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:
Nov. 04, 1986
Filed:
Sep. 25, 1985
Applicant:
Inventors:
Harold H Hopkinson, Manlius, NY (US);
Eiichi Iiyama, Niiza, JP;
Assignee:
Carrier Corporation, Syracuse, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B / ;
U.S. Cl.
CPC ...
62 77 ; 62160 ; 62298 ; 623246 ; 62525 ;
Abstract
In a multizone heat pump system, individual expansion devices are provided in each of the individual refrigerant flow lines coming from the fan coils such that during the heat cycle, expansion of the refrigerant occurs in the individual expansion devices placed in the individual refrigerant flow lines rather than in a common line leading to the outdoor coil, thus preventing backup of refrigerant in any lower elevational coil(s). The expansion devices are individually sized in proportion to the relative sizes of the associated fan coils to prevent refrigerant backup in any larger fan coil(s).