Engine preheater

Details Engine preheater Engine preheater

1986-11-04

1988-09-13

Bennett, Henry A.

Internal-combustion engines

With heating means

219202, 237 123R, F02N 1702, H05B 102

Patent

active

047701340

ABSTRACT:
An engine preheater comprising a tubular tank adapted to be mounted generally horizontally and having an inlet adjacent one end of the tank for flow of engine coolant into the tank and an outlet adjacent the opposite end of the tank for flow of heated engine coolant out of the tank. The preheater includes an electric heating element in the tank spaced from the inlet of the tank for heating engine coolant in the tank and a temperature sensor inside the tank adjacent the inlet of the tank. The sensor is so positioned relative to the inlet and the heating element that it is adapted accurately to sense the temperature of engine coolant flowing into the tank via the inlet before the incoming engine coolant is substantially heated by the heating element.

REFERENCES:
patent: 2266216 (1941-12-01), Kimberlin
patent: 3626148 (1971-12-01), Woytowich
patent: 4208570 (1980-06-01), Rynard
patent: 4245593 (1981-01-01), Stein
patent: 4249491 (1981-02-01), Stein
patent: 4591691 (1986-05-01), Badali
Kim Hotstart Mfg. Co., Inc., Bulletin CH-100 for Engine Pre-Heaters and Accessories; (pp. 3-10 and Front and Rear Covers).

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