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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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,... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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. |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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)... |
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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... |
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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... |
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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... |
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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... |