Washer-sterilizer

Details Washer-sterilizer Washer-sterilizer

1988-12-27

1991-07-16

Pal, Asok

Cleaning and liquid contact with solids

Processes

Work handled in bulk or groups

134 10, 134 18, 134 30, 134 36, 134 37, 134 56R, 134 251, 134 95, 134102, 422 26, 422 33, 422295, B08B 300

Patent

active

050321862

ABSTRACT:
A method of operating a washer-sterilizer comprises the steps of: loading a chamber with items to be washed; filling the chamber to a predetermined level with a washing fluid; controllably injecting a steam or an air steam mixture into the chamber during the filling of the chamber with the washing fluid, the steam being injected in a turbulent manner to create a washing action and to begin heating the washing fluid; and continually injecting steam into the chamber after the chamber is filled to the predetermined level so as to subject the items to a washing action. After the washing phase, the chamber is drained, the items are rinsed, and the chamber is drained again. A unique piping arrangement is also disclosed.

REFERENCES:
patent: 4193818 (1980-03-01), Young et al.
patent: 4226642 (1980-10-01), Baran
patent: 4576792 (1986-03-01), Martensson
patent: 4670061 (1987-02-01), Hanlegard
patent: 4710233 (1987-12-01), Hohmann et al.

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