Patents Assigned to CLAAS Material Handling GmbH
  • Patent number: 11639730
    Abstract: A device for the deaeration of a hydraulic fluid of a hydraulic system has at least one hydraulic motor arrangement and a hydraulic fluid storage which is hydraulically coupled with this hydraulic motor arrangement. A suction device for sucking out the hydraulic fluid is associated with the at least one hydraulic motor arrangement such that the suction device guides hydraulic fluid out of the hydraulic motor arrangement into the hydraulic fluid storage by means of vacuum pressure (?p). The suction device is constructed as a jet pump and is integrated in the return line between the hydraulic motor arrangement and hydraulic fluid storage.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: May 2, 2023
    Assignee: CLAAS Material Handling GmbH
    Inventors: Heinrich Dueckinghaus, Christian Ostfechtel, Markus Wiefel
  • Publication number: 20200072255
    Abstract: A device for the deaeration of a hydraulic fluid of a hydraulic system has at least one hydraulic motor arrangement and a hydraulic fluid storage which is hydraulically coupled with this hydraulic motor arrangement. A suction device for sucking out the hydraulic fluid is associated with the at least one hydraulic motor arrangement such that the suction device guides hydraulic fluid out of the hydraulic motor arrangement into the hydraulic fluid storage by means of vacuum pressure (?p). The suction device is constructed as a jet pump and is integrated in the return line between the hydraulic motor arrangement and hydraulic fluid storage.
    Type: Application
    Filed: July 31, 2019
    Publication date: March 5, 2020
    Applicant: CLAAS Material Handling GmbH
    Inventors: Heinrich Dueckinghaus, Christian Ostfechtel, Markus Wiefel