Tiltable valve for discharging foam and other media

Details Tiltable valve for discharging foam and other media Tiltable valve for discharging foam and other media

2007-01-30

2007-01-30

Look, Edward K. (Department: 3751)

Valves and valve actuation

Valve actuator is inlet or outlet

Biased valve

C222S402220

Reexamination Certificate

active

10961255

ABSTRACT:
A tiltable valve for discharging foam and other media from a pressurized vessel includes a valve disk for connection to the vessel, and a valve body having a holder opening that is placed in an opening in the valve disk and a sealing surface at a side facing away from the valve disk. The tiltable valve further includes a valve element disposed in the holder opening which has a tubular portion with a sealing flange at one end and at least one inlet opening in the wall, such that in a closed position of the valve, the sealing flange bears on the sealing surface and blocks an entry of the medium requiring discharge in the inlet opening and, in a tilted position of the valve element, the sealing flange and the sealing surface are spaced from each other while forming a gap and the medium requiring discharge is allowed to exit through the gap and the inlet opening. A blocking body is disposed in the tubular portion of the valve element and unblocks, or at least partially closes, the inlet opening in response to the pressure in the vessel, the inlet opening being increasingly unblocked when the pressure drops.

REFERENCES:
patent: 2704172 (1955-03-01), Lapin
patent: 3048307 (1962-08-01), Daniel
patent: 3731847 (1973-05-01), Webster
patent: 4426026 (1984-01-01), Knickerbocker
patent: 4824075 (1989-04-01), Holzboog
patent: 5167347 (1992-12-01), Wiegner et al.

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