Pipe switch for plants for pneumatically conveying bulk material

Details Pipe switch for plants for pneumatically conveying bulk material Pipe switch for plants for pneumatically conveying bulk material

1989-05-17

1990-08-28

Peters, Jr., Joseph F.

Conveyors: fluid current

Load flow diverter, divider, or combiner

Movable conduit section

137874, 137876, B65G 5356

Patent

active

049521004

ABSTRACT:
A pipe switch for plants for pneumatically conveying of bulk material includes a housing with three ports and having a rotatable cock for selectively connecting one port with the second or third port. The cock is provided with two pipe sections which define two flow paths and are connected at their ends via suitable ring segments. One of the ring segments is of sufficient dimension to sealingly bar the one port which is not in communication with the first port when the cock is in the respective end position. A journal connects the pipe sections at a central location thereof and is rotatably supported in side cover plates of the housing for allowing a rotation of the cock between the two end positions.

REFERENCES:
patent: 406447 (1889-07-01), Kennedy, Jr.
patent: 1951434 (1934-03-01), Needham
patent: 2690931 (1954-10-01), Baresch
patent: 4063572 (1977-12-01), Anderegg et al.
patent: 4264244 (1981-04-01), Steele

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