Dishwashing appliance with variable speed pump and method for operation thereof
The variable-speed motor and diverter system in dishwashing appliances address the limitations of single-speed pumps by allowing rapid and efficient fluid distribution to multiple spray assemblies, improving operational flexibility and reducing noise and costs.
US20260174306A1Pending Publication Date: 2026-06-25HAIER US APPLIANCE SOLUTIONS INC
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Patent Information
- Application Number
- US18/990034
- Authority / Receiving Office
- US · United States
- Patent Type
- Applications(United States)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2026-06-25
AI Technical Summary
Technical Problem
Conventional dishwashing appliances with single-speed pumps struggle to quickly switch ports between spray assemblies due to inadequate actuation speed, limiting the flexibility and efficiency of fluid distribution.
Method used
A dishwashing appliance equipped with a variable-speed motor and diverter system that allows selective fluid flow through multiple conduits, utilizing a controller to adjust motor speed for precise control of fluid distribution to different spray assemblies.
Benefits of technology
Enhances operational flexibility, reduces noise, and decreases manufacturing costs by enabling efficient and rapid switching between spray assemblies while maintaining fluid pressure and flow.
✦ Generated by Eureka AI based on patent content.
Abstract
A dishwashing appliance is configured to urge wash fluid to a diverter including a diverter chamber and an articulatable member translatable between first and second outlet openings. A controller causes a variable speed motor to perform operations, the operations including operating the motor to a wash speed to flow wash fluid through a diverter chamber to a second supply conduit fluidly coupled to a second outlet opening of the diverter chamber and generate a head pressure of wash fluid at a first supply conduit in fluid communication with the diverter chamber; adjusting operation of the motor to decrease speed from the wash speed to an outlet switch speed; and, after a period of time at the outlet switch speed, operating the motor to the wash speed to flow wash fluid through the diverter chamber to a first supply conduit fluidly coupled to a first outlet opening of the diverter chamber.
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