Fluid handling – Processes
Patent
1989-03-09
1991-02-26
Hepperle, Stephen M.
Fluid handling
Processes
122507, 137 65, 137 66, 137 785, F16K 1736, F22B 3746
Patent
active
049954156
ABSTRACT:
Gas burner safety device for use with gas fired heating systems and water heaters to shut-off main gas valve controlled gas flow to the burner's main gas jet in the event that the main jet becomes partially submerged to at least a critical level in surrounding floodwater and unable to function normally, although the burner's pilot light remains lit and unimpeded resulting in generation of a erroneous thermocouple safety interlock signal for the main gas valve. The device prevents any massive injection of gas into the surrounding floodwater as gas bubbles which can float about and uncontrollably ignite, or release of gas into the circumjacent environment, thereby preventing an otherwise very dangerous situation where fire or explosion may occur which might result in extensive property damage, as well as personal injury or death.
REFERENCES:
patent: 2192858 (1940-03-01), Peterson
patent: 2592863 (1952-04-01), Conner
patent: 2841170 (1958-07-01), Kalsey
patent: 3473553 (1969-10-01), Collins
patent: 3801064 (1974-04-01), Harris
patent: 4572113 (1986-02-01), Baughman
patent: 4796658 (1989-01-01), Caple
patent: 4805662 (1989-02-01), Moody
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