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:
Nov. 19, 2002
Filed:
Mar. 29, 2001
Applicant:
Inventors:
Richard A. Wade, Shelby, NC (US);
Edgar E. Roberts, Mount Holly, NC (US);
Assignee:
Fasco Controls, Inc., Shelby, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 1/306 ;
U.S. Cl.
CPC ...
F02D 1/306 ;
Abstract
An electro-hydraulic control module for deactivating and reactivating intake and exhaust valves in an internal combustion engine comprising a series of stacked plates that form hydraulic valves, manifolding for supply, control and exhaust hydraulic flow and supports electromagnetic solenoids for activating the hydraulic valves. The plate structure is economical to manufacture and is advantageously small in vertical size. A bleed circuit keeps the hydraulic system relatively free of air to achieve fast, reliable and repeatable performance.