Developer Discharge Control via Magnetic Flow Regulator
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Solution Overview
Problem
Existing developing apparatuses struggle to accurately regulate the discharge amount of developers, either by relying on protruding portions that only prevent sudden discharge or by opening and closing discharge openings, which fail to adequately adjust to variations in liquid surface displacement due to inclination and system speed.
Innovation Solution
A developing apparatus with a developer accommodating container, featuring a first and second feeding member, communication portions, a developer replenishing and discharge portion, and a flow rate regulating portion made of magnetic material that adjusts the cross-sectional area of the flow path to control the developer discharge, utilizing a weight presuming means to regulate the discharge amount based on the developer's weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a protruding portion is used to prevent sudden discharge, then the developer discharge is suppressed, but the discharge amount cannot be sufficiently promoted and an appropriate discharge amount cannot be obtained
Solution Approach 1:
The developing apparatus is divided into multiple functional sections: a first accommodating portion with a first feeding member for controlled discharge, and a second accommodating portion with a second feeding member for replenishment. This segmentation allows independent control of discharge and replenishment processes, enabling precise regulation of discharge amount while maintaining reliable operation.
2Reliability
If an opening and closing lid is used to control discharge, then the discharge opening can be opened and closed, but the liquid surface displacement due to inclination and system speed cannot be sufficiently corresponded to, resulting in inability to appropriately regulate discharge amount
Solution Approach 1:
The first feeding member is configured to rotate in response to liquid surface displacement caused by inclination and system speed variations. This dynamic response allows the feeding member to automatically adjust to changing conditions and maintain appropriate discharge amount regulation, overcoming the limitations of static opening and closing lids.
Solution Approach 2:
The system incorporates feedback mechanisms where the rotation of the first feeding member is influenced by the liquid surface position and displacement conditions. This feedback loop enables continuous adjustment of the discharge process to match actual operating conditions, ensuring appropriate discharge amount control despite variations in inclination and speed.
3Manufacturing precision
If the discharge opening is opened and closed by the opening and closing lid, then the discharge can be controlled, but the discharge amount cannot be set to an appropriate value due to inability to correspond to liquid surface displacement
Solution Approach 1:
The first feeding member is designed to automatically respond to liquid surface displacement without requiring complex external control mechanisms. The rotation of the feeding member is naturally influenced by the liquid surface position, enabling self-regulating discharge control that achieves precise discharge amount setting while maintaining relatively simple device structure.
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
This solution allows for precise regulation of the developer discharge amount, stabilizing the liquid surface and ensuring the discharge meets the desired value by adjusting the flow rate through the magnetic flow rate regulating portion, which can expand or contract to control the passage of developers.
Implementation Method 1
a flow rate regulating portion arranged between the second communication portion and the developer discharge portion, and regulating an amount of the passing developer
Data Source
AI summary
A developer accommodating container is structured such as to be provided with a first accommodating portion in which the first feeding member is arranged, a second accommodating portion in which the second feeding member is arranged, a first communication portion communicating the first accommodating portion and the second accommodating portion in one end side, a second communication portion communicating the first accommodating portion and the second accommodating portion at the other end side, a developer replenishing portion arranged in the other end side rather than the second communication portion, in the other end side of the first accommodating portion, a developer discharge portion arranged in the other end side rather than the second communication portion, in the other end side of the second accommodating portion, and a flow rate regulating portion arranged between the second communication portion and the developer discharge portion, and regulating an amount of the passing developer.