Hollow shaft bore heater assembly

Details Hollow shaft bore heater assembly Hollow shaft bore heater assembly

1977-12-05

1980-04-29

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219535, 219536, 290 2, 338316, 415121A, H05B 1102

Patent

active

042007844

ABSTRACT:
A hollow, rotatable shaft bore heater assembly for heating a shaft from its inside to its outside. Rapid rotatable shaft heating is provided by a plurality of electrical heaters situated in slots formed on the inner surfaces of a plurality of foundation members which are insertable in the hollow shaft and are biased thereagainst by biasing structure. When assembled, the foundation members constitute a substantially cylindrical structure which has the slots formed on its inner surface and the electrical heaters are restrained within those axially extending and circumferentially separated slots by insulation disposed on the inner surface of the foundation members across the slots open mouths. The biasing structure provides biasing force between circumferentially adjacent foundation members so as to maintain contact between the shaft and foundation members during non-rotation of the shaft.

REFERENCES:
patent: 1811383 (1931-06-01), Brown
patent: 2004777 (1935-06-01), Bassler
patent: 2874257 (1959-02-01), Kuhn et al.
patent: 2875312 (1959-02-01), Norton
patent: 3151633 (1964-10-01), Shuman
patent: 3484581 (1969-12-01), Bliss
patent: 3720808 (1973-03-01), Morrissey
patent: 3997758 (1976-12-01), Patil

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