Thomas A Jarvis

US Patent:

49090500, Mar 20, 1990

Filed:

Mar 1, 1988

Appl. No.:

7/162454

Inventors:

Bruce R. Sewter - Browns Mills NJ
Thomas A. Jarvis - Medford NJ
Matthew A. Kirchner - Medford NJ
Anthony J. Prisco - Cinnaminson NJ
Arthur M. Bonneau - Bethel Park PA
Keith E. Trendler - Collingswood PA
William E. Briggs - Delran NJ
Larry E. Godfrey - Medford NJ

Assignee:

Westinghouse Electric Corp. - Pittsburgh PA

International Classification:

D06F 4308

US Classification:

68 18R

Abstract:

Both an apparatus and method for water washing garments and removing radioactive contaminates therefrom without the generation of liquid effluents is disclosed herein. The apparatus comprises a washing machine unit having a wash water inlet, a rinse water inlet and an outlet conduit, and a hydraulically closed wash water system. The wash water system in turn includes a reservoir of filtered and demineralized water connected to the wash water inlet, a particulate filter unit connected to the outlet conduit for removing particulate impurities from the wash water discharged through the conduit, and a water polisher connected between the particulate filtration unit and the reservoir for supplying the reservoir with filtered and demineralized and chemically purified water. To conserve surfactants and suspension agents added to the wash water in the washing machine unit, the wash water system further includes a diverter conduit connected between the filtration unit and the wash water inlet of the washing machine unit. The apparatus further has a hydraulically closed rinse water system which likewise includes a particulate filtration unit, as well as a water polisher.

US Patent:

49699261, Nov 13, 1990

Filed:

Sep 25, 1989

Appl. No.:

7/412110

Inventors:

Bruce R. Sewter - Browns Mills NJ
Thomas A. Jarvis - Medford NJ
Matthew A. Kirchner - Medford NJ
Anthony J. Prisco - Cinnaminson NJ
Arthur M. Bonneau - Bethel Park PA
Keith E. Trendler - Collingswood PA
William E. Briggs - Delran NJ
Larry E. Godfrey - Medford NJ

Assignee:

Westinghouse Electric Corp. - Pittsburgh PA

International Classification:

D06F 4308

US Classification:

8158

Abstract:

Both an apparatus and method for water washing garments and removing radioactive contaminates therefrom without the generation of liquid effluents is disclosed herein. The apparatus comprises a washing machine unit having a wash water inlet, a rinse water inlet and an outlet conduit, and a hydraulically closed wash water system. The was water system in turn includes a reservoir of filtered and demineralized water connected to the wash water inlet, a particulate filter unit connected to the outlet conduit for removing particulate impurities from the wash water discharged through the conduit, and a water polisher connected between the particulate filtration unit and the reservoir for supplying the reservoir with filtered and demineralized and chemically purified water. To conserve surfactants and suspension agents added to the wash water in the washing machine unit, the wash water system further includes a diverter conduit connected between the filtration unit and the wash water inlet of the washing machine unit. The apparatus further has a hydraulically closed rinse water system which likewise includes a particulate filtration unit, as well as a water polisher.