Class / Patent application number | Description | Number of patent applications / Date published |
192480200 | Including electrically actuated clutch assemblage | 21 |
20090008206 | Transfer Case With Clutch Actuator - A transfer case for selectively coupling a secondary driveline with a primary driveline comprises: a first output shaft; a second output shaft; a clutch assembly disposed at the second output shaft, the clutch assembly including inner and outer drum members, one of the inner and outer drum members rotatable in association with rotation of the first output shaft and the other one of the inner and outer drum members coupled with the second output shaft, the clutch assembly further including a plurality of frictional clutch plates, the frictional clutch plates formed of at least one frictional clutch plate coupled with the inner drum member and at least one frictional clutch plate coupled with the outer drum member; an actuator shaft rotatably coupled with an actuator; and a clutch actuator means coupled with the actuator for applying axial force to the frictional clutch plates to transmit a drive torque of the first output shaft to the second output shaft. The clutch actuator means can be a pivot lever pivotally moveable in association with rotation the actuator shaft coupled with the actuator for said applying the axial force to the frictional clutch plates, or can be a sliding lever moveable in an axial direction of the actuator shaft in association with rotation the actuator shaft coupled with the actuator. | 01-08-2009 |
20090026035 | Hybrid Apparatus for Transmitting Motive Power to a Driven Shaft - Apparatus for transmitting motive power from a combustion engine or from an electric generator/motor to a driven shaft coupled to a rotating device, includes a main shaft having a first end connected to the combustion engine by a first engaging/disengaging device and a second end connected to the driven shaft by a second engaging/disengaging device, said shaft having, mounted thereon, a first electromagnetic clutch, the rotor of which is adapted to selectively receive motive power from a secondary shaft which is connected to the motor/generator, the main shaft being provided with a pulley carrying a drive belt which is wound onto a second pulley mounted idle on said secondary shaft and adapted to transmit motive power to the generator/motor via a third engaging/disengaging device. | 01-29-2009 |
20090183963 | Clutch Device and Methods - Some embodiments of a clutch system may drive an output member to rotate at a first speed when the opposing clutch surfaces are engaged and to rotate at a second speed when the clutch surfaces are shifted to a disengaged position. In particular embodiments, the multi-speed clutch system may employ an eddy current drive system that causes the output portion to rotate even when the opposing clutch surfaces are disengaged. | 07-23-2009 |
20090200129 | MULTI-POSITION CLUTCH - A multi-position clutch allows selectively coupling at least two of at least three rotatable shafts is described herein. The clutch comprises at least three cooperation elements respectively associated to one of the at least three rotatable shafts for selective engagement therebetween; the at least three cooperation elements are mounted to the at least three rotatable shafts so as to be sequentially positioned for selective coupling of at least two adjacent cooperation elements. An actuating mechanism is provided for selectively coupling at least two adjacent cooperation elements from the at least three cooperation elements. | 08-13-2009 |
20090255773 | ACTUATOR ARRANGEMENT FOR A MOTOR VEHICLE CLUTCH - An actuator arrangement for a clutch of a drive train for motor vehicles. The clutch is prestressed into an opened position and can be activated electromechanically. An electric motor can be coupled to the clutch in order to activate it. A control unit actuates the electric motor. The actuator arrangement has a safety device which is connected to the electric motor parallel to the control unit. The safety device is configured, in the case of a fault state, to supply electrical power to the electric motor independently of the control unit in order to open the clutch. | 10-15-2009 |
20090294238 | ELECTROMECHANICAL ACTUATOR FOR FRICTION CLUTCHES - A friction clutch assembly selectively engages an input member and an output member to allow selective transfer of torque therebetween. The friction clutch assembly includes a clutch pack including a first clutch member operatively coupled to the input member and a second clutch member operatively coupled to the output member. The clutch assembly further includes a plurality of lever arms and an actuating member with a movable member that is movably disposed between the plurality of lever arms. The movable member is movable generally along a linear axis between a disengaged position and an engaged position, and the movable member cams the plurality of lever arms relative to linear axis to cause the first and second clutch members to engage when the movable member moves to the engaged position. The first and second clutch members disengage when the movable member moves to the disengaged position. | 12-03-2009 |
20090301835 | Double Clutch for a Double-Clutch Transmission - A double clutch for a double-clutch transmission includes a first clutch, a second clutch, a first electric actuator, and a second electric actuator. The first electric actuator acts on a cam that activates both clutches and controls a clutch shift operation between the first and the second clutch. The first electric actuator additionally acts on a cam activating one of the two clutches. | 12-10-2009 |
20100089715 | Double Clutch - A double clutch may include an input shaft, a first output shaft disposed coaxially with the input shaft, a second output shaft enclosing the first output shaft and disposed coaxially with the first output shaft, a first clutch pack disposed between the first output shaft and the input shaft, a second clutch pack disposed between the second output shaft and the input shaft, an electromagnet disposed between the first clutch pack and the second clutch pack, a first permanent magnet and a second permanent magnet disposed such that the same poles of the first and second permanent magnets face the electromagnet at both sides of the electromagnet, a first ball ramp operating to press the first clutch pack, as the first permanent magnet moves toward the electromagnet, and a second ball ramp operating to press the second clutch pack, as the second permanent magnet moves toward the electromagnet. | 04-15-2010 |
20100108456 | DUAL CLUTCH FOR A DUAL CLUTCH TRANSMISSION - The invention relates to a dual clutch for a dual clutch transmission for transmitting a torque from a drive shaft to at least one drive shaft, which comprises a first clutch, a second clutch, and an electrical actuating device. The actuating device comprises a coupling slide, wherein a first slide of the coupling slide acts on the first clutch, and a second slide of the coupling slide acts on the second clutch, and the two slides are movable in such a way that by displacing the slides a recoupling process is controlled. | 05-06-2010 |
20100122884 | SPIRAL CAM CLUTCH ACTUATION SYSTEM - A power transmission device for a motor vehicle includes a clutch for transferring torque between first and second shafts. A clutch actuation system includes a drive member and a cam member in cooperation with one another. The drive member is driven by an electric motor and includes first and second rollers rotatably mounted thereon. The cam member includes first and second circumferentially extending channels, each having a continually reducing radius. The first and second channels are separate from and overlap one another. The first roller is positioned within the first channel to engage the drive member and the cam member. The second roller is positioned within the second channel to engage the drive member and the cam member such that relative rotation between the drive member and the cam member translates the cam member along an axis of relative rotation to vary the force applied to the clutch. | 05-20-2010 |
20110005883 | ELECTROMAGNETIC FRICTION CLUTCH - An electromagnetic friction clutch having an eddy current drive is disclosed, said clutch being used for controllably driving auxiliary units such as a coolant pump, for example, in vehicles. An advantageous, rotationally fixed connection of magnetic elements of the eddy current drive to a rotor allows a plurality of embodiments of the invention, with various design simplifications. | 01-13-2011 |
20110011694 | SELECTABLE ONE-WAY CLUTCH - A clutch for transmitting torque between a first member and a second member includes a locking plate having an engagement groove, a carrier disposed adjacent the locking plate, an engagement member rotatably supported in an aperture of the carrier, an apply biasing element, a release plate, a release biasing element, and an electromagnet. The engagement member is rotatable between an engagement position and a release position. | 01-20-2011 |
20110024252 | CLUTCH ACTUATING APPARATUS FOR DOUBLE CLUTCH TRANSMISSION - A clutch actuating apparatus for a double clutch transmission, may include an electric unit that generates rotational force, a decelerating unit coupled to the electric unit and reducing the rotational force of the electric unit, a straight-converting unit that converts the rotational force reduced by the decelerating unit into a straight motion force, a push rod that is moved straight by the straight motion force of the straight-converting unit and makes an operational stroke to selectively engage a clutch, a supplement force supplying unit engaging with the push rod to increase the straight movement force to the push rod or to remove the increased straight movement force from the push rod when the push rod engages or disengages the clutch, and a rod locating unit coupled to the push rod and changing a relative position of the push rod to the straight-converting unit. | 02-03-2011 |
20110094844 | ACTUATOR SYSTEM FOR A DOUBLE CLUTCH, DOUBLE CLUTCH SYSTEM AND MOTOR VEHICLE WITH A DOUBLE CLUTCH SYSTEM - An actuator system for a clutch includes, but is not limited to a threaded hollow cylinder connected to the clutch bell in a rotationally fixed manner, which on its outside and on its inside comprises a thread and furthermore a first hollow cylinder for actuating a first release bearing, wherein the first hollow cylinder comprises an internal thread which is in engagement with the external thread of the threaded hollow cylinder and a second hollow cylinder for actuating a second release bearing. The second hollow cylinder comprises an external thread which is in engagement with the internal thread of the threaded hollow cylinder Furthermore, the actuator system comprises at least one electric motor by means of which the first hollow cylinder and the second hollow cylinder via a transmission each can be displaced along their longitudinal axis on the threaded hollow cylinder. | 04-28-2011 |
20120312654 | DOUBLE CLUTCH FOR VEHICLE COMPRESSOR - The present invention relates to a double clutch for a vehicle compressor for driving a compressor using the power of an engine when a vehicle is being driven, and using the power of a motor when the vehicle is stopped. More specifically, the double clutch for a vehicle compressor, comprises: a rotation shaft axially coupled with the compressor; a plate spring coupled on the rotation shaft; first and second rotation discs coupled in front of and behind the plate spring; a first electromagnet fixed to the compressor; a first pulley positioned between the first rotation disc and the first electromagnet; a fixed disc mounted on the rotation shaft at the side of the second rotation disc; a second electromagnet coupled with the fixed disc; and a second pulley positioned between the second rotation disc and the second electromagnet. The invention enables an air conditioner system to be operated by means of a single compressor using the engine and the motor by connecting the first and second pulleys to respective pulleys on the side of the engine and on the side of the motor, with respective belts. Furthermore, the invention can improve the structure of the vehicle and the air conditioner system and reduce the manufacturing costs thereof. | 12-13-2012 |
20140027236 | FRICTION CLUTCH PLATE, FRICTION CLUTCH AND DRIVING FORCE TRANSMISSION APPARATUS - A clutch plate arranged to face a contact object so as to be relatively rotatable and relatively movable includes a contact surface being able to contact the contact object via lubricant and a minute groove open at the contact surface and formed of a plurality of groove portions having a predetermined groove pitch. A ratio of a contact area of the contact surface to an area obtained by adding an opening area of the minute groove to the contact area of the contact surface is 90% to 96% in an initial state. | 01-30-2014 |
20140216881 | CLUTCH ARRANGEMENT AND ACTUATION METHOD - A clutch arrangement ( | 08-07-2014 |
20140216882 | ROTATION TRANSMISSION DEVICE - A rotation transmission device is provided which includes a two-way clutch and an electromagnetic clutch for engaging and disengaging the two-way clutch and which can be easily assembled without the need for a shim to prevent movements of the clutches. The two-way clutch ( | 08-07-2014 |
20140346001 | ACTUATOR FOR TWIN CLUTCH DEVICE - An actuator for a twin clutch device includes a single electric motor, first and second drive mechanisms, first and second transmission mechanisms, first and second hydraulic damper mechanisms and a control unit. Each first/second drive mechanism is configured to receive a first/second directional rotation from the electric motor and drive its respective first/second release member in a first operational direction. Each first/second transmission mechanism is configured to transmit only the first/second directional rotation from the electric motor to its respective first/second drive mechanism. Each first/second hydraulic damper mechanism is configured to regulate a moving speed of its respective first/second release member in a second operational direction opposite to the first operational direction. The control unit is configured to control the rotation of the electric motor. | 11-27-2014 |
20150292576 | DRY FRICTION CLUTCH WITH DAMPENING SYSTEM - A pneumatic dry friction clutch with a cone-shaped friction backing member and an intermediate member interlinked together with mating protrusions and recesses. The axial and circumferential degrees of freedom minimize or reduce noise and vibrations of the clutch, particularly any resonance. The clutch can be either an On-Off clutch or a two-speed clutch. | 10-15-2015 |
20160186820 | ROTATION TRANSMISSION DEVICE - A rotation transmission device is provided in which leakage of magnetism from an armature to a control retainer is reduced, and of which a two-way clutch can be operated accurately and reliably. This device includes a restricting arrangement for restricting the fitting amount between a coupling tube of the armature and a tubular portion of the control retainer such that a gap is defined between a back surface of the armature, with respect to its surface to be attracted to a rotor, and an end surface of the tubular portion, to prevent leakage of magnetism from the back surface of the armature to the end surface of the tubular portion when an electromagnet is energized and the armature is pulled to the rotor. | 06-30-2016 |