Pedicure Chair Jet Pump With Magnetic Coupling and Heating
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Solution Overview
Problem
Pedicure chairs with conventional water circulation systems face issues of water leakage, difficulty in cleaning and sterilizing, and lack of temperature control, posing health concerns for users.
Innovation Solution
A pedicure chair system with a pump having a heating element and impeller for temperature-controlled water circulation, featuring a motor-driven shaft, a pump housing with an inner cavity, and a cover with intake and outlet ports, allowing for rapid sanitation and effective temperature management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional motor-driven impeller is used for water circulation, then water circulation is achieved, but water leakage around the shaft occurs requiring maintenance
Solution Approach 1:
The patent replaces the conventional mechanical shaft-mounted impeller system with a magnetic coupling system where the impeller is driven by a magnetic field through a magnetically permeable wall, eliminating the need for shaft seals and mechanical connections that leak water
Solution Approach 2:
The patent introduces a magnetically permeable wall as an intermediary between the motor and the water, allowing magnetic field transmission while physically separating the motor from the water environment, thus preventing water leakage
2Ease of operation
If a pipe system is used for water circulation, then water can be introduced and removed from the basin, but the pipe system accumulates dirt, mold and bacteria making it difficult to clean and sterilize
Solution Approach 1:
The patent extracts the water circulation function from the traditional pipe system and relocates it to an integrated pump assembly with open architecture, eliminating enclosed pipes that trap contaminants and are difficult to clean
Solution Approach 2:
The patent segments the water circulation system into discrete, accessible components including the pump housing, impeller, and heating element that can be easily removed and cleaned individually, rather than a monolithic pipe system
3Temperature
If hot water is introduced to the basin without temperature control, then hot water is available, but the water temperature cannot be maintained at a desired range
Solution Approach 1:
The patent merges the heating element directly into the pump housing, combining the water circulation and heating functions in a single integrated unit, which simplifies the overall system while maintaining temperature control capability
Solution Approach 2:
The heating element is designed to self-regulate temperature through direct integration with the water flow path, heating water as it passes through the pump housing without requiring complex external temperature control systems
4Reliability
If a stator and rotor system separated by a magnetically permeable wall is used, then water circulation is achieved without shaft leakage, but the system lacks temperature control or heating element
Solution Approach 1:
The patent combines the magnetic coupling water circulation system with an integrated heating element within the pump housing, merging two previously separate functions (circulation and heating) into one unified device
Solution Approach 2:
The pump housing is designed to serve multiple functions: it houses the magnetic coupling mechanism for leakage-free water circulation, contains the heating element for temperature control, and provides structural support for the entire assembly
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system provides heated, sanitized water circulation, ensuring user safety and comfort by maintaining desired water temperatures and facilitating easy cleaning and maintenance.
Implementation Method 1
A heating source in the form of a heating element is disposed within the inner cavity of the pump housing and connected to the pump housing; said heating element defining an open space
Implementation Method 2
An impeller is connected to the drive shaft and disposed, at least in part, within the inner cavity of the pump housing and the open space. The impeller is rotatable to circulate water
Data Source
AI summary
A jet pump associated with a heat source, such as a heating element or heating coils, is disclosed. The heating element is located in a housing chamber and coaxially with an impeller. An electrical motor rotates the impeller and circulates water within the chamber and between coils of the heating element. The heated water is then discharged into a basin found in a pedicure chair or other devices requiring agitated, heated water.