Rotary ring spinning device provided with a ring motor

Details Rotary ring spinning device provided with a ring motor Rotary ring spinning device provided with a ring motor

1989-11-08

1991-04-23

Hail, III, Joseph J.

Textiles: spinning, twisting, and twining

Apparatus and processes

Elements

57 75, 57100, D01H 758

Patent

active

050090631

ABSTRACT:
A rotary ring spinning device in combination with a spindle, and utilized for a ring spinning machine provided with ring rail lifting mechanism, comprises a holder for rigidly mounting a rotary ring spinning device to the ring rail, a rotary ring body rotatably mounted on the holder via a bearing, and an inner motor disposed in an annular space formed between the rotary ring body and the holder coaxially thereto. The above-mentioned inner motor comprises an annular horizontal rotor made of a permanent magnet secured to an outside peripheral surface of the rotary ring body at an axially central position thereof, and a horizontal annular armature secured to an inside peripheral surface of the holder at a position facing the outside peripheral surface of the rotor, whereby the rotation speed of the inner motor can be controlled by an external electric power input, and the spinning operation can be carried out while controlling the rotation speed of the inner motor to vary the rotation speed thereof in a predetermined relationship to the spindle rotation speed.

REFERENCES:
patent: 2932152 (1960-04-01), Jackson
patent: 3543503 (1968-12-01), Watabe et al.
patent: 3785140 (1974-01-01), Muller
patent: 3851448 (1974-12-01), Sano et al.
patent: 4023342 (1977-05-01), Schenkel
Patent Abstracts of Japan, vol. 10, No. 219 (C-363) (2275); Jul. 31, 1986.
Patent Abstracts of Japan, vol. 10, No. 355 (C-388) (2411); Nov. 29, 1986.

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