Ball Screw Piston Compressor for Precise Fluid Dosage
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Solution Overview
Problem
Conventional piston compressors face challenges in accurately determining the mass or volume of compressed medium, require a compact design, and struggle with efficient cooling of the device during fluid compression.
Innovation Solution
A piston compressor utilizing a threaded drive with a cylindrical component and threaded nut, allowing for precise control of the compression volume through a ball screw mechanism, and incorporating cooling tubes for effective heat dissipation, enabling a compact and space-saving design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional suction and discharge valves are used to control compression, then the compression process is simple, but the mass or volume of compressed medium cannot be determined precisely
Solution Approach 1:
The patent replaces the conventional mechanical suction and discharge valve system with a threaded drive mechanism that provides precise positional control of the piston. The threaded spindle and nut convert rotary motion into precise linear displacement, enabling accurate determination of compression volume and mass without relying on valve timing control.
2Volume of moving object
If compressor unit and piston drive are independent units, then the drive system is simple, but the space requirement increases
Solution Approach 1:
The patent merges the compressor unit and piston drive into a single integrated assembly. The threaded drive mechanism is positioned such that the piston is directly coupled to the threaded nut, eliminating the need for separate drive mechanisms and reducing overall device footprint while maintaining functional independence of compression and drive operations.
3Adaptability or versatility
If compression chamber volume is fixed, then the device structure is simple, but the working volume cannot be varied
Solution Approach 1:
The patent implements a dynamic compression chamber volume through the threaded drive mechanism. The piston position is variable and controlled by the threaded spindle rotation, allowing the compression chamber volume to be adjusted continuously. This dynamic adjustment capability enables versatile working volumes while maintaining a relatively simple structural design through the inherent mechanical advantage of the threaded mechanism.
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 provides precise control over the compression volume and mass of the compressed fluid, enhances cooling efficiency, and achieves a compact, space-saving design, allowing for accurate and reproducible fluid dosage and extended tool life in applications like machining.
Implementation Method 1
a threaded drive is provided for driving the piston compressor with a cylindrical component designed as a threaded spindle and a threaded nut for converting a rotary movement into a linear movement
Implementation Method 2
US Patent 6,068,448 relates to a piston compressor with a ball screw drive for compressing compressible fluids, wherein the ball screw drive comprises a cylindrical ball spindle and a ball nut for linear movement of the ball spindle
Implementation Method 3
Another problem is the cooling of the device in order to dissipate the heat generated as a result of the compression of the fluids
Data Source
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AI summary
The present invention relates to a piston compressor for compressing fluids, with a compression chamber (2, 3) for compression and a compression piston (4, 5), wherein for drive purposes preferably a ball screw drive is provided, comprising a cylindrical ball screw spindle (1) and a ball nut (10) for linearly moving the ball spindle back and forth, wherein as a result of the linear movement of the ball screw spindle (1) the compression piston (4, 5) and the compression chamber (2, 3) can slide relative to each other.