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Air inlet boundary control apparatus of single-cylinder engine and method thereof

A boundary control and engine technology, applied in the field of intake system, can solve the problems of increasing the NOx content of exhaust gas, increasing the heat load of piston, cylinder head and cylinder liner, and increasing the combustion temperature, so as to expand the adjustment range and improve the operation safety Effect

Pending Publication Date: 2017-03-22
NO 711 RES INST CHINA SHIPPING HEAVY IND GRP
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Problems solved by technology

A high intake air temperature will reduce the cylinder charging efficiency, lead to an increase in combustion temperature, increase the heat load on the piston, cylinder head and cylinder liner, and increase the NOx content in the exhaust gas, making the NOx emission prediction value of the single-cylinder engine higher, resulting in Single-cylinder engines are not accurate enough to predict overall machine performance, reliability and emissions

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  • Air inlet boundary control apparatus of single-cylinder engine and method thereof

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Embodiment Construction

[0031] In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that embodiments of the invention may be practiced without one or more of these details. In other examples, in order to avoid confusion with the embodiments of the present invention, some technical features known in the art are not described.

[0032] In order to thoroughly understand the embodiments of the present invention, the detailed structure will be set forth in the following description. Obviously, the practice of the embodiments of the invention is not limited to specific details familiar to those skilled in the art. Preferred embodiments of the present invention are described in detail below, however, the present invention may have other embodiments besides these detailed descriptions.

[0033] According to one aspect of the present invention, an intake boundary c...

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Abstract

The invention relates to an air inlet boundary control apparatus of a single-cylinder engine. The air inlet boundary control apparatus comprises an air compressor, a plate-type heat exchanger, a freezer dryer, an air inlet heater and other components. Under different environment conditions and different operation conditions, the single-cylinder engine acquires a same air inlet temperature with the air inlet temperature of a whole machine. Compared to an existing single-cylinder engine air inlet system, by using the air inlet boundary control apparatus of the single-cylinder engine of the invention, an air inlet temperature adjusting range is large so that the single-cylinder engine can accurately simulate an air inlet boundary condition of the whole machine under the different environment conditions and the different operation conditions, which is good for accurately predicting performance and discharge of the whole machine. In addition, the invention also provides an air inlet boundary control method of the single-cylinder engine.

Description

technical field [0001] The invention relates to an intake system of an engine, in particular to an intake boundary control device and method for a single-cylinder engine. Background technique [0002] The single-cylinder engine has the advantages of simple design and manufacture, strong independence of each parameter during the test, a small number of test pieces to be replaced, and a significant reduction in test cost. It is a commonly used testing machine. In the process of developing a new engine model, it is necessary to screen the component matching scheme and verify the reliability of the main components through the single-cylinder engine test, so as to reduce the test cost and development risk of the whole machine. For large marine engines, due to the high cost of the whole machine and the high cost of testing, it is more important to carry out component development and performance verification tests in advance by simulating the whole machine with a single-cylinder en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M15/02
CPCG01M15/02
Inventor 毛金龙张文正平涛何清林
Owner NO 711 RES INST CHINA SHIPPING HEAVY IND GRP
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