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:
Mar. 25, 2014
Filed:
Feb. 01, 2011
Leonid Basin, Farmington Hills, MI (US);
Fredrick R. Poskie, Plymouth, MI (US);
Nieyuan Hai, Ann Arbor, MI (US);
Carlos E. Marin, Oxford, MI (US);
Leonid Basin, Farmington Hills, MI (US);
Fredrick R. Poskie, Plymouth, MI (US);
Nieyuan Hai, Ann Arbor, MI (US);
Carlos E. Marin, Oxford, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
An accumulator includes a canister, a piston, a sleeve, and a solenoid control valve assembly. The canister has an inner surface that defines an interior volume. The piston is slidably disposed within the interior volume of the canister. The piston is located between the inner surface of the canister and an outer surface of the sleeve. The piston divides the interior space into a fluid filled chamber and an air filled chamber. A fluid pathway is created by an outer surface of the sleeve and the inner surface of the canister. The fluid pathway allows fluid from an exterior source to either enter or exit the fluid chamber. The solenoid control valve assembly includes a valve body, a valve biasing member, and a plunger that is slidable within a recess of the valve body.