Linear Motor Pressure Generator for Stable High-Pressure Fluid Supply
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Solution Overview
Problem
Existing high-pressure fluid generation devices suffer from complex designs, significant wear, complex controllability, and less-than-ideal economic efficiency, with pressure fluctuations causing mechanical stress and material fatigue.
Innovation Solution
The use of electric linear motors with stators and forcers to drive high-pressure plungers, connected to an electrical control unit comprising a power supply, servo converter, and programmable computing unit, for precise and direct translational movement of the plungers, minimizing inertial forces and pressure fluctuations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional pressure generators with mechanical transmissions are used, then high-pressure fluid can be generated, but the design becomes complicated and significant wear occurs
Solution Approach 1:
The patent replaces conventional mechanical transmission systems (crankshafts, connecting rods, valves) with an electric linear motor that directly drives the plunger. This substitution eliminates complex mechanical components, reduces wear, and simplifies the overall design while maintaining the ability to generate high-pressure fluid.
Solution Approach 2:
The invention extracts and removes the complex mechanical transmission elements from the pressure generator system. By using a linear motor that directly actuates the plunger without intermediate mechanical transmissions, the patent eliminates sources of wear and complexity while preserving the core function of high-pressure fluid generation.
2Productivity
If conventional pressure generators are used, then high-pressure fluid can be generated, but controllability becomes complex and speed is insufficient
Solution Approach 1:
The patent replaces mechanical control systems with an electrically controlled linear motor system. The linear motor responds directly to electrical signals, enabling precise and rapid control of plunger movement without the delays and complexities of mechanical transmissions, thereby improving control speed and simplifying controllability.
Solution Approach 2:
The invention implements dynamic control of the plunger movement through the linear motor, allowing rapid acceleration and deceleration. The electrical control system can dynamically adjust the plunger position and speed in real-time, enabling flexible and responsive control of the high-pressure fluid generation process.
3Strength
If pressure intensifiers with mechanical transmissions are used, then high-pressure fluid can be generated, but pressure fluctuations cause mechanical stress and material fatigue
Solution Approach 1:
The patent replaces mechanical transmission systems that generate pressure fluctuations with a linear motor-driven plunger system. The direct drive mechanism eliminates inertial forces and mechanical impacts associated with conventional transmissions, resulting in smoother pressure delivery and reduced material stress and fatigue.
Solution Approach 2:
The invention converts the potential harm of pressure fluctuations into a benefit by using the linear motor's precise control capabilities to minimize pressure variations. The electrical control system can optimize the plunger movement profile to maintain stable pressure output, turning what could be a harmful effect into a demonstration of control precision.
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
This approach provides a simple, economical, and highly controllable solution with minimal pressure fluctuations, ensuring reliable high-pressure fluid supply and reduced material fatigue, while allowing for precise control and rapid movement of the plungers.
Implementation Method 1
an electric linear motor with stator and forcer for driving the high-pressure plunger in the high-pressure cylinder
Data Source
Figure 1~1A
Figure 2~2A
Figure 3~3A
AI summary
The invention relates to a device for controlled supply of high-pressure fluid. In order to minimise the disadvantages of the prior art with regard to a complicated structure, notable wear and complex controllability at low speed and to achieve economically viable operation, according to the invention the pressure generator (D) in each case comprises an electric linear motor (L) having a stator (9) and a forcer (10) to drive the high-pressure plunger (17) in the high-pressure cylinder (15), and the electric linear motor(s) (L, L') is (are) connected to an electric control unit (12).