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:
Jan. 09, 2018
Filed:
Aug. 01, 2012
Applicant:
Ronald J. Pierik, Holly, MI (US);
Inventor:
Ronald J. Pierik, Holly, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/34 (2006.01); F01L 9/02 (2006.01); F01L 1/344 (2006.01);
U.S. Cl.
CPC ...
F01L 9/02 (2013.01); F01L 2001/34446 (2013.01); Y10T 137/0324 (2015.04);
Abstract
A system according to the principles of the present disclosure includes a valve actuator, a pump, an accumulator, and a control valve. The valve actuator actuates at least one of an intake valve and an exhaust valve of an engine. The pump supplies hydraulic fluid to the valve actuator through a supply line. The accumulator stores hydraulic fluid. The control valve is disposed between the accumulator and the valve actuator.