Method for testing a carburetor

Details Method for testing a carburetor Method for testing a carburetor

1982-08-25

1984-06-19

Myracle, Jerry W.

Measuring and testing

Simulating operating condition

Marine

G01M 1500

Patent

active

044547552

ABSTRACT:
Carburetors are tested using a flow-testing bench which includes a first and second critical flowthrough nozzle arrangement, arranged upstream and downstream, respectively, of the carburetor, and a third critical flowthrough nozzle arrangement which by-passes the carburetor intake pipe. The first and third nozzles are adjustable in cross-section, and are used to regulate the carburetor air throughput and the pressure downstream of the carburetor. These parameters, along with the carburetor throttle valve position, are varied to simulate various operating flow conditions of the carburetor. The fuel delivery rate is measured, and the fuel-to-air ratio determined, for such operating conditions to assure proper functioning of the carburetor. The method permits dynamic measurements to be made on a carburetor being tested.

REFERENCES:
patent: 3646600 (1972-02-01), Bier et al.
patent: 4041777 (1977-08-01), Leunig et al.

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