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:
Feb. 03, 1987
Filed:
Aug. 20, 1985
Jay R Katchka, Cypress, CA (US);
George A Yeaman, Lakewood, CA (US);
Richard W McKinney, Lakewood, CA (US);
Robertshaw Controls Company, Richmond, VA (US);
Abstract
A control device for supplying fuel to a burner means, a system therefor and methods of making the same are provided, the device comprising a housing having an inlet for being interconnected to a source of fuel and having an outlet for being interconnected to the burner, first and second control valves carried by the housing and being in series to connect the inlet to the outlet only when both of the control valves are in an open condition thereof, each control valve comprising a movable valve member resiliently biased closed and an independent electromagnetic valve member latching unit energizable to hold its respective valve member open and deenergizable to allow its respective valve member to close, each control valve having a movable member to open its respective valve member to a latching position so as to be held open by its respective latching unit when its respective latching unit is energized, and a single manually movable actuator carried by the housing and having structure operatively interconnecting the movable members together so that the valve members will move substantially in unison to their latching positions as the actuator is being moved to an actuated position thereof.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile