Apparatus for detecting throttle valve opening of engine

Details Apparatus for detecting throttle valve opening of engine Apparatus for detecting throttle valve opening of engine

1989-05-31

1990-10-09

Raevis, Robert R.

Measuring and testing

Simulating operating condition

Marine

G01M 1900

Patent

active

049613421

ABSTRACT:
An apparatus for detecting the opening of the throttle valve of an internal combustion engine. The apparatus comprises a throttle body constituting a portion of a suction passage, a valve shaft held to the throttle body, a throttle valve for controlling the flow of air inside the suction passage, and a sensor fixed to the throttle body. The sensor has a driving shaft one end of which is disposed outside the case of the sensor. A U-shaped engaging member having two legs is fixed to this one end of the driving shaft. A disklike engaging member having two grooves is fixed to one end of the valve shaft. The two legs are fitted in the two grooves.

REFERENCES:
patent: 2439479 (1948-04-01), Mackmann
patent: 2720765 (1955-10-01), Drexler
patent: 4392375 (1983-07-01), Eguchi et al.
patent: 4547177 (1985-10-01), Ueno
patent: 4688420 (1987-08-01), Minagawa

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