Apparatus and method of hardening valve seats

Details Apparatus and method of hardening valve seats Apparatus and method of hardening valve seats

1984-07-06

1985-08-13

Envall, Jr., Roy N.

Electric heating

Metal heating

Of cylinders

219 1057, 219 1043, H05B 606

Patent

active

045352127

ABSTRACT:
A method and apparatus for inductively heating valve seats wherein an inductor is driven to a predetermined magnetic coupling with the valve seat under the control a range detecting transceiver unit.

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