Diesel fuel heater and combined filter-heater assembly

Details Diesel fuel heater and combined filter-heater assembly Diesel fuel heater and combined filter-heater assembly

1983-04-29

1984-10-30

Lazarus, Ronald H.

Internal-combustion engines

Charge forming device

Heating of combustible mixture

123549, 210186, F02M 3100

Patent

active

044794770

ABSTRACT:
A diesel fuel heater which is readily adapted for serving as a retrofit to existing diesel filter components, e.g., such as utilized in some existing automobile diesel engines. The heater includes a cylindrical plastic housing, and a flat annular conductive mounting plate located within the housing and containing thereon a plurality of positive temperature coefficient (PTC) thermistors designed for contacting diesel fuel passing through the housing and for heating same. A contact spring means is utilized to provide electrical current to each of the thermistors, said contact spring means electrically coupled to an electrical terminal which projects from the insulative housing and is designed for being connected to a suitable power source. An adapter is utilized to interconnect the housing of the diesel fuel filter component with a disposable filter typically utilized with such a housing to maintain both of these members in a spaced-apart relationship. The heater's housing may thus be readily positioned between and in contact with both members to heat diesel fuel passing therethrough.

REFERENCES:
patent: 4091265 (1978-05-01), Richards
patent: 4092963 (1978-06-01), Vrooman
patent: 4177778 (1979-12-01), Naitou
patent: 4227969 (1980-10-01), Engel
patent: 4279234 (1981-07-01), Marcoux
patent: 4354946 (1982-10-01), Warlich
patent: 4387691 (1983-06-01), Marcoux
patent: 4395996 (1983-08-01), Davis
patent: 4406788 (1983-09-01), Siefer

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