Rotary valve with improved sealing means

Details Rotary valve with improved sealing means Rotary valve with improved sealing means

1998-07-07

2000-05-16

Shaver, Kevin

Dispensing

With discharge assistant

Movable or conveyer-type trap chamber

222410, 414219, G01F 1110

Patent

active

060624396

ABSTRACT:
A rotary valve with a rotor shroud and a cylinder wall. The rotary valve is sealed by injecting a fluid to compress a packing seal into sealing engagement with the rotor shroud and the cylinder wall.

REFERENCES:
patent: 4600032 (1986-07-01), Heyl
patent: 4602727 (1986-07-01), Jackson
patent: 4915265 (1990-04-01), Heep et al.
patent: 4946078 (1990-08-01), Heep et al.
patent: 5014885 (1991-05-01), Heep et al.
patent: 5201441 (1993-04-01), Hoppe et al.
patent: 5368311 (1994-11-01), Heyl
patent: 5392964 (1995-02-01), Stapp et al.
patent: 5480268 (1996-01-01), Smoot
patent: 5630691 (1997-05-01), Newbolt

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