Carburetors for internal combustion engines

Details Carburetors for internal combustion engines Carburetors for internal combustion engines

1980-05-02

1981-11-03

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Pumping

261121A, F02M 712

Patent

active

042985480

ABSTRACT:
In a carburetor the fuel jet system opening into the intake pipe of the engine comprises an emulsion well supplied with air and fuel and a device for correcting the fuel/air ratio of the mixture supplied to the engine as a function of the amplitude of the alternating pressure variations caused by the suction of the engine in the intake pipe. The correcting device comprises a movable wall defining a chamber which communicates with the emulsion well and to which the alternating pressure variations are applied through an attenuator. The device adjusts the depression in the emulsion well for increasing or reducing the amplitude of the alternating component of the pressure which is communicated thereto from the opening of the fuel jet system according as to whether the acoustic matching of the carburetor-engine manifold assembly tends to produce an excessive or insufficient fuel/air ratio under high load.

REFERENCES:
patent: 3738336 (1973-06-01), Holland
patent: 3810606 (1974-05-01), Masaki
patent: 4020859 (1977-05-01), Malphettes et al.
patent: 4092380 (1978-05-01), Pierlot et al.
patent: 4099492 (1978-07-01), Asaka

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