A dual fuel switch
A switching switch and dual-fuel technology, which is applied to combustion engines, internal combustion piston engines, machines/engines, etc., can solve the problems of engine flameout, long interruption time, damage to the engine, etc., to improve safety, avoid simultaneous connection, and avoid oil and gas partially mixed effect
Active Publication Date: 2018-12-18
WENLING JENNFENG IND
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Problems solved by technology
There are two independent fuel supply paths in the engine, one of which is the gasoline pipeline, which starts from the fuel tank, passes through the carburetor and finally communicates with the combustion chamber, and the other is the liquefied gas pipeline, which is formed by the liquefied gas tank and decompressed The valve and the low-pressure valve are finally connected to the combustion chamber; when the existing oil-gas engine switches oil and gas, it is necessary to close the connected pipeline first, and then open the pipeline that needs to be opened. Both the gasoline pipeline and the liquefied gas pipeline pass through independent The valve is used to control disconnection or connection, so two operations are required to complete the switch. There is a long intermittent time during the switchover process. At this time, the oil and gas engine is still running, and the fuel supply is interrupted, which may cause the engine to stall. When the two fuel lines are connected at the same time, the engine will be damaged due to the mixture of oil and gas
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[0025] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
[0026] like figure 1 , figure 2As shown, a dual-fuel switch is applied to a dual-fuel engine, including a valve body 1 and a valve stem 2, the valve stem 2 is rotatably arranged in the valve body 1, and the side walls of the valve body 1 are respectively provided with Oil inlet hole 11, oil outlet hole 12, air inlet hole 13 and air outlet hole 14, the dual-fuel engine has a fuel pipeline and a gasoline pipeline respectively, and the oil inlet hole 11 and the oil outlet hole 12 of the valve body 1 are connected on the fuel pipeline , the air inlet hole 13 and the air outlet hole 14 are connected on the gasoline pipeline, and the connection line between the inner end opening of the oil inlet hole 11 and the inner end openi...
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The invention provides a dual-fuel transfer switch and belongs to the technical field of engine switches. According to the dual-fuel transfer switch, the problem that the engine is damaged when two fuel pipelines are simultaneously communicated in the existing engine is solved. The dual-fuel transfer switch comprises a valve body and a valve rod, wherein two switching boards are fixedly connected onto the valve rod; jointing grooves are respectively formed in opposite side faces of the two switching boards; when the jointing groove in one switching board is respectively communicated with an oil inlet hole and an oil outlet hole, the jointing groove in the other switching board is separated from the air inlet hole or the air outlet hole; when the jointing groove in one switching board is respectively communicated with the air inlet hole and the air outlet hole, the jointing groove in the other switching board is separated from the air inlet hole or the air outlet hole. The dual-fuel transfer switch can switch between the two fuel pipelines, so simultaneous communication of the two fuel pipelines is avoided.
Description
technical field [0001] The invention belongs to the technical field of engine switches, and relates to a dual-fuel switching switch. Background technique [0002] As a power output device, the engine is widely used in agricultural and forestry equipment such as agricultural machines and weeding machines. In view of the stronger applicability of the engine, the engine currently has two fuels, gasoline and fuel oil. The operation of switching between oil and gas is required for the type. There are two independent fuel supply paths in the engine, one of which is the gasoline pipeline, which starts from the fuel tank, passes through the carburetor and finally communicates with the combustion chamber, and the other is the liquefied gas pipeline, which is formed by the liquefied gas tank and decompressed The valve and the low-pressure valve are finally connected to the combustion chamber; when the existing oil-gas engine switches oil and gas, it is necessary to close the connecte...
Claims
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IPC IPC(8): F02D19/06
CPCY02T10/30
Inventor 连勇斌陆先高
Owner WENLING JENNFENG IND