Fuel level indicator

Details Fuel level indicator Fuel level indicator

1980-04-25

1982-07-20

Yuen, Henry C.

Furnaces

With control means responsive to a sensed condition

Feed control

110117, 110248, 110255, 110259, 110101CC, F23N 518

Patent

active

043399983

ABSTRACT:
The present invention relates to a fuel level indicator for a heating unit, such as a stove or furnace. In particular, the invention relates to an indicator for a wood burning heating unit with a grate which is slightly elevated when there is insufficient wood causing an electrical signal which may be used with a light or buzzer to indicate the need for fuel or with a conveyor automatically to feed fuel into the heating unit.

REFERENCES:
patent: 742198 (1903-10-01), Jasten
patent: 1335265 (1920-03-01), Zamernik
patent: 1769880 (1930-07-01), Howle
patent: 2058945 (1936-10-01), Barnett
patent: 2333426 (1943-11-01), Jolly
patent: 2400141 (1946-05-01), Shaffer
patent: 2524868 (1950-10-01), Worsham
patent: 3159290 (1964-12-01), Hesse
patent: 3332673 (1967-07-01), McKie
patent: 3785304 (1974-01-01), Stookey
patent: 3888231 (1975-06-01), Galluzzo
patent: 3921545 (1975-11-01), Ruegsegger
patent: 4201141 (1980-05-01), Teodorescu et al.

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