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5178106 Valve timing control apparatus  
A valve timing control apparatus for use in an internal combustion engine having a crankshaft driven by the engine and a camshaft adapted to drive at least one valve. The control apparatus...
5178108 Camshaft drive for an automotive engine  
A camshaft drive of an automotive engine includes a flexible drive member which powers two driven sprockets which occupy different planes such that different portions of the flexible drive member...
5174253 Apparatus for shifting phase between shafts in internal combustion engine  
Disclosed is an apparatus for shifting a phase between shafts in an internal combustion engine. A phase shifting device for shifting a rotational phase of the driven shaft to the drive shaft and an...
5172659 Differential pressure control system for variable camshaft timing system  
A camshaft (126) has a vane (160) secured to an end thereof for non-osciling rotation therewith. The camshaft tends to change in reaction to pulses which it experiences during its normal operation,...
5172661 Variable cam phasing device  
A phase change device of the type wherein a phase change is effected between an input member and an output member in response to the axial movement of an advancing element interconnecting the input...
5170756 Arrangement for changing the relative rotating position of shafts in an internal-combustion engine  
An arrangement for changing the relative rotating position of shafts in an internal-combustion engine has a camshaft, which can be rotated with respect to a shaft driving it, that has a phase...
5171188 Belt tensioner for internal combustion engine  
An internal combustion engine having a power generating device, and a transmission link connecting the power generating device to an accessory operated by the power generating device, the...
5167206 Continuously variable valve timing control system  
A continuously variable valve timing control system comprises a camshaft, a timing sprocket, and a helical sleeve disposed between the camshaft and the timing sprocket to provide a drive connection...
5163872 Compact camshaft phasing drive  
A variable camshaft phaser (VCP) has lash take up drive piston assemblies with inner and outer helical splines for phase changing and return springs mounted in pockets in the pistons to shorten...
5159904 Device for adjusting the angular setting of a driven shaft relative to a driving shaft  
Device for driving at least one driven shaft A1, by means of a driving shaft V, comprising a closed-loop transmission connection for constant length defining a tight side BT and a slack side BM on...
5154144 Camshaft drive arrangement for engine  
A vehicle and drive unit therefor including a transversely disposed engine located in an engine compartment. The cylinders are inclined to the rear from a vertical plane at an acute angle and the...
5152263 Bearing and retention apparatus for a camshaft phase change device  
A combination bearing and apparatus for maintaining the relative axial location of the input and output members of a camshaft phase change device. Peripheral grooves are formed in the members to...
5152261 Variable camshaft timing system utilizing changes in length of portions of a chain or belt  
A driveshaft in the form of a crankshaft (12) or a camshaft (212) drives a camshaft (16, 216) by means of a chain (20, 220) which is trained around a sprocket (14, 214) on the driveshaft and...
5152262 Internal combustion engine camshaft drive mechanism  
A camshaft drive mechanism operates the inlet valves of a first cylinder through a variable valve timing (VVT) mechanism at one end of an engine block and the inlet valves of a second cylinder...
5150671 Intake- and/or exhaust-valve timing control system for internal combustion engines  
An intake- and/or exhaust-valve timing control system for an internal combustion engine comprises a ring gear disposed between a cam sprocket having a driven connection with an engine crankshaft...
5144920 Automatic timing governor between crankshaft and camshafts, operating by means of actuators on the shaft connecting chain  
Governor of the stroke, in internal combustion engines (10) of the stroke between camshafts (13), (14) and crankshaft (12) connected by a continuous belt (20) or chain, to compensate for any...
5144921 Valve-controlled internal combustion engine  
A valve-controlled internal combustion engine has an device 13 for adjusting the camshaft 2 relative to its timing gear 14. The adjusting device has an operating sleeve, which is interlocked over...
5143032 Timing variator, particularly for changing the relative timing between a camshaft and the timing drive mechanism of an internal combustion engine  
The solution described enables the provision of a timing variator with internal circulation of the working servo-medium, while ensuring firm retention and centering ability relatively to the...
5138985 Arrangement for changing the valve timing of an internal-combustion engine  
An arrangement for changing the valve timing of an internal-combustion engine has a camshaft, which can be rotated relative to a shaft driving it. The camshaft has a phase converter with a piston...
5133310 Intake and exhaust control apparatus for internal combustion engines  
An intake-exhaust control system includes a mechanism for changing timings at which the open periods of intake and/or exhaust valves overlap. A control unit cooperates with the valve timing...
5129375 Idler attaching boss construction  
An accessory drive arrangement for an internal combustion engine having belt driven overhead camshafts contained within a belt cover. An accessory mounting boss is affixed to the engine within the...
5129370 Valve timing control device for automotive internal combustion engine clutch mechanism  
A valve timing control device for an internal combustion engine, comprises an engine synchronous rotary member, such as a timing sprocket, timing pulley and so forth, driven by an engine output in...
5121717 Internal combustion engine camshaft phase shift control system  
A modular control mechanism for shifting the phase of a camshaft relative to a crankshaft in an internal combustion engine, accomplished by shifting the angular position of the camshaft relative to...
5117786 Chain tensioner for an internal-combustion engine  
A chain tensioner for an internal-combustion engine comprises a hydraulic piston which is longitudinally guided in a housing bore and on which a tensioning shoe is placed on one side and which,...
5117784 Internal combustion engine camshaft phaseshift control system  
A modular control mechanism for shifting the phase or angular position of a camshaft or camshafts relative to a crankshaft in an internal combustion engine, and utilizing the energy produced by the...
5117785 Valve timing control device for internal combustion engine  
A valve timing control device for an internal combustion engine includes an intermediate rotary component disposed between an input component which is driven in synchronism with an engine...
5113807 Cooling system for engine  
A transversely disposed water cooled internal combustion engine for a motor vehicle that cooperates with a heat exchanger that is disposed transversely to the engine compartment and in parallel...
5111782 Reciprocating engine with a gear drive  
A reciprocating engine has two cylinder banks arranged in a V-shape and a grear drive which originates from the crankshaft and leads to a drive shaft connected with the clutch as well as to...
5111780 Drive arrangement for a camshaft in an internal combustion engine  
A drive arrangement for a camshaft 2 of an internal combustion engine comprises a device for rotating the camshaft 2 relative to a drive wheel 5. This device has a gear-change sleeve 11 coaxial...
5109813 Chain drive tensioning and adjusting arrangement  
An arrangement and method for the hydraulic tensioning and adjusting of a camshaft chain drive has a chain which winds around both camshafts. Together with its tensioning arrangement, the chain is...
5107802 Valve driving mechanism for internal combustion engines  
A valve drive system including mechanisms for varying the timing and lift of intake and exhaust valves in internal combustion engines. In one embodiment, an intake camshaft support member and an...
5107805 Camshaft with extra cam to increase the magnitude of torque pulsations therein  
A torque amplifying camshaft for operating a valve of each of a plurality valves of an internal combustion engine, the camshaft having an elongagte shaftlike portion and an engine valve operating...
5107804 Variable camshaft timing for internal combustion engine  
A camshaft (426) has a vane (460) secured to an end thereof for non-osciling rotation therewith. The camshaft also carries a sprocket (432) which can rotate with the camshaft but which is...
5097804 Phase change device  
A phase change device mounted on a camshaft of an internal combustion engine. The phase change device is mounted on an outwardly extending portion of the camshaft outside of the engine block and...
5095857 Self actuator for cam phasers  
A device (10) for varying the angular phase relationship between a camshaft (12) and a crankshaft (not shown) in response to a control signal including a drive member (18) rotating synchronously...
5088457 Internal combustion engine with a tensioner for the transmission chain between two overhead camshafts  
The chain for transmitting the drive between two overhead camshafts of a combustion engine for motor vehicles has an associated tensioning device comprising a rod-like support body fixed to the...
5088456 Valve timing control system to adjust phase relationship between maximum, intermediate, and minimum advance position  
A valve timing control system has a cylindrical gear member disposed between a rotary element rotating in synchronism with engine revolution and a rotary element rotating in synchronism with a...
5085184 Device for reducing starting load on internal combustion engine  
A device for reducing a load which is imposed on an internal combustion engine when the engine is started, the internal combustion engine having an intake or exhaust valve tappet, which includes a...
5080053 Rotary drives  
A drive mechanism includes an internal gear rotatably mounted on an eccentric, the eccentric being mounted on a drive shaft for rotation therewith, said internal gear having an arm with an elongate...
5076220 Internal combustion engine  
In an internal combustion engine wherein the air inlet ports are opened and closed directly by the reciprocating movement of the piston, the crankshaft is laterally offset from the central plane...
5074260 Valve driving device and valve driving method for internal combustion engine  
A valve train for a four-cycle, double overhead camshaft type internal combustion engine includes apparatus for movably supporting the camshafts that mount the cams which operate the intake and...
5067450 Variable valve timing system having rotational vibration damping  
A variable valve timing system in an engine having a rotating cam-shaft includes a timing pulley driven by the engine and a damper case rotatably fixed to the crank-shaft. A piston is movable in a...
5065720 Engine with mechanical governor and decompression device  
In an engine with a mechanical governor and decompression device, a centrifugal weight of a decompression device is supported by a first side surface, which first side surface faces a valve...
5065709 Valve operating system for internal combustion engine  
In a valve operating system for an internal combustion engine comprising a valve-operation driving force transmission means interposed between a valve operating camshaft and an engine valve carried...
5058458 Camshaft driving mechanism  
A camshaft driving mechanism in an internal combustion engine is disclosed. It comprises a crank sprocket, a cam sprocket and an idler sprocket disposed therebetween, a first timing chain entrained...
5058539 Valve timing adjusting system for internal combustion engine  
A valve timing adjusting system includes mutually parallel axial fluid paths both formed about a fastening bolt which engages with an axial bore formed at the end of a camshaft. One of the axial...
5056477 Apparatus for adjusting a rotational angular relationship between a camshaft and its drive element  
An apparatus for adjusting an angular rotational relationship of a camshaft, serving in particular to actuate gas exchange valves of an internal combustion engine, with respect to its drive...
5056478 Variable camshaft phasing mechanism  
A variable camshaft phasing mechanism is described comprising concentric drive and driven members (12, 10) rotatable respectively with a drive pulley (12) and a camshaft (14). The members (10, 12)...
5046460 Variable camshaft timing for internal combustion engine  
A variable camshaft timing arrangement for an internal combustion engine in hich a camshaft, for example, an intake valve operating camshaft in a dual camshaft engine, is advanced or retarded in...
5040499 Intake- and/or exhaust-valve timing control system for internal combustion engines  
An intake- and/or exhaust-valve timing control system for internal combustion engines comprises a timing pulley including inner and outer gears, a camshaft including an outer gear and a ring gear...