Method and apparatus for pneumatically introducing fiber to a fi

Details Method and apparatus for pneumatically introducing fiber to a fi Method and apparatus for pneumatically introducing fiber to a fi

1992-04-24

1993-09-28

Crowder, Clifford D.

Textiles: fiber preparation

Working

Carding

19205, 406 14, D01G 1540, B65G 5116

Patent

active

052477223

ABSTRACT:
An apparatus for pneumatically delivering fiber tufts to a fiber processing machine includes a duct; a blower having a pressure side communicating with the duct for pneumatically driving fiber tufts therein in a stream M.sub.1 ; a branch conduit extending from the duct at a branch-off location situated downstream of the blower as viewed in a direction of flow of the stream M.sub.1 for separating a stream M.sub.3 from the stream M.sub.1, leaving a stream M.sub.2 to proceed in the duct downstream of the branch-off location; and a flow varying arrangement for changing a flow rate of the stream M.sub.3 in the branch conduit. The flow varying arrangement has a throttle mechanism situated in the branch conduit.

REFERENCES:
patent: 3580644 (1971-05-01), Ballard, Jr.
patent: 3709406 (1973-01-01), Binder et al.
patent: 4176988 (1979-12-01), Lattmann et al.
patent: 4701981 (1987-10-01), Leifeld

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