Apparatus and method for cooling the bearing of a godet for adva

Details Apparatus and method for cooling the bearing of a godet for adva Apparatus and method for cooling the bearing of a godet for adva

1998-11-25

2000-08-29

Leung, Philip H.

Electric heating

Inductive heating

With heat exchange

219632, 219469, 242 18AA, 384900, H05B 614

Patent

active

061112356

ABSTRACT:
In a godet for advancing and guiding an advancing synthetic filament yarn, the bearing housing for supporting a shaft consists of an inner bearing support and an outer cooling body, which are in a heat conducting contact with each other. Cooling of a bearing within the bearing support is enhanced because the material of the cooling body has a coefficient of thermal conduction which is greater than the coefficient of thermal conduction of the bearing support material. In a heated godet, a cup-shaped godet casing fits over the end of the shaft, and a stationary hollow cylindrical support is fit over the shaft within the godet casing. An annular space is defined between the support and the shaft, and a heating element is mounted to the circumference of the support. The bearing housing at least partially defines openings that provide cooling air to the annular space.

REFERENCES:
patent: 3601968 (1971-08-01), Wirz
patent: 4005302 (1977-01-01), Graf et al.
patent: 4822972 (1989-04-01), Sugioka et al.
patent: 5324905 (1994-06-01), Arnosti et al.

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