Arrangement for connecting a position sensing transducer to a ma

Details Arrangement for connecting a position sensing transducer to a ma Arrangement for connecting a position sensing transducer to a ma

1985-12-18

1987-03-31

Cox, Ronald B.

Internal-combustion engines

High tension ignition system

Having engine component position sensor

123599, 1231465A, F02P 100

Patent

active

046534580

ABSTRACT:
The invention relates to an arrangement for enabling the connection of a position sensing transducer to a machine such that the transducer is not subjected to high temperatures or dirt. In accordance with the invention the transducer is mounted on the outside of a housing in which there is mounted a rotatable means which extends outside the housing to operate a drive means for driving auxiliary equipment. The invention is distinguished in that the position sensing transducer includes a disc fixed to the drive means, said disc co-acting in non-contacting relationship with a transducer mounted on the outside of the housing for indicating the angular positions of the disc, and in that the drive means and housing include portions concentrically disposed to form a labyrinth seal to a space which accommodates the position sensing transducer. The invention is intended for use in an Otto-type internal combustion engine to connect a transducer which senses the angular position of the engine crankshaft, thus making possible control of the engine ignition timing with great accuracy.

REFERENCES:
patent: 2537856 (1951-01-01), Raleigh
patent: 2835833 (1958-05-01), Hofmann
patent: 3867916 (1975-02-01), Bigalke
patent: 3974817 (1976-08-01), Henderson
patent: 4036190 (1977-07-01), Bigliani

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