Apparatus for induction heating of bearings or the like

Details Apparatus for induction heating of bearings or the like Apparatus for induction heating of bearings or the like

1992-09-23

1993-09-28

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1067, 219 1077, H05B 614

Patent

active

052488659

ABSTRACT:
An induction heater for ring-like articles such as bearings includes a hinged clamp-like magnetically inductive core of ferrite which can be opened to receive and closed to accommodate the article to be heated and which has a primary winding and a source of high frequency current derived from a switched mode power supply; and having temperature sensors and safety circuits adapted to prevent damage due to too high temperatures and to ensure proper operation for articles of differing sizes.

REFERENCES:
patent: 2836694 (1958-05-01), Emerson
patent: 3154663 (1964-10-01), Halvorsen
patent: 3187155 (1965-06-01), Beckert et al.
patent: 3435170 (1969-03-01), Smith
patent: 3895295 (1975-07-01), Mittelmann
patent: 3921092 (1975-11-01), Schatz
patent: 4013742 (1977-03-01), Lang
patent: 4032740 (1977-06-01), Mittelmann
patent: 4311896 (1982-01-01), Junya
patent: 4317975 (1982-03-01), Mizukawa et al.
patent: 4357512 (1982-11-01), Nishimoto et al.
Tudbury, "Basics of Induction Heating" vol. 1, pp. 6-8, 26, 70 & 71, John Rider Publisher, 1960.

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