Patents by Inventor James D. Hendrickson
James D. Hendrickson 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: 20080061510Abstract: A seal assembly that is usable with a well includes a metal body that is adapted to expand radially inwardly and radially outwardly in response to the body being longitudinally compressed between compressing surfaces. The metal body includes first and second surfaces that do not conform to the compressing surfaces before longitudinal compression of the body and are adapted to contact the compressing surfaces.Type: ApplicationFiled: April 11, 2007Publication date: March 13, 2008Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Yanmei Li, Daniel M. Torbett, Andrew T. Werner, James D. Hendrickson, Nathan Kathol, Vi Nguy
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Publication number: 20080033811Abstract: A computer-implemented method for managing participants of a marketing campaign is disclosed. The method includes generating a marketing campaign with multiple tracks. Each track comprises one or more steps that indicate an activity executed on campaign participants. The method also includes generating segmentation conditions based on natural language statements. Each segmentation condition includes a rule and a time condition. Additionally, the method includes associating a campaign participant from a first track to a second track if behavior information satisfies a segmentation condition. The behavior information includes a response by the campaign participant to an activity indicated by a step in the first track.Type: ApplicationFiled: August 4, 2006Publication date: February 7, 2008Inventors: Bryan R. Brown, Robert E. Johnson, James D. Hendrickson, Andrea F. Anderson
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Patent number: 7325612Abstract: Apparatuses and methods allow a downhole anchor device to be cut, released, and retrieved using a single one-trip cutter and removal assembly. The assembly preferably includes a cutter head recessed behind an anchor latch. The latch is landed to the anchor device to be removed and the cutter head is extended therefrom and activated. Once cut by the cutter head, the anchor device is retrieved upon a distal end of the assembly.Type: GrantFiled: April 28, 2005Date of Patent: February 5, 2008Assignee: Schlumberger Technology CorporationInventors: James D. Hendrickson, Bennie Gill, Reginald E. Francis
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Publication number: 20070275814Abstract: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first and second differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, up to six selectable torque-transfer devices and possibly a dog clutch. The selectable torque transmitting devices are engaged to yield an EVT with a continuously variable range of speeds (including reverse) and at least four mechanically fixed forward speed ratios. The torque transmitting devices and the first and second motor/generators are operable to provide five operating modes in the electrically variable transmission, including battery reverse mode, EVT reverse mode, reverse and forward launch modes, continuously variable transmission range mode, and fixed ratio mode.Type: ApplicationFiled: May 25, 2006Publication date: November 29, 2007Inventors: Norman K. Bucknor, Tejinder Singh, John A. Diemer, Alan G. Holmes, James D. Hendrickson, Joshua E. Lehrmann, Madhusudan Raghavan
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Patent number: 7278941Abstract: An electrically variable transmission includes: an input member to receive power from an engine; an output member; first and second motor/generators; and first and second differentially geared planetary gear sets each having first, second and third gear members. The input member is continuously connected to the first member of the first planetary gear set, and the output member is continuously connected to the first member of the second planetary gear set. The first motor/generator is continuously connected to the second member of the first planetary gear set, and selectively connected to the second member of the second planetary gear set. The second motor/generator is continuously connected with the third member of the second planetary gear set. A first torque transfer device selectively grounds the second member of the second planetary gear set. A second torque transfer device selectively connects the second member of the second planetary gear set to the second member of the first planetary gear set.Type: GrantFiled: March 3, 2005Date of Patent: October 9, 2007Assignee: General Motors CorporationInventors: Alan G. Holmes, Michael R. Schmidt, Donald Klemen, James D. Hendrickson, Henryk Sowul
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Patent number: 7261660Abstract: An electrically variable transmission is provided including an input member to receive power from an engine about a primary axis; an output member connected to a transfer member for transmitting power to a secondary axis; first and second motor/generators; and first and second simple planetary gear sets each having first, second and third members. The input member is continuously connected to the first member of the first gear set, and the output member is continuously connected to the first member of the second gear set. The first motor/generator is continuously connected to the second member of the first gear set. The second motor/generator is continuously connected with the third member of the first or second gear set. First and second torque transfer devices are positioned on one side of the transfer member, and the first and second gear sets are positioned on an opposite side of the transfer member.Type: GrantFiled: May 18, 2005Date of Patent: August 28, 2007Assignee: General Motors CorporationInventors: Henryk Sowul, Alan G. Holmes, Michael R. Schmidt, Donald Klemen, James D. Hendrickson
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Patent number: 7261658Abstract: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first and second differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, and five selectable torque-transfer devices. The selectable torque transfer devices are engaged in combinations of two or three to yield an EVT with a continuously variable range of speeds (including reverse) and three mechanically fixed forward speed ratios. The torque transfer devices and the first and second motor/generators are operable to provide five operating modes in the electrically variable transmission, including battery reverse mode, EVT reverse mode, reverse and forward launch modes, continuously variable transmission range mode, and fixed ratio mode.Type: GrantFiled: April 6, 2005Date of Patent: August 28, 2007Assignee: GM Global Technology Operations, Inc.Inventors: Norman K. Bucknor, James D. Hendrickson, Madhusudan Raghavan
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Patent number: 7261659Abstract: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first and second differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, and five selectable torque-transfer devices (two clutches and three brakes). The selectable torque transfer devices are engaged singly or in combinations of two or three to yield an EVT with a continuously variable range of speeds (including reverse) and up to three mechanically fixed forward speed ratios. The torque transfer devices and the first and second motor/generators are operable to provide five operating modes in the electrically variable transmission, including battery reverse mode, EVT reverse mode, reverse and forward launch modes, continuously variable transmission range mode, and fixed ratio mode.Type: GrantFiled: April 22, 2005Date of Patent: August 28, 2007Assignee: GM Global Technology Operations, Inc.Inventors: Madhusudan Raghavan, Norman K. Bucknor, James D. Hendrickson
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Patent number: 7261657Abstract: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first, second and third differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, and four or five selectable torque-transfer devices (two clutches and two or three brakes). The selectable torque transfer devices are engaged singly or in combinations of two to yield an EVT with a continuously variable range of speeds (including reverse) and four mechanically fixed forward speed ratios. The torque transfer devices and the first and second motor/generators are operable to provide five operating modes in the electrically variable transmission, including battery reverse mode, EVT reverse mode, reverse and forward launch modes, continuously variable transmission range mode, and fixed ratio mode.Type: GrantFiled: April 6, 2005Date of Patent: August 28, 2007Assignee: GM Global Technology Operations, Inc.Inventors: Norman K. Bucknor, James D. Hendrickson, Madhusudan Raghavan
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Patent number: 7252611Abstract: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first and second differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, a fixed interconnection, and five selectable torque-transfer devices. The selectable torque transfer devices are engaged in combinations of two or three to yield an EVT with a continuously variable range of speeds (including reverse) and four mechanically fixed forward speed ratios. The torque transfer devices and the first and second motor/generators are operable to provide five operating modes in the electrically variable transmission, including battery reverse mode, EVT reverse mode, reverse and forward launch modes, continuously variable transmission range mode, and fixed ratio mode.Type: GrantFiled: February 18, 2005Date of Patent: August 7, 2007Assignee: GM Global Technology Operations, Inc.Inventors: Madhusudan Raghavan, Norman K. Bucknor, James D. Hendrickson
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Patent number: 7252612Abstract: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first and second differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, and at least four selectable torque-transfer devices. The selectable torque transfer devices are engaged singly or in pairs to yield an EVT with a continuously variable range of speeds (including reverse) and at least three mechanically fixed forward speed ratios. The torque transfer devices and the first and second motor/generators are operable to provide five operating modes in the electrically variable transmission, including battery reverse mode, EVT reverse mode, reverse and forward launch modes, continuously variable transmission range mode, and fixed ratio mode.Type: GrantFiled: April 14, 2005Date of Patent: August 7, 2007Assignee: GM Global Technology Operations, Inc.Inventors: Norman K. Bucknor, James D. Hendrickson, Madhusudan Raghavan
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Electrically variable transmission having three planetary gear sets and three fixed interconnections
Patent number: 7238131Abstract: A family of electrically variable transmissions providing low-content, low-cost electrically variable transmission mechanisms including first, second and third differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, and three selectable torque-transfer devices (two clutches and one brake. The three selectable torque transfer devices are engaged singly, in combinations of two, or singly along with a selectively braked motor/generator to yield an EVT with a continuously variable range of speeds (including reverse) and four mechanically fixed forward speed ratios. Alternatively, the three torque transfer devices may be disengaged while both motor/generators are braked to provide a fixed speed ratio.Type: GrantFiled: January 4, 2005Date of Patent: July 3, 2007Assignee: General Motors CorporationInventors: Madhusudan Raghavan, Norman K. Bucknor, James D. Hendrickson -
Patent number: 7238132Abstract: An electrically variable transmission includes an input member to receive power from an engine about a primary axis; an output member connected to a transfer member for transmitting power to a secondary axis; first and second motor/generators; first and second torque transfer devices; and first and second planetary gear sets each having first, second and third members. The input member is continuously connected to the first member of the first gear set, and the output member is continuously connected to the first member of the second gear set. The first motor/generator is continuously connected to the second member of the first gear set. The second motor/generator is continuously connected with the third member of the first or second gear set. The transfer member is positioned between the first and second motor/generators.Type: GrantFiled: March 11, 2005Date of Patent: July 3, 2007Assignee: General Motors CorporationInventors: Henryk Sowul, Alan G. Holmes, Michael R. Schmidt, Donald Klemen, James D. Hendrickson
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Patent number: 7232393Abstract: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first and second differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, and two or three selectable torque-transfer devices. The selectable torque transfer devices are engaged singly to yield an EVT with a continuously variable range of speeds (including reverse) and two or three mechanically fixed forward speed ratios. The torque transfer devices and the first and second motor/generators are operable to provide five operating modes in the electrically variable transmission, including battery reverse mode, EVT reverse mode, reverse and forward launch modes, continuously variable transmission range mode, and fixed ratio mode.Type: GrantFiled: April 1, 2005Date of Patent: June 19, 2007Assignee: GM Global Technology Operations, Inc.Inventors: Norman K. Bucknor, James D. Hendrickson, Madhusudan Raghavan
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Patent number: 7220203Abstract: An electrically variable transmission includes: an input member to receive power from an engine; an output member; first and second motor/generators; and first and second differentially geared planetary gear sets each having first, second and third gear members. The input member is continuously connected to the first member of the first planetary gear set, and the output member is continuously connected to the first member of the second planetary gear set. The first motor/generator is continuously connected to the second member of the first planetary gear set, and selectively connected to the second member of the second planetary gear set. The second motor/generator is continuously connected with the third member of the second planetary gear set. Five or six torque transfer devices selectively connect members of the planetary gear sets with each other or with ground. The torque transfer devices are engageable in combinations of two or three to provide five or six available fixed speed ratios.Type: GrantFiled: May 18, 2005Date of Patent: May 22, 2007Assignee: General Motors CorporationInventors: Alan G. Holmes, Michael R. Schmidt, Donald Klemen, James D. Hendrickson, Henryk Sowul
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Patent number: 7220200Abstract: An electrically variable transmission is provided including an input member to receive power from an engine; an output member connected to a transfer gear; first and second motor/generators; and first and second simple planetary gear sets each having first, second and third members. The input member is continuously connected to the first member of the first gear set, and the output member is continuously connected to the first member of the second gear set. The first motor/generator is continuously connected to the second member of the first gear set. The second motor/generator is continuously connected with the third member of the first or second gear set. The transfer gear and first and second torque transfer devices are positioned between the first and second gear sets.Type: GrantFiled: March 3, 2005Date of Patent: May 22, 2007Assignee: General Motors CorporationInventors: Henryk Sowul, Alan G. Holmes, Michael R. Schmidt, Donald Klemen, James D. Hendrickson
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Patent number: 7220201Abstract: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first and second differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, and five selectable torque-transfer devices. The selectable torque transfer devices are engaged singly or in pairs to yield an EVT with a continuously variable range of speeds (including reverse) and four mechanically fixed forward speed ratios. The torque transfer devices and the first and second motor/generators are operable to provide five operating modes in the electrically variable transmission, including battery reverse mode, EVT reverse mode, reverse and forward launch modes, continuously variable transmission range mode, and fixed ratio mode.Type: GrantFiled: April 22, 2005Date of Patent: May 22, 2007Assignee: GM Global Technology Operations, Inc.Inventors: Madhusudan Raghavan, Norman K. Bucknor, James D. Hendrickson
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Patent number: 7220202Abstract: The present invention provides an electrically variable transmission having two motor/generators, two differential gear sets such as planetary gear sets, and five torque transfer devices arranged to provide improved launch, performance and gradeability, and enabling five fixed speed ratios. An input member is continuously connected to one member (preferably a ring gear) of the first planetary gear set, and an output member is continuously connected to one member (preferably a carrier) of the second planetary gear set. One motor/generator is continuously connected to another member (preferably a sun gear) in the first planetary gear set as well as being selectively connected to a member (preferably a ring gear) of the second planetary gear set. The second motor/generator is continuously connected to the remaining member (preferably a sun gear) of the second planetary gear set, and is selectively connected to the remaining member (preferably a carrier) of the first planetary gear set.Type: GrantFiled: May 18, 2005Date of Patent: May 22, 2007Assignee: GM Global Technology Operations, Inc.Inventors: Tejinder Singh, Henryk Sowul, James D. Hendrickson
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Patent number: 7192373Abstract: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first and second differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, and four or five selectable torque-transfer devices. The selectable torque transfer devices are engaged singly or in combinations of two to yield an EVT with a continuously variable range of speeds (including reverse) and four mechanically fixed forward speed ratios. The torque transfer devices and the first and second motor/generators are operable to provide five operating modes in the electrically variable transmission, including battery reverse mode, EVT reverse mode, reverse and forward launch modes, continuously variable transmission range mode, and fixed ratio mode.Type: GrantFiled: November 24, 2004Date of Patent: March 20, 2007Assignee: General Motors CorporationInventors: Norman K. Bucknor, James D. Hendrickson, Madhusudan Raghavan, Alan G. Holmes, Patrick B. Usoro
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Patent number: 7179187Abstract: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first, second and third differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, and four selectable torque-transfer devices (two clutches and two brakes). The selectable torque transfer devices are engaged singly or in combinations of two to yield an EVT with a continuously variable range of speeds (including reverse) and four mechanically fixed forward speed ratios. The torque transfer devices and the first and second motor/generators are operable to provide five operating modes in the electrically variable transmission, including battery reverse mode, EVT reverse mode, reverse and forward launch modes, continuously variable transmission range mode, and fixed ratio mode.Type: GrantFiled: February 18, 2005Date of Patent: February 20, 2007Assignee: GM Global Technology Operations, Inc.Inventors: Madhusudan Raghavan, Norman K. Bucknor, James D. Hendrickson