Method and apparatus for inductively heating valve seats

Details Method and apparatus for inductively heating valve seats Method and apparatus for inductively heating valve seats

1975-06-19

1976-11-23

Reynolds, Bruce A.

Electric heating

Metal heating

Of cylinders

219 1043, 219 1071, H05B 500

Patent

active

RE0290467

ABSTRACT:
A method and apparatus for simultaneously heating the conical surfaces of first and second valve seats lying generally in a given plane on an engine component, which method and apparatus comprises mounting two inductors for independent reciprocal and lateral movement with respect to a common frame and biased outwardly therefrom, moving the common frame toward the plane of the valve seats until each is stopped by contacting the engine component, locking the two inductors with respect to the common frame, moving the common frame away from the valve seats to provide the necessary coupling gap, and then energizing the inductors to inductively heat the valve seats preparatory to quench hardening thereof.

REFERENCES:
patent: 2797289 (1957-06-01), Georgen

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