Valve arrangement for a sterilization container

Details Valve arrangement for a sterilization container Valve arrangement for a sterilization container

1992-04-03

1994-10-04

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

Control element responds proportionally to a variable signal...

236 48R, 422103, 422114, 422295, G05D 1606

Patent

active

053524160

ABSTRACT:
The valve arrangement for a sterilization container having a pressure chamber with vent openings, includes two valve bodies arranged in the pressure chamber above the vent openings. The valve bodies are controlled by temperature sensors. The temperature sensors employ snap-discs which are disposed above each other in the valve bodies. The temperature sensors of each valve are adjusted to different upper and lower snap temperatures. At least one of the vent openings remains open, with both of the valves closing the vent openings only at a predetermined point during the venting phase of sterilization. A condensation discharge valve can be disposed at an outlet in the lowest point of the bottom of the container. The discharge valve includes a valve body which opens and closes the outlet. The valve body is normally in the open position and is controlled by a temperature sensor also in the form of a snap-disc. The container can include a condensate collection container disposed on the bottom thereof. The condensate collection container has a funnel-shaped top on which a perforated instrument dish can be placed. A condensate inlet valve is arranged at the lowest point on the side of the collection container.

REFERENCES:
patent: 3980131 (1976-09-01), Perle et al.
patent: 4303195 (1981-12-01), Hashimoto et al.
patent: 4386732 (1983-06-01), Satomoto
patent: 4580719 (1986-04-01), Long, Jr.
patent: 4687635 (1987-08-01), Kaehler et al.
patent: 4948566 (1990-08-01), Gabele et al.
patent: 5110559 (1992-05-01), Kondo et al.

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