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1. WO2013155615 - POWER TRANSMITTING DEVICE WITH OVERRUNNING DECOUPLER

Publication Number WO/2013/155615
Publication Date 24.10.2013
International Application No. PCT/CA2013/000386
International Filing Date 18.04.2013
IPC
F16D 41/20 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
41Freewheels or freewheel clutches
20with expandable or contractable clamping ring or band
B60K 25/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
25Auxiliary drives
02directly from an engine shaft
F02B 67/06 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
67Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
04of mechanically-driven auxiliary apparatus
06driven by means of chains, belts, or like endless members
F16D 13/08 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
13Friction clutches
08with a helical band or equivalent member, which may be built-up from linked parts, with more than one turn embracing a drum or the like, with or without an additional clutch actuating the end of the band
F16D 13/12 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
13Friction clutches
12with an expansible band or coil co-operating with the inner surface of a drum or the like
F16D 13/76 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
13Friction clutches
76specially 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
CPC
B60K 25/02
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
25Auxiliary drives
02directly from an engine shaft
B60Y 2400/427
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
2400Special features of vehicle units
42Clutches or brakes
427One-way clutches
F16D 13/08
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
13Friction clutches
08with a helical band or equivalent member, which may be built up from linked parts, with more than one turn embracing a drum or the like, with or without an additional clutch actuating the end of the band
F16D 13/12
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
13Friction clutches
12with an expansible band or coil co-operating with the inner surface of a drum or the like
F16D 13/76
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
13Friction clutches
76specially 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
F16D 3/12
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
3Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
02adapted to specific functions
12specially adapted for accumulation of energy to absorb shocks or vibration
Applicants
  • LITENS AUTOMOTIVE PARTNERSHIP [CA]/[CA]
Inventors
  • WILLIAMS, Warren
Agents
  • BRANDT, Kerstin B.
Priority Data
61/625,73318.04.2012US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) POWER TRANSMITTING DEVICE WITH OVERRUNNING DECOUPLER
(FR) DISPOSITIF DE TRANSMISSION D'ÉNERGIE COMPRENANT UN DÉCOUPLEUR À ROUE LIBRE
Abstract
(EN)
A decoupler that includes a hub, a drive member and a one-way clutch and torsionally resilient coupling. The drive member is configured to engage an endless power transmitting element. The one-way clutch and torsionally resilient coupling is disposed in series in a torque path and has a carrier and a wrap spring. The carrier defines a groove. The wrap spring is formed of wire and has an engagement end and a plurality of helical coils. The engagement end is being shorter in overall length than a length of one of the helical coils. The engagement end is received in the groove. The carrier is received in a pocket formed in a rotary member that can be the hub, the drive member, or a component in a torque path between the hub and the drive member. An axial end face of the wire that forms the wrap spring is abutted against an edge of the pocket.
(FR)
L'invention porte sur un découpleur qui comprend un moyeu, un élément d'entraînement et un accouplement d'embrayage à roue libre et élastique en torsion. L'élément d'entraînement est conçu pour entrer en prise avec un élément de transmission d'énergie sans fin. L'accouplement d'embrayage à roue libre et élastique en torsion est disposé en série dans un trajet de transmission de couple et a un support et un ressort enroulé. Le support définit une gorge. Le ressort enroulé est formé de fil métallique et a une extrémité de prise et une pluralité de bobines hélicoïdales. L'extrémité de prise est plus courte en longueur totale qu'une longueur de l'une des bobines hélicoïdales. L'extrémité de prise est logée dans la gorge. Le support est logé dans une poche formée dans un élément rotatif qui peut être le moyeu, l'élément d'entraînement ou un composant inclus dans le trajet de transmission de couple entre le moyeu et l'élément d'entraînement. Une face d'extrémité axiale du fil métallique qui forme le ressort enroulé s'appuie contre un bord de la poche.
Also published as
DE1120130021013
Latest bibliographic data on file with the International Bureau