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:
Aug. 29, 1989
Filed:
Aug. 31, 1988
Richard M Parrott, Noblesville, IN (US);
Jack A Colvin, Anderson, IN (US);
Lyle W Shuey, Pendleton, IN (US);
General Motors Corporation, Detroit, MI (US);
Abstract
A dual solenoid valve assembly is provided. The assembly includes a casing joined to a housing having a pressure inlet and outlet, an exhaust port, a first fluid path connecting the inlet and the outlet, and a second fluid path intersecting the first fluid path and connected with the exhaust port. A first valve seat is in the first fluid path and a second valve seat is in the second fluid path. A first solenoid coil is mounted within the casing and a first magnetic solenoid stop is mounted within the first coil. A first solenoid plunger is slidably mounted within the first coil biased away from the first valve seat. A first tubular valve stem is fixably connected with the first plunger for sealably contacting the first valve seat. A second solenoid coil is mounted within the casing on a side of the first coil opposite the housing. A second magnetic stop is mounted within the second coil and a second solenoid plunger is biased away from the stop and is slidably mounted within the second coil. A second valve stem is fixably connected with the second plunger. The second valve stem has a head for sealably contacting the second valve seat.