Matches 1 - 50 out of 199 1 2 3 4 >


Match Document Document Title
US20120122619 RATCHET-TYPE TENSIONER  
In a ratchet tensioner, rack teeth on a plunger are engaged by ratchet teeth on one end of a movable plug that slides in a hole in the tensioner housing along a direction orthogonal of the...
US20130310206 RATCHET-TYPE TENSIONER  
In a ratchet-type tensioner having a plunger with rack teeth formed thereon and a piston with ratchet teeth that engage the rack teeth, the ratchet teeth can be disengaged from the rack teeth by...
US20110183796 RATCHET-TYPE TENSIONER  
In a ratchet-type tensioner having a toothed ratchet piston biased toward a rack of teeth formed on a protruding plunger in a direction transverse to the direction of plunger movement, the rack...
US20110256970 CHAIN TENSIONER  
In a hydraulic tensioner, a tensioner housing is provided with an oil outflow channel communicating with a high pressure oil chamber formed by a plunger and the tensioner housing. A control valve...
US20120252615 HYDRAULIC TENSIONER  
A hydraulic tensioner applies appropriate tension to an endless power transmitting belt. The hydraulic tensioner includes a plunger body, an oil supply path, a check valve, a relief valve, a...
US20120225743 Rachet-Type Tensioner  
A ratchet-type tensioner capable of restricting setback of a plunger includes a ratchet mechanism that allows setback of the plunger by sliding a ratchet element in a disengaging direction to...
US20100087286 PNEUMATIC BASE FOR FACILITATING THE INSTALLATION AND TENSIONING OF A DRIVE BELT  
A belt tensioner comprises a belt trained on a drive pulley driven by a drive unit mounted on a base supported on an air-spring bellows linearly extendable under fluid pressure from a collapsed...
US20150024887 HYDRAULIC TIMING CHAIN TENSIONER AND TIMING CHAIN SYSTEM  
The present invention relates to a timing chain system including a hydraulic pressure timing chain tensioner autonomously controlling a hydraulic pressure for maintaining tension of a timing chain...
US20120309570 RING-TYPE TENSIONER  
In a ring-type tensioner, an expansible elastic ring disposed in a groove formed in the wall of a plunger-accommodating hole cooperates with teeth formed on the plunger to restrict axial movement...
US20100035712 ATTACHMENT ARRANGEMENT FOR A TRACTION MECHANISM TENSIONER  
An attachment arrangement (1) for a traction mechanism tensioner (3, 3′) on a motor vehicle is provided, wherein the traction mechanism tensioner (3, 3′) has a tensioning unit (30, 30′) that is in...
US20070087876 Multi-stage spring for track tensioning system  
A multi-stage spring for maintaining tension in a track of a tracked vehicle is provided. The multi-stage spring can urge the idler wheel in a first manner when the vehicle is accelerated or...
US20080081717 Compound Chain Drive Guide  
A tensioner assembly for a drive system, including a chain, of an internal combustion engine, includes a housing that is fixedly secured to the internal combustion engine. A piston is disposed...
US20130116072 Electric Cylinder  
An electric cylinder has a cylinder housing and a clamping assembly in the cylinder housing. An electric motor assembly is coupled with the clamping assembly to drive the clamping assembly between...
US20110021298 CHAIN TENSIONER  
In a chain tensioner, an expansible ring is disposed in an internal groove formed in the inner wall of a plunger-accommodating hole near an open end thereof. The ring cooperates with grooves...
US20120196709 RATCHET-TYPE TENSIONER  
There is provided a ratchet-type tensioner whose spring stopping washer for seating a ratchet biasing spring is rigidly and readily assembled to a ratchet-receiving hole so as not to fall out of...
US20110081997 RATCHETING TENSIONER WITH A SLIDING AND PIVOTING PAWL  
A tensioner with a piston is slidably received with a bore (216) of the housing and has a plurality of grooves (204b) formed on its outer circumference. A piston spring (226) biases the piston...
US20100075789 PIVOT ARM TENSIONER WITH SLIDING RATCHET MECHANISM  
An engine chain or belt tensioning system includes a tensioner pivot arm with a ratcheting means that includes backlash in an engine timing system. The tensioner system includes a tensioner pivot...
US20140087902 TENSIONING DEVICE FOR A TRACTION-DEVICE DRIVE  
A tensioning device (08) for a traction-device drive having a dynamically operable tensioning element (04) which acts on a traction device (03). It is a feature of the tensioning device that it...
US20090325749 ROTATIONAL ONE WAY CLUTCH CHAIN TENSIONER WITH FRICTIONAL DAMPING  
A tensioner for a power transmission system includes two tensioning arms operatively engaged with a strand of either the chain or the belt of the power transmission system. The upper end of each...
US20100298077 RATCHET-TYPE TENSIONER  
In a ratchet-type tensioner, a rocking ratchet pawl is released from a rack of teeth on a tensioner plunger following engine start-up by a hydraulically operated pin slidable in a pin hole and...
US20130288836 HYDRAULIC TENSIONER  
Deaeration of the high pressure oil chamber of a hydraulic tensioner takes place though a helical orifice formed by opposed flanks of the threads of a threaded hole in the tensioner housing and...
US20110152022 TENSIONER UNIT  
A tensioner unit comprises a tensioner body, a gasket in overlapping relationship to the tensioner body whereby the gasket can be sandwiched between the tensioner body and a mounting surface to...
US20130178317 Tensioning Device with Damping Channel in the Fluid Supply System  
The damping device of the tensioning device has at least one damping channel that is open in both flow directions as a component of the fluid supply in such a way that during operation at least a...
US20140187369 CHAIN DRIVE TENSIONER SPRING FORCE CONTROL MECHANISM  
A tensioner which adjusts the mean tensioner force to keep the chain tension as low as possible without sacrificing chain control, significantly improving drive efficiency as the chain wears and...
US20140187368 CHAIN DRIVE TENSIONER SPRING FORCE CONTROL MECHANISM  
A tensioner which adjusts the mean tensioner force to keep the chain tension as low as possible without sacrificing chain control, significantly improving drive efficiency as the chain wears and...
US20140187367 CHAIN DRIVE TENSIONER SPRING FORCE CONTROL MECHANISM  
A tensioner which adjusts the mean tensioner force to keep the chain tension as low as possible without sacrificing chain control, significantly improving drive efficiency as the chain wears and...
US20150024888 DISPLACEMENT EQUALIZING HYDRAULIC TENSIONER FOR MULTI-STRAND ENDLESS CHAIN  
A method and apparatus for tensioning multi-strand endless chain conveyors ensuring equal displacement and constant alignment of each strand of endless chain. Included are a hydraulically actuated...
US20060293133 Dual pivoting pawl tensioner  
A tensioner including a housing, a piston, a piston spring, a first pawl and a second pawl. The housing has a bore for slidably receiving a piston. The piston has a plurality of teeth formed along...
US20140364257 HYDRAULICALLY RATCHETED CHAIN TENSIONER  
A hydraulically ratcheted tensioner is provided. The tensioner includes a tensioner housing and a plunger including a groove is located partially in a piston chamber in the tensioner housing. The...
US20060270502 Tensioner for simultaneously tensioning multiple strands  
A tensioner system imparting tension to a chain comprising a pair of tensioner arms, at least one link piece, and a tensioner. The pair of tensioner arms have a pivoting end for rotation about a...
US20120252616 AIR BLEEDING VALVE FOR HYDRAULIC TENSIONER OF AN ENGINE AND HYDRAULIC TENSIONER INCORPORATING SAME  
An air bleeding valve includes an annular valve element for removing air from oil contained in a hydraulic circuit of a hydraulic tensioner and for suppressing the removal of the oil. An air...
US20080070731 CAMSHAFT DRIVE SYSTEM FOR INTERNAL COMBUSTION ENGINE  
A camshaft drive system for an internal combustion engine includes a drive sprocket fixed upon a crankshaft of the engine and a driven sprocket fixed upon a camshaft of the engine. A flexible...
US20130331212 TENSIONER  
In a tensioner having a housing and a plunger protruding in an advancing direction from a plunger-accommodating hole formed in the housing. The plunger has a cylindrical outer wall for sliding...
US20080020876 Tension Adjusting Device for Engine Accessory Driving Belt  
A tension adjusting device for an engine accessory driving belt is provided which can maintain high sealability in the bearing portion about which a pulley arm supporting a tension pulley pivots...
US20080293526 Hydraulic Tensioner with a Band Type Check Valve  
A hydraulic tensioner is described. The hydraulic tensioner hasincludes an inlet portion which defines a pressurized fluid inlet. The hydraulic tensioner also hasincludes a housing defining a...
US20140349795 INTERNAL COMBUSTION ENGINE AND MOTORCYCLE EQUIPPED WITH THE ENGINE  
An internal combustion engine includes a cam chain chamber accommodating a cam chain and a chain guide guiding the cam chain. The engine also includes a chain tensioner including a case main body,...
US20150240918 HYDRAULIC TENSIONER DEVICE  
In a hydraulic tensioner device in which a high hydraulic pressure chamber is configured between a plunger accommodation hole of a tensioner body accommodating a plunger and the plunger to...
US20150260264 BELT SLIP MONITOR  
A belt slip monitor system and method configured to determine whether a belt coupled to a motor-generator is slipping based on operational states of first and second movable portions of the belt...
US20140200104 CHAIN TENSIONER  
To provide a chain tensioner that has a simple structure, is universally usable, is capable of supplying sufficient and necessary oil when restarted after a long time after the stop of oil supply,...
US20140100068 CHAIN TENSIONER  
To provide a chain tensioner that has a simple structure, is universally usable and capable of supplying sufficient and necessary oil when restarted after a long time after the stop of oil supply,...
US20070243961 RATCHETING TENSIONER WITH OVERRIDE  
Sustained over-tensioning of a power transmission device, such as a chain drive in an internal combustion engine, is prevented by overriding a tensioner ratchet mechanism to permit retraction of a...
US20140378253 HYDRAULIC AUTO-TENSIONER  
A hydraulic auto-tensioner includes a sleeve having its bottom end press-fitted in a sleeve fitting hole in the bottom surface of a cylinder, a rod having its bottom end slidably fitted in the...
US20110015013 HYDRAULIC TENSIONING SYSTEM COMPRISING INTEGRATED OVERPRESSURE VALVE  
A hydraulic tensioning system (1), which is used in traction mechanism drives, particularly chain drives of internal combustion engines, is provided. The tensioning system (1) includes a piston...
US20140057748 HYDRAULIC AUTO-TENSIONER  
A hydraulic auto-tensioner includes a cylinder with a sleeve fitting hole, and a sleeve press-fitted therein. A rod has its bottom end slidable in the sleeve. A return spring is mounted between a...
US20130260931 HYDRAULIC AUTO-TENSIONER  
A hydraulic auto-tensioner includes a cylinder containing hydraulic oil, a sleeve received in the cylinder, and a rod having its bottom end slidably inserted in the sleeve, defining a pressure...
US20100197431 CHAIN TENSIONER  
A chain tensioner (1) having a plunger (12) slidably assembled in a cylinder portion (13) together with a return spring (11), the chain tensioner (1) further has a stopper plate (22) having a...
US20110251000 ENDLESS TRACTION MECHANISM TENSIONER  
A tensioning device for an endless traction mechanism for a motor is provided and includes a housing (1) that has a cylinder chamber (9) for holding hydraulic fluid, a piston (2) that is supported...
US20120178563 Drive Belt System of Hybrid Engine  
A drive belt system of a hybrid engine, may include a crankshaft pulley that may be disposed to be rotated by an engine, a hybrid starter generator (HSG) pulley that may be disposed with a...
US20050096166 Hydraulic tensioner  
A hydraulic tensioner comprises a housing, a downwardly projecting plunger engageable with a power transmission chain, and a cylindrical check valve unit. The check valve unit delivers oil under...
US20130017913 PRESSURE RELIEF VALVE IN A TENSIONING SYSTEM  
A tensioning system for an internal combustion engine, including a traction mechanism, a rail on which the traction mechanism runs, and a hydraulic tensioning device, the tensioning device having...

Matches 1 - 50 out of 199 1 2 3 4 >