System for surface and fluid cleaning

Details System for surface and fluid cleaning System for surface and fluid cleaning

1987-03-26

1989-04-04

Coe, Philip R.

Cleaning and liquid contact with solids

Apparatus

With plural means for supplying or applying different fluids...

422113, 422230, 422231, B08B 310

Patent

active

048176524

ABSTRACT:
A cleaning system of the apparatus utilizing the effect of surface tension forces (4) and phase changes between a liquid and gas. In one embodiment the surface (21) to be cleaned is submerged within a vessel (30), the pressure within the vessel being increased. A rapid depressurization of the vessel causes a plurality of bubbles (12) to form around undesired particulate matter (13) on the surface (14) of the article to be cleaned, the bubbles rising to the surface of the liquid (27) within the chamber, thereby cleaning the article. A second embodiment utilizes a cleaning fluid (52) which is applied to the surface of the article (49) to be cleaned. The fluid being subsequently frozen on the surface, thereby reducing the adhesion force between the surface of the article and undesired particulate matter. The surface of the article (49) is subsequently heated, and the undesired particulate matter is removed through the medium of the cleaning fluid (52).

REFERENCES:
patent: 1097099 (1914-05-01), Kalkow
patent: 1409588 (1922-03-01), Runge
patent: 1907455 (1933-05-01), Stenzel
patent: 2009278 (1935-07-01), Smidel
patent: 3166445 (1965-01-01), Enemark et al.
patent: 3410724 (1968-11-01), Kondrot
patent: 3655172 (1972-04-01), Ingels
patent: 3733710 (1973-05-01), Kearney et al.
patent: 3799179 (1974-03-01), Thomas
patent: 4226642 (1980-10-01), Baran
patent: 4266982 (1981-05-01), Bender et al.
patent: 4305413 (1981-12-01), Dougherty
patent: 4628616 (1986-12-01), Shirai et al.

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