Patents by Inventor Jonathan Hottenstein

Jonathan Hottenstein 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).

  • Patent number: 8839928
    Abstract: A hydraulic control system for a dual clutch transmission includes a plurality of pressure and flow control devices and logic valve assemblies in fluid communication with a plurality of clutch actuators and with a plurality of synchronizer actuators. The clutch actuators are operable to actuate a plurality of torque transmitting devices and the synchronizer actuators are operable to actuate a plurality of synchronizer assemblies. Selective activation of combinations of the pressure control solenoids and the flow control solenoids allows for a pressurized fluid to activate at least one of the clutch actuators and synchronizer actuators in order to shift the transmission into a desired gear ratio.
    Type: Grant
    Filed: October 10, 2011
    Date of Patent: September 23, 2014
    Assignee: GM Global Technology Operations, LLC
    Inventors: Philip C. Lundberg, Steven P. Moorman, Bret M. Olson, John R. Czoykowski, Jonathan Hottenstein
  • Publication number: 20120138406
    Abstract: A hydraulic control system for a dual clutch transmission includes a plurality of pressure and flow control devices and logic valve assemblies in fluid communication with a plurality of clutch actuators and with a plurality of synchronizer actuators. The clutch actuators are operable to actuate a plurality of torque transmitting devices and the synchronizer actuators are operable to actuate a plurality of synchronizer assemblies. Selective activation of combinations of the pressure control solenoids and the flow control solenoids allows for a pressurized fluid to activate at least one of the clutch actuators and synchronizer actuators in order to shift the transmission into a desired gear ratio.
    Type: Application
    Filed: October 10, 2011
    Publication date: June 7, 2012
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Philip C. Lundberg, Steven P. Moorman, Bret M. Olson, John R. Czoykowski, Jonathan Hottenstein
  • Patent number: 8122787
    Abstract: A transmission includes a transmission case, a rotatable component disposed within the transmission case, and a sump disposed below the rotatable component for storing a hydraulic fluid. A gear train baffle is disposed between the rotatable component and the transmission case. The baffle includes an outer surface, an inner surface defining a cavity that substantially encircles the rotatable component, and a plurality of tabs disposed radially outward from the outer surface. The plurality of tabs are in contact with the transmission case to prevent the baffle from rotating. A plurality of openings are located at a bottom portion of the baffle. The plurality of openings extend through the baffle between the inner surface and the outer surface. The hydraulic fluid from the rotatable component collects on the inner surface of the baffle and is directed out of the cavity through the plurality of openings into the sump.
    Type: Grant
    Filed: March 20, 2009
    Date of Patent: February 28, 2012
    Assignee: GM Global Technology Operations LLC
    Inventors: Sean Simpson, Jonathan Hottenstein, Gregory Chessky, Pete R. Garcia
  • Publication number: 20100236357
    Abstract: A transmission includes a transmission case, a rotatable component disposed within the transmission case, and a sump disposed below the rotatable component for storing a hydraulic fluid. A gear train baffle is disposed between the rotatable component and the transmission case. The baffle includes an outer surface, an inner surface defining a cavity that substantially encircles the rotatable component, and a plurality of tabs disposed radially outward from the outer surface. The plurality of tabs are in contact with the transmission case to prevent the baffle from rotating. A plurality of openings are located at a bottom portion of the baffle. The plurality of openings extend through the baffle between the inner surface and the outer surface. The hydraulic fluid from the rotatable component collects on the inner surface of the baffle and is directed out of the cavity through the plurality of openings into the sump.
    Type: Application
    Filed: March 20, 2009
    Publication date: September 23, 2010
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventors: SEAN SIMPSON, JONATHAN HOTTENSTEIN, GREGORY CHESSKY, PETE R. GARCIA