Self-contained electric diesel engine fuel filter assembly heate

Details Self-contained electric diesel engine fuel filter assembly heate Self-contained electric diesel engine fuel filter assembly heate

1984-12-19

1986-04-29

Bartis, A.

Electric heating

Heating devices

Combined with diverse-type art device

123549, 123557, 210184, 219296, 219299, 219306, 219338, 219505, F02M 3112, F24H 110, B01D 3518, H05B 380

Patent

active

045859248

ABSTRACT:
A self-contained fuel oil heater unit for use with a diesel engine includes a fuel oil manifold having a spin-on cartridge type oil filter with a central fuel oil outlet and peripheral fuel oil inlets. The upper portion of the manifold contains an upwardly open bowl-shaped recess closed by a removable cover and defining a reservoir containing an electric immersion PTC heating element for warming the fuel oil. The unheated fuel oil flows through a horizontally disposed inlet on the lower portion of the manifold into the reservoir where it is heated and is discharged through a passage communicating with the peripheral fuel oil inlets of the filter. A further manifold passage communicates the central fuel oil outlet of the filter to a horizontally disposed outlet on the lower portion of the manifold. Alternatively the heater unit can be formed as a spacer insertable between the manifold and spin-on filter and containing a star-shaped PTC heater.

REFERENCES:
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patent: 3235084 (1966-02-01), King et al.
patent: 4091265 (1978-05-01), Richards et al.
patent: 4146475 (1979-03-01), Forsland
patent: 4321136 (1982-03-01), Matsui
patent: 4354946 (1982-10-01), Warlick et al.
patent: 4369110 (1983-01-01), Picek
patent: 4372260 (1983-02-01), Baker
patent: 4372279 (1983-02-01), Parks
patent: 4387691 (1983-06-01), Marcoux et al.
patent: 4395996 (1983-08-01), Davis
patent: 4406785 (1983-09-01), Siefer

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