Data processing: generic control systems or specific application – Specific application – apparatus or process – Mechanical control system
Reexamination Certificate
2005-07-19
2005-07-19
Knight, Anthony (Department: 2121)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Mechanical control system
C700S012000, C700S021000, C700S075000, C700S079000, C700S274000, C700S299000, C431S006000, C431S016000, C431S042000, C431S060000, C431S080000, C236S00100H, C236S00100H, C236S02600F
Reexamination Certificate
active
06920377
ABSTRACT:
A self-sustaining control for a heating system, having conventional operational modes and pilot burner assembly, is disclosed. A controller directs operation in accordance with a need-based protocol and monitors the condition of a storage device, which provides system power during the stand-by or off mode under normal conditions. A thermo-electric device is in thermal communication with the pilot burner assembly and powers the system whenever the pilot is lit. Regardless of heat need, the controller directs operation in a pilot-on mode, in lieu of an off mode, whenever the storage device is compromised.
REFERENCES:
patent: 4035134 (1977-07-01), Matthews
patent: 4131413 (1978-12-01), Ryno
patent: 4231732 (1980-11-01), Newport et al.
patent: 4242078 (1980-12-01), Nelson et al.
patent: 4508261 (1985-04-01), Blank
patent: 4778378 (1988-10-01), Dolnick et al.
patent: 4984981 (1991-01-01), Pottebaum
Barnes Crystal J
Honeywell International , Inc.
McDonnell Boehnen & Hulbert & Berghoff LLP
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