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Gas inlet connecting pipe assembly and natural gas engine comprising same

A technology for intake pipes and components, which is applied to engine components, combustion engines, machines/engines, etc., to achieve the effects of reducing the number of parts, saving overall costs, and high overall aesthetics

Pending Publication Date: 2019-12-10
GUANGXI YUCHAI MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an air intake pipe assembly and its natural gas engine, aiming at solving the problem of uniform intake air mixing and more compact structure in the prior art

Method used

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  • Gas inlet connecting pipe assembly and natural gas engine comprising same
  • Gas inlet connecting pipe assembly and natural gas engine comprising same
  • Gas inlet connecting pipe assembly and natural gas engine comprising same

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0025] In an embodiment of the present invention, an intake pipe assembly is provided, such as figure 1 As shown, it includes: pipeline body 100, pipeline body 100 is provided with pipeline joint 101, elbow 102 and straight pipe 103, one end of pipeline joint 101 is connected with one end of elbow 102, and the end of pipeline joint 101 The other end is connected with the engine, and the other end of the curved pipe 102 is connected with one end of the straight pipe 103, and the other end of the straight pipe 103 is used for sucking air;

[0026] The straight pipe 103 is also provided ...

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Abstract

The invention provides a gas inlet connecting pipe assembly and a natural gas engine comprising the same. The gas inlet connecting pipe assembly comprises a pipe body. A pipe joint, an elbow pipe anda straight pipe are arranged on the pipe body. One end of the pipe joint is connected with one end of the elbow pipe. The other end of the elbow pipe is connected with one end of the straight pipe. The straight pipe is further provided with a mixer and a throttle valve which communicate with the straight pipe. A natural gas inlet pipe is further arranged on the mixer. One end of the natural gas inlet pipe communicates with the mixer and is fixedly connected with the mixer. According to the gas inlet connecting pipe assembly and the natural gas engine comprising the same provided by the invention, a turbulent flow mixing function is directly integrated into a gas inlet connecting pipe, the function is achieved, the number of parts is decreased, the overall cost is saved, the mixing functionis more reliable in a casting or welding technological mode, and the gas leakage risk is lowered.

Description

technical field [0001] The invention belongs to the technical field of engine pipelines, and in particular relates to an intake pipe assembly and a natural gas engine thereof. Background technique [0002] At present, the natural gas engine that adopts the single-point injection scheme relies on the mixer to achieve the mixing of air and natural gas. The mixer is generally arranged after the electronic throttle valve. Air and natural gas are mixed in the mixer, and the mixed gas then enters through the intake pipe. to each cylinder of the engine. Due to the technical level of the mixer or the limitation of the layout of the gas supply system, the mixing uniformity is often insufficient, that is, the air and natural gas cannot be fully mixed. [0003] For example, the Chinese utility model patent with the publication number CN206972406U discloses a diesel engine air intake pipe, which includes an air intake pipe body, an exhaust gas guide pipe and an intake mixer. Channel a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M35/10F02M21/04F02M29/02F02M29/04F02M21/02
CPCF02M35/10091F02M35/10242F02M35/1015F02M21/04F02M29/02F02M29/04F02M21/0215Y02T10/30
Inventor 林鹏慧朱雄曾黎
Owner GUANGXI YUCHAI MASCH CO LTD
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