Tank type engine heater

Details Tank type engine heater Tank type engine heater

1975-03-31

1976-09-07

Bartis, A.

Electric heating

Heating devices

Combined with diverse-type art device

1231425E, 219306, 219318, 219336, 219536, H05B 382, F02N 1706, F24H 110

Patent

active

039795748

ABSTRACT:
An electric tank heater for heating the engine coolant system of an automotive vehicle comprises a tubular tank shell having an open end in which is secured an annulus having a U-shaped wall. The outer leg of the annulus is circumferentially secured and sealed the shell. The inner leg extends inwardly through the end of the shell and is spaced from the inner surface thereof. A removable closure plug member from which an electric immersion heating element depends for projection into the shell is inserted into the annulus and seals against the inner leg thereof with an O-ring seal. The closure plug member is retained in place by a yoke engaging the edge of inner leg.

REFERENCES:
patent: 1875306 (1932-08-01), Williams
patent: 2367197 (1945-01-01), Caldwell
patent: 2400838 (1946-05-01), Olson
patent: 2408403 (1946-10-01), Babson et al.
patent: 3209123 (1965-09-01), Windsor
patent: 3646314 (1972-02-01), Windsor
patent: 3766356 (1973-10-01), Feldmann

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