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Control method for controlling the gas flow in a compressor

A control method, a technology in a compressor, applied to components of a pumping device for elastic fluid, pump control, mechanical equipment, etc., can solve problems such as temporary gas cutoff and gas flow loss

Inactive Publication Date: 2005-10-26
CARGINE ENG AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additionally, slow closing / opening will result in significant airflow loss
Therefore, the gas tank and compressor must be of greater size without the gas flow to the compressor being temporarily cut off as in a single cycle

Method used

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  • Control method for controlling the gas flow in a compressor
  • Control method for controlling the gas flow in a compressor

Examples

Experimental program
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Embodiment Construction

[0027] figure 1 is a representative schematic diagram showing a compressor cylinder with piston 1. During the intake stroke, the piston is moved and air (or any other gas) flows through the open intake valve 2 . The intake valve 2 and the closed exhaust valve 3 are composed of pneumatic, hydraulic or electromagnetic controllable valves. A circuit 4 is used to operate the valves 2 and 3 . A control unit 5 is operatively connected to the circuit 4 for controlling the circuit and the valves 2 and 3 connected to the circuit by means of signals. The compressed air is fed through a vent valve 3 and / or a non-return valve 6 for venting to an air tank 8 via a conduit 7 . By means of a sensor 9 in the gas tank 8, which is operatively connected to the control unit 5, the control unit is provided with continuous information about the pressure in the gas tank. A sensor 10 is arranged on a graduated arc 12 for transmitting continuous information to the control unit to calculate the revo...

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PUM

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Abstract

The invention relates to a control method for controlling the gas flow by a compressor in which a volume is expanded during an intake stroke and the intaken volume of gas is compressed and taken out through a non return valve (6) for outflow and / or an operable outlet valve (3) during an evacuation stroke, and in which the compressor has a controllable inlet valve (2) that is pneumatically, hydraulically or electromagnetically operable and that is opened and closed upon basis of a signal from a control system. The inlet valve (2) is kept closed during at least a part of an intake stroke.

Description

technical field [0001] The invention relates to a control method for controlling the gas flow in a compressor, wherein the volume of said compressor is enlarged during the intake stroke, and then the gas with the introduced volume is compressed and passed through an exhaust stroke during the discharge stroke. Drain with non-return valve and / or an operable valve. The compressor has a controllable inlet valve which is either pneumatically, hydraulically or electromagnetically operated and is opened and closed based on a signal from the control system. [0002] This type of compressor is often referred to as a positive displacement compressor, although there are many implementations, the piston compressor is the most common. To take advantage of the advantages of the present invention, the compressor should have a controllable inlet valve. However, it is preferred that the compressor also has a non-return valve for the intake which can be switched off and a controllable dischar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B49/03F04B49/06F04B49/24
CPCF04B49/065F04B49/24F04B49/06F04B49/22F04B53/14F04B49/03F05B2210/12Y10S417/00
Inventor 马茨·赫德曼
Owner CARGINE ENG AB