Patents by Inventor Edwin Heemskerk

Edwin Heemskerk 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).

  • Publication number: 20130199170
    Abstract: A hydraulic drive device with energy recovery function, includes a pressure medium pump for supplying a consumer with pressure medium and a return line for removing the pressure medium from the consumer. The discharged pressure medium is returned under pressure to the suction side of the pressure medium pump.
    Type: Application
    Filed: September 14, 2010
    Publication date: August 8, 2013
    Applicant: Robert Bosch GmbH
    Inventors: Uwe Neumann, Jan Amrhein, Edwin Heemskerk
  • Patent number: 8429909
    Abstract: A control system actuates at least two hydraulic consumers that may be supplied with pressure medium via a pump, in the case of which an electrically or electrohydraulically adjustable metering orifice (8) is situated in the pressure medium flow path to each of the consumers. The pressure medium flow to the consumer may be adjusted by the metering orifice. A device may adjust the pump pressure or the pumped quantity once a maximum load pressure in the supply line (22, 24) of a consumer has been reached, depending on the demand for pressure medium by one consumer or the other consumer.
    Type: Grant
    Filed: July 7, 2008
    Date of Patent: April 30, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Edwin Heemskerk, Bernd Voelker
  • Publication number: 20100192562
    Abstract: The invention relates to a control arrangement and a method for controlling at least two hydraulic consumers. According to the invention, when a pre-determined maximum load pressure of one of the consumers is exceeded, the pump is controlled according to the pressure medium requirement of the other consumer having a lower load.
    Type: Application
    Filed: July 7, 2008
    Publication date: August 5, 2010
    Inventors: Edwin Heemskerk, Bernd Voelker