Burner scavenging valve

Details Burner scavenging valve Burner scavenging valve

1974-06-21

1976-10-26

Cline, William R.

Fluid handling

Self-proportioning or correlating systems

Supply and exhaust type

431121, 239111, F23D 1128, F16K 1100

Patent

active

039878104

ABSTRACT:
A valve for incorporation in a fuel line, between a pump and a fuel burner, has a valve chamber and a valve member in the chamber. The valve member normally closes a connection from the pump to the burner, but opens this connection in response to a suitably raised pump discharge pressure. Means are provided whereby, upon the shutting off of such pump discharge pressure, the valve not only closes but momentarily causes fuel to be drawn from the line to the burner, to prevent fuel from dripping out of the burner and from thereby causing smell, spillage or clogging of the burner.

REFERENCES:
patent: 2494778 (1950-01-01), Plass
patent: 2685919 (1954-08-01), Plass et al.
patent: 3339574 (1967-09-01), Erb et al.
patent: 3358928 (1967-12-01), Melendy
patent: 3606905 (1971-09-01), Fehler

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