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. 06, 2001
Filed:
May. 18, 2000
Kwok Kwong Fung, Granger, IN (US);
Eugene Duane Daddis, Jr., Manlius, NY (US);
Robert Hong Leung Chiang, Manlius, NY (US);
Carrier Corporation, Syracuse, NY (US);
Abstract
A refrigerated merchandiser system (,) includes a compressor (,), a condenser (,), a display case (,) having an evaporator (,), an expansion device (,) and an evaporator pressure control device (,) connected in a closed refrigerant circuit via refrigerant lines (,and,). The evaporator pressure control device (,) operates to maintain the pressure in the evaporator at a predetermined pressure so as to maintain the temperature of the refrigerant expanding from a liquid to a vapor within the evaporator (,) in the range of about 27 degrees F to about 32 degrees F. The evaporator (,) has a fin and tube heat exchanger coil having a relatively high fin density of at least 5 fins per inch, and most advantageously in the range of 6 to 15 fins per inch.