Internal-combustion engines – Charge forming device – Heating of combustible mixture
Patent
1996-01-04
1998-04-28
McMahon, Marguerite
Internal-combustion engines
Charge forming device
Heating of combustible mixture
F02M 3100
Patent
active
057432422
ABSTRACT:
A heating device for use in the cylinder head of an internal combustion engine for heating the air/fuel mixture entering the cylinder head from the intake manifold. The heating device includes a frame or mounting member supporting an electric heating element having a plurality of resistance ribbons coupled to the mounting member by a plurality of mounting posts preferably formed by a plurality of threaded bolts. A power source may be electrically connected to one end of the heating element thereby providing an electric current which passes through the resistance ribbons. A securing arrangement, including a plurality of nuts threaded to cooperate with the threaded bolts and a plurality of conducting and insulating spacers disposable on the bolts, are provided to separate and rigidly couple the resistance ribbons to the mounting posts as a result of the compressive forces generated by the tightening of the bolts relative to the threaded nuts. The heating device allows the resistance ribbons to be connected in parallel or in series with the power source.
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McMahon Marguerite
Phillips & Temro Industries Inc.
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