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:
Sep. 04, 1990
Filed:
Jul. 27, 1989
Applicant:
Inventor:
Lawrence C Kennedy, Birmingham, MI (US);
Assignee:
Detroit Diesel Corporation, Detroit, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
137115 ; 137116 ; 137569 ; 137881 ; 137885 ;
Abstract
A pressure regulator and relief valve including a valve body, a first regulating valve moveable between first and second positions in response to a predetermined gallery pressure for regulating the pressure of a fluid, a second relief valve moveable between first and second positions in response to a predetermined relief pressure of a fluid and a single spring disposed within the valve body for biasing both the first regulating valve and the second relief valve to their respective first positions within the valve body.