Carburetor for internal combustion engines, especially very smal

Details Carburetor for internal combustion engines, especially very smal Carburetor for internal combustion engines, especially very smal

1982-07-09

1984-06-19

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Pumping

261DIG68, 261DIG8, F02M 1704

Patent

active

044552661

ABSTRACT:
A carburetor for internal combustion engines, especially for very small portable engines. The carburetor has a control chamber arranged in the carburetor in the fuel supply to the intake pipe. The control chamber is connected with the intake pipe via inlet passages, the rate or quantity of flow through which can be regulated, and is connected with fuel feed supplied by a fuel pump via an inlet valve, which is biased in the closed position. The inlet valve is opened by a control membrane which delimits the control chamber. The control membrane, on that side thereof remote from the control chamber, delimits an equalizing chamber along with a closure cover fastened to the carburetor housing. The equalizing chamber is constructed as a pressure chamber which can be selectively connected via a reversing or change-over valve with either the crankcase housing of the internal combustion engine, or with the atmosphere.

REFERENCES:
patent: 3037751 (1962-06-01), Phillips
patent: 3181843 (1965-05-01), Brown et al.
patent: 3265050 (1966-08-01), Tuckey
patent: 3441010 (1969-04-01), Barr et al.
patent: 3473254 (1973-07-01), Tuckey
patent: 4159012 (1979-06-01), Pizzuto et al.

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