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:
Apr. 24, 2001
Filed:
Jun. 11, 1999
Applicant:
Inventor:
Dan Sarin, Helsinki, FI;
Assignee:
ABB Installaatiot Oy, , FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 5/00 ;
U.S. Cl.
CPC ...
C09K 5/00 ;
Abstract
The invention relates to a heat transfer liquid for ventilation and air-conditioning installations to be used at low temperatures, in which installations heat is recovered from the exhaust air and conveyed to the supply air by means of a heat transfer liquid. For lowering the costs and eliminating environmental risks, the heat transfer liquid contains potassium formiate and water.