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:
May. 12, 2015
GM Global Technology Operations Llc, Detroit, MI (US);
Jason T. Davis, Williamston, MI (US);
Melvin R. Terechenok, Jr., Canton, MI (US);
Scott McLane, Farmington Hills, MI (US);
Sanjeev M. Naik, Troy, MI (US);
Kurt Alfred Wellenkotter, Beverly Hills, MI (US);
Douglas R. Verner, Sterling Heights, MI (US);
Joseph J. Moon, Beverly Hills, MI (US);
Kevin Andrew Gady, Saline, MI (US);
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Abstract
A system according to the principles of the present disclosure includes a switching period module and at least one of a valve lift control module and a start-stop control module. The switching period module determines a switching period that elapses as a valve lift actuator of an engine switches between a first valve lift position and a second valve lift position that is different than the first lift position. The switching period begins when a measured position of the valve lift actuator corresponds to the first lift position and the switching period ends when the measured position of the valve lift actuator corresponds to the second lift position. The valve lift control module controls the valve lift actuator based on the switching period. The start-stop control module determines whether to automatically stop the engine based on the switching period.