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:
Apr. 27, 2004
Filed:
Oct. 15, 2001
Gary M. Bowman, Loveland, CO (US);
Wade A. Burdick, Windsor, CO (US);
Woodward Governor Company, Fort Collins, CO (US);
Abstract
A compact fuel control valve is presented where a hydraulic manifold is used as both a valve bonnet and an actuator seat for the valve actuator. The valve body has a fuel inlet, a fuel outlet and a metering plug opening. A metering plug guide mounted within the metering plug opening and attached to the hydraulic manifold forms a thermal barrier between the valve body and the hydraulic manifold to protect lower temperature components from high temperature gaseous fluids. A valve metering plug is directly coupled to the valve actuator piston. The hydraulic manifold maintains barriers between the hydraulics and the gaseous fuel with redundant seals and leakage paths. An intermediate vent within the hydraulic manifold routed to atmosphere further maintains physical separation of the gas and hydraulic system.