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:
May. 05, 2015
Filed:
Sep. 28, 2010
Applicants:
Valentin Szermutzky, Bruchkoebel, DE;
Heiko Roth, Heilbronn, DE;
Inventors:
Valentin Szermutzky, Bruchkoebel, DE;
Heiko Roth, Heilbronn, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 3/10 (2006.01); F16K 31/06 (2006.01);
U.S. Cl.
CPC ...
F16K 31/0689 (2013.01); F16K 31/0696 (2013.01);
Abstract
The invention provides a switching valve having a valve element which is movable in a housing, an actuating apparatus acting on the valve element in a first direction and a spring apparatus charging the valve element in a second direction. According to the invention, the first and second directions are in opposition and the spring apparatus has a progressive spring characteristic.