The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 14, 1981
Filed:
Nov. 27, 1979
Applicant:
Inventors:
Christopher Stevens, Harlow, Essex, GB;
John B Stevens, Harlow, Essex, GB;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; F25B / ;
U.S. Cl.
CPC ...
202206 ; 202235 ; 6219 / ; 203-2 ; 203100 ; 203D / ;
Abstract
Apparatus for purifying liquid including a container for the liquid, means for heating the liquid when in the container to vaporize the liquid, means for cooling the vapor to form a condensate and a collector for collecting the condensate, the heating means comprising a condenser of a refrigerant circulatory systems and the cooling means comprising an evaporator of the system so that refrigerant liquified in the condenser gives off heat to heat the said liquid and evaporation of the liquid in the evaporator causes heat to be absorbed from the vapor thereby cooling the vapor to for the condensate.