Patent ID: 6814884
Filing Date: 2004-11-09
Classification: C09K

Abstract:
A method of transferring heat comprising the steps of absorbing heat with a working fluid in an evaporator stage; transferring the working fluid with absorbed heat to a condenser stage, and releasing heat from the working fluid in the condenser stage, wherein said working fluid consists essentially of 1,1,1,3,3-pentafluorobutane (R365mfc) and at least one further partially fluorinated hydrocarbon selected from the group consisting of 1,1,1,2-tetrafluoroethane (R134a), pentafluoroethane (R125), 1,1,1,3,3-pentafluoropropane (R245fa) and 1,1,1,2,3,3,3-heptafluoropropane (R227ea).