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:
Oct. 05, 2004
Filed:
Aug. 19, 2002
Applicant:
Inventors:
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 1/304 ;
U.S. Cl.
CPC ...
F15B 1/304 ;
Abstract
A device for at least intermittently generating an overpressure in a system S in relation to an ambient pressure U includes a pump P that has a pressure side and an intake side where during the generation of an overpressure, the pressure side is connected to the system S and the intake side is connected to the ambient pressure by means of at least one first valve MV , in particular a solenoid valve. At least one additional valve (ZV) is provided, which is connected in parallel to the first valve MV and can provide an additional cross section for the intake volume flow during the generation of an overpressure.