Patents by Inventor Arnulf Hoscheler

Arnulf Hoscheler 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: 5048295
    Abstract: In a hydrostatic transmission comprising a pump and a hydraulic motor arranged in a main line having low pressure and high pressure sections, wherein an oil drain line of the hydraulic motor is connected to the low pressure section of the main line, the housing of the hydraulic motor is freed from excessively high pressures in the main line by arranging a valve having an adjustable passage cross-section which decreases with increasing pressure in the main line before--in the direction of flow--the line connection of the oil drain line.
    Type: Grant
    Filed: March 15, 1989
    Date of Patent: September 17, 1991
    Assignee: Hydromatik GmbH
    Inventor: Arnulf Hoscheler