Refrigerator Dispenser Layout for Ice Isolation and Large Containers
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Solution Overview
Problem
Conventional refrigerator dispensers often face challenges in efficiently dispensing ice and water, particularly in accommodating containers of varying sizes and preventing accidental exposure to ice when dispensing water, due to limitations in design and actuation mechanisms.
Innovation Solution
The refrigerator dispenser features a unique arrangement with an ice dispensing chute and housing positioned deeper within the door cavity, and a liquid dispensing chute and actuator positioned closer to the front, allowing for separate and efficient dispensing of ice and water without cross-exposure, with the liquid dispensing actuator activated by the deepest surface of the container, and a movable housing that extends to accommodate larger containers for water dispensing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the liquid dispensing actuator is positioned deeper in the door cavity to accommodate larger containers, then container adaptability is improved, but ice may accidentally fall into the container during water dispensing
Solution Approach 1:
The dispensing system is segmented into distinct functional zones: the ice dispensing chute and housing are positioned deeper in the door cavity, while the liquid dispensing chute and actuator are positioned closer to the front. This spatial segmentation prevents ice from falling into containers during water dispensing while still accommodating various container sizes through the extended liquid dispensing reach.
Solution Approach 2:
The patent utilizes the depth dimension of the door cavity to resolve the conflict between container adaptability and ice exposure prevention. By positioning components at different depths along the Z-axis (ice chute deeper, liquid actuator forward), the system achieves both goals: large containers can be accommodated via the extended liquid dispensing mechanism while ice remains confined to the deeper housing region.
2Ease of operation
If the ice dispensing chute and housing are positioned closer to the front for easier access, then ease of operation is improved, but the liquid dispensing actuator may be exposed to ice during ice dispensing
Solution Approach 1:
The system segments the dispensing functions spatially: the ice dispensing housing and chute are isolated in the deeper rear portion of the cavity, while the liquid dispensing actuator is positioned in the forward portion. This segmentation ensures that the liquid actuator remains outside the ice dispensing path, preventing ice exposure while maintaining operational accessibility.
3Device complexity
If a single unified dispensing mechanism is used for both ice and water, then device complexity is reduced, but the ability to prevent cross-exposure and accommodate varying container sizes is worsened
Solution Approach 1:
Rather than using a completely unified or completely separate system, the patent applies local quality by giving different regions of the dispensing assembly different functions and properties. The deeper region houses the ice dispensing mechanism with appropriate containment, while the forward region houses the liquid dispensing actuator with extended reach for container adaptability. Each region is optimized for its specific function while working within a single integrated door assembly.
Data Source
AI summary
A refrigerator dispenser includes an ice dispensing actuator, an ice dispensing chute, an ice dispensing housing positioned within a refrigerator door cavity and configured to define an ice dispensing cavity through which ice dispensed by the ice dispensing chute passes, a liquid dispensing chute positioned closer to a front surface of a refrigerator door than the ice dispensing housing, and a liquid dispensing actuator positioned on the ice dispensing housing and configured to receive input to inspire dispensing of liquid through the liquid dispensing chute.