Combustion – Timer – programmer – retarder or condition responsive control – Control of purger – of scavenger or of combustion start-up...
Patent
1974-12-30
1976-08-24
Dority, Jr., Carroll B.
Combustion
Timer, programmer, retarder or condition responsive control
Control of purger, of scavenger or of combustion start-up...
431 86, 13762411, 141 18, F23N 100
Patent
active
039764214
ABSTRACT:
This invention relates to oil burner installations which include a storage tank for the oil and a pump for delivering oil from the storage tank to a burner. When the storage tank is refilled with oil, sediment at the bottom of the tank is stirred up and placed in suspension. If the pump is operated while such sediment remains in suspension, the sediment may be drawn into the fuel line. Upon reaching the burner, such sediment may disable the oil burner installation by clogging the burner orifices.
By preventing the oil pump from operating for a predetermined period of time after commencing to transfer oil into the oil storage tank, sediment is allowed to settle once again to the bottom of the tank. After the predetermined interval of time has elapsed, the pump and burner are once again permitted to operate, and the system then draws sediment-free oil into the fuel line and thence to the burner.
REFERENCES:
patent: 2054041 (1936-09-01), Persons
patent: 3366551 (1968-01-01), Kaso
patent: 3867290 (1975-02-01), Mackey
Box Leonard J.
Lee Eugene T.
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