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:
Sep. 24, 2019
Filed:
Mar. 23, 2016
Aht Cooling Systems Gmbh, Rottenmann, AT;
Reinhold Resch, St. Peter, AT;
AHT COOLING SYSTEMS GMBH, Rottenmann, AT;
Abstract
A refrigerated display case () having at least one unit composed of a plurality of wall assemblies, namely a bottom assembly (), a rear wall assembly, and a top assembly (), which delimit a cooling space at the bottom, the rear, and the top, and having a cooling unit () whose components include at least one evaporator (), one condenser ('), and one electric control unit (). An environmentally friendly refrigerated display case () is achieved in that the cooling unit () includes at least two closed refrigerant circuits (′), which convey propane as a refrigerant and are each provided with a compressor (′), and in order to variably control the cooling output, at least one compressor (′) is embodied with a speed regulation and at least one compressor (′) is embodied for operation at a constant speed.