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. 12, 1995
Filed:
Nov. 15, 1994
Applicant:
Inventor:
Lawrence L Meyer, Northville, MI (US);
Assignee:
Eaton Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
123 9012 ; 123315 ;
Abstract
A method of operating at least two exhaust valves in an engine cylinder using a four-way hydraulic actuator to open a first exhaust valve and after a time delay using a three-way hydraulic actuator to open a second exhaust valve to minimize the overall energy consumption in operating engine valves using hydraulic actuators.