Patents by Inventor John A. Diemer
John A. Diemer 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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Publication number: 20160160934Abstract: A transmission having a rotating clutch pack assembly is provided, The rotating clutch pack having an interconnecting member, a plurality of friction discs, a rotating member, a first and a second axial bearing, and a biasing member. The interconnecting member is connected for common rotation with a member of the planetary gear set. The rotating member is connected to the second set of friction discs for common rotation. The first axial bearing is disposed between the clutch piston and the plurality of friction discs and the second axial bearing is disposed between the plurality of friction discs and the transmission housing. The biasing member is disposed between the interconnecting member and the rotating member. A clutch piston selectively applies an axial force through the first axial bearing, the plurality of friction discs, and the second axial bearing to the transmission housing.Type: ApplicationFiled: February 15, 2016Publication date: June 9, 2016Inventors: TEJINDER SINGH, BORIS BURGMAN, JOHN A. DIEMER
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Patent number: 9347502Abstract: A transmission comprising housing and an axially compliant hub having a central plate with an axial opening and an outer circumference. The central plate is attached to the attached to the circumference with at least one strap spring. A method of managing axial stack up in a transmission is also disclosed where the transmission has a plurality of planetary gear sets aligned in series and at least one torque transmitting device. The planetary gear has gear members. The method includes providing a an axially compliant hub having a central plate with an axial opening and an outer circumference, wherein the central plate is attached to the attached to the circumference with at least one strap spring and wherein the outer circumference is connected to the torque transmitting device and wherein the central plate is connected to a gear member of a planetary gear set.Type: GrantFiled: December 23, 2013Date of Patent: May 24, 2016Assignee: GM Global Technology Operations, LLCInventors: John A. Diemer, Victor M. Roses, Addison T. Solak
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Patent number: 9291210Abstract: A dual mass flywheel and dual clutch module assembly includes a connector plate and a drive plate. The connector plate is fastened to a center plate of the dual clutch module and has a plurality of castellation tabs disposed on an inner periphery of the connector plate. The drive plate drivingly connected to a flywheel member of the dual mass flywheel and includes a plurality of castellation tabs disposed on an inner periphery of the drive plate. The plurality of castellation tabs of the connector plate are interleaved with the plurality of castellation tabs of the drive plate.Type: GrantFiled: August 11, 2014Date of Patent: March 22, 2016Assignee: GM Global Technology Operations LLCInventors: Tejinder Singh, Randal William Arndt, John A. Diemer, Rima Philippin
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Patent number: 9261186Abstract: A transmission having a rotating clutch pack assembly is provided, the rotating clutch pack having an interconnecting member, a plurality of friction discs, a rotating member, a first and a second axial bearing, and a biasing member. The interconnecting member is connected for common rotation with a member of the planetary gear set. The rotating member is connected to the second set of friction discs for common rotation. The first axial bearing is disposed between the clutch piston and the plurality of friction discs and the second axial bearing is disposed between the plurality of friction discs and the transmission housing. The biasing member is disposed between the interconnecting member and the rotating member. A clutch piston selectively applies an axial force through the first axial bearing, the plurality of friction discs, and the second axial bearing to the transmission housing.Type: GrantFiled: March 4, 2014Date of Patent: February 16, 2016Assignee: GM GLOBAL TECHNOLOGY OPERATIONS, LLCInventors: Tejinder Singh, Boris Burgman, John A. Diemer
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Publication number: 20160040727Abstract: A dual mass flywheel and dual clutch module assembly includes a connector plate and a drive plate. The connector plate is fastened to a center plate of the dual clutch module and has a plurality of castellation tabs disposed on an inner periphery of the connector plate. The drive plate drivingly connected to a flywheel member of the dual mass flywheel and includes a plurality of castellation tabs disposed on an inner periphery of the drive plate. The plurality of castellation tabs of the connector plate are interleaved with the plurality of castellation tabs of the drive plate.Type: ApplicationFiled: August 11, 2014Publication date: February 11, 2016Applicant: GM Global Technology Operations LLCInventors: Tejinder Singh, Randal William Arndt, John A. Diemer, Rima Philippin
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Patent number: 9234551Abstract: A transmission and a clutch assembly for a vehicle are disclosed. The clutch assembly includes a housing defining a cavity presenting an interior surface. The interior surface defines a pocket along a longitudinal axis. The clutch assembly further includes a piston disposed in the pocket and movable between an initial position and a final position relative to the pocket along the longitudinal axis. The piston includes a plurality of flanges extending outwardly away from the longitudinal axis. The clutch assembly also includes a biasing member attached to the interior surface of the housing and engaging the piston to continuously bias the piston toward the initial position. The biasing member abuts the flanges of the piston to prevent rotation of the piston about the longitudinal axis as the piston moves between the initial and final positions along the longitudinal axis.Type: GrantFiled: September 12, 2012Date of Patent: January 12, 2016Assignee: GM Global Technology Operations LLCInventors: Scott William Heitzenrater, Robert Neil Paciotti, Douglas John Dwenger, Larry D. Diemer, John A. Diemer
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Patent number: 9227501Abstract: A transmission for a vehicle and a method of assembling a modular motor assembly in the transmission are disclosed. The transmission includes a housing defining a cavity along a longitudinal axis. The transmission further includes a first motor/generator and a second motor/generator each disposed in the cavity. The transmission also includes a first support supporting the first motor/generator such that the first motor/generator is mounted to the first support to define a first modular unit. The first modular unit is attached to the housing within the cavity. The transmission further includes a second support supporting the second motor/generator such that the second motor/generator is mounted to the second support to define a second modular unit. The second modular unit is attached to the first modular unit such that the first and second modular units align with each other along the longitudinal axis within the cavity of the housing.Type: GrantFiled: October 22, 2012Date of Patent: January 5, 2016Assignee: GM Global Technology Operations LLCInventors: Pete R Garcia, Kent A. Miller, John A. Diemer
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Publication number: 20150327544Abstract: Disclosed are pressurized surface treatment compositions which impart a microbicidal benefit to treated surfaces which compositions comprise (or in certain preferred embodiments may consist essentially of, or may consist of): a zinc ion source material which releases zinc ions into the treatment composition, preferably a source of Zn++ ions, at least lower alkyl aliphatic monohydric alcohol which independently of other constituents present exhibits a microbicidal effect, a propellant; and, water. The compositions may further optionally include one or more further optional constituents such as a detersive surfactant and/or minor amounts of one or more constituents which impart one or more advantageous technical or aesthetic benefits to the compositions, including one or more detersive surfactants wherein the compositions have pH of at least 5.Type: ApplicationFiled: June 28, 2013Publication date: November 19, 2015Inventors: Frank APOLLO, John DIEMER, Mohammad Khalid IJAZ, Yun-Peng ZHU
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Publication number: 20150250183Abstract: Sprayable, pressurized, liquid, inanimate surface treatment compositions comprise: a zinc source material which releases zinc ions into the treatment composition, at least one alcohol which independently of other constituents present exhibits a microbicidal effect, at least one quaternary ammonium compound which provides a microbicidal benefit, propellant, water, optionally but very preferably at least one detersive surfactant, further optionally one or more further constituents which impart one or more advantageous technical or aesthetic benefits to the compositions, wherein the compositions are at a pH such that the surface treatment compositions exhibit a microbicidal or germicidal or antimicrobial effect on treated inanimate surfaces, characterized in exhibiting a microbicidal benefit when tested against one or more challenge microorganisms, preferably against poliovirus type 1(Sabin) [(“PV1”)], according to one or more of the following standardized test protocols: ASTM E1052 Standard Test Method for EffiType: ApplicationFiled: July 1, 2013Publication date: September 10, 2015Inventors: Frank Apollo, John Diemer, Mohammad Khalid Ijaz, Yun-Peng Zhu
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Publication number: 20150252890Abstract: A transmission having a rotating clutch pack assembly is provided, The rotating clutch pack having an interconnecting member, a plurality of friction discs, a rotating member, a first and a second axial bearing, and a biasing member. The interconnecting member is connected for common rotation with a member of the planetary gear set. The rotating member is connected to the second set of friction discs for common rotation. The first axial bearing is disposed between the clutch piston and the plurality of friction discs and the second axial bearing is disposed between the plurality of friction discs and the transmission housing. The biasing member is disposed between the interconnecting member and the rotating member. A clutch piston selectively applies an axial force through the first axial bearing, the plurality of friction discs, and the second axial bearing to the transmission housing.Type: ApplicationFiled: March 4, 2014Publication date: September 10, 2015Applicant: GM Global Technology Operations LLCInventors: Tejinder Singh, Boris Burgman, John A. Diemer
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Patent number: 9080650Abstract: A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. The torque transmitting devices include clutches and brakes including a selectable one-way clutch actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.Type: GrantFiled: August 15, 2013Date of Patent: July 14, 2015Assignee: GM Global Technology Operations, Inc.Inventors: Kent H. Kienzle, Dan Coffey, David M. Zini, John A. Diemer, Pete R. Garcia, Tejinder Singh, Boris Burgman
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Publication number: 20150176661Abstract: A transmission comprising housing and an axially compliant hub having a central plate with an axial opening and an outer circumference. The central plate is attached to the attached to the circumference with at least one strap spring. A method of managing axial stack up in a transmission is also disclosed where the transmission has a plurality of planetary gear sets aligned in series and at least one torque transmitting device. The planetary gear has gear members. The method includes providing a an axially compliant hub having a central plate with an axial opening and an outer circumference, wherein the central plate is attached to the attached to the circumference with at least one strap spring and wherein the outer circumference is connected to the torque transmitting device and wherein the central plate is connected to a gear member of a planetary gear set.Type: ApplicationFiled: December 23, 2013Publication date: June 25, 2015Inventors: John A. Diemer, Victor M. Roses, Addison T. Solak
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Patent number: 9052003Abstract: A transmission includes 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 brakes that are actuated in various combinations to establish a plurality of forward gear ratios and a reverse gear ratio.Type: GrantFiled: February 1, 2013Date of Patent: June 9, 2015Assignee: GM Global Technoloy Operations, LLCInventors: Pete R. Garcia, John A. Diemer, Tejinder Singh, Douglas John Dwenger
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Patent number: 9033681Abstract: An integrated control valve body and hydraulic pump for an automatic transmission includes a control valve body having a plurality of control valves and passageways and an internal cavity having an inlet and an outlet, a pump rotor received within the internal cavity and having a plurality of radially and axially extending slots, radially moveable vanes and a shaft, and a device for transferring drive energy from a drive shaft extending between an output of a torque converter and an input of the transmission to the shaft of the hydraulic pump. The device for transferring drive energy may be a pair of chain sprockets and a chain, a pair of spur or helical gears or other inter-axis power transfer components and may affect a speed increase or reduction.Type: GrantFiled: October 21, 2009Date of Patent: May 19, 2015Assignee: GM Global Technology Operations, LLCInventors: Michael P. Fannin, John A. Diemer, Douglas John Dwenger, Brian W. Whitmarsh
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Patent number: 8978860Abstract: A transmission for a vehicle and a method of assembling the transmission of the vehicle are disclosed. The transmission includes a housing defining a cavity and a recess disposed inside the housing. The recess extends outwardly away from the cavity along a longitudinal axis. The transmission further includes a clutch disposed inside the cavity. In addition, the transmission includes a guide member disposed inside the cavity and defining a first path and a second path spaced from each other. At least one of the first and second paths is in fluid communication with the clutch. The guide member includes a mounting portion disposed in the recess and engaging the housing in an interference fit to secure the guide member to the housing.Type: GrantFiled: September 12, 2012Date of Patent: March 17, 2015Assignee: GM Global Technology Operations LLCInventors: John A. Diemer, Nina Khakham
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Patent number: 8967353Abstract: A transmission includes a housing defining a sealed interior and an input hub rotatably coupled to the housing. A gear set is disposed within the housing and configured for receiving a torque from an engine. The transmission further includes an isolator assembly and a bypass clutch, each disposed within the sealed interior of the housing. The isolator assembly is configured for selectively damping drivetrain inertia and/or vibration. The bypass clutch selectively engages and disengages the isolator assembly.Type: GrantFiled: October 30, 2009Date of Patent: March 3, 2015Assignee: GM Global Technology Operations LLCInventors: Victor M. Roses, John A. Diemer, Randy Lewis Melanson, Douglas John Dwenger, Randal William Arndt, Pete R. Garcia, Michael L. Duhaime
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Patent number: 8968146Abstract: A transmission is provided having an input member, an output member, 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 brakes actuatable in combinations of two to establish a plurality of forward gear ratios and one reverse gear ratio.Type: GrantFiled: May 9, 2013Date of Patent: March 3, 2015Assignee: GM Global Technology Operations, LLCInventors: Pete R. Garcia, Tejinder Singh, John A. Diemer, Douglas John Dwenger
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Patent number: 8905850Abstract: A transmission for a vehicle and a shaft assembly for transferring a fluid in the transmission of the vehicle are disclosed. The shaft assembly includes an input member rotatable about a longitudinal axis. The input member defines a cavity along the longitudinal axis. The shaft assembly further includes a shaft rotatable about the longitudinal axis and extending to a first end facing the input member. The shaft and the input member are spaced from each other along the longitudinal axis to define a gap therebetween. The shaft assembly also includes a cap attached to the shaft, with the cap extending through the gap into the cavity of the input member. The cap defines an aperture in fluid communication with the cavity for delivering the fluid from the shaft to the cavity of the input member.Type: GrantFiled: July 6, 2012Date of Patent: December 9, 2014Assignee: GM Global Technology Operations LLCInventors: John A. Diemer, Mindy L. Barth
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Publication number: 20140202402Abstract: A transmission for a vehicle is disclosed. The transmission includes a casing defining a first cavity and a second cavity inside the casing, with the first cavity selectively open to outside of the casing. The transmission also includes a platform at least partially disposed inside the casing to separate the first and second cavities. Furthermore, the transmission includes a power inverter module selectively disposed in the first cavity. The power inverter module includes a cooling system for cooling the power inverter module. The transmission also includes a guide attached to the platform and the casing within the second cavity such that the guide provides fluid communication between the cooling system of the power inverter module within the first cavity and outside of the casing while bypassing the second cavity.Type: ApplicationFiled: January 18, 2013Publication date: July 24, 2014Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Konstantinos Triantos, John A. Diemer, Pete R. Garcia, Kent A. Miller, Anthony P. Tata
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Publication number: 20140202279Abstract: A transmission for a vehicle is disclosed. The transmission includes a casing. The casing includes a base and a plurality of walls extending outwardly away from the base to a distal edge. The casing defines a first cavity and a second cavity between the walls. The transmission also includes a platform disposed between the walls to separate the first and second cavities. The first cavity is disposed adjacent to the distal edge of each of the walls. The transmission further includes a power inverter module defining a self-contained unit selectively disposed in the first cavity. The self-contained unit is supported by the platform when in the first cavity.Type: ApplicationFiled: January 18, 2013Publication date: July 24, 2014Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Konstantinos Triantos, John A. Diemer, Pete R. Garcia, Kent A. Miller, Anthony P. Tata