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:
Sep. 09, 2003
Filed:
May. 09, 2002
Kurt Mohr, Halsenbach, DE;
Lucas Varity GmbH, , DE;
Abstract
A vehicle brake system has a gas pressure accumulator ( ) comprising a housing ( ), the interior of which is divided by metal bellows ( ) into a gas-sensed gas chamber ( ) and a fluid chamber ( ). Via a feed line ( ) a fluid may be supplied under pressure to and removed from the fluid chamber ( ), wherein provided between the fluid chamber ( ) and the feed line ( ) is a valve arrangement ( ), which closes when the pressure in the feed line ( ) drops below a minimum value and opens when the pressure exceeds the minimum value. To increase the operational reliability of the gas pressure accumulator ( ), the valve arrangement ( ) closes when the pressure in the feed line ( ) exceeds a maximum value and opens when the pressure drops below the maximum value.