Magnetic Disc Coupler for Low-Profile Lateral-Load Blenders
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Solution Overview
Problem
Traditional blending appliances require substantial vertical space due to their design, which mandates vertical or drop-in placement of the jar onto a base with a motor, limiting their compactness and usability in kitchens with space constraints.
Innovation Solution
A magnetic coupling system is employed, allowing the blender jar to be inserted laterally and secured with a magnetic coupling mechanism that includes upper and lower magnetic couplers, enabling the blade assembly to be driven without mechanical coupling, thus reducing the need for vertical space and enhancing compactness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional vertical or drop-in placement design is used, then the motor can be directly coupled to the blade assembly, but the appliance requires substantial vertical space above the base
Solution Approach 1:
The patent replaces the traditional direct mechanical coupling system with a magnetic coupling system. The magnetic coupler assembly uses magnetic fields to transmit rotational force from the motor to the blade assembly without physical contact, eliminating the need for vertical mechanical linkages and reducing the appliance's vertical footprint.
Solution Approach 2:
The magnetic coupler assembly acts as an intermediary between the motor and blade assembly. It consists of a driver portion coupled to the motor shaft and a driven portion coupled to the blade assembly, with magnetic fields serving as the medium to transmit power across a horizontal gap, thereby enabling lateral jar insertion.
2Length of stationary object
If a magnetic coupling system is used, then the vertical space is reduced and lateral jar insertion is enabled, but the brake mechanism complexity increases
Solution Approach 1:
The brake mechanism is merged with the magnetic coupler assembly. The brake portion is integrated into the driver portion of the magnetic coupler, allowing the brake mechanism to share space and structural elements with the magnetic coupling components, thereby minimizing additional complexity.
Solution Approach 2:
The brake mechanism is designed to be automatically activated when the jar is removed from the base. The brake portion engages with the driver portion through magnetic field changes or mechanical displacement, providing self-actuating braking functionality without requiring separate control systems.
3Length of stationary object
If lateral jar insertion is implemented, then the appliance profile is lowered, but the magnetic coupling alignment precision must be higher
Solution Approach 1:
The magnetic coupler assembly is designed with universal compatibility features that accommodate variations in jar positioning. The magnetic field distribution and mechanical tolerance design allow the system to function effectively across a range of alignment conditions, reducing the stringency of manufacturing precision requirements.
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 magnetic coupling system allows for efficient operation of the blade assembly while maintaining a low profile design, accommodating lateral jar insertion and providing a compact blending appliance that does not require substantial vertical space above the base.
Implementation Method 1
A magnetic coupling system is employed, allowing the blender jar to be inserted laterally and secured with a magnetic coupling mechanism that includes upper and lower magnetic couplers, enabling the blade assembly to be driven without mechanical coupling
Implementation Method 2
A brake mechanism is coupled to the magnetic coupling assembly to stop the rotation of the blade assembly when the jar is laterally removed from the housing base
Data Source
AI summary
A blending appliance includes a housing with a jar receiving area defined between an upper housing and a support base. A blender jar includes a base portion and a receptacle portion, and is configured to be laterally received within the jar receiving area of the housing. A magnetic coupling system includes an upper magnetic coupler disposed in the base portion of the blender jar and a lower magnetic coupler disposed in the support base of the housing. The upper and lower magnetic couplers are magnetically coupled to one another for driving a blade assembly disposed in the receptacle portion of the blender jar. A brake mechanism is disposed on the upper magnetic coupler and is configured to stop rotation of the upper magnetic coupler when the blender jar is removed from the jar receiving area.