Proportional Valve Sealing Layout for Precise Multi-Outlet Flow Split

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Solution Overview

Problem

Existing regulating valves lack the ability to accurately and efficiently adjust the proportion of flow between multiple outlets, leading to inefficiencies in fluid control.

Innovation Solution

A proportional regulating valve with a rotatable valve core and a sealing device that includes a first and second sealing member, allowing for precise adjustment of outlet openings through a larger effective operating angle, ensuring accurate fluid distribution between multiple outlets.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If a conventional valve core is used to adjust outlet opening degrees, then the structure is simple, but the adjustment precision and effective operating angle are limited

Engineering Contradiction:
Improveoutlet opening degree adjustment precisionVSAvoidvalve core structure complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The valve core is segmented into multiple independent adjusting portions, each corresponding to a different outlet. Each adjusting portion can be independently adjusted to control the opening degree of its corresponding outlet, enabling precise individual control without requiring a complex overall redesign of the valve core structure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces a vertical adjusting portion that extends in the vertical direction, in addition to horizontal adjusting portions. This multi-dimensional arrangement of adjusting portions allows for expanded effective operating angle and more precise control of outlet openings without significantly increasing structural complexity.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Adaptability or versatility

If the effective operating angle of the valve core is increased to improve adjustment range, then the adjustment coverage is improved, but the valve core structure becomes more complex

Engineering Contradiction:
Improveeffective operating angleVSAvoidvalve core structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The valve core is divided into multiple adjusting portions that can be independently positioned at different angles. This segmentation allows the effective operating angle to be extended across multiple outlets without requiring a single complex rotating mechanism, as each portion operates independently within its own angular range.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The valve core adjusting portions are designed to be rotatable and adjustable to different positions. This dynamic capability allows the effective operating angle to be expanded while maintaining a relatively simple structure, as each adjusting portion can independently rotate to its required position rather than requiring a complex interconnected mechanism.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS20250369524A1Proportional Regulating Valve
Publication Date: 2025.12.04 ILLINOIS TOOL WORKS INC
  • US20250369524A1 patent drawing
  • US20250369524A1 patent drawing
  • US20250369524A1 patent drawing

AI summary

The present disclosure discloses a proportional regulating valve, including: a housing, a valve core, and a sealing device. The sealing device and the valve core are configured such that an effective operating angle of the valve core is greater than the sum of respective central angles of two housing outlets of the at least two housing outlets, and the effective operating angle of the valve core is an angle of rotation that enables the valve core outlet to be in communication with both of the two housing outlets and that changes the opening degree of at least one of the housing outlets. In the proportional regulating valve of the present disclosure, the opening degree adjustment range of the housing outlet is enlarged by setting the sizes of the inner side sealing opening and the valve core outlet to be larger than the size of the housing outlet, so that the opening degree of the housing outlet is more accurately adjusted while maintaining the size of the valve core and the total angle of rotation unchanged, thereby allowing more accurate regulation of proportions of flow between the housing inlet and the housing outlets, and between the housing outlets.