Dishwasher with heat pump
The dishwasher's heat pump system addresses energy and drying inefficiencies by operating in reverse mode to enhance heat exchange and medium regeneration, improving drying efficiency and energy utilization.
US20260191395A1Pending Publication Date: 2026-07-09ELECTROLUX APPLIANCES
Patent Information
- Authority / Receiving Office
- US · United States
- Patent Type
- Applications(United States)
- Current Assignee / Owner
- ELECTROLUX APPLIANCES
- Filing Date
- 2022-11-23
- Publication Date
- 2026-07-09
AI Technical Summary
Technical Problem
Existing dishwashers face challenges in achieving improved energy and drying efficiency, particularly in the utilization of heat pumps for effective washing and drying cycles.
Method used
A dishwasher with a heat pump system that operates in reverse mode to circulate washing liquid, utilizing a refrigerant flow changing device to alternate between heating and cooling functions, allowing for efficient heat exchange and regeneration of a heat exchanging medium, thereby enhancing drying efficiency and energy utilization.
Benefits of technology
The system improves drying efficiency by effectively extracting heat from the dishwasher structure to regenerate the heat exchanging medium and enhance drying performance, while reducing energy consumption.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure US20260191395A1-D00000_ABST
Abstract
A method for operating a dishwasher including operating a heat pump in a washing cycle in the reverse mode and circulating the washing liquid from an inlet at the sump through the lower spray device and / or a tub outlet at the bottom of the tub for supplying cooled washing liquid into the interior of the tub and from there back into the sump via the tub.
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