Throttle valve position sensor

Details Throttle valve position sensor Throttle valve position sensor

1989-12-29

1991-02-05

Raevis, Robert

Measuring and testing

Simulating operating condition

Marine

G01M 1500

Patent

active

049894510

ABSTRACT:
A throttle valve sensor having at least two switches for detecting different positions of a throttle valve. The setting of the switching conditions of the switches is such that these switches can not be made OFF simultaneously, over the entire range of the degree of opening of the throttle valve. A detachment of a connector connecting the sensor to a control circuit causes the corresponding port voltage level to be that obtained when all of the switches are made OFF, and as a result, a quick and positive detection of a detachment of the connector can be obtained.

REFERENCES:
patent: 3206667 (1965-09-01), Haase
patent: 3891279 (1975-06-01), Frait
patent: 4668944 (1987-05-01), Teass, Jr.
patent: 4715220 (1987-12-01), Eitoku et al.
patent: 4866981 (1989-09-01), Matsumoto et al.

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