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:
Apr. 25, 2006
Filed:
May. 18, 2004
Philippe Richard, Chelles, FR;
Jean-pierre Michon, Saint Pathus, FR;
Philippe Richard, Chelles, FR;
Jean-Pierre Michon, Saint Pathus, FR;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A braking amplifier for a vehicle having a vacuum chamber (), a working chamber () separated by a housing (), a shutter () and an intermediate chamber (). The intermediate chamber () is located in the housing () and defined by a plurality of circular zones () arranged around and axis () of the amplifier that are in communication with the vacuum chamber (). The end of the circular zones () have a rear section () that form a seat () for the shutter (). The shutter () selectively engaging seat () to interrupt communication between the vacuum chamber () and the intermediate chamber () and thereafter place the intermediate chamber () in communication with the working chamber () to effect a brake application.