Carburetors for internal combustion engines

Details Carburetors for internal combustion engines Carburetors for internal combustion engines

1977-12-16

1980-03-04

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123139AV, 261DIG67, 60285, F02M 700, F02M 706

Patent

active

041911490

ABSTRACT:
A carburetor has a float chamber and a device for adjusting the gaseous pressure in the float chamber. The device comprises a pressure source and a probe contacting the exhaust gas and delivering a signal which is a function of the exhaust gas composition. The device has an airflow pipe connecting the source to atmosphere, a throttle for impressing a head loss to the flow and controlled by the probe and a venturi located in the pipe and connected to the float chamber for giving a pressure which may be out of the range between the source pressure and atmospheric pressure.

REFERENCES:
patent: 4007719 (1977-02-01), Brettschneider et al.
patent: 4034730 (1977-07-01), Ayres et al.
patent: 4039638 (1977-08-01), Hill
patent: 4089311 (1978-05-01), Brettschneider et al.

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