Axial Faucet Control Layout for Compact One-Handed Mixing
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Solution Overview
Problem
Existing faucet units for the sanitary sector often have large dimensions and are difficult to integrate into bathroom furnishings, with single-lever mixers complicating precise temperature and volume control, and separate control units requiring two-handed operation.
Innovation Solution
A compact faucet unit design featuring a telescopic tube connection between the wall and front sections, with separate temperature and quantity control elements arranged axially, allowing for precise independent control and one-handed operation, and incorporating a thermostatic valve and shut-off valve for enhanced functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If separate temperature and flow control elements are used, then precise temperature and volume control is achieved, but the device size increases and requires two-handed operation
Solution Approach 1:
The patent combines separate temperature control element (20) and flow control element (22) into a single integrated control unit on the front section (10). Both control elements are arranged axially one after the other, allowing them to be operated simultaneously or sequentially with one hand while maintaining precise independent control over temperature and volume settings.
Solution Approach 2:
The control elements are arranged in the axial direction of the base body rather than side-by-side or one above the other. This axial arrangement in the depth dimension allows both controls to be within easy reach of a single hand, transforming the spatial relationship from a planar layout that requires two hands to a depth-oriented layout accessible from one position.
2Measurement precision
If separate temperature and flow control elements are arranged side-by-side or one above the other, then independent control is achieved, but the base body length increases making integration into bathroom furnishings difficult
Solution Approach 1:
Instead of arranging control elements in the lateral or vertical directions that increase base body length, the patent positions them along the axial direction (depth) of the base body. This reorientation places controls in the depth dimension rather than extending the lateral footprint, enabling compact integration into bathroom furnishings while maintaining independent control functionality.
Solution Approach 2:
The temperature control element (20) and flow control element (22) are nested within the front section (10) structure, with both controls contained within the axial length of the base body. This nested arrangement allows the controls to be housed efficiently without increasing the overall lateral dimensions of the fitting unit.
3Measurement precision
If controls are positioned at opposite ends of an elongated base body, then separate control functionality is achieved, but one-handed operation becomes cumbersome requiring reach to the other end
Solution Approach 1:
The patent merges the temperature control element (20) and flow control element (22) into a compact arrangement on the front section (10) where both controls are positioned within easy reach of a single hand. This consolidation eliminates the need to reach to opposite ends of an elongated base body, allowing both temperature and volume adjustments to be made conveniently from one position.
Data Source
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AI summary
The invention relates to a fitting unit for sanitary applications, comprising a base body (4) having an axial direction (6), a wall section (8) for mounting on a wall, and a front section (10), with a wall side (12) on the wall section (8), wherein the wall side (12) is arranged at a first end of the base body (4) in the axial direction (6), with a front side (14) on the front section (10), wherein the front side (14) is arranged at a second end of the base body (4), which is opposite the first end in the axial direction (6), with water connections (16) on the wall section (8), with at least one drain (18) which is connected to the water connections (16) via water passages, wherein volume flows through the water passages can be controlled by means of control means, with a temperature control element (20) for setting a water temperature using the control means, and with a flow control element (22) for setting a water quantity using the control means.wherein the temperature control element (20) and the flow control element (22) are arranged one after the other in the axial direction (6) on the front section (10) and between the front (14) and the wall side (12). The technical problem of specifying a valve unit that allows for a compact design and increases ease of use is solved by arranging the temperature control element and the flow control element one after the other in the axial direction on the front section and between the front and the wall side.