Flat slide valve with notched guide strips

Details Flat slide valve with notched guide strips Flat slide valve with notched guide strips

1985-12-09

1987-03-03

Schwadron, Martin P.

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

137237, 251327, 251329, F16K 3316, F16K 2500

Patent

active

046467777

ABSTRACT:
A guide slot for a valve plate is bounded on both sides by guide strips projecting into a flow channel of a valve housing for the plate. These guide strips contain notches at intervals. The notches of one guide strip are offset relative to the notches of the other guide strip. When the valve is open, medium entering the guide slot through the notches on the inflow side is deflected in the guide slot before it leaves the guide slot again through the offset notches on the outflow side. This generates in the guide slot a lengthwise current leading to a self-cleaning action for combatting deposits. During the valve plate closing process, a permanent self-cleaning takes place over the entire closing travel zone. For this reason, the valve is particularly well suited for use in conveyor lines for thickish, powdery, granular or solids-containing media.

REFERENCES:
patent: 2000853 (1935-05-01), Lange
patent: 2060571 (1936-11-01), Hanson
patent: 2774371 (1956-12-01), Grannenfelt
patent: 3917223 (1975-11-01), Sidler et al.
patent: 4522224 (1985-06-01), Stalder et al.
patent: 4546788 (1985-11-01), Stalder et al.

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