Patent · US Expired

Filter and cooling apparatus for dry-cleaning systems

US4292174A · kind A · utility

6Cited by
2References
4Claims
0Family size

Inventors

Key dates

Filing dateJun 2, 1980
Grant dateSep 29, 1981
Priority date
Expiry dateJun 2, 2000

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06F43/085
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An improved combination filter-and-cooling apparatus incorporated within a dry-cleaning operation, wherein the cleaning fluid or solvent is filtered and cooled within substantially closed flow systems, the apparatus being defined by a dual-chambered housing having a water-cooling chamber and a filter chamber, the filter chamber being adapted to receive at least one filter through which the solvent passes before returning to the clothes-cleaning device, and the water-cooling chamber being defined by an annular water jacket which is provided with a continuous flow of water therethrough.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.