Weft thread supplying device with rotary throttle valve in airje

Details Weft thread supplying device with rotary throttle valve in airje Weft thread supplying device with rotary throttle valve in airje

1991-02-14

1992-02-11

Falik, Andrew M.

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

D03D 4730

Patent

active

050868128

ABSTRACT:
A device for supplying weft threads in airjet weaving machines includes at least one nozzle connected to a compressed air source, a buffer tank, a cutoff valve placed in a funnel between the compressed air source and the nozzle, and a controlled throttling device. The throttling device is mounted downstream from the buffer tank and in the immediate surroundings of the cutoff valve, and includes the funnel, a rotary throttling element, and a motor for rotating the throttling element. The funnel is divided into an inlet funnel and an outlet funnel connected to the inlet funnel. The rotary throttling element fits within the inlet funnel and rotates to selectively block an entry to the outlet funnel according to the degree of rotation of the throttling device.

REFERENCES:
patent: 3672406 (1972-06-01), Vermeulen
patent: 4102361 (1978-07-01), Tanaka et al.
patent: 4303106 (1981-12-01), Yoshida et al.
patent: 4673005 (1987-06-01), Kawajini
patent: 4722370 (1988-02-01), Manders
patent: 4732179 (1988-03-01), Takegawa
patent: 4813460 (1989-03-01), Van Bogaert et al.

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