Mixer with adjustable air-fuel ratio
A technology of mixer and air-fuel ratio, which is applied to combustion engines, machines/engines, internal combustion piston engines, etc., and can solve problems such as the inability to adjust the ratio of air and gas
Inactive Publication Date: 2020-02-04
CHONGQING GOOGOL ENGINE TECH
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Problems solved by technology
The traditional mixer itself cannot adjust the ratio of air and gas. In order to reduce emissions, gas engines need to adopt lean combustion technology. One of the key technologies to control lean combustion is air-fuel ratio control
Method used
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Embodiment Construction
[0038] In order to further illustrate the structure and function of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments, but it should be understood that the protection scope of the present invention is not limited by specific embodiments.
[0039] see Figure 1 to Figure 13 , the mixer with adjustable air-fuel ratio includes a housing 10, which is provided with an air inlet chamber 11, a gas chamber 12 and an air outlet chamber 13 in sequence from front to back, above the middle part of the housing 10 There is a boss 14, and the boss is provided with a groove 15 communicating with the gas chamber 12. Its outstanding substantive features are:
[0040] A gas inlet 1, which is located on the left side of the housing 10 and communicates with the gas cavity 12;
[0041] A front spool 2, which is arranged in the air intake chamber 11 and the rear end extends into the gas chamber 12, ...
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The invention relates to a mixer with an adjustable air-fuel ratio. The mixer comprises a shell body, a gas inlet, a front valve element, a rear valve element, a rotary barrel and a drive motor. A gasinflow cavity, a gas cavity and a gas outflow cavity are formed in the shell body, and a boss is arranged on the upper face of the middle of the shell body. The gas inlet is formed in the left side face of the shell body and communicates with the gas cavity. The front valve element is arranged in the gas inflow cavity, the rear end of the front valve element stretches into the gas cavity, and multiple radial first-time gas via holes are formed in the circumference of the rear end of the front valve element. The rear valve element is arranged in the gas outflow cavity, the front end of the rear valve element stretches into the gas cavity and is in butt joint with the rear end of the front valve element, and multiple axial second-time gas via holes are formed in the circumference of the rear end of the rear valve element. Multiple first-time gas inlets are formed in the circumference of the front end of the rotary barrel, and multiple second-time gas inlets are formed in a flange at therear end of the rotary barrel. The rotary barrel is arranged at the rear end of the front valve element and the front end of the rear valve element in a matched manner. The drive motor is fixedly connected to one side of the boss. Gas and air can be mixed twice, and the ratio of the gas to the air can be effectively adjusted.
Description
technical field [0001] The invention relates to a gas engine, in particular to a mixer with adjustable air-fuel ratio. Background technique [0002] Mixers are used in gas engines to mix gas and air. The traditional mixer itself cannot adjust the ratio of air and gas. In order to reduce emissions, gas engines need to adopt lean combustion technology. One of the key technologies to control lean combustion is air-fuel ratio control. [0003] Therefore, it is necessary to design a mixer with adjustable air-fuel ratio. In addition, traditional mixers generally use primary mixing, so the gas and air are not mixed uniformly, while the secondary mixing of gas and air can make the gas and air mix more uniform, which is more conducive to the lean combustion of the gas engine. As disclosed in CN205477985U, "a gas engine mixer" includes: a mixer housing and a mixer core arranged in the mixer housing, and the mixer housing is provided with an air inlet, a gas inlet and a gas mixture ...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F02M21/04
CPCF02M21/04Y02T10/30
Inventor 温国生刘地长
Owner CHONGQING GOOGOL ENGINE TECH