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Boosting compensation device of engine

A compensation device, engine technology, applied in engine control, machine/engine, mechanical equipment, etc., can solve the problems of low air intake control accuracy, inability to guarantee air-fuel ratio, and reduce emissions, and achieve the effect of high control accuracy

Active Publication Date: 2012-07-04
GUANGXI YUCHAI MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this supercharging compensation device has defects such as low air intake control accuracy, inability to ensure optimal air-fuel ratio, and low combustion efficiency, which is not conducive to saving fuel and reducing emissions.

Method used

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  • Boosting compensation device of engine
  • Boosting compensation device of engine
  • Boosting compensation device of engine

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Experimental program
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Effect test

Embodiment Construction

[0024] Such as figure 1 As shown, the engine pressurization compensation device of the present invention includes a gas storage bottle 1, a solenoid valve 2 and an intake braking assembly, the intake braking assembly is connected with the intake valve of the engine to control the opening and closing of the intake valve, and the storage The gas cylinder 1 is externally connected to the intake manifold 3 of the engine, the solenoid valve 3 is arranged between the gas storage cylinder 1 and the intake manifold 3, and the opening degree of the solenoid valve 2 is controlled by the solenoid valve control assembly. One end of the intake manifold 3 is connected to an air filter 6 .

[0025] Such as figure 2 As shown, the solenoid valve control assembly includes an intake air temperature sensor 7, an intake air pressure sensor 8 and an engine control unit ECU. The intake air temperature sensor 7 and the intake air pressure sensor 8 are installed in the intake manifold 3. The intake ...

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PUM

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Abstract

The invention discloses a boosting compensation device of an engine, which comprises an air cylinder, an electromagnetic valve and an air inlet braking component; the air inlet braking component is connected with an inlet valve of the engine to control the opening and closing of the inlet valve; the air cylinder is externally connected to an inlet manifold of the engine; the electromagnetic valveis arranged between the air cylinder and the inlet manifold; and the opening degree of the electromagnetic valve is controlled by an electromagnetic valve control component. The boosting compensationdevice has the advantages of boosting and compensating the air input, having high precision, improving the burning efficiency, saving fuel oil and reducing emission and can be applied to a natural aspiration and boosting engine.

Description

technical field [0001] The invention relates to an engine boost compensation device, which is suitable for naturally aspirated and boosted engines. Background technique [0002] At present, the engine is generally boosted by driving the turbine through the exhaust gas, that is, the high-temperature and high-pressure gas discharged from the cylinder drives the turbine and drives the compressor to compress the air, so as to increase the intake air volume to achieve supercharging and compensation, improve combustion efficiency, and increase engine power. However, this supercharging compensation device has defects such as low intake air volume control accuracy, inability to ensure optimal air-fuel ratio, and low combustion efficiency, which is not conducive to saving fuel and reducing emissions. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an engine boost compensation device that compensates the intake air volume ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D41/14
Inventor 林志强陈刚
Owner GUANGXI YUCHAI MASCH CO LTD