Patent application number | Description | Published |
20090062058 | Plantary Transmission Having Double Helical Teeth - A planetary gear set includes a sun gear including a first set of gear teeth having a helix angle and second set of gear teeth formed as a single unit with the first set of gear teeth and having a second helix angle of opposite hand relative to the first helix angle. A ring gear includes a third set of gear teeth having a third helix angle, and fourth set of gear teeth and having a fourth helix angle of opposite hand relative to the third helix angle. Planet pinions, each include a fifth set of gear teeth having a fifth helix angle, and sixth set of gear teeth formed as a single unit with the fifth set of gear teeth and having a sixth helix angle of opposite hand relative to the fifth helix angle. | 03-05-2009 |
20090211863 | Controllable Overrunning Coupling Assembly - A controllable overrunning coupling assembly includes a control member mounted for controlled shifting movement between a first pair of coupling faces of first and second coupling members relative to reverse pockets formed in one of the coupling faces. The first pair of coupling faces oppose each other and are oriented to face axially along a common rotational axis. The control member is operable for controlling position of only reverse struts in the reverse pockets without controlling the position of forward rockers in forward pockets formed in a coupling face of a second pair of coupling faces of the coupling members that oppose each other and are oriented to face radially with respect to the rotational axis. | 08-27-2009 |
20100029435 | Planetary Pinion Carrier and One-Way Clutch - A transmission gear unit includes a carrier including a first disc formed with a first chamfer, and a second disc, a one-way clutch including a first ring contacting the second disc, and a second ring, located radially outboard of and surrounding the first ring, and formed with a second chamfer, and pinion shafts, each shaft supported on the first disc and first ring, engaging the first and second chamfers and supporting a pinion thereon. | 02-04-2010 |
20100105515 | PLANET PINION CARRIER FOR A GEARSET - A carrier assembly for an automatic transmission includes a first plate, a second plate spaced along an axis from the first plate, a third plate spaced axially from the first plate and the second plate by angularly spaced legs, the third plate being formed with angularly spaced recesses. Short pinions, supported on the first plate and the third plate, each has a major diameter sized to move between at least two of the legs along a chordal path into one of the recesses during installation in the carrier. Long pinions, supported on the first plate and the second plate, each has a major diameter sized to move between at least two of the legs along a radial path into one of the recesses during installation in the carrier. | 04-29-2010 |
20120145505 | STRUT FOR A CONTROLLABLE ONE-WAY CLUTCH - A strut for a controllable one-way clutch wherein a projecting leg portion on the strut provides an attachment location for a free end of a rod which reciprocates. The strut includes a member-engaging first end surface. The strut further includes a member-engaging second end surface diametrically opposite the first end surface. The strut still further includes a main body portion between the end surfaces. The projecting leg portion extends from the main body portion. | 06-14-2012 |
20120149518 | VEHICLE DRIVE SYSTEM INCLUDING A TRANSMISSION - A vehicle drive system including a transmission is provided. The system includes a compound planetary gear set including first, second, third and fourth elements. The second element connects with an output shaft of the transmission. The system further includes a transmission housing. The system still further includes an electric motor which has an output shaft connecting with the first and fourth elements for driving the first and fourth elements in response to an electrical signal to obtain a desired transmission ratio. The system further includes a non-friction controllable clutch assembly which is non-hydraulically controlled to change between a coupling state for coupling the fourth element to the motor output shaft and an uncoupling state for uncoupling the fourth element from the motor output shaft. | 06-14-2012 |
20120152683 | CONTROLLABLE COUPLING ASSEMBLY - A controllable coupling assembly includes first, second and third coupling members supported for rotation relative to one another about a common rotational axis. A face of the first coupling member has pockets spaced about the axis. A face of the second coupling member has locking formations that are engaged by struts upon projecting outwardly from the pockets to prevent relative rotation of the first and second coupling members with respect to each other in at least one direction about the axis. A face of the third coupling member has pockets spaced about the axis. A different face of the second coupling member has locking formations that are engaged by struts from the third member to prevent relative rotation of the second and third coupling members with respect to each other in at least one direction about the axis. | 06-21-2012 |
20120152687 | ELECTROMECHANICAL ASSEMBLY TO CONTROL THE OPERATING MODE OF A COUPLING APPARATUS - An electromechanical assembly to control the operating mode of a coupling apparatus is provided. The assembly includes a first subassembly including a stator having at least one electromagnetically inductive coil to create a magnetic flux when the at least one coil is energized. At least one bi-directionally movable rod has a free end adapted for connection to a strut of the coupling apparatus for selective, small displacement strut movement. An actuator is operatively connected to the at least one rod for selective bi-directional shifting movement along a rotational axis between a first position of the actuator which corresponds to a first mode of the coupling apparatus and a second position of the actuator which corresponds to a second mode of the coupling apparatus. A magnetic control force is applied to the actuator when the at least one coil is energized to cause the actuator to move between positions. | 06-21-2012 |
20130256078 | ELECTROMECHANICALLY ACTUATED COUPLING AND CONTROL ASSEMBLY - An electromechanically actuated coupling and control assembly is provided. In one embodiment, an overrunning clutch and control assembly having first and second operating modes is provided. The clutch and control assembly includes first and second clutch members supported for rotation relative to one another about a common rotational axis. The first and second clutch members have respective coupling faces that oppose each other. The coupling face of one of the clutch members has a pocket. The coupling face of the other clutch member has a locking formation. The assembly further includes a strut received within the pocket in the coupling face of the one clutch member and has an end that is pivotally movable outwardly of the pocket. The assembly still further includes a biasing spring. The assembly further includes an electromechanical apparatus including an actuator mounted for controlled linear reciprocating motion and in communication with the pocket. The assembly still further includes communication apparatus for wirelessly communicating electrical power from a source of electrical power to the electromechanical apparatus to cause the actuator to linearly move and pivot the strut end against the bias of the spring from a first position which corresponds to the first operating mode to a second position which corresponds to the second operating mode. | 10-03-2013 |
20140080648 | DRIVE SYSTEM INCLUDING A TRANSMISSION FOR A HYBRID ELECTRIC VEHICLE - A drive system including a transmission for a hybrid electric vehicle is provided. The system includes a gear set having first, second, third and fourth elements. The second element connects with an output shaft of the transmission and a first output shaft of an internal combustion engine connects with the third element for driving the third element. An electric motor having an output shaft connecting with the first element drives the first element in response to an electrical signal. An electric motor-generator unit has an output shaft which connects with the fourth element for driving the fourth element in response to an electrical signal. A second output shaft of the engine also connects with the fourth element through the unit for driving the fourth element. The resulting system has a plurality of different operating modes including a reverse gear or operating mode powered electrically and by the internal combustion engine. | 03-20-2014 |
20140100071 | VEHICLE DRIVE SYSTEM INCLUDING A TRANSMISSION - A vehicle drive system including a transmission has a gear set with first, second, third and fourth elements. The second element connects with an output shaft of the transmission. The system has a transmission housing and a first electric motor having an output shaft connecting with the first element for driving the first element in response to a first electrical signal. A second electric motor has an output shaft connecting with the fourth element for driving the fourth element in response to a second electrical signal. The motors operate together to cause transmission ratios to change steplessly through an infinite number of ratios between maximum and minimum values. | 04-10-2014 |
20140284167 | ELECTROMECHANICAL APPARATUS FOR USE WITH A COUPLING ASSEMBLY AND CONTROLLABLE COUPLING ASSEMBLY INCLUDING SUCH APPARATUS - Electromechanical apparatus for use with a coupling assembly and controllable coupling assembly including such apparatus are provided. The apparatus includes a housing part including an end wall having an outer coupling face with a single pocket defining a load-bearing shoulder in communication with an inner face of the end wall. An electromagnetic source includes at least one excitation coil which is at least partially surrounded by the housing part. An element is received within the pocket in an uncoupling position and is movable outwardly from the pocket to a coupling position characterized by abutting engagement of the element with the load-bearing shoulder. A reciprocating armature is arranged concentrically relative to the at least one excitation coil and is axially movable when the at least one excitation coil is supplied with current. The armature is connected to the element to move the element between the coupling and uncoupling positions. | 09-25-2014 |
20140305761 | MAGNETIC SYSTEM FOR CONTROLLING THE OPERATING MODE OF AN OVERRUNNING COUPLING ASSEMBLY AND OVERRUNNING COUPLING AND MAGNETIC CONTROL ASSEMBLY HAVING SAME - A magnetic system for controlling the operating mode of an overrunning coupling assembly is provided. The system includes a ferromagnetic or magnetic element received within a pocket in an uncoupling position and is movable outwardly from the pocket to a coupling position. The element controls the operating mode of the coupling assembly. An armature is connected to the element to move the element between the coupling and uncoupling positions. A magnetic field sensor is disposed adjacent and stationary with respect to the element for sensing magnetic flux to produce an output signal which is based on the position of the element. A variable magnetic field is generated in response to movement of the element between the coupling and uncoupling positions. | 10-16-2014 |
20150014116 | DEVICE AND APPARATUS FOR CONTROLLING THE OPERATING MODE OF A COUPLING ASSEMBLY, COUPLING AND CONTROL ASSEMBLY AND ELECTRIC MOTOR DISCONNECT AND PASS THROUGH ASSEMBLIES - Device and apparatus for controlling the operating mode of a coupling assembly, coupling and control assembly and electric motor disconnect and pass through assemblies are provided. The device is a switchable linear actuator device to control the operating mode of a coupling assembly. A plurality of magnetic sources produce corresponding magnetic fields to create a net translational force. A stator structure includes at least one electromagnetic source and a translator structure includes a permanent magnet source magnetically coupled to the stator structure across a radial air gap. The translator structure is supported for translational movement relative to the stator structure along an axis between first and second stable axial end positions which correspond to first and second operating modes of the coupling assembly and an unstable axial equilibrium position between the end positions. The translator structure translates along the axis between the different positions upon experiencing the net translational force. | 01-15-2015 |
20150047942 | HIGH-SPEED COUPLING SUBASSEMBLY AND HIGH-SPEED OVERRUNNING CLUTCH ASSEMBLY INCLUDING THE SUBASSEMBLY - A high-speed coupling subassembly and a high-speed overrunning clutch assembly including the subassembly are provided. The subassembly includes a powdered metal member. The member includes an axially extending coupling portion and a recess portion. The recess portion has a coupling face and a joining face spaced apart from the coupling face and being formed with a first pilot. The coupling face has at least one recess. Each of the recesses defines a load-bearing shoulder. A powdered metal hub includes an axially extending connecting portion and a mounting portion being formed with a second pilot. The mounting portion of the hub is joined to the recess portion of the member at a joint at the joining face. The first and second pilots are in contact at a pilot diameter to concentrically align the hub and the member during joining to improve performance of the assembly during a high-speed overrun condition. | 02-19-2015 |
20150047944 | COUPLING ASSEMBLY HAVING REDUCED UNDESIRABLE NOISE AND CONTACT STRESS CAUSED BY A TRANSITION BETWEEN OPERATING MODES OF THE ASSEMBLY - A coupling assembly such as a ratcheting-type, one-way clutch assembly having reduced undesirable noise and contact stress caused by a transition between operating modes of the assembly is provided. The assembly includes at least one set of elements disposed between coupling faces of members of the assembly. Each set of elements includes a movable locking element and a plurality of movable impact energy storage elements disposed at angularly spaced positions about a rotary axis to dampen rotation between the members in stages prior to engagement of the locking element with respective shoulders of each member. The storage elements absorb and store impact energy in stages to reduce undesirable noise and contact stress in a controlled fashion. | 02-19-2015 |
20150060225 | COUPLING MEMBER SUBASSEMBLY FOR USE IN CONTROLLABLE COUPLING ASSEMBLY AND ELECTROMECHANICAL APPARATUS HAVING A PAIR OF SIMULTANEOUSLY ACTUATED ELEMENTS FOR USE IN THE SUBASSEMBLY - A coupling member subassembly for use in a controllable coupling assembly and an electromechanical apparatus having a pair of simultaneously actuated elements for use in such a subassembly are provided. The apparatus includes a housing, an electromagnetic source having at least one excitation coil surrounded by the housing and a pair of spaced first and second elements. A reciprocating armature is arranged concentrically relative to the at least one excitation coil and is axially movable when the at least one excitation coil is supplied with current. An actuator bridge is mounted for axial reciprocating movement with the armature and is connected to the elements at opposite ends of the bridge to move the elements in unison between first and second positions during axial movement of the armature to control the operating mode of the assembly. | 03-05-2015 |