Microcomputer-based spark ignition gas burner control system

Details Microcomputer-based spark ignition gas burner control system Microcomputer-based spark ignition gas burner control system

1987-07-10

1989-05-02

Lastova, John R.

Boots, shoes, and leggings

364434, 371 4, 371 12, G06F 1520

Patent

active

048273970

ABSTRACT:
A microcomputer-based spark ignition gas burner control system includes program logic to ensure compatibility of spark ignition and a microcomputer. The program logic provides for periodically re-defining the I/O (input/output) ports so as to negate the adverse effect of any electrical noise generated in the system. The program logic also provides, during ignition, a cyclically re-occurring finite time period during which sparking occurs followed by a finite time period during which flame detect circuit means is enabled. The system further includes a fault-tolerant spark generating circuit to ensure that sparking is inhibited during times that the combustion chamber is being purged of any combustible mixture.

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"Microprocessors and Programmed Logic," K. Short, .COPYRGT.1981 Prentice Hall, Inc., pp. 274-278.
IBM Tech. Bulletin, "Computer Error Anticipator and Cycle Extender," Hartlipp et al., vol. 11, No. 2, 7/68 p. 212.

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