Method of and apparatus for controlling pumps in looms with jet

Details Method of and apparatus for controlling pumps in looms with jet Method of and apparatus for controlling pumps in looms with jet

1975-08-08

1976-08-31

Jaudon, Henry S.

Textiles: weaving

Weft manipulation

Special length

226 97, D03D 4736

Patent

active

039774430

ABSTRACT:
The pistons of all pumps in a group which supply pressure liquid to respective jet weft inserting nozzles of a loom are left, after sucking the liquid, in a rest dwell by the action of counterpressure of the sucked-in liquid. Thereafter, at the proper time the delivering space of a chosen pump is connected to its respective nozzle. The rest dwell of the piston in said pump is renewed by its following forcing-down in its suction stroke with its delivery space closed.

REFERENCES:
patent: 2936002 (1960-05-01), Opletal
patent: 3633808 (1972-01-01), Svaty
patent: 3782422 (1974-01-01), Vermeulen
patent: 3885599 (1975-05-01), Mawdsley et al.

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