The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 04, 2007
Filed:
Sep. 28, 2004
David F. Reuter, Beavercreek, OH (US);
David F. Reuter, Beavercreek, OH (US);
Delphi Technologies, Inc., Troy, MI (US);
Abstract
The invention provides a method and apparatus wherein the apparatus includes a housing having a first end and a second end. The housing also includes a first aperture and a second aperture. The first aperture is positioned to communicate with a first fluid source at a first pressure. The second aperture is positioned to communicate with a second fluid source at a second pressure. The first pressure is greater than the second pressure. The apparatus also includes a first piston disposed in the housing. The first piston is moveable between the first and second ends. The first piston includes a front surface communicating with the second aperture and a back surface communicating with the first aperture. The first piston also includes a first passageway communicating with the front and back surfaces. The apparatus also includes a three-way valve fluidly disposed between the first aperture and the back surface and between the front surface and the back surface. The apparatus also includes an output rod immovably associated with the first piston and extending away from said front surface.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile