Internal-combustion engines – Charge forming device – Heating of combustible mixture
Patent
1982-05-17
1983-12-27
Lazarus, Ronald H.
Internal-combustion engines
Charge forming device
Heating of combustible mixture
123538, 123552, F02M 3100, F02M 2700
Patent
active
044224290
ABSTRACT:
An elongated hollow body is provided defining a first central passage extending longitudinally therethrough and first inner, second intermediate and third outer elongated annular chambers disposed about the passage, first chamber and second chamber, respectively. The body includes wall portions constructed of good heat transfer materials separating adjacent chambers and the first chamber from the passage. The passage includes opposite liquid fuel inlet and outlet ends and a plurality of small diameter passages communicate longitudinally spaced portions of the central passage with the first chamber. The second chamber includes manifold vacuum air inlet and outlet structure opening thereinto and the third chamber includes liquid engine coolant inlet and outlet structure opening thereinto. In addition, a pair of opposite side bar magnets extend along the wall portions of the body separating the first and second chambers. Heat is applied to the heater by engine coolant flowing through the third chamber, the heating capacity of the third chamber is modulated by manifold vacuum air passing through the second chamber and the first chamber surrounding the central fuel passage serves as an expansion chamber for fuel vapors and to further modulate the heating of the fuel passing through the central fuel passage by the engine coolant.
REFERENCES:
patent: 3116726 (1964-01-01), Kwartz
patent: 4003356 (1977-01-01), Naylor
patent: 4050426 (1977-09-01), Sanderson
patent: 4072138 (1978-02-01), Hawkins
patent: 4367717 (1983-01-01), Ray
Jacobson Harvey B.
Lazarus Ronald H.
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