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Fuel gas flow metering regulating valve

A gas flow, regulating valve technology, applied in combustion engines, internal combustion piston engines, oil supply devices, etc., can solve the problems of insufficient gas combustion, unfavorable engine work efficiency, increased exhaust gas emissions, etc., to achieve high flow calculation accuracy, high Accuracy of flow rate adjustment and the effect of expanding the range of use

Pending Publication Date: 2020-11-13
NO 711 RES INST CHINA SHIPPING HEAVY IND GRP
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the current gas flow control of gas engines, most of them directly use butterfly valves to adjust the gas intake volume, and do not measure the gas flow accurately, which is not conducive to the working efficiency of the engine, insufficient gas combustion, and increased exhaust gas emissions

Method used

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  • Fuel gas flow metering regulating valve
  • Fuel gas flow metering regulating valve

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Embodiment Construction

[0023] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0024] The invention provides a gas flow metering regulating valve, which includes a valve body assembly 1 , a coupling 2 , an electric actuator 3 , an electric control box 4 and a sensor assembly 5 . The valve body assembly 1 includes an air passage 10 and a butterfly valve 11. The sensor assembly 5 is connected to the air passage 10, and the gas flow information collected from the air passage 10 is transmitted to the electric control box 4, and the control unit built in the electric control box 4 calcu...

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Abstract

The invention relates to the technical field of engines and discloses a fuel gas flow metering regulating valve which comprises a valve body component, a coupling, an electric actuator, an electric cabinet and a sensor component; the valve body component comprises an air flue and a butterfly valve; the air flue realizes control over fuel gas intake and fuel gas outlet through the butterfly valve;the butterfly valve is connected with the electric actuator through the coupling; the electric cabinet carries out electric control on the electric actuator; and the sensor component collects gas datainformation in the air flue in real time and transmits the data to the electric cabinet. The fuel gas flow metering regulating valve is suitable for various fuel gas compositions and fuel gas pressure, can realize precise control over fuel gas intake flow rate of the gas engine, and can rapidly regulate the flue gas flow rate to a set value especially on the condition that the engine load changes, and the fuel gas pressure and concentration change, so that the air-fuel ratio of the engine is ensured to be within a stable combustion demand range, and guarantee is provided for stable and safe operation of the gas engine.

Description

technical field [0001] The invention relates to the technical field of engines, in particular to a gas flow metering regulating valve. Background technique [0002] In the current gas flow control of gas engines, most of them directly use butterfly valves to adjust the gas intake volume, and do not measure the gas flow accurately, which is not conducive to the working efficiency of the engine, insufficient gas combustion, and increased exhaust gas emissions. [0003] It is found through prior art retrieval that the Chinese utility model patent publication number is CN208026319U, which discloses a gas flow meter, which includes a casing, a gas flow chamber, a transmission mechanism, a measuring mechanism and a control panel, and the gas flow chamber and the control panel are arranged on the casing Inside; the transmission mechanism includes a diaphragm, the diaphragm is located in the gas flow chamber, one end of the transmission shaft is connected to the diaphragm, the other...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M21/02
CPCF02M21/0218F02M21/0239Y02T10/30
Inventor 金江善王昌庆周思敏王德玉夏天
Owner NO 711 RES INST CHINA SHIPPING HEAVY IND GRP
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