Spinning apparatus

Details Spinning apparatus Spinning apparatus

1988-12-08

1990-04-24

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Driving

57 74, 57 93, 57 95, D01H 766, D01H 750

Patent

active

049189115

ABSTRACT:
A spinning machine has an electric motor for rotating a bobbin-supporting spindle to build a package of yarn thereon and a funnel for guiding yarn onto the spindle. The spindle is rotatingly driven by an electric motor and the electric motors of the spindle and the funnel are commonly connected to a frequency control means which is, in turn, connected to an electrical power supply means. The torque of the funnel electric motor is a function of a characteristic of the funnel in accordance with the relationship that the funnel is rotated by its electric motor at a lower rate relative to the contemporaneous rate of rotation of the spindle. The apparatus can include a switch assembly selectively movable between leads for selectively connecting the funnel electric motor to the frequency control apparatus to operate the motor or to the electrical power supply means to brake the motor.

REFERENCES:
patent: 2833111 (1958-05-01), Hadlich
patent: 3785140 (1974-01-01), Muller
patent: 4437300 (1984-03-01), Vignon
patent: 4592196 (1986-06-01), Wolf

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