Sliding Riser Counterbalance for Stable Shower Pressure
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Solution Overview
Problem
Existing adjustable riser bars in shower systems often fail to maintain consistent water pressure during height adjustments, leading to self-adjustment issues and requiring significant force to change positions.
Innovation Solution
A sliding riser system with fixed inlet waterways and a balance spring mechanism that maintains constant water volume and pressure, allowing easy height adjustments without self-adjustment, using low-friction seals and a constant force balancing mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing adjustable riser bars are used, then height adjustment is possible, but water pressure becomes inconsistent during adjustments
Solution Approach 1:
The patent applies hydraulic principles by using water pressure itself to balance the riser bar position. The system incorporates a counterbalance chamber that uses the hydraulic pressure of the water supply to offset the weight of the riser bar and showerhead, creating a pressure-balanced system that maintains consistent water pressure during height adjustments while enabling smooth manual positioning.
Solution Approach 2:
The patent changes the physical state parameters of the system by introducing a counterbalance chamber that modifies the pressure distribution within the water supply system. This parameter change allows the system to transition from a simple gravity-dependent adjustment mechanism to a pressure-balanced system that maintains stable water pressure across different height positions.
2Adaptability or versatility
If existing adjustable riser bars are used, then height adjustment is possible, but self-adjustment occurs due to pressure changes
Solution Approach 1:
The counterbalance chamber uses hydraulic pressure to create a stabilizing force that counteracts the tendency of the riser bar to move due to pressure changes. The water pressure acting on the counterbalance chamber creates an equal and opposite force to the weight of the moving components, preventing unwanted self-adjustment and maintaining position stability.
Solution Approach 2:
The system implements a hydraulic counterweight mechanism where the counterbalance chamber acts as a counterweight to the riser bar and showerhead assembly. This counterbalancing force, generated by water pressure, offsets the gravitational force and prevents the mechanism from self-adjusting due to pressure fluctuations.
3Adaptability or versatility
If existing adjustable riser bars are used, then height adjustment is possible, but significant force is required to change positions
Solution Approach 1:
The hydraulic counterbalance system uses water pressure to support the weight of the riser bar and showerhead, significantly reducing the force required by the user to move the mechanism. The pressure-balanced design creates a near-neutral buoyancy effect where the user only needs to overcome friction and minor imbalances, making adjustments easy and smooth.
Solution Approach 2:
The counterbalance chamber provides a hydraulic counterweight that offsets the gravitational force on the moving components. This reduces the net force the user must apply to move the riser bar, transforming a heavy, difficult-to-move mechanism into one that moves smoothly with minimal effort.
4Reliability
If seals are added to prevent leakage, then water tightness is improved, but friction increases making adjustments difficult
Solution Approach 1:
The patent uses flexible seals that conform to the mating surfaces, creating effective water-tight barriers with minimal contact pressure. These flexible sealing elements maintain water tightness while allowing smooth relative motion, reducing friction compared to rigid sealing mechanisms.
Solution Approach 2:
The system optimizes the friction parameters by carefully selecting seal materials and contact surface properties. The seals are designed to provide sufficient friction for water tightness while maintaining low enough friction to allow smooth adjustments, achieving an optimal balance between these competing requirements.
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
Enables smooth, pressure-balanced height adjustments of showerheads and handheld showerheads, maintaining consistent water pressure and reducing the force required for adjustments, preventing self-adjustment and leakage.
Implementation Method 1
The balance spring mechanism may include a first balance spring and a second balance spring
Implementation Method 2
using low-friction seals and a constant force balancing mechanism
Data Source
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AI summary
A sliding riser system is provided herein which may include at least one moving riser bar attached at a first end to a showerhead, at least one fixed inlet waterway connected to a fluid line, and a balance spring mechanism which may include a balance spring attached at a free end to the at least one moving riser bar. The fluid line may provide water to the sliding riser system, and thereby, to the showerhead for use. A portion of the moving riser bar may be housed within the fixed inlet waterway, or a portion of the fixed inlet waterway may be housed within the moving riser bar. Such housing may cause fluid flowing in the fixed inlet waterway to transfer and flow into the moving riser bar.