Fluid handling – Processes – Cleaning – repairing – or assembling
Patent
1983-03-30
1985-11-12
Walton, George L.
Fluid handling
Processes
Cleaning, repairing, or assembling
137240, 137312, 13761417, 13761418, 1376372, 134166C, B08B 302, B08B 902
Patent
active
045521670
ABSTRACT:
A double seat valve, preferably a multi-way valve having two valve disks movable independently one against the other and against the valve seats, defines an annular space between the two valve disks which is connected to the outer atmosphere by a discharge conduit. According to the invention, at least three nozzles project axially in the discharging conduit to eject jets of cleaning liquid along the inner wall of the conduit, then the jets are bent radially outwardly along the lower surface of the upper valve disk, spread into circular segments which mix together along the boundary lines and then the mixed cleaning liquid is returned along the inner surface of the lower valve disk and discharged through the opposite wall of the discharge conduit.
REFERENCES:
patent: 2305724 (1942-12-01), Luetzelschwab
patent: 3133554 (1964-05-01), Joebken
patent: 4304251 (1981-12-01), Schadel et al.
patent: 4360039 (1982-11-01), Jeppsson
patent: 4368753 (1983-01-01), Brakelmann
patent: 4373545 (1983-02-01), Knappe
patent: 4436106 (1984-03-01), Tuchenhagen et al.
Holstein & Kappert GmbH
Striker Michael J.
Walton George L.
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