Device for feeding Otto cycle engines with lean combustible mixt

Details Device for feeding Otto cycle engines with lean combustible mixt Device for feeding Otto cycle engines with lean combustible mixt

1978-06-06

1980-03-25

Lazarus, Ronald H.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123122A, 123122AA, 123122F, 261144, 261145, 261142, F02M 3100

Patent

active

041944763

ABSTRACT:
Lean air/fuel mixture is supplied to the induction manifold of an Otto cycle engine through a heat exchanger heated by engine exhaust gases under normal running conditions, and under idling conditions mixture is supplied to an auxiliary induction manifold solely through an auxiliary duct. The auxiliary duct is wound with an electrical resistive heating element to preheat the mixture upon cold-starting of the engine for a time, typically 30-40 seconds, determined by a timer switch.

REFERENCES:
patent: 3139874 (1964-07-01), Krein
patent: 3554174 (1971-01-01), Clawson
patent: 4151820 (1979-05-01), Furucz

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