Electric heating – Inductive heating – Specific heating application
Patent
1993-12-27
1995-09-19
Leung, Philip H.
Electric heating
Inductive heating
Specific heating application
219673, 219677, 219676, 148572, 266129, H05B 614, H05B 642
Patent
active
054517494
ABSTRACT:
An inductor for inductively heating bearing surfaces of a crankshaft is machined from a block of copper to provide parallel, closely spaced and integrally joined inductor block portions having machined coolant passages therein. The machined inductor is rigidly supported between juxtaposed side plates having portions of the inner surfaces thereof machined to provide recesses which receive the inductor and in which the inductor is clampingly engaged between the plates. Positioning fingers are supported by the side plates to accurately position the active face of the inductor relative to a bearing surface to be heated, and tubular leads extend upwardly between the side plates for connecting the inductor across a source of power. An inlet conduit for coolant extends laterally between the side plates, and the tubular leads provide outlets for coolant flow from the inductor.
REFERENCES:
patent: 2743345 (1956-04-01), Sgulen et al.
patent: 3188440 (1965-06-01), Wokas
patent: 3210510 (1965-10-01), Cary
patent: 3554514 (1971-01-01), Preyer
patent: 3619540 (1971-11-01), Soworowski
patent: 4456803 (1984-06-01), Kaneda et al.
patent: 4535211 (1985-08-01), Carter
Dunn Jerry R.
Griebel Arthur H.
West William D.
Leung Philip H.
Tocco, Inc.
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