Patents by Inventor Christian Balmonet

Christian Balmonet 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).

  • Dampened hydraulic pilot control arrangement for a spool valve
    Patent number: 8925584
    Abstract: A hydraulic pilot control arrangement for a spool valve is provided, wherein the spool of the spool valve is biased towards a central position. The arrangement includes a first and a second pilot hydraulic line connected to opposite sides of the spool of the spool valve and a pilot pressure regulating arrangement is provided for selectively establishing or removing a pilot pressure in each of the first and second lines. The arrangement includes a damping device including a chamber divided into a first and a second pressure compartment by a sliding piston, the first and second pressure compartments being connected respectively to the first and second pilot hydraulic lines, and the piston is biased towards a rest position in the chamber.
    Type: Grant
    Filed: October 26, 2009
    Date of Patent: January 6, 2015
    Assignee: Renault Trucks
    Inventors: Christian Balmonet, David Lazzaro
  • DAMPENED HYDRAULIC PILOT CONTROL ARRANGEMENT FOR A SPOOL VALVE
    Publication number: 20120205565
    Abstract: A hydraulic pilot control arrangement for a spool valve is provided, wherein the spool of the spool valve is biased towards a central position. The arrangement includes a first and a second pilot hydraulic line connected to opposite sides of the spool of the spool valve and a pilot pressure regulating arrangement is provided for selectively establishing or removing a pilot pressure in each of the first and second lines. The arrangement includes a damping device including a chamber divided into a first and a second pressure compartment by a sliding piston, the first and second pressure compartments being connected respectively to the first and second pilot hydraulic lines, and the piston is biased towards a rest position in the chamber.
    Type: Application
    Filed: October 26, 2009
    Publication date: August 16, 2012
    Applicant: VOLVO COMPACT EQUIPMENT SAS
    Inventors: Christian Balmonet, David Lazzaro