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:
Jun. 20, 2006
Filed:
Apr. 25, 2003
Jean-charles Maligne, Aubervilliers, FR;
Philippe Richard, Chelles, FR;
Stéphane Lacroix, Tournan en Brie, FR;
Ulysse Verbo, Aulnay-sous-Bois, FR;
Jean-Charles Maligne, Aubervilliers, FR;
Philippe Richard, Chelles, FR;
Stéphane Lacroix, Tournan en Brie, FR;
Ulysse Verbo, Aulnay-sous-Bois, FR;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A pneumatic servomotor for power-assisted braking for a motor vehicle having a control rod () for opening and closing at least one axial inlet valve () that is interposed between a front chamber () connected to a pressure source having a pressure (Pa) greater than a first pressure (P) and a back chamber () and at least one axial balancing valve () for actuating a moving partition () located between the front chamber () and the back chamber (). The servomotor being characterized by one-piece floating tubular element () having axially offset transverse faces () that have sealing elements () for sealing the axial inlet valve () and the balancing valve () with the control rod () being activated by a dish-shaped washer () carrying two springs () of different stiffnesses.