Engine cranking motor lock out system

Details Engine cranking motor lock out system Engine cranking motor lock out system

1984-02-21

1985-10-22

Shoop, Jr., William M.

Prime-mover dynamo plants

Electric control

Electric-starting motor

73 35, F02N 1108

Patent

active

045490899

ABSTRACT:
Apparatus for sensing a running condition of an internal combustion engine. A bolt which fastens an engine starter to the engine has a head which carries a piezoelectric disk. When the engine is running the head of the bolt is flexed causing flexure of the piezoelectric disk which causes a charge of voltage to be generated by the piezoelectric disk. The piezoelectric disk is connected with an electric starting motor control system which is operative to prevent energization of the starting motor when the engine is running.

REFERENCES:
patent: 3628041 (1971-12-01), Cummins et al.
patent: 4393688 (1983-07-01), Johnston et al.
patent: 4446722 (1984-05-01), Boruschewitz et al.
patent: 4483181 (1984-11-01), Maekawa et al.
patent: 4491010 (1985-01-01), Brandt et al.

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