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U.S. Department of Energy
Office of Scientific and Technical Information

Burner control device, system and method of making the same

Patent ·
OSTI ID:5019434
In a control system supplying fuel to a main burner means from a source of the fuel, the system is described comprising a fuel line means leading from the source to the main burner means. The fuel line means has a branch means being interconnected to a pilot burner means for the main burner means, and first and second control valve means disposed in series in the line means to connect the source to the main burner means only when both of the control valve means are in an open condition thereof the control valve means comprising a movable valve member resiliently biased closed and an independent electromagnetic valve member latching means energizable to hold its respective valve member open and deenergizable to allow its respective valve member to close. The control valve means has movable means to open its respective valve member to a latching position so as to be held open by its respective the latching means when its respective the latching means is energized. The improvement is described means are operatively interconnected to the source control valve means so that the control valve means are adapted to interconnect the source to the branch means only when both of the control valve means are in an open condition thereof.
Assignee:
Robertshaw Controls Co., Richmond, VA
Patent Number(s):
US 4728283
OSTI ID:
5019434
Country of Publication:
United States
Language:
English