Two-Part Coolant Valve Body for Uniform Flow Channels
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Solution Overview
Problem
Existing valve bodies for coolant systems, produced by injection molding, suffer from pressure gradients due to non-uniform cross-sectional diameters of the through channels, leading to energy losses and inefficiencies in coolant flow.
Innovation Solution
A valve body design featuring a base body and a cover, allowing for a two-part configuration that enables the creation of through channels with uniform or varying cross-sectional diameters, reducing pressure gradients and improving coolant flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a sliding element with a draft angle is used in injection molding to enable easy removal, then the ease of manufacture is improved, but the through channel develops a non-uniform cross-sectional diameter causing pressure gradients and energy losses
Solution Approach 1:
The valve body is divided into two separate injection-molded parts (first and second valve body parts) that are subsequently connected. This segmentation allows each part to be manufactured independently with optimized through channel geometries, eliminating the need for draft angles in sliding elements while maintaining uniform cross-sectional diameters throughout the continuous through channel.
2Device complexity
If the valve body is produced as a single injection-molded part, then the device complexity is reduced, but the through channel cannot maintain a uniform cross-sectional diameter
Solution Approach 1:
The valve body is segmented into two separately injection-molded parts, each capable of forming through channels with uniform cross-sectional diameters. After injection molding, these parts are connected to form the complete valve body with continuous through channels that maintain geometric precision throughout.
Solution Approach 2:
Connection elements serve as intermediaries to join the two injection-molded valve body parts. These connection elements enable the assembly of complex multi-channel structures while maintaining the uniform cross-sectional geometry of through channels, which would be difficult to achieve in a single molding operation.
3Productivity
If a uniform cross-sectional diameter is maintained throughout the through channel, then the coolant flow efficiency is improved, but the manufacturing process becomes more complex requiring two-part construction
Solution Approach 1:
The valve body is constructed from two separately injection-molded parts, each optimized to form through channels with uniform cross-sectional diameters. This segmentation enables superior coolant flow efficiency while the connection process between parts integrates the structure into a functional whole.
Solution Approach 2:
The invention changes the manufacturing parameter from single-part injection molding to two-part injection molding with subsequent connection. This parameter change enables the through channels to maintain uniform cross-sectional diameters throughout their length, optimizing coolant flow characteristics and reducing energy losses.
Data Source
AI summary
A valve body for a valve of a coolant system; includesat least one tubular through channel for a coolant anda base body which is designed to be rotatable about an axis of rotation by a drive and has a contact surface for abutting against a sealing arrangement of a valve housing of the valve with at least two sealing portions and at least two sliding portions which lie on a spherical enveloping surface,The base body is divided by an equatorial plane arranged orthogonally to the axis of rotation.The base body includes an opening which is arranged parallel to the equatorial plane and is closed by a cover. The through channel is formed by the base body and the cover.