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US 2018/0320948 A1Published application
Hybrid Cooling Appliance
AssigneeDometic Sweden AB
InventorsAnton Lundqvist, Dahua Li, Xingbiao Yang, Yongbin Zhang, Junbao Li, Patrick McConnell, Clayton Meyers
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Abstract
A hybrid cooling system and a method of controlling the same. The hybrid cooling system (50) comprises an absorption refrigeration system (52), a compression refrigeration system (54) and a controller (80) which operates the absorption refrigeration system (52) and the compression refrigeration system (54) in three modes.
Claims32
A hybrid cooling appliance, comprising:
- a cabinet having cooling mechanicals mounted on said cabinet;
- at least one door positioned on a front side of said cabinet covering an opening;
- said cooling mechanicals including an absorption refrigeration system and a compressor refrigeration system;
- a controller which operates said absorption refrigeration system and said compressor refrigeration system, said controller capable of operating in three modes:
- a first mode wherein one of said absorption refrigeration system and said compressor refrigeration system operates alone;
- a second mode wherein the other of said absorption refrigeration system and said compressor refrigeration system operates alone;
- and,
- a third mode wherein both said absorption refrigeration system and said compressor refrigeration system operate simultaneously.
5 more elements
(canceled)
A method of operating a hybrid refrigerator, comprising:
- cooling a refrigerator cabinet with said compressor refrigeration system when an ambient temperature is below a preselected temperature or when a low volume is desirable;
- cooling said refrigerator with an absorption refrigeration system when a preselected cabinet temperature is obtained;
- determining when to use one or both of said compressor refrigerator system and said absorption refrigeration system and which of said systems.
Dependencies are inferred from the claim text.