Patents by Inventor Daryl A. Wilton
Daryl A. Wilton has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8870703Abstract: A transmission is provided having a housing, a plurality of planetary gear sets, a structural member, a sprocket member, an annular drum, a band, and an actuator. The sprocket member is rotationally supported by the structural member. The annular drum is adjacent the structural member and is continuously rotationally coupled with a member of the one of the plurality of planetary gear sets. The band circumscribes the annular drum and includes at least a first position and a second position. In the first position the band is substantially separated from the drum and in the second position the band contacts the drum. The actuator selectively positions the band between at least the first position and the second position to transfer torque between the structural member and the annular drum.Type: GrantFiled: November 19, 2012Date of Patent: October 28, 2014Assignee: GM Global Technology Operations, LLCInventors: James M. Hart, Daryl A. Wilton, Edward W. Mellet, Elizabeth I. Wooden
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Patent number: 8870696Abstract: A transmission is provided having a housing, a plurality of planetary gear sets, a structural member, a sprocket member, a first dog clutch member, a second dog clutch member, and a biasing member. The structural member is secured to the housing and includes a plurality of splines and defines a cavity. The sprocket member is rotationally supported by the structural member. The first dog clutch member is disposed in the cavity of the structural member and includes splines and dogteeth. The splines are engaged with the splines of the structural member. The second dog clutch member includes dogteeth that are aligned with the dogteeth of the first dog clutch member. The biasing member is disposed between the structural member and the first dog clutch member.Type: GrantFiled: February 5, 2013Date of Patent: October 28, 2014Assignee: GM Global Technology Operations, LLCInventors: Daryl A. Wilton, James M. Hart, James B. Borgerson, Edward W. Mellet
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Publication number: 20140248989Abstract: A transmission is provided having an input member, an output member, a plurality of planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. One of the plurality of torque transmitting devices is an integrated friction launch clutch. A disconnect clutch is in series relationship with the launch clutch and is configured to disconnect the launch clutch from at least one of the plurality of planetary gear sets. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish at least ten forward gear ratios and one reverse gear ratio.Type: ApplicationFiled: March 1, 2013Publication date: September 4, 2014Applicant: GM Global Technology Operations LLCInventors: James M. Hart, Daryl A. Wilton, James B. Borgerson
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Patent number: 8821336Abstract: A transmission is provided having an input member, an output member, at least three planetary gear sets, a plurality of coupling members, and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish at least ten forward gear ratios and one reverse gear ratio. At least one of the torque transmitting mechanisms includes a backing plate having an annular outlet for distributing cooling fluid.Type: GrantFiled: May 16, 2012Date of Patent: September 2, 2014Assignee: GM Global Technology Operations, LLCInventors: Daryl A. Wilton, James M. Hart, Edward W. Mellet, James B. Borgerson
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Patent number: 8814743Abstract: A transmission includes an input member, an output member, a set of four planetary gear sets each having first, second, and third members, a plurality of torque transmitting mechanisms each selectively engageable to interconnect at least one of the first, second, and third members with at least one other of the first, second, third members and a stationary member, and a synchronizer assembly that selectively connects and disconnects one member of one of the planetary gear sets.Type: GrantFiled: November 19, 2012Date of Patent: August 26, 2014Assignee: GM Global Technology Operations, LLCInventors: James M. Hart, Daryl A. Wilton, Clinton E. Carey
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Patent number: 8814744Abstract: A transmission is provided having an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting mechanisms. Each of the planetary gear sets includes first, second and third members. The torque transmitting mechanisms include clutches and brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio. An electromechanical rotating clutch assembly is provided that includes a rotor, an armature, and an electromagnetic coil. The electromagnetic coil is operable to selectively engage the rotor with the armature.Type: GrantFiled: May 18, 2012Date of Patent: August 26, 2014Assignee: GM Global Technology Operations, LLCInventors: James M. Hart, Daryl A. Wilton, Edward W. Mellet
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Publication number: 20140221149Abstract: A transmission is provided having a housing, a plurality of planetary gear sets, a structural member, a sprocket member, a first dog clutch member, a second dog clutch member, and a biasing member. The structural member is secured to the housing and includes a plurality of splines and defines a cavity. The sprocket member is rotationally supported by the structural member. The first dog clutch member is disposed in the cavity of the structural member and includes splines and dogteeth. The splines are engaged with the splines of the structural member. The second dog clutch member includes dogteeth that are aligned with the dogteeth of the first dog clutch member. The biasing member is disposed between the structural member and the first dog clutch member.Type: ApplicationFiled: February 5, 2013Publication date: August 7, 2014Applicant: GM Global Technology Operations LLCInventors: Daryl A. Wilton, James M. Hart, James B. Borgerson, Edward W. Mellet
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Publication number: 20140221142Abstract: A transmission assembly for use in a motor vehicle is provided. The transmission assembly has a case for housing components of the transmission and an electromechanical device operable to convert mechanical energy to electrical energy. The electromechanical device is disposed within the transmission case. The case may have a main housing portion and a bell housing portion, with the electromechanical device housed in the main housing portion, in some variations. A transmission shaft may be rotatably supported within the case and configured to be connected to an engine of the motor vehicle. A connecting device may continuously interconnect the electromechanical device with the transmission shaft.Type: ApplicationFiled: February 5, 2013Publication date: August 7, 2014Applicant: GM Global Technology Operations LLCInventors: James B. Borgerson, Daryl A. Wilton, Edward W. Mellet, James M. Hart
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Patent number: 8795116Abstract: An automatic transmission includes a plurality of planetary gear assemblies, an integrated starter, a remote mounted hydraulic pump and a common drive system. An input shaft of the automatic transmission is coupled to and drives a ring (spur) gear. In one portion of the automatic transmission, a starter motor is disposed and includes gear teeth on an output shaft that engage a pinion gear that, in turn, engages the input shaft ring gear. In another portion of the automatic transmission, preferably the lower portion, an off axis hydraulic pump includes a drive shaft and driven gear which also engages the input shaft ring gear.Type: GrantFiled: January 31, 2013Date of Patent: August 5, 2014Assignee: GM Global Technology Operations, LLCInventors: Daryl A. Wilton, James M. Hart
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Publication number: 20140213402Abstract: An automatic transmission includes a plurality of planetary gear assemblies, an integrated starter, a remote mounted hydraulic pump and a common drive system. An input shaft of the automatic transmission is coupled to and drives a ring (spur) gear. In one portion of the automatic transmission, a starter motor is disposed and includes gear teeth on an output shaft that engage a pinion gear that, in turn, engages the input shaft ring gear. In another portion of the automatic transmission, preferably the lower portion, an off axis hydraulic pump includes a drive shaft and driven gear which also engages the input shaft ring gear.Type: ApplicationFiled: January 31, 2013Publication date: July 31, 2014Applicant: GM Global Technology Operations LLCInventors: Daryl A. Wilton, James M. Hart
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Patent number: 8758189Abstract: An automatic transmission includes an input shaft or member, an output shaft or member and three simple and one compound planetary gear assemblies each including a sun gear, a planet gear carrier with a plurality of planet gears and a ring gear. The input shaft or member is coupled to the sun gear of the second planetary gear assembly and the output shaft is coupled to the planet gear carrier of the fourth planetary gear assembly. The transmission also includes six torque transmitting devices: one band brake, three friction brakes and two friction clutches.Type: GrantFiled: January 26, 2012Date of Patent: June 24, 2014Assignee: GM Global Technology Operations, LLCInventors: James M. Hart, Daryl A. Wilton
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Publication number: 20140162830Abstract: A transmission is provided having an input member, an output member, at least four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and a brake actuatable in combinations of four to establish a plurality of forward gear ratios and at least one reverse gear ratio.Type: ApplicationFiled: December 2, 2013Publication date: June 12, 2014Applicant: GM Global Technology Operations LLCInventors: Edward W. Mellet, James M. Hart, Daryl A. Wilton
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Patent number: 8734140Abstract: A reversible gerotor pump for a machine having a drive shaft is provided, the pump including a housing, an offset ring, and an inner and outer gear. The offset ring is disposed in the housing and includes a tab extending radially from an outer periphery. The outer periphery of the offset ring defines a first axis in common with the axis of a drive shaft. The inner periphery of the offset ring defines a second axis that is slightly offset from the second axis. The axis of the outer gear moves relative to the axis of the inner gear to allow pumping action in both rotational directions using the same suction and line cavities for both directions.Type: GrantFiled: December 1, 2011Date of Patent: May 27, 2014Assignee: GM Global Technology Operations, LLCInventors: Daryl A. Wilton, James M. Hart, John C. Schultz, David R. Staley
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Patent number: 8734285Abstract: A vehicle transmission includes an input member, an output member, a plurality of gear sets, first and second clutches, first and second actuators, and first and second bearings. The plurality of gear sets is disposed between the input member and the output member. The first and second clutches are selectively engaged to rotationally couple first and second pairs of the plurality of gear sets. The first and second actuators each have a stationary cylinder bore and a piston disposed in the stationary cylinder bore, where the pistons are substantially rotationally stationary. The first bearing is disposed between the first clutch and the nonrotating piston of the first actuator and the second bearing is disposed between the second clutch and the nonrotating piston of the second actuator.Type: GrantFiled: August 14, 2012Date of Patent: May 27, 2014Assignee: GM Global Technology OperationsInventors: Daryl A. Wilton, James M. Hart
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Publication number: 20140141926Abstract: A transmission is provided having a housing, a plurality of planetary gear sets, a structural member, a sprocket member, an annular drum, a band, and an actuator. The sprocket member is rotationally supported by the structural member. The annular drum is adjacent the structural member and is continuously rotationally coupled with a member of the one of the plurality of planetary gear sets. The band circumscribes the annular drum and includes at least a first position and a second position. In the first position the band is substantially separated from the drum and in the second position the band contacts the drum. The actuator selectively positions the band between at least the first position and the second position to transfer torque between the structural member and the annular drum.Type: ApplicationFiled: November 19, 2012Publication date: May 22, 2014Applicant: GM Global Technology Operations LLCInventors: James M. Hart, Daryl A. Wilton, Edward W. Mellet, Elizabeth I. Wooden
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Publication number: 20140141925Abstract: A transmission includes an input member, an output member, a set of four planetary gear sets each having first, second, and third members, a plurality of torque transmitting mechanisms each selectively engageable to interconnect at least one of the first, second, and third members with at least one other of the first, second, third members and a stationary member, and a synchronizer assembly that selectively connects and disconnects one member of one of the planetary gear sets.Type: ApplicationFiled: November 19, 2012Publication date: May 22, 2014Applicant: GM Global Technology Operations LLCInventors: James M. Hart, Daryl A. Wilton, Clinton E. Carey
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Patent number: 8702555Abstract: A transmission is provided having an input member, an output member, a plurality of planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. One of the plurality of torque transmitting devices is an integrated friction launch clutch. A one-way clutch is in series relationship with the launch clutch and is configured to disconnect the launch clutch from at least one of the plurality of planetary gear sets. The torque transmitting devices include clutches and brakes actuatable in combinations of two to establish at least ten forward gear ratios and one reverse gear ratio.Type: GrantFiled: March 1, 2013Date of Patent: April 22, 2014Assignee: GM Global Technology Operations LLCInventors: James M. Hart, Daryl A. Wilton, James B. Borgerson
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Publication number: 20140069089Abstract: A fluid coupling is provided having a housing, an input member, a pump assembly, and a turbine assembly. The pump assembly includes a pump portion disposed opposite a turbine portion of the turbine assembly. The turbine assembly further includes a damper assembly having a plurality of springs disposed radially between the turbine portion and a transmission input shaft.Type: ApplicationFiled: September 12, 2012Publication date: March 13, 2014Applicant: GM Global Technology Operations LLCInventors: John C. Schultz, Victor M. Roses, Daryl A. Wilton
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Patent number: 8649947Abstract: A powertrain for a vehicle is provided having an engine, a transmission, a torque transfer mechanism, a hydraulic fluid circuit, and a transmission control module. The torque transfer mechanism includes a hydraulic fluid pump and is drivingly connected to an output member of the engine and an output member of the torque transfer mechanism is drivingly connected to the input member of the transmission. The hydraulic fluid circuit has a hydraulic valve in communication with the first fluid port of the hydraulic fluid pump. The transmission control module include a control logic for operating the powertrain during a vehicle launch event.Type: GrantFiled: November 30, 2011Date of Patent: February 11, 2014Assignee: GM Global Technology Operations LLCInventors: John C. Schultz, Hamid Vahabzadeh, Vijay A. Neelakantan, Daryl A. Wilton
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Patent number: 8640452Abstract: A hydraulic fluid circuit for a power transmission device includes a first hydraulic circuit segment fluidly decoupled from a second hydraulic circuit segment. A hydraulic pump includes a first fluidic pumping element and a second fluidic pumping element. The first fluidic pumping element fluidly communicates with the first hydraulic circuit segment. The second fluidic pumping element fluidly communicates with the second hydraulic circuit segment. The first fluidic pumping element is controllable to a first pump operating point to achieve a preferred high fluidic flow rate in the first hydraulic circuit segment. The second fluidic pumping element is controllable to a second pump operating point to achieve a preferred high fluidic pressure in the second hydraulic circuit segment.Type: GrantFiled: January 19, 2010Date of Patent: February 4, 2014Assignee: GM Global Technology Operations LLCInventors: John C. Schultz, Norman Schoenek, Kevin Michael Dougan, Edwin T. Grochowski, Daryl A Wilton, Edward W. Mellet