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. 24, 1991
Filed:
Aug. 23, 1990
Applicant:
Inventor:
John S Bright, Newport News, VA (US);
Assignee:
Siemens Automotive L.P., Auburn Hills, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F15B / ;
U.S. Cl.
CPC ...
13762565 ; 25112907 ; 25112914 ; 25112917 ;
Abstract
The valve has a diaphragm connected to the operating mechanism which couples the valve element with the solenoid. Opposite sides of the diaphragm are respectively piloted to one pair of the three ports. The valve may also have a second diaphragm which is also connected to the operating mechanism and has its opposite sides respectively piloted to another pair of the three ports.