Patents by Inventor Walter Hamal

Walter Hamal 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).

  • Transfer case arrangement
    Patent number: 8776950
    Abstract: A transfer case arrangement may include a first output shaft, a second output shaft, a clutch, a shutdown device, a lubrication device, and a control. The clutch may distribute a torque between the output shafts. The shutdown device may shut down the second output shaft when the clutch is disengaged. The lubrication device may lubricate the clutch and/or another component of the transfer case arrangement. The lubrication device may include an oil conveying device for conveying lubrication oil. The control may activate the oil conveying device periodically when the second output shaft is shut down.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: July 15, 2014
    Assignee: MAGNA Powertrain AG & Co KG
    Inventors: Johannes Quehenberger, Walter Hamal
  • TRANSFER CASE ARRANGEMENT
    Publication number: 20130244830
    Abstract: A transfer case arrangement may include a first output shaft, a second output shaft, a clutch, a shutdown device, a lubrication device, and a control. The clutch may distribute a torque between the output shafts. The shutdown device may shut down the second output shaft when the clutch is disengaged. The lubrication device may lubricate the clutch and/or another component of the transfer case arrangement. The lubrication device may include an oil conveying device for conveying lubrication oil. The control may activate the oil conveying device periodically when the second output shaft is shut down.
    Type: Application
    Filed: March 7, 2013
    Publication date: September 19, 2013
    Inventors: Johannes Quehenberger, Walter Hamal
  • TRANSFER CASE ARRANGEMENT
    Publication number: 20090235781
    Abstract: The invention relates to a transfer case arrangement comprising a first output shaft, a second output shaft, a clutch for the distribution of a torque between the output shafts, a shutdown device for the shutting down of the second output shaft when the clutch is disengaged and a lubrication device for the lubrication of the clutch and/or of another component of the transfer case arrangement.
    Type: Application
    Filed: March 19, 2009
    Publication date: September 24, 2009
    Applicant: MAGNA Powertrain AG & Co KG
    Inventors: Johannes Quehenberger, Walter Hamal