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:
Dec. 15, 2009
Filed:
Nov. 16, 2005
Fred Hoffman, Columbia Station, OH (US);
Leonard Quinn, Lagrange, OH (US);
Fred Hoffman, Columbia Station, OH (US);
Leonard Quinn, Lagrange, OH (US);
Bendix Commercial Vehicle Systems LLC, Elyria, OH (US);
Abstract
A pressure control valve includes a housing, a piston within the housing, a biasing means within the housing for biasing the piston to seat in a first position for limiting fluid communication between an inlet port of the housing and an outlet port of the housing, and an insert cooperating with the biasing means for setting a pressure differential between an inlet side of the piston and an outlet side of the piston that unseats the piston from the first position for establishing fluid communication between the inlet port and the outlet port.