Air flow meter for internal combustion engine

Details Air flow meter for internal combustion engine Air flow meter for internal combustion engine

1976-11-22

1977-08-23

Myracle, Jerry W.

Measuring and testing

Test stand

For engine

73228, G01F 128

Patent

active

040431886

ABSTRACT:
The air flow rate meter in the induction tube of an internal combustion engine is a pivoting sector which has axial valve elements which cooperate with similar elements in the pivotal shaft to provide fuel metering in proportion to the excursion of the air flow rate meter due to the air flow. Parasitic leakage flow of air past the side walls of the pivoting sector is reduced by providing surface features, such as raised strips or fences, bored depressions, indentations and the like which cooperate with the induction tube wall which may have similar features to induce flow impedance and prevent unwanted air flow past the meter.

REFERENCES:
patent: 335213 (1886-02-01), Brown
patent: 3974813 (1976-08-01), Knapp et al.

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