Patent · US Active

Refrigerant recovery method and apparatus

US8225618B2 · kind B2 · utility

2Cited by

5References

17Claims

0Family size

Inventors

David Boyd · San Francisco, US
Max E. Massac · Miami, US
Charles R. Shambaugh · Kendall, US

Key dates

Filing date	Nov 21, 2005
Grant date	Jul 24, 2012
Priority date	—
Expiry date	Oct 18, 2028

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF25B2345/005
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A method and apparatus for recovering fluids in various states from a system includes a motor that is configured to engage a compressor in a first direction and engage a compressor in a second direction depending on the fluids contained therein.

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