Mechanical Pressure Booster Valve Switching Without Electrical Wiring
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Solution Overview
Problem
Conventional pressure boosters using reciprocating motion and electrical means for switching operations limit design flexibility and require electrical wiring, which is not ideal for all applications.
Innovation Solution
A pressure booster design with separate cylinders for driving pistons and compressing fluid, utilizing mechanical pilot and operating valves actuated by piston abutment, eliminating the need for electrical means and allowing for different inner diameters, and incorporating fluid circuits for operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If electrical means including reed switches and solenoids are used for switching operations, then switching operation can be performed, but electrical wiring is required which limits application flexibility
Solution Approach 1:
The patent replaces electrical switching means (reed switches and solenoids) with a purely mechanical valve actuation system. The piston directly actsuates the operating valve through mechanical contact, eliminating the need for electrical wiring and enabling use in environments where electrical means are unsuitable.
Solution Approach 2:
The patent extracts and removes the electrical components (reed switches, solenoids, electrical wiring) from the system, retaining only the essential mechanical functions. This extraction allows the pressure booster to operate without electrical infrastructure.
2Productivity
If booster cylinders are provided with both working chambers for driving pistons and compression chambers for compressing fluid, then integrated operation is achieved, but design flexibility is limited
Solution Approach 1:
The patent segments the cylinder functions by providing separate booster cylinders dedicated to fluid compression and separate drive cylinders dedicated to piston actuation. This segmentation allows independent optimization of each function and greater design flexibility while maintaining integrated operation through mechanical coupling.
3Adaptability or versatility
If separate cylinders for driving pistons and compressing fluid are used, then design flexibility is enhanced, but device complexity increases
Solution Approach 1:
The patent merges the drive mechanism and compression mechanism into a single integrated assembly where drive cylinders and booster cylinders work in direct mechanical coupling. This merging allows separate functional cylinders while maintaining a compact, unified structure that does not significantly increase overall device complexity.
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
Enhances design flexibility, reduces pressurized fluid consumption, and eliminates the need for electrical wiring, while stabilizing valve operation and minimizing noise and leakage.
Implementation Method 1
a compression chamber for compressing pressurized fluid
Implementation Method 2
when each of the pilot valves is actuated, the pressurized fluid is supplied to the pair of operating valves through the corresponding pilot valve
Data Source
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AI summary
This pressure booster (10) having arranged therein drive cylinders (14, 16) on both sides of a boosting cylinder (12) is provided with: a pair of pilot valves (72, 74) that are actuated when pistons (36, 38) of the drive cylinders abut against the moving ends thereof; and a pair of actuation valves (48, 52) that switch the supply state of a pressure fluid to pressure chambers (24a, 26a) of the drive cylinders. When the pilot valves are actuated, the pressure fluid passes through the pilot valves and is supplied to the pair of actuation valves, and the supply state of the pressure fluid is switched.