Auxiliary apparatus for hot-starting internal combustion engine

Details Auxiliary apparatus for hot-starting internal combustion engine Auxiliary apparatus for hot-starting internal combustion engine

1975-06-11

1977-08-23

Dority, Jr., Carroll B.

Internal-combustion engines

Starting device

For airplane

123119D, 123124R, F02N 1700

Patent

active

040433102

ABSTRACT:
Auxiliary apparatus for hot-starting an internal combustion engine includes a secondary air injection nozzle opened in the intake manifold, and a heat sensitive solenoid valve to control the supply of secondary air from an air source to the nozzle. When hot-starting the engine with the engine temperature exceeding a predetermined level, the valve opens to supply a jet of air into the intake manifold through the nozzle so that a too rich mixture gas likely to be produced in the manifold is made leaner, thus reducing the output of unburned, harmful ingredients of exhaust gas from the engine as well as improving the startability of a hot engine.

REFERENCES:
patent: 2230184 (1941-01-01), Horton
patent: 3043286 (1962-07-01), Blomberg
patent: 3534720 (1970-10-01), DuBois
patent: 3577966 (1971-05-01), Collingwood
patent: 3641767 (1972-02-01), Kraus et al.
patent: 3866588 (1975-02-01), Nakada et al.

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