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:
Jan. 12, 2021
Filed:
Dec. 16, 2015
Applicant:
Robert Bosch Gmbh, Stuttgart, DE;
Inventors:
Holger Muehlhoff, Hoesbach, DE;
Robert Schloeder, Gemuenden, DE;
Dieter Born, Lohr, DE;
Wasilij Schieder, Gemuenden, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 27/04 (2006.01); F16K 17/04 (2006.01); F16K 27/00 (2006.01); F16K 17/06 (2006.01);
U.S. Cl.
CPC ...
F16K 27/041 (2013.01); F16K 17/0466 (2013.01); F16K 27/00 (2013.01); F16K 17/06 (2013.01); Y10T 137/774 (2015.04); Y10T 137/7762 (2015.04);
Abstract
A pressure-limiting valve includes a housing and a pressure adjustment device provided therein. The pressure-limiting valve further includes a valve seat arranged in the housing and configured to be closed by a spring-loaded closing element of the pressure adjustment device. The housing is composed of cast iron having spherical graphite. The housing is surface-hardened at least in a region of the valve seat.