fuel distribution valve
A technology for distributing valves, fuel oil, applied in the field of machinery
Active Publication Date: 2020-08-21
BEIJING POWER MACHINERY INST
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
[0004] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a fuel distribution valve that can solve the above-mentioned problem of stable distribution of fuel flow
Method used
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[0019] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, for purposes of explanation and not limitation, specific details are set forth in order to provide a thorough understanding of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details.
[0020] It should be noted here that, in order to avoid obscuring the present invention due to unnecessary details, only the device structure and / or processing steps closely related to the solution according to the present invention are shown in the drawings, and the steps related to the present invention are omitted. Invent other details that don't really matter.
[0021] figure 1 A schematic structural diagram of a fuel distribution valve provided by an embodiment of the present invention.
[0022] Such as figu...
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The invention relates to the technical field of machinery, and discloses a fuel distribution valve. The fuel distribution valve comprises a shell, a connecting piece, a throttling portion, a bush, a differential pressure valve, an elastic portion, a first channel, a second channel, a third channel and a fourth channel, wherein the connecting piece, the throttling portion, the bush, the differential pressure valve, the elastic portion, the first channel, the second channel, the third channel and the fourth channel are installed in the shell, the throttling portion is arranged in the shell and is fixed through the connecting piece, the pressure difference valve is assembled in the bush and is pressed by the elastic portion in an initial state, the first channel and the second channel are connected through the throttling portion, the first channel communicates with the third channel, the third channel is connected with the fourth channel through the differential pressure valve, a fuel inlet is formed in the first channel, the second channel is provided with a constant-flow outlet, and the fourth channel is provided with an overflow outlet. Therefore, when the supply flow is relativelylarge, constant-flow output can be achieved through a constant-flow path, and the rest flow overflows through an overflow path so that the stable distribution of the fuel flow of the system can be realized.
Description
technical field [0001] The invention relates to the technical field of machinery, in particular to a fuel distribution valve. Background technique [0002] After the fuel in a certain fuel supply adjustment system is pressurized by the supercharging device, one road is divided into two roads to supply oil to the system. When the system flow rate is less than a certain value, one line of fuel is cut off, and the other line is kept open, and all fuel flows are always open for fuel supply; when the system flow rate is greater than or equal to this value, the two lines supply fuel at the same time. However, in such a fuel supply process, as the system pressure or flow changes, adaptive adjustment cannot be performed to keep the fuel flow in a normally open circuit stable. [0003] Therefore, there is a need for a device capable of stably distributing fuel flow. Contents of the invention [0004] The purpose of the present invention is to overcome the disadvantages of the pri...
Claims
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IPC IPC(8): F16K17/22
Inventor 杨佳强葛旭梅黎林林王成
Owner BEIJING POWER MACHINERY INST