High frequency induction heating method for rocker arms

Details High frequency induction heating method for rocker arms High frequency induction heating method for rocker arms

1995-05-04

1996-06-18

Leung, Philip H.

Electric heating

Inductive heating

Metal working

219639, 219632, 219656, 148572, 148574, H05B 614

Patent

active

055280196

ABSTRACT:
Disclosed is a high-frequency heating apparatus including an elongated chamber in which a plurality of rocker arms are introduced, each of the rocker arms being attached with a chip and brazing filler such as a copper wax, a high-frequency brazing coil for high-frequency heating a designated part of each rocker arm in the chamber to braze the chip to the rocker arm, a high-frequency temperature-holding coil for holding the temperature of the rocker arm constant, and a nitrogen gas supplying device for keeping the chamber filled with a nitrogenous atmosphere during the high-frequency heating.

REFERENCES:
patent: 2673276 (1954-03-01), Allardt
patent: 3715556 (1973-02-01), Balzer et al.
patent: 3806690 (1974-04-01), Frungel
patent: 4319707 (1982-03-01), Knemeyer
patent: 4745252 (1988-05-01), Roth et al.
patent: 4902358 (1990-02-01), Napier et al.
patent: 4969957 (1990-11-01), Ohsaki et al.
patent: 5158227 (1992-10-01), Esson

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