Magnetic Valve Membrane Deformation for Vehicle Washer Fluid
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Solution Overview
Problem
Current windshield washer fluid distribution systems for vehicles require complex installations with multiple pipes, which are aesthetically unappealing, negatively impact aerodynamics, and complicate the distribution process, especially in limited spaces.
Innovation Solution
A magnetic field-controlled fluid distribution valve with a deformable membrane allows for efficient distribution of windshield washer fluid from a single-channel pump to one or two spray ramps, eliminating mechanical constraints and simplifying the installation process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If two separate pipes are used to supply windshield washer fluid to two spray ramps from a two-way pump, then fluid distribution to multiple ramps is achieved, but the installation becomes complex and the visual appearance deteriorates
Solution Approach 1:
The patent merges multiple fluid distribution functions into a single pipe system by incorporating a valve assembly with multiple outlets that can selectively direct fluid to different spray ramps. This eliminates the need for separate pipes for each ramp while maintaining the ability to distribute fluid to multiple locations.
Solution Approach 2:
The single pipe system is designed with a multi-functional valve assembly that can direct fluid to different spray ramps based on operational requirements. The valve assembly serves multiple functions (directing fluid to ramp 1, ramp 2, or both) through a single pipe connection, reducing installation complexity while maintaining versatility.
2Adaptability or versatility
If two separate pipes are used to supply windshield washer fluid to two spray ramps, then fluid distribution to multiple ramps is achieved, but aerodynamic performance deteriorates
Solution Approach 1:
The patent combines multiple fluid supply lines into a single integrated pipe system with a multi-outlet valve assembly. This reduces the total number of pipes exposed to aerodynamic forces, thereby minimizing drag while maintaining the capability to supply multiple spray ramps.
3Device complexity
If a magnetic field is used to deform the membrane directly, then mechanical constraints are eliminated and device complexity is reduced, but control precision requirements increase
Solution Approach 1:
The patent replaces traditional mechanical actuation mechanisms (such as solenoids, diaphragms, or linkages) with a magnetic field-based system. The magnetic field directly deforms the membrane to control fluid flow, eliminating complex mechanical components while enabling precise control through magnetic field modulation.
Solution Approach 2:
The patent utilizes changes in magnetic field parameters (strength, direction, or distribution) to control membrane deformation and thereby regulate fluid flow. By modulating magnetic field parameters, precise control is achieved without mechanical intermediaries.
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
The solution enables flexible and efficient fluid distribution, improving the visual appeal and aerodynamic performance while simplifying the installation and operation of windshield washer systems.
Implementation Method 1
means for generating a magnetic field inside the channel to control the deformation of the membrane
Implementation Method 2
the membrane is configured to be directly deformed by a magnetic field between a first at least partially closed position of the channel and a second open position of the channel
Data Source
Figure 1
Figure 2
Figure 3~6
AI summary
Fluid distribution valve (11), particularly for a vehicle screen wash system, characterized in that it comprises a body (41) defining a duct (43) for the passage of fluid and comprising at least one fluid inlet (45) and at least one fluid outlet (47, 49), a membrane (53) housed in the duct and configured to be deformed under the action of a magnetic field between a first position of at least partial closure of the duct and a second position of at least partial opening of the duct, and means (51) for generating a magnetic field within the duct in order to cause the membrane to deform.