Sanitary Fitting Orientation for Cold-Start Positioning
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Solution Overview
Problem
Existing sanitary fittings require a separate structure for the 'cold-start' position, limiting the ability to adjust the water mixture ratio and increasing energy consumption due to operator error in positioning the operating lever.
Innovation Solution
A sanitary fitting design that allows for both mixed-water and cold-start positions by enabling the upper valve part to be oriented at specific angles during installation, using a combination of attachment rings, projections, and positioning pins to ensure defined positioning within the pipe piece, allowing for adjustable spindle orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a separate fitting structure is used for the cold-start position, then the cold-start function is achieved, but the device complexity increases
Solution Approach 1:
The patent applies multi-functionality by enabling the upper valve part to serve multiple purposes: it can be installed in different rotary positions (at least two positions offset by an orientation angle) to achieve both mixed-water operation and cold-start position functionality using the same fitting structure, eliminating the need for separate structures for different functions
Solution Approach 2:
The patent applies dynamics by making the spindle orientation adjustable during installation. The upper valve part can be rotated to different positions (e.g., 0° for mixed-water, 90° for cold-start) before being fixed in the fitting, allowing the system to adapt its configuration based on the desired function without requiring multiple fixed structures
2Ease of operation
If the operating lever is aligned with the outlet in the closed valve position, then optical alignment is achieved, but operator error occurs resulting in incorrect water temperature issuance
Solution Approach 1:
The patent applies preliminary action by pre-configuring the spindle orientation during installation according to the desired function. The fitting is installed with the spindle in a specific rotary position (determined during installation) so that when the operating lever is later aligned with the outlet, it automatically produces the correct water temperature (either mixed or cold) without requiring the operator to make additional adjustments or understand complex positioning
Data Source
AI summary
A sanitary fitting includes a pipe section which has a valve seat and which receives a valve upper part which bears against the valve seat and which includes a head piece which is traversed centrally by a spindle which is rotatably and/or pivotably mounted in the head piece and via which a control disc can be moved relative to an inlet disc within the head piece, wherein the valve upper part is releasably connected to the pipe section, wherein a device for the defined positioning of the valve upper part within the pipe section in at least two rotary positions offset by an angle of orientation is arranged.