F16H 9/18 - Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts only one flange of each pulley being adjustable
F16H 55/56 - Pulleys or friction discs of adjustable construction of which the bearing parts are relatively axially adjustable
F16H 61/662 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings with endless flexible members
2.
Spring and damper assembly for a centrifugal clutch in a continuously variable transmission
A spring and damper assembly for a centrifugal clutch for a CVT, the CVT having a clutch hub rotatably located within a drum and a plurality of clutch shoes slidingly disposed within the clutch hub. Each shoe includes a spring cavity, the spring and damper assembly being located within the spring cavity. The spring and damper assembly includes a spring disposed within the spring cavity and a spring retainer located within the spring cavity and positioned against one end of the spring. The spring retainer is engaged with the clutch hub and configured to locate the spring within the spring cavity. A dampener is located within the spring. The dampener is made from a material configured to reduce motion of the spring.
F16D 43/18 - Internally controlled automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial componentInternally controlled automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses themselves being the clutching members with friction clutching members
A positive drive differential assembly including a differential with an input pinion configured to operably engage with a drive shaft so as to permit the drive shaft to rotate the pinion. A bi-directional overrunning clutch assembly is configured to transmit torque between the pinion and two drive axle segments. A pinion disconnect assembly is provided for controlling transmission of rotation to the pinion and including a rotary coupler. A linear actuator is connected to the rotary coupler and configured to translate the rotary coupler between connected and disconnected positions.
B60K 17/346 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear the transfer gear being a differential gear
B60K 23/04 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for differential gearing
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
A driven clutch for a continuously variable transmission including a belt. The driven clutch includes a first sheave, a roller, a second sheave, an engine braking helix including an engine braking ramp, and an acceleration helix including an acceleration ramp. (1) When the belt applies torque to the first sheave and the second sheave in an acceleration direction, the acceleration helix is secured to and rotates together with the second sheave and the roller contacts the acceleration ramp to pinch the belt between the first sheave and the second sheave. (2) When the belt applies torque to the first sheave and the second sheave in an engine braking direction opposite the acceleration direction, the engine braking helix is secured to and rotates together with the second sheave and the roller contacts the engine braking ramp to pinch the belt between the first sheave and the second sheave.
F16H 61/662 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings with endless flexible members
F16H 55/56 - Pulleys or friction discs of adjustable construction of which the bearing parts are relatively axially adjustable
F16H 61/66 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings
A positive drive differential assembly including a differential with an input pinion configured to operably engage with a drive shaft so as to permit the drive shaft to rotate the pinion. A bi-directional overrunning clutch assembly is configured to transmit torque between the pinion and two drive axle segments. A pinion disconnect assembly is provided for controlling transmission of rotation to the pinion and including a rotary coupler. A linear actuator is connected to the rotary coupler and configured to translate the rotary coupler between connected and disconnected positions.
B60K 23/08 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels
6.
Positive drive differential with pinion disconnect
A positive drive differential assembly including a differential with an input pinion configured to operably engage with a drive shaft so as to permit the drive shaft to rotate the pinion. A bi-directional overrunning clutch assembly is configured to transmit torque between the pinion and two drive axle segments. A pinion disconnect assembly is provided for controlling transmission of rotation to the pinion and including a rotary coupler. A linear actuator is connected to the rotary coupler and configured to translate the rotary coupler between connected and disconnected positions.
B60K 23/00 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
B60K 23/08 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels
7.
Flexible armature plate for an electro-magnetic overrunning clutch
An electro-magnetic coil assembly mounted to a clutch assembly, the electromagnetic coil assembly including a coil mounted within an annular coil housing and a flexible armature plate. The coil assembly adapted to generate an electromagnetic field between the coil and the armature plate for attracting the armature plate to the coil assembly. The flexible armature plate includes an annular plate with an outer edge and an inner edge, the outer edge defining an outer periphery, the inner edge defining an inner periphery. Tangs spaced about the inner periphery extending radially inward from the inner edge. Inner notches spaced about the inner periphery of the annular plate and extending radially outward to a point at least halfway in the radial direction between the inner edge and the outer edge. Outer notches spaced about the outer periphery between and extending radially inward.
F16D 27/108 - Magnetically-actuated clutchesControl or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members
B60K 17/35 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speeds including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches
F16D 27/14 - Magnetically-actuated clutchesControl or electric circuits therefor Details
F16D 41/067 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical and the members being distributed by a separate cage encircling the axis of rotation
F16D 41/08 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface with provision for altering the freewheeling action
F16H 48/24 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using positive clutches or brakes
F16H 48/34 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
H01F 7/20 - ElectromagnetsActuators including electromagnets without armatures
8.
CENTER DIFFERENTIAL AND DRIVE SYSTEM FOR FOUR-WHEEL DRIVE VEHICLE
An on-demand four-wheel drive system includes a differential for the rear axle, a differential for the front axle, and a center differential connecting to the front and rear axle differentials. All three of the differentials contain a bi-directional overrunning roller clutch to enable locking of their respective outputs. The clutches provide a superior on- demand four- wheel drive system that distributes power to each drive wheel to propel the vehicle.
B60K 17/34 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
B60K 23/04 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for differential gearing
9.
Center differential and drive system for four wheel drive
An on-demand four-wheel drive system includes a differential for the rear axle, a differential for the front axle, and a center differential connecting to the front and rear axle differentials. All three of the differentials contain a bi-directional overrunning roller clutch to enable locking of their respective outputs. The clutches provide a superior on-demand four-wheel drive system that distributes power to each drive wheel to propel the vehicle.
F16H 48/11 - Differential gearings with gears having orbital motion with orbital spur gears having intermeshing planet gears
F16H 48/34 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
F16H 48/20 - Arrangements for suppressing or influencing the differential action, e.g. locking devices
F16H 48/10 - Differential gearings with gears having orbital motion with orbital spur gears
10.
OUTPUT HUB SUPPORTS FOR A BI-DIRECTIONAL OVERRUNNING CLUTCH DIFFERENTIAL
A bi-directional overrunning clutch differential is configured to transmit power from an input shaft to a first output shaft and a second output shaft in a vehicle. The differential includes a differential housing having a first bearing seat and a second bearing seat. A first bearing is carried by the differential housing in the first bearing seat, and a second bearing is carried by the differential housing in the second bearing seat. A first retaining ring secures the first bearing in the first bearing seat, and a second retaining ring secures the second bearing in the second bearing seat. A first output hub is carried by the first bearing for rotation relative to the differential housing, and a second output hub is carried by the second bearing for rotation relative to the differential housing.
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
F16H 48/22 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using friction clutches or brakes
F16H 48/34 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
A bi-directional overrunning clutch differential is configured to transmit power from an input shaft to a first output shaft and a second output shaft in a vehicle. The differential includes a differential housing having a first bearing seat and a second bearing seat. A first bearing is carried by the differential housing in the first bearing seat, and a second bearing is carried by the differential housing in the second bearing seat. A first retaining ring secures the first bearing in the first bearing seat, and a second retaining ring secures the second bearing in the second bearing seat. A first output hub is carried by the first bearing for rotation relative to the differential housing, and a second output hub is carried by the second bearing for rotation relative to the differential housing.
F16H 48/16 - Differential gearings without gears having orbital motion with freewheels
F16D 41/067 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical and the members being distributed by a separate cage encircling the axis of rotation
F16D 41/08 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface with provision for altering the freewheeling action
F16H 48/20 - Arrangements for suppressing or influencing the differential action, e.g. locking devices
F16H 48/42 - Constructional details characterised by features of the input shafts, e.g. mounting of drive gears thereon
F16H 48/34 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
A coupling for connecting an input shaft to an output shaft through a bi- directional overrunning clutch assembly. A portion of the input shaft is located within an internal cavity of the output shaft. The bi-directional roller clutch assembly selectively connects and disconnects the input and output shafts from one another. A drive plate is disposed about and attached to a portion of the input shaft so as to rotate in combination therewith. The drive plate is rotationally connected to a clutch housing of the clutch assembly such that rotation of the input shaft produces corresponding rotation of the clutch housing. A torsion spring is positioned within a spring retainer and engaged with at least one of either the spring retainer or the clutch housing. An engagement control assembly controls the engagement and disengagement of the clutch assembly and a coil housing mounted in the cover and a coil mounted in the coil housing, the coil is connected to a switch for controlling the supply of current to the coil. The coil having an active state for generating magnetic flux when power is sent to the coil, and an inactive state when no power is sent to the coil and no magnetic flux is generated. At least one armature plate is disposed about the output shaft and positioned near the coil.
B60K 25/02 - Auxiliary drives directly from an engine shaft
F16D 15/00 - Clutches with wedging balls or rollers or with other wedgeable separate clutching members
F16D 27/10 - Magnetically-actuated clutchesControl or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings
F16D 27/14 - Magnetically-actuated clutchesControl or electric circuits therefor Details
A coupling for connecting an input shaft to an output shaft through a bi-directional overrunning clutch assembly. A portion of the input shaft is located within an internal cavity of the output shaft. The bi-directional roller clutch assembly selectively connects and disconnects the input and output shafts from one another. A drive plate is disposed about and attached to a portion of the input shaft so as to rotate in combination therewith. The drive plate is rotationally connected to a clutch housing of the clutch assembly such that rotation of the input shaft produces corresponding rotation of the clutch housing. A torsion spring is positioned within a spring retainer and engaged with at least one of either the spring retainer or the clutch housing. An engagement control assembly controls the engagement and disengagement of the clutch assembly and a coil housing mounted in the cover and a coil mounted in the coil housing, the coil is connected to a switch for controlling the supply of current to the coil. The coil having an active state for generating magnetic flux when power is sent to the coil, and an inactive state when no power is sent to the coil and no magnetic flux is generated. At least one armature plate is disposed about the output shaft and positioned near the coil.
F16H 1/32 - Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
H02K 7/108 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction clutches
F16D 41/08 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface with provision for altering the freewheeling action
F16D 27/105 - Magnetically-actuated clutchesControl or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with a helical band or equivalent member co-operating with a cylindrical coupling surface
14.
FLEXIBLE ARMATURE PLATE FOR AN ELECTRO-MAGNETIC OVERRUNNING CLUTCH
An electro-magnetic coil assembly mounted to a clutch assembly, the electromagnetic coil assembly including a coil mounted within an annular coil housing and a flexible armature plate. The coil assembly adapted to generate an electromagnetic field between the coil and the armature plate for attracting the armature plate to the coil assembly. The flexible armature plate includes an annular plate with an outer edge and an inner edge, the outer edge defining an outer periphery, the inner edge defining an inner periphery. Tangs spaced about the inner periphery extending radially inward from the inner edge. Inner notches spaced about the inner periphery of the annular plate and extending radially outward to a point at least halfway in the radial direction between the inner edge and the outer edge. Outer notches spaced about the outer periphery between and extending radially inward.
F16D 27/00 - Magnetically-actuated clutchesControl or electric circuits therefor
F16D 27/10 - Magnetically-actuated clutchesControl or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings
F16D 27/108 - Magnetically-actuated clutchesControl or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members
F16D 27/14 - Magnetically-actuated clutchesControl or electric circuits therefor Details
F16D 41/064 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
15.
FLEXIBLE ARMATURE PLATE FOR AN ELECTRO-MAGNETIC OVERRUNNING CLUTCH
An electro-magnetic coil assembly mounted to a clutch assembly, the electromagnetic coil assembly including a coil mounted within an annular coil housing and a flexible armature plate. The coil assembly adapted to generate an electromagnetic field between the coil and the armature plate for attracting the armature plate to the coil assembly. The flexible armature plate includes an annular plate with an outer edge and an inner edge, the outer edge defining an outer periphery, the inner edge defining an inner periphery. Tangs spaced about the inner periphery extending radially inward from the inner edge. Inner notches spaced about the inner periphery of the annular plate and extending radially outward to a point at least halfway in the radial direction between the inner edge and the outer edge. Outer notches spaced about the outer periphery between and extending radially inward.
F16D 27/10 - Magnetically-actuated clutchesControl or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings
F16D 27/00 - Magnetically-actuated clutchesControl or electric circuits therefor
F16D 27/108 - Magnetically-actuated clutchesControl or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members
F16D 27/14 - Magnetically-actuated clutchesControl or electric circuits therefor Details
F16D 41/064 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
16.
Flexible armature plate for an electro-magnetic overrunning clutch
An electro-magnetic coil assembly mounted to a clutch assembly, the electro-magnetic coil assembly including a coil mounted within an annular coil housing and a flexible armature plate. The coil assembly adapted to generate an electromagnetic field between the coil and the armature plate for attracting the armature plate to the coil assembly. The flexible armature plate includes an annular plate with an outer edge and an inner edge, the outer edge defining an outer periphery, the inner edge defining an inner periphery. Tangs spaced about the inner periphery extending radially inward from the inner edge. Inner notches spaced about the inner periphery of the annular plate and extending radially outward to a point at least halfway in the radial direction between the inner edge and the outer edge. Outer notches spaced about the outer periphery between and extending radially inward to a point at least halfway in the radial direction between the outer edge and the inner edge.
A bi-directional overrunning clutch for transmitting torque to drive axle halves includes a clutch housing that attaches to an input gear, and hubs that attach to the axle halves. A pair of roll cages located within the housing adjacent to the hubs have rollers. The rollers wedge between the hubs and first tapered portions on the clutch housing when the roll cage is rotated forward relative to the housing, and between the hubs and second tapered portions on the clutch housing when the roll cage is rotated in the opposite direction. Springs hold the rollers engaged with recesses in the hubs, but let the rollers lift to permit relative rotation of the hubs and roll cages. Relative rotation between the roll cages is limited: when one roll cage is wedged, the other can move only as far as a free position midway between the first and second tapered portions.
F16D 41/08 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface with provision for altering the freewheeling action
F16D 41/067 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical and the members being distributed by a separate cage encircling the axis of rotation
B60K 17/02 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
F16D 41/06 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
B62D 11/00 - Steering non-deflectable wheelsSteering endless tracks or the like
18.
BI-DIRECTIONAL OVERRUNNING CLUTCH WITH OUTER SPRING FOR A DRIVE AXLE
A bi-directional overrunning clutch for transmitting torque to drive axle halves includes a clutch housing that attaches to an input gear, and hubs that attach to the axle halves. A pair of roll cages located within the housing adjacent to the hubs have rollers. The rollers wedge between the hubs and first tapered portions on the clutch housing when the roll cage is rotated forward relative to the housing, and between the hubs and second tapered portions on the clutch housing when the roll cage is rotated in the opposite direction, Springs hold the rollers engaged with recesses in the hubs, but let the rollers lift to permit relative rotation of the hubs and roll cages. Relative rotation between the roll cages is limited: when one roll cage is wedged, the other can move only as far as a free position midway between the first and second tapered portions.
F16D 3/34 - Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slideably connected in which the coupling is specially adapted to constant velocity-ratio parts being connected by ridges, pins, balls, or the like guided in grooves or between cogs
19.
BI-DIRECTIONAL OVERRUNNING CLUTCH WITH OUTER SPRING FOR A DRIVE AXLE
A bi-directional overrunning clutch for transmitting torque to drive axle halves includes a clutch housing that attaches to an input gear, and hubs that attach to the axle halves. A pair of roll cages located within the housing adjacent to the hubs have rollers. The rollers wedge between the hubs and first tapered portions on the clutch housing when the roll cage is rotated forward relative to the housing, and between the hubs and second tapered portions on the clutch housing when the roll cage is rotated in the opposite direction, Springs hold the rollers engaged with recesses in the hubs, but let the rollers lift to permit relative rotation of the hubs and roll cages. Relative rotation between the roll cages is limited: when one roll cage is wedged, the other can move only as far as a free position midway between the first and second tapered portions.
F16D 3/34 - Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slideably connected in which the coupling is specially adapted to constant velocity-ratio parts being connected by ridges, pins, balls, or the like guided in grooves or between cogs
20.
Twin ratio differential with bi-directional overrunning clutch
A front differential for a four wheel drive vehicle including a pinion assembly with first and second pinions that are engaged with a ring gear assembly with first and second ring gears. The first pinion and first ring gear combination are rotatable independent from the second pinion and second ring gear combination, thus permitting one to rotate relative to the other. The first pinion and first ring gear combination are adapted to rotate one driven shaft, and the second pinion and second ring gear combination are adapted to rotate the other driven shaft. A bi-directional overrunning clutch assembly is engaged with an end of the drive shaft and includes one set of rolls located adjacent to the first pinion shaft, and another set of rolls located adjacent to the second pinion shaft. The clutch assembly control torque transmission between the pinion shafts and the drive shaft.
F16H 48/12 - Differential gearings without gears having orbital motion
F16D 41/08 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface with provision for altering the freewheeling action
B60K 17/34 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
B60K 23/08 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels
B60K 17/02 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
A drive train for a four wheel drive vehicle including a front differential engaged with a front drive shaft and front axles through a front differential gear set. The front differential includes a front bi-directional overrunning clutch that controls transmission of torque transfer between the front drive shaft and the front axles. A rear differential is engaged with rear axles and the transmission through a rear differential gear set. The rear differential includes a rear bi-directional overrunning clutch that controls torque transfer between the transmission and the rear axles. The differentials are configured with a gear ratio that is within five percent of a 1 :1 gear ratio.
B60K 17/02 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
B60K 17/26 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of freewheel device
B60K 17/344 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
B60K 23/08 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels
A drive train for a four wheel drive vehicle including a front differential engaged with a front drive shaft and front axles through a front differential gear set. The front differential includes a front bi-directional overrunning clutch that controls transmission of torque transfer between the front drive shaft and the front axles. A rear differential is engaged with rear axles and the transmission through a rear differential gear set. The rear differential includes a rear bi-directional overrunning clutch that controls torque transfer between the transmission and the rear axles. The differentials are configured with a gear ratio that is within five percent of a 1 :1 gear ratio.
B60K 23/08 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels
23.
BI-DIRECTIONAL OVERRUNNING CLUTCH WITH IMPROVED INDEXING MECHANISM
A bi-directional overrunning clutch assembly for engaging secondary driven shafts in a four wheel drive vehicle. The assembly includes a differential housing with a pinion input gear rotatably disposed within it that is engaged to a drive shaft. A bi-directional overrunning clutch housing is engaged to the pinion gear. A roll cage assembly is located inside the clutch housing. A pair of hubs are positioned within the roll cage assembly and connected to the secondary driven shafts. An electromagnetic system controls indexes the roll cage in a first direction relative to the clutch housing using a first indexing device for coupling the secondary drive shaft to the secondary driven axles when four wheel drive is needed, and in an opposite direction using a second indexing device when an engine braking condition is needed. A spring assembly is preferably used to bias the roll cage back to a neutral position.
A bi-directional overrunning clutch assembly for engaging secondary driven shafts in a four wheel drive vehicle. The assembly includes a differential housing with a pinion input gear rotatably disposed within it that is engaged to a drive shaft. A bi-directional overrunning clutch housing is engaged to the pinion gear. A roll cage assembly is located inside the clutch housing. A pair of hubs are positioned within the roll cage assembly and connected to the secondary driven shafts. An electromagnetic system controls indexes the roll cage in a first direction relative to the clutch housing using a first indexing device for coupling the secondary drive shaft to the secondary driven axles when four wheel drive is needed, and in an opposite direction using a second indexing device when an engine braking condition is needed. A spring assembly is preferably used to bias the roll cage back to a neutral position.
A bi-directional overrunning clutch includes a housing and a pair of hubs substantially coaxially aligned within the housing. A pair of roll cages position a plurality of rollers between each hub and an inner cam surface of the housing. The rollers are positioned to wedge between the hub and the inner cam surface when one of the hub and the housing is rotated with respect to the other. End cap's are attached to the housing adjacent to the hubs. A friction disk mechanism includes a friction plate rotating in combination with each the roll cage and a spring compressed between the end cap and the roil cage for biasing the friction member into frictional contact with the hub. An intermittent coupler is located between each roll cage and configured to engage the roll cages so as to permit indexing of one roll cage relative to the other.
A bi-directional overrunning clutch includes a housing and a pair of hubs substantially coaxially aligned within the housing. A pair of roll cages position a plurality of rollers between each hub and an inner cam surface of the housing. The rollers are positioned to wedge between the hub and the inner cam surface when one of the hub and the housing is rotated with respect to the other. End cap's are attached to the housing adjacent to the hubs. A friction disk mechanism includes a friction plate rotating in combination with each the roll cage and a spring compressed between the end cap and the roil cage for biasing the friction member into frictional contact with the hub. An intermittent coupler is located between each roll cage and configured to engage the roll cages so as to permit indexing of one roll cage relative to the other.
A bi-directional overrunning clutch assembly for engaging secondary driven shafts in a four wheel drive vehicle. The assembly includes a differential housing with a pinion input gear rotatably disposed within it that is engaged to a drive shaft. A bi-directional overrunning clutch housing is engaged to the pinion gear. A roll cage assembly is located inside the clutch housing. A pair of hubs are positioned within the roll cage assembly and connected to the secondary driven shafts. An electromagnetic system controls indexes the roll cage in a first direction relative to the clutch housing a first indexing device for coupling the secondary drive shaft to the secondary driven axles when four wheel drive is needed, and in an opposite direction using a second indexing device when an engine braking condition is needed. A spring assembly is preferably used to bias the roll cage back to a neutral position.
A system for dressing centrifugal clutches has a drum tool with an internal abrasive surface, and a flap tool with abrasive flaps. The drum tool can replace the clutch drum on the clutch driven shaft to dress the clutch shoes, or the flap tool can replace the clutch shoes and mechanism on the clutch drive shaft, which may be the engine crankshaft, to dress the clutch drum. In either case, the tool being used and the component being dressed can accurately simulate the engagement of the clutch shoes and clutch drum in operation, so that the clutch drum and shoes can be accurately dressed to the correct shape, matching each other, for use.
B24B 5/00 - Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfacesAccessories therefor
B24B 19/28 - Single purpose machines or devices for particular grinding operations not covered by any other main group for grinding workpieces with arcuate surfaces, e.g. parts of car bodies, bumpers or magnetic recording heads for grinding shoes or linings of drum brakes
B24D 9/00 - Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper
A drive train for a four wheel drive vehicle including a front differential engaged with a front drive shaft and front axles through a front differential gear set. The front differential includes a front bi-directional overrunning clutch that controls transmission of torque transfer between the front drive shaft and the front axles. A rear differential is engaged with rear axles and the transmission through a rear differential gear set. The rear differential includes a rear bi-directional overrunning clutch that controls torque transfer between the transmission and the rear axles. The differentials are configured with a gear ratio that is within five percent of a 1:1 gear ratio.
B60K 23/08 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels
B60K 17/02 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
B60K 17/26 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of freewheel device
B60K 17/344 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
F16H 48/16 - Differential gearings without gears having orbital motion with freewheels
A friction drive clutch includes a hub, a thrust plate that rotates with and is axially slidable on the hub, a first housing rotatable with respect to the hub and including at least two first ramped members each having a sloped face, a second housing rotatable with respect to the thrust plate and axially movable together with the thrust plate, the second housing including at least two second ramped members each having a sloped face, a third housing rotatable with respect to the hub, and a spring assembly biasing the thrust plate and second housing axially toward the first housing, wherein when the second housing is rotated in one direction, the sloped faces of the first and second members slide over each other to urge the second housing and thrust plate axially in opposition to the spring assembly to bring the thrust plate into frictional engagement with the third housing.
F16D 13/42 - Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs in which the or each axially-movable member is pressed exclusively against an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member
31.
Bi-directional overrunning clutch having split roll cage and drag mechanism
A bi-directional overrunning clutch includes a housing and a pair of hubs substantially coaxially aligned within the housing. A pair of roll cages position a plurality of rollers between each hub and an inner cam surface of the housing. The rollers are positioned to wedge between the hub and the inner cam surface when one of the hub and the housing is rotated with respect to the other. End caps are attached to the housing adjacent to the hubs. A friction disk mechanism includes a friction plate rotating in combination with each the roll cage and a spring compressed between the end cap and the roll cage for biasing the friction member into frictional contact with the hub. An intermittent coupler is located between each roll cage and configured to engage the roll cages so as to permit indexing of one roll cage relative to the other.
F16D 41/067 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical and the members being distributed by a separate cage encircling the axis of rotation
F16D 41/10 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface with provision for altering the freewheeling action with self-actuated reversing
F16H 48/16 - Differential gearings without gears having orbital motion with freewheels
F16D 41/08 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface with provision for altering the freewheeling action
F16D 47/04 - Systems of clutches, or clutches and couplings, comprising devices of types grouped under at least two of the following sets of groups: of which at least one is a freewheel
A bi-directional overrunning clutch includes a housing and first and second hubs substantially eoaxia!ly aligned within the housing. A roll cage positions a plurality of rollers in an annular space between each of the hubs and an inner cam surface of the housing. The rollers are adapted to wedgingly engage between the hub and the inner cam for transmitting torque therebetween. End caps are attached to the housing adjacent to the hubs. A friction disk mechanism located on each side of the roll cage includes a roll cage plate attached to the roli cage, an inner hub friction member attached to the hub, a slip disk, and a spring compressed between the slip disk and the inner hub friction, member biasing the inner hub friction member into frictional contact with the roll cage plate.
F16D 41/067 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical and the members being distributed by a separate cage encircling the axis of rotation
33.
Friction disk mechanism for bi-directional overrunning clutch
A bi-directional overrunning clutch includes a housing and first and second hubs substantially coaxially aligned within the housing. A roll cage positions a plurality of rollers in an annular space between each of the hubs and an inner cam surface of the housing. The rollers are adapted to wedgingly engage between the hub and the inner cam for transmitting torque therebetween. End caps are attached to the housing adjacent to the hubs. A friction disk mechanism located on each side of the roll cage includes a roll cage plate attached to the roll cage, an inner hub friction member attached to the hub, a slip disk, and a spring compressed between the slip disk and the inner hub friction member biasing the inner hub friction member into frictional contact with the roll cage plate.
F16D 41/067 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical and the members being distributed by a separate cage encircling the axis of rotation
34.
Bi-directional overrunning clutch having split roll cage
A bi-directional overrunning clutch includes a housing and a pair of hubs substantially coaxially aligned within the housing. A pair of roll cages position a plurality of rollers between each hub and an inner cam surface of the housing. The rollers are positioned to wedge between the hub and the inner cam surface when one of the hub and the housing is rotated with respect to the other. End caps are attached to the housing adjacent to the hubs. A friction disk mechanism includes a friction plate rotating in combination with each the roll cage and a spring compressed between the end cap and the roll cage for biasing the friction member into frictional contact with the hub. An intermittent coupler is located between each roll cage and configured to engage the roll cages so as to permit indexing of one roll cage relative to the other.
F16D 21/08 - Serially-arranged clutches interconnecting two shafts only when all the clutches are engaged
F16D 41/067 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical and the members being distributed by a separate cage encircling the axis of rotation
35.
Centrifugal clutch with heat mitigating spring arrangement
A centrifugal clutch including a drive hub having a rotational axis, a drum coaxial with the driver, a plurality of shoes engaging the drive hub so as to rotate with the driver, each shoe having an aperture therethrough in the axial direction, the shoes being radially movable between a radially outward position in which the shoes contact a surface of the drum and a radially inward position in which the shoes are spaced apart from the drum, and a plurality of springs urging the shoes toward the radially inward position, each spring being located in the aperture of a corresponding shoe, each spring having a radially inward end engaging one of the shoes and an opposite radially outward end engaging the driver.
F16D 43/18 - Internally controlled automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial componentInternally controlled automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses themselves being the clutching members with friction clutching members
36.
Engagement control assembly for a bi-directional overrunning clutch
A bi-directional overrunning clutch differential for controlling torque transmission between a pinion input shaft and at least one output hub. The clutch having a clutch housing and the roll cage mounted within the housing. An engagement control assembly is provided for controlling the relative position of the roll cage with respect to a cam surface on the clutch housing. The engagement control assembly includes an electronically controlled actuation device, such as a coil or solenoid, which when activated causes the roll cage to rotate into a second position relative to the clutch housing to engage the rolls with the cam surface and an outer surface of the hub. A spring is engaged with the clutch housing and has an end engaged with the roll cage for biasing the roll cage into a neutral position when the roll cage is in its second position.
F16D 41/067 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical and the members being distributed by a separate cage encircling the axis of rotation
F16D 27/12 - Clutch systems with a plurality of electromagnetically-actuated clutches
F16D 41/08 - Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface with provision for altering the freewheeling action
F16D 27/10 - Magnetically-actuated clutchesControl or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings
37.
Drive clutch for a continuously variable transmission with engine braking and built in belt protection
A drive clutch for a continuously variable transmission that includes an input shaft designed to engage with an engine. A sheave assembly is mounted about the input shaft. A bearing assembly separates the sheave assembly from the input shaft such that the input shaft can rotate independently from the sheave assembly. At least one sheave clutch assembly is positioned about the input shaft. The sheave clutch assembly is configured to provide engagement between the sheave assembly and the input shaft when the rotation of the input shaft increases above a certain threshold value. An axial control mechanism is mounted on the input shaft adjacent to the second sheave. The axial control mechanism controls the movement of the second sheave toward and away from the first sheave as a function of the speed of the input shaft. A continuously variable transmission including the drive clutch and a driven clutch is also disclosed.
F16H 9/14 - Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using only one pulley built-up out of adjustable conical parts
38.
DRIVE CLUTCH FOR A CONTINUOUSLY VARIABLE TRANSMISSION WITH ENGINE BRAKING AND BUILT IN BELT PROTECTION
A drive clutch for a continuously variable transmission that includes an input shaft designed to engage with an engine. A sheave assembly is mounted about the input shaft. A bearing assembly separates the sheave assembly from the input shaft such that the input shaft can rotate independently from the sheave assembly. At least one sheave clutch assembly is positioned about the input shaft. The sheave clutch assembly is configured to provide engagement between the sheave assembly and the input shaft when the rotation of the input shaft increases above a certain threshold value. An axial control mechanism is mounted on the input shaft adjacent to the second sheave. The axial control mechanism controls the movement of the second sheave toward and away from the first sheave as a function of the speed of the input shaft. A continuously variable transmission including the drive clutch and a driven clutch is also disclosed.
F16H 61/66 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings
39.
DRIVE CLUTCH FOR A CONTINUOUSLY VARIABLE TRANSMISSION WITH ENGINE BRAKING AND BUILT IN BELT PROTECTION
A drive clutch for a continuously variable transmission that includes an input shaft designed to engage with an engine. A sheave assembly is mounted about the input shaft. A bearing assembly separates the sheave assembly from the input shaft such that the input shaft can rotate independently from the sheave assembly. At least one sheave clutch assembly is positioned about the input shaft. The sheave clutch assembly is configured to provide engagement between the sheave assembly and the input shaft when the rotation of the input shaft increases above a certain threshold value. An axial control mechanism is mounted on the input shaft adjacent to the second sheave. The axial control mechanism controls the movement of the second sheave toward and away from the first sheave as a function of the speed of the input shaft. A continuously variable transmission including the drive clutch and a driven clutch is also disclosed.
F16D 13/76 - Friction clutches specially adapted to incorporate with other transmission parts, i.e. at least one of the clutch parts also having another function, e.g. being the disc of a pulley
F16H 9/18 - Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts only one flange of each pulley being adjustable
F16H 61/662 - Control functions within change-speed- or reversing-gearings for conveying rotary motion specially adapted for continuously variable gearings with endless flexible members
A centrifugal clutch Is disclosed Including a driver adapted to engage and to be rotated by an Input shaft, a drum adapted to engage a driven component, a plurality of shoes located between the driver and the drum, and a plurality of springs, each spring engaged with adjacent shoes for urging the shoes together The shoes are radially movable between an outward position in which the shoes contact the drum and an Inward position in which the shoes are spaced apart from the drum Each shoe has an asymmetrical contacting member for engaging the drum, the contacting member having a toe protruding circumferentially there from in one direction Each shoe Is capable of being Independently Installed Into the clutch with the toe of the contacting member facing either towards or away from the direction of rotation of the driver, provided that the driver remains rotationally balanced
F16D 43/18 - Internally controlled automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial componentInternally controlled automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses themselves being the clutching members with friction clutching members
A centrifugal clutch is disclosed including a driver adapted to engage and to be rotated by an input shaft, a drum adapted to engage a driven component, a plurality of shoes located between the driver and the drum, and a plurality of springs, each spring engaged with adjacent shoes for urging the shoes together. The shoes are radially movable between an outward position in which the shoes contact the drum and an inward position in which the shoes are spaced apart from the drum. Each shoe has an asymmetrical contacting member for engaging the drum, the contacting member having a toe protruding circumferentially therefrom in one direction. Each shoe is capable of being independently installed into the clutch with the toe of the contacting member facing either towards or away from the direction of rotation of the driver, provided that the driver remains rotationally balanced. The contacting member of each shoe further includes one or more cavities each adapted to receive at least one weight to enable adjustment of the mass of each shoe and the mass distribution within each shoe.
F16D 43/18 - Internally controlled automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial componentInternally controlled automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses themselves being the clutching members with friction clutching members
A pump includes a cam member and an armature plate received on an input shaft rotatably supported with a differential housing of a clutch. The pump also includes a cylinder rod slidingly received in a chamber of a master cylinder to pressurize a hydraulic fluid. The cam member includes a ring and a back plate. The ring has an outer, preferably symmetrical, surface with a variable radius defining a ramped portion for outwardly driving the cylinder rod when the cam member is rotated either forward or backward with respect to the differential housing. A coil generates an electromagnetic field when activated drawing the cam member towards the armature plate such that contact forces causes the cam member to rotate with the armature plate. A roller disc is rotatably supported at one end of the cylinder rod for rolling contact between the cylinder rod and the cam surface of the cam member ring.
F04B 9/02 - Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
F16D 21/02 - Systems comprising a plurality of mechanically-actuated clutches for interconnecting three or more shafts or other transmission members in different ways
F16D 25/02 - Fluid-actuated clutches with means for actuating or keeping engaged by a force derived at least partially from one of the shafts to be connected
F16D 43/284 - Internally controlled automatic clutches actuated by fluid pressure controlled by angular speed
F16H 48/22 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using friction clutches or brakes
A pump includes a cam member and an armature plate received on an input shaft rotatably supported with a differential housing of a clutch. The pump also includes a cylinder rod slidingly received in a chamber of a master cylinder to pressurize a hydraulic fluid. The cam member includes a ring and a back plate. The ring has an outer, preferably symmetrical, surface with a variable radius defining a ramped portion for outwardly driving the cylinder rod when the cam member is rotated either forward or backward with respect to the differential housing. A coil generates an electromagnetic field when activated drawing the cam member towards the armature plate such that contact forces causes the cam member to rotate with the armature plate. A roller disc is rotatably supported at one end of the cylinder rod for rolling contact between the cylinder rod and the cam surface of the cam member ring.
F16H 48/12 - Differential gearings without gears having orbital motion
F16D 47/04 - Systems of clutches, or clutches and couplings, comprising devices of types grouped under at least two of the following sets of groups: of which at least one is a freewheel
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Differentials; differentials for use in lawn mowers, snow blowers, tillers, and other lawn and garden machinery, namely plows, powered wheelbarrows, edgers, pavement cutters, trenchers, stump grinders, vacuum/blowers, aerators, sweepers, snow throwers, fertilizer spreaders, brush cutters, roto-tillers, garden and lawn tractors, and commercial mowers; machines; machine tools; motors and engines; machine coupling and transmission components; agricultural implements; differentials for use in lawn mowers, snow blowers, tillers, and other lawn and garden machinery; parts and fittings for all the aforementioned. Axels and differentials for land vehicles; axels for land vehicles; differentials for land vehicles; vehicles; apparatus for locomotion by land; apparatus for locomotion by air; apparatus for locomotion by water; parts and fittings for all the aforementioned.
01 - Chemical and biological materials for industrial, scientific and agricultural use
11 - Environmental control apparatus
12 - Land, air and water vehicles; parts of land vehicles
17 - Rubber and plastic; packing and insulating materials
Goods & Services
(1) Filtering ingredients and materials.
(2) Apparatus for purifying, filtering and recovery of liquids and parts of the same.
(3) Clutches.
(4) Filtering materials.
