Patent application number | Description | Published |
20080217083 | Vehicle stop/start system with regenerative braking - A vehicle engine stop/start system with regenerative braking comprising a main engine for powering a vehicle having an accessory belt drive system, a motor/generator engaged with the accessory belt drive system, an operator activated switch for selecting an operating mode, in a first operating mode an electric energy storage portion for providing electric power to a heating system when the main engine is off, a relay for preventing operation of the heating system when the main engine is running, in a second operating mode the electric energy storage portion providing electric power to the motor/generator whereby the motor/generator drives an air conditioning compressor when the main engine is off, the air conditioning compressor connected to the accessory belt drive system, a relay for preventing operation of the air conditioning compressor using the motor/generator when the main engine is running, in a third operating mode the motor/generator is used to start the main engine after the main engine has been automatically stopped, and in a fourth operating mode during operation of the main engine the motor/generator generates an electric current during vehicle braking whereby the electric energy storage portion is recharged. | 09-11-2008 |
20080300098 | Damped planetary transmission - A damped planetary transmission comprising an input member, an inertial member connected to the input member, a planetary gear assembly connected to the input member, the planetary gear assembly comprising a carrier member that is directly and fixedly connected to the input member, a brake member engaged with a ring gear of the planetary gear assembly, the planetary gear assembly connected to an output member, a one-way clutch operationally disposed between the input member and the output member, and a vibration isolator directly connected for torque flow between the input member and the one-way clutch. | 12-04-2008 |
20090137353 | Expandable pulley - An expandable pulley comprising a plurality of adjacent segments, each segment being radially moveable, each segment slidingly engaged with a pin member, each pin member having an engagement with each segment such that each segment is moveable in a direction substantially at an angle (α) to a radial along each pin member, a moveable guide member engaged with each segment for spatially locating each segment with respect to another segment, a counterweight cooperatively connected to each segment and cooperatively engageable with each pin member, each counterweight exerting a force opposing a segment centripetal force, and each pin member connected to a hub. | 05-28-2009 |
20090186727 | Tensioner - A tensioner comprising a base, a pivot arm pivotally engaged with the base, a pulley journalled to the pivot arm, the pulley mounted to the inner race of a bearing, the outer race mounted to the pivot arm, a spring engaged between the pivot arm and a damping mechanism, the damping mechanism frictionally engaged with the pivot arm, the damping mechanism slidingly engaged with the base between at least two predetermined mechanically fixable positions, and the pivot arm, spring and damping mechanism contained within a pulley perimeter. | 07-23-2009 |
20090194380 | Isolator with damping - An isolator comprising a hub, a pulley frictionally engaged with the hub through a bushing for instantaneous rotational movement, the bushing and hub having a coefficient of friction, a resilient member engaged between the pulley and the hub for transmitting a torque, and a locking member for retaining the pulley on the hub. | 08-06-2009 |
20090197719 | Torsional decoupler - A torsional decoupler comprising a hub having a hub surface, the hub surface having a profile, a pulley having a pulley surface, the pulley surface having a profile, a frictional member disposed between the hub surface and the pulley surface, the frictional member frictionally engaging at least one of the pulley surface or the hub surface, and the frictional member transmitting a torque between the hub and the pulley such that a movement occurs between the hub and the pulley. | 08-06-2009 |
20090215577 | Planetary transmission - A planetary transmission comprising an input member, an output member, a planetary gear assembly mechanically disposed between the input member and the output member, a centrifugal clutch mechanically disposed between the input member and the output member, a one-way clutch mechanically disposed between the input member and the output member, the one-way clutch for directly coupling the input member and the output member from zero rotational speed up to a first rotational speed, the centrifugal clutch for directly coupling the input member and the output member from a second rotational speed greater than zero rotational speed to a third rotational speed which is in excess of the first rotational speed, and a brake member for selectively controlling rotation of the planetary gear assembly. | 08-27-2009 |
20090286636 | Sealed tensioner - A sealed tensioner comprising a base, an arm pivotally engaged with the base, a spring engaged with the base and the arm, a bushing operationally disposed between the base and the arm, the arm being pivotally engaged with the bushing, a first seal engaged with the arm for preventing a fluid from contacting the bushing, and a second seal engaged with the base for preventing a fluid from contacting the bushing. | 11-19-2009 |
20100116617 | Isolator with one-way clutch - An isolator comprising a one-way clutch engaged with a hub structure, a belt engaging member, a resilient member operationally engaged between the one-way clutch and the belt engaging member, the belt engaging member engaged with the hub structure through a first and second ball bearing where by a radial load is transmitted through the first and second ball bearings, and the one-way clutch disposed between the first and second ball bearings such that no radial load is transmitted through the one-way clutch. | 05-13-2010 |
20100120563 | Damped isolator - A damped isolator comprising a first hub, a first pulley connected to the first hub, a bearing carrier connected to the first hub, an elastomeric member engaged with the first hub, a one-way clutch engaged with the elastomeric member, a bearing received by the bearing carrier, a second hub engaged with the one-way clutch and the bearing, and a second pulley connected to the second hub. | 05-13-2010 |
20110015016 | Tensioner - A tensioner comprising a base having a shaft, a pivot arm engaged with the shaft, a pulley journalled to the pivot arm, an arcuate damping member frictionally engaged with a pivot arm inner surface, a torsion spring having a first end engaged with the pivot arm, the torsion spring having a second end bearing upon the damping member so that upon loading of the torsion spring in the unwinding direction the damping member is compressed between the second end of the torsion spring and the base thereby causing a normal force to be imparted upon the pivot arm by said damping member. | 01-20-2011 |
20110015017 | Tensioner - A tensioner comprising a base having a shaft, a pivot arm engaged with the shaft, a pulley journalled to the pivot arm, an arcuate damping member frictionally engaged with a pivot arm inner surface, a torsion spring having a first end engaged with the pivot arm, the torsion spring having a second end bearing upon the damping member so that upon loading of the torsion spring in the unwinding direction the damping member is compressed between the second end of the torsion spring and the base thereby causing a normal force to be imparted upon the pivot arm by said damping member. | 01-20-2011 |
20110065537 | Isolator decoupler - An isolator decoupler comprising a pulley, a shaft, a bushing slidingly engaged with the pulley and slidingly engaged with the shaft, the pulley journalled to the shaft by a bearing, a one-way clutch fixed to the shaft and engaged with the bushing whereby the bushing rotates in unison with the one-way clutch, a torsion spring engaged between the pulley and the one-way clutch to resiliently couple the pulley to the shaft, and the pulley non-resiliently directly coupleable to the shaft in a temporary predetermined loaded condition. | 03-17-2011 |
20110177897 | Tensioner - A tensioner comprising a base ( | 07-21-2011 |
20110177911 | Planetary gear mechanism for a bicycle - A planetary gear mechanism for a bicycle, and more particularly to a planetary gear mechanism comprising a first planetary mechanism connected coaxially in series to a second planetary mechanism, which second planetary mechanism is connected coaxially in series to a third planetary mechanism, the second planetary mechanism output is a step up in speed from the first planetary mechanism output, the third planetary mechanism output is a step up in speed from the second planetary mechanism output. | 07-21-2011 |
20110177912 | Planetary gear mechanism for a bicycle - A planetary gear mechanism for a bicycle, and more particularly to a planetary gear mechanism comprising a first planetary mechanism connected coaxially in series to a second planetary mechanism, which second planetary mechanism is connected coaxially in series to a third planetary mechanism, the second planetary mechanism output is a step up in speed from the first planetary mechanism output, the third planetary mechanism output is a step up in speed from the second planetary mechanism output. | 07-21-2011 |
20110241306 | Bicycle planetary gear transmission arrangement - A bicycle comprising a frame and at least one wheel attached to the frame, the frame further comprising a receiver, a first planetary gear transmission disposed in the receiver, the wheel having a hub, a second planetary gear transmission disposed in the hub, and an endless member for transmitting a torque trained between the first planetary gear transmission and the second planetary gear transmission. | 10-06-2011 |
20110245000 | Isolator - An isolator comprising a shaft ( | 10-06-2011 |
20110256968 | Isolator - An isolator comprising a shaft ( | 10-20-2011 |
20120015768 | Isolating Pulley - An isolator comprising a hub, a pulley journalled to the hub, the pulley having a stop, the hub having a resilient member for engaging the stop, a torsion spring connected between the pulley and the hub, an inertial member attached to the hub by a flexible member, the inertial member disposed within a pulley receiving portion that is disposed radially inward of a pulley belt engaging surface, and the resilient member having a convex surface for engaging the stop such that a spring rate of the resilient member is non-linear upon a compression against the stop. | 01-19-2012 |
20120028751 | Shift mechanism for a planetary gear transmission - A shift mechanism for a transmission comprising a planetary gear transmission, a shift cam engaged with a planetary gear assembly in the planetary gear transmission, the shift cam having a shift cam stop, a rotatable cable ring connected to a moveable cable, the cable ring comprising a ramped portion, a rotatable ramped ring, the ramped ring comprising a ramped portion cooperatively engaged with the cable ring ramped portion, and further the ramped ring having a stop cooperatively engagable with the shift cam stop, a rotation of the cable ring urges the ramped ring a predetermined distance in a direction normal to the plane of rotation of the cable ring, the shaft cam held against rotation by engagement with the ramped ring, and at which predetermined distance the ramped ring is allowed to rotate with the cable ring simultaneous with the axial movement of the ramped ring, and a spring connected between the cable ring and the shift cam, the shaft cam reacting to the spring force rotates upon rotation of the ramped ring by an amount of rotation that is limited by engagement of the shift cam stop with the ramped ring stop and during which rotation of the shift cam the transmission shifts gears. | 02-02-2012 |
20120088616 | Isolator with Damping - An isolator comprising a hub, a pulley frictionally engaged with the hub through a bushing for instantaneous rotational movement, the bushing and hub having a coefficient of friction, a resilient member engaged between the pulley and the hub for transmitting a torque, and a locking member for retaining the pulley on the hub. | 04-12-2012 |
20120222497 | Belt Test Apparatus - A flexible member test apparatus comprising a driver member having a first diameter and a second diameter, the first diameter is not equal to the second diameter, a first driven member coupled by a first flexible member to the driver member through contact of the first flexible member with a first diameter surface, a second driven member coupled by a second flexible member to the driver member through contact of the second flexible member with a second diameter surface, the first driven member rotationally coupled to a magnetic particle clutch, and the second driven member rotationally coupled to the magnetic particle clutch. | 09-06-2012 |
20120238392 | Belt Planetary Transmission - A belt planetary transmission comprising a sun gear ( | 09-20-2012 |
20120298474 | Isolator Decoupler - An isolating decoupler comprising a shaft, a pulley rotationally engaged with the shaft, a coil spring engaged between the pulley and a spring carrier, the spring carrier moveable relative to the shaft and pulley, a one-way clutch mounted to the shaft, a first torsion spring and a second torsion spring engaged between the spring carrier and the one-way clutch, the first torsion spring and the second torsion spring having a releasable frictional engagement with the one-way clutch, the first torsion spring and the second torsion spring comprising adjacent parallel strands and having substantially equal diameters, the first torsion spring and the second torsion spring each being engagable with the pulley, the first torsion spring releasing a frictional engagement with the one-way clutch upon an engagement with the pulley, and the second torsion spring releasing a frictional engagement with the one-way clutch upon an engagement with the pulley. | 11-29-2012 |
20130081498 | Flywheel Hybrid System - A kinetic energy recovery system for a belt driven accessory system comprising a kinetic energy storage device, a driver having a driver output, a transmission having a gear ratio connected to the driver output, a belt driven accessory system connected to the transmission through a first clutch, the kinetic energy storage device connected to the belt driven accessory system through a second clutch, and the kinetic energy storage device and the transmission connectable through the first clutch and second clutch. | 04-04-2013 |
20130092501 | Alternator Isolating Decoupler - An alternator isolating decoupler comprising an alternator shaft, a one-way clutch engaged with the alternator shaft, a first wrap spring releasably engaged with the one-way clutch, a second wrap spring releasably engaged with the one-way clutch, the second wrap spring arranged in parallel with the first wrap spring, the first wrap spring and the second wrap spring in nested relation, the first wrap spring and the second wrap spring each having an end releasably engagable with an end cap, the end cap fixedly connected to an outer housing, the first wrap spring and the second wrap spring each engaged in series with a torsion spring, the torsion spring engaged with the outer housing, and the outer housing engaged with an alternator rotor. | 04-18-2013 |
20130157800 | Limited Slip Planetary Gear Transmission - A limited slip planetary gear transmission comprising an input member, an output member, a planetary gear set coupled between the input member and the output member, the planetary gear set having a sun gear, and a brake member directly coupled to the sun gear, the brake member controls an output torque of the planetary gear set by controlling a speed of the sun gear. | 06-20-2013 |
20130228995 | PLANETARY GEAR MECHANISM FOR A BICYCLE - A planetary gear mechanism for a bicycle, and more particularly to a planetary gear mechanism comprising a first planetary mechanism connected coaxially in series to a second planetary mechanism, which second planetary mechanism is connected coaxially in series to a third planetary mechanism, the second planetary mechanism output is a step up in speed from the first planetary mechanism output, the third planetary mechanism output is a step up in speed from the second planetary mechanism output. | 09-05-2013 |
20130233670 | Isolator Decoupler - An isolator decoupler comprising a pulley, the pulley journalled to a shaft, a torsion spring having an end engaged with the pulley, the torsion spring loadable in an unwinding direction, a one-way clutch carrier, a one-way clutch disposed between the shaft and the one-way clutch carrier, a wrap spring engagable with an inner surface of the one-way clutch carrier, the wrap spring coupled to the torsion spring, and the wrap spring loadable in the unwinding direction such that the wrap spring through friction is able to lockably engage the inner surface in a driving direction. | 09-12-2013 |
20130324335 | Isolator Decoupler - An isolator decoupler comprising a shaft, a pulley journalled to the shaft, a clutch carrier journalled to the shaft through a one-way clutch, a torsion spring engaged between the pulley and the clutch carrier, the torsion spring loadable in an unwinding direction, the torsion spring and the pulley having a predetermined clearance between a torsion spring outside diameter surface and a pulley inside diameter surface, and whereby the torsion spring outside diameter surface and a pulley inside diameter surface come into a progressive frictional engagement by torque load dependent radial expansion of the torsion spring. | 12-05-2013 |
20140008175 | ISOLATOR DECOUPLER - An isolator decoupler comprising a pulley, a shaft, the pulley journalled to the shaft on a low friction bushing, a spring carrier disposed within the pulley, a torsion spring coupled between the pulley and the spring carrier, a wrap spring one way clutch wrapped about the shaft and having a frictional engagement therewith, the wrap spring one way clutch coupled to the spring carrier, the wrap spring one way clutch is disposed radially inward of the torsion spring, and the pulley temporarily engagable with an end of the wrap spring one way clutch in an unwinding direction whereby a temporary contact between the wrap spring one way clutch end and the pulley will temporarily diminish the frictional engagement of the wrap spring one way clutch with the shaft. | 01-09-2014 |
20140305765 | ISOLATOR DECOUPLER - An isolator decoupler comprising a pulley, a shaft, the pulley journalled to the shaft on a low friction bushing, a spring carrier, the pulley journalled to the spring carrier on a low friction bushing, the spring carrier journalled to the shaft on a low friction bushing, a torsion spring coupled between the pulley and the spring carrier, a one way clutch spring frictionally engaged with the shaft, the one way clutch spring coupled to the spring carrier, the one way clutch spring is disposed radially inward of the torsion spring, and the pulley temporarily engagable with an end of the one way clutch spring whereby the frictional engagement of the one way clutch spring with the shaft is temporarily diminished. | 10-16-2014 |
20150045162 | BELT TRANSMISSION - A belt transmission comprising a housing, a first belt trained between a first shaft and a first intermediate shaft, a second belt trained between the first intermediate shaft and a second intermediate shaft, a third belt trained between the second intermediate shaft and a second shaft, a first tensioner and second tensioner each engaged with the housing and each engaged about the first intermediate shaft whereby each tensioner exerts a force upon the first intermediate shaft which thereby imparts a tension to the first belt and to the second belt, and a third tensioner and fourth tensioner each engaged with the housing and each engaged about the second intermediate shaft whereby each tensioner exerts a force upon the second intermediate shaft which thereby imparts a tension to the second belt and to the third belt. | 02-12-2015 |