Engine block heater

Details Engine block heater Engine block heater

1996-01-17

1996-12-17

Solis, Erick R.

Internal-combustion engines

With heating means

237 123C, 122136R, 122142, F02N 1702

Patent

active

055842690

ABSTRACT:
An engine block heater comprising a propane circulation heater in which engine coolant is heated in a jacket surrounding an inner chamber which is open at both ends to accommodate an industrial size portable propane torch. The jacket is inclined to the horizontal and has a coolant inlet and a coolant outlet which, in use, are connected to the engine block. When the torch is lit, coolant from the engine flows, driven by natural convection forces so that cold coolant from the engine is replaced with heated coolant.

REFERENCES:
patent: 4348992 (1982-09-01), Southard
patent: 4392609 (1983-07-01), Conterio
patent: 4397288 (1983-08-01), Kelling
patent: 4445469 (1984-05-01), Suhayda
patent: 4520769 (1985-06-01), Kratzer
patent: 4762488 (1988-08-01), Schilling
patent: 4815426 (1989-03-01), Henschel
patent: 5005542 (1991-04-01), Rissanen
patent: 5021633 (1991-06-01), Schaefer
patent: 5117556 (1992-06-01), Schaefer
TEMRO 1993 Product Catalogue, Cover page & p. 12.

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