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Device-for-detecting-the-opening-of-throttle-valve-of-diesel-engine-for-vehicle

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Device for detecting the opening of throttle valve of diesel engine for vehicle

Details

Inventors: Minami, Teruo;
Assignee: Kabushiki Kaisha Komatsu Seisakusho (Tokyo, JA)
Primary Examiner: Miller, Jr.; Stanley D.
Assistant Examiner:
Attorney, Agent or Firm: Armstrong, Nikaido & Wegner

A device for detecting the opening of a throttle valve of a diesel engine for vehicles. The device comprises a magnetic shield adapted to be rotated responsive to the opening of the throttle valve, a magnet adapted to be inserted into the magnetic shield, a plurality of reed switches embedded in the housing, and a plurality of flip-flop circuits adapted to be set or reset for producing a gate signal to be fed to a gate circuit.

DETAILED DESCRIPTION It is an object of the present invention to provide a device for detecting the opening of the throttle valve in a diesel engine powered vehicle which has a simplified control circuit.
The present invention has for its object to employ reed switches having improved endurance as detecting switches, to move a magnetic shield, and to use pulse signals to eliminate an AC converter, thereby enabling the output of a comparator and gate to be detected directly to simplify the construction of the control circuit.

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