080302318 FULLY VARIABLE VALVE ACTUATION  
A Fully variable mechanical VVA, or FVVA, achieves more than the Lost Motion VVAs and the Constant Duration VVAs can jointly offer, because the FVVA provides the infinite valve lift profiles a...
US20140096730 MECHANICALLY CONTROLLABLE VALVE DRIVE FOR A RECIPROCATING PISTON ENGINE  
A mechanically controllable valve drive for a reciprocating piston engine configured to adjust a gas exchange valve includes the gas exchange valve, a cam assembly comprising a camshaft and at...
US20130180484 CAMSHAFT ADJUSTER FOR AN INTERNAL COMBUSTION ENGINE  
A camshaft adjuster (31) for an internal combustion engine, including a drive pinion (33) that can be connected rotationally fast to a crankshaft, a driven pinion (1) with an inner gearing (5) and...
US20110139101 CAMSHAFT ADJUSTER  
A camshaft adjuster for adjusting the phase position of a camshaft relative to a crankshaft, in particular a hydraulic camshaft adjuster. A camshaft bearing area provided in the camshaft adjuster...
US20150059667 OIL SUPPLY DEVICE  
An oil supply device includes a plurality of hollow cam shafts, cam shaft journals, and a shaft side path. The hollow cam shafts have through holes that pass in a longitudinal direction from...
US20090205596 VARIABLE AIR INTAKE SYSTEM  
A valve closing side engaging groove is formed in a circumferential surface of a collar of a clutch between an optimum angular position, which implements a most effective valve angle for making...
US20120048219 VARIABLE VALVE LIFT APPARATUS  
A variable valve lift apparatus may include a camshaft, a low lift cam which may be connected to the camshaft and rotates, a high lift cam which may be rotatably mounted to the camshaft and may be...
US20120097122 AXIALLY COMPACT CAMSHAFT PHASER  
A camshaft phaser is provided for varying the phase relationship between a crankshaft and a camshaft in an internal combustion engine. The camshaft phaser includes a stator having a plurality of...
US20120318221 CAMSHAFT ADJUSTER  
An arrangement of a camshaft adjuster (1) having a control device (4) which allows a selection to be made between an OPA and/or a CTA mode. The camshaft adjuster (1) has a third hydraulic medium...
US20120125274 VALVE TRAIN FOR INTERNAL COMBUSTION ENGINES FOR ACTUATING GAS EXCHANGE VALVES  
A valve train for actuating a gas exchange valve of an internal combustion engine includes at least one camshaft configured to be driven by a crankshaft of the internal combustion engine and...
US20100312451 MODELING CATALYST EXOTHERM DUE TO BLOWTHROUGH  
Modeling catalyst exotherm due to blowthrough is provided. The method of calculating a temperature of exhaust from an internal combustion engine having a catalyst may include determining a...
US20130152888 ENGINE THAT ACTIVELY VARIES COMPRESSION EXPANSION RATIO  
An engine that actively varies a compress expansion ratio may include an intake camshaft to which an intake cam may be formed to lift an intake valve, an exhaust camshaft to which an exhaust cam...
US20130174798 CAMSHAFT ADJUSTER  
A camshaft adjuster (1), which has a cover element (4), which has at least one deformation zone (7), which, when the cover element (4) is assembled with the input element (2) or the output element...
US20120031358 Camshaft adjuster, in particular with camshaft  
A valve train comprises a double camshaft with an inner camshaft and an outer camshaft. The two camshafts are preferably designed coaxially. By means of a rotatory change in position of the inner...
US20150260060 CAMSHAFT PHASER  
A camshaft phaser includes a stator having a plurality of lobes and a rotor coaxially disposed within the stator and having a plurality of vanes interspersed with the lobes defining a plurality of...
US20120111293 INTERNAL COMBUSTION ENGINE VALVE ACTUATION AND ADJUSTABLE LIFT AND TIMING  
A cam can rotate on a camshaft of an internal combustion engine. A rocker arm that actuates a valve of the internal combustion engine can include a rocker pivot connection point located on a...
US20110303169 FLOW RATE CONTROL VALVE  
A flow rate control valve includes a housing having an accommodation chamber in communication with oil passages, and a spool accommodated in the accommodation chamber movably in a reciprocating...
US20100307434 VALVE CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE  
A valve control synchronizing apparatus for an internal combustion engine for controlling opening and closing operations of an engine valve includes a synchronizing pin assembly selectively...
US20130180483 CAMSHAFT ADJUSTER  
A camshaft adjuster (1) is provided with a restoring spring (4) having a spring end (6) for support on the driven element (3) that has a wavelike shape.
US20140007827 CAMSHAFT ADJUSTER  
An arrangement of a camshaft phaser (1) which has a drive element (2) and at least two driven elements (3, 4), whereby the camshaft phaser (1) has a first control valve (7) arranged concentrically...
US20150040876 EARLY EXHAUST VALVE OPENING FOR IMPROVED CATALYST LIGHT OFF  
Energy to speed heating of a catalyst associated with an internal combustion engine can be provided in the form of sensible energy (heat) via hot combustion products. In some variations, timing of...
US20120145102 Varying The Phase And Lift Of A Rocker Arm On A Camshaft Actuating A Valve Or Injector  
In an internal combustion engine using poppet type valves, a center pivot rocker arm is moved through a specific path wherein the roller in contact with a cam is moved to alter the phasing of the...
US20150184561 APPROACH FOR CONTROLLING OPERATION OF OIL INJECTORS  
Various embodiments of systems and methods related to controlling oil injection for piston cooling in an engine are disclosed. In one embodiment, a method includes during an engine cold start...
US20150218976 OSCILLATING-MOTOR CAMSHAFT ADJUSTER HAVING A HYDRAULIC VALVE  
An oscillating-motor camshaft adjuster which provides that, through software, camshaft alternating torque is utilized only in conditions where the torque is adequate and/or it is important to...
US20060169231 Intake air amount control apparatus and intake air amount control method for internal combustion engine  
A plurality of changing mechanisms change the manner in which intake air is supplied to an internal combustion engine. A control unit executes a cooperative control in which, based on the driving...
US20130220249 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...
US20140230764 SEALING DEVICE AND CAMSHAFT ADJUSTER  
A sealing device (12) for a camshaft adjuster (1) which is driveable using a belt and has a distributing valve (8) with a piston, wherein the sealing device (12) has a first securing portion (13)...
US20080215228 Variable Valve Drive For a Reciprocating Internal Combustion Engine  
The task of the present invention is to improve a variable valve operating mechanism in order to support different operating ranges of a motor vehicle through optimized operation of the...
US20140007828 CAMSHAFT ASSEMBLY AND METHOD FOR PRODUCING A CAMSHAFT ASSEMBLY  
A camshaft assembly, comprising a camshaft (2) having a receiving space (6) in an interior thereof, at least some sections of the assembly being made of a magnetisable material, and an...
US20130276732 CAMSHAFT TO CONTROL VALVE TIMING  
A camshaft for a multiple cylinder four-stroke internal combustion engine is described wherein peak lift of a first exhaust lobe is angularly displaced relative to peak lift of a second exhaust...
US20110315102 HARMONIC DRIVE CAMSHAFT PHASER AND METHOD FOR USING  
A camshaft phaser includes a housing with a harmonic gear drive unit disposed therein. The harmonic gear drive unit includes a circular spline and a dynamic spline, a flexspline disposed radially...