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A differential pressure self-adjusting valve

A self-regulating, differential pressure technology, applied in the direction of the charging system, engine components, fuel valves of turbines/propulsion devices, etc., can solve the problem of difficulty in ensuring fuel oil, failure to meet self-regulation functions, and difficulty in ensuring heat dissipation of fuel oil, etc. problem, to achieve the effect of improving heat dissipation potential, reducing thermal limitation, and reducing heat accumulation

Active Publication Date: 2022-03-29
SHENYANG AIRCRAFT DESIGN INST AVIATION IND CORP OF CHINA
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Problems solved by technology

[0003] The valves in the prior art cannot satisfy the self-regulation function of real-time dynamic changes with the engine fuel consumption load, and it is difficult to ensure a constant flow of fuel to dissipate heat for each on-board system through the fuel thermal management system, and it is also difficult to ensure that this part of the fuel is given priority Engine consumes fuel for adequate heat dissipation

Method used

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  • A differential pressure self-adjusting valve
  • A differential pressure self-adjusting valve
  • A differential pressure self-adjusting valve

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Embodiment Construction

[0036] In order to make the purpose, technical solution and advantages of the application more clear, the technical solution in the embodiment of the application will be described in more detail below in conjunction with the drawings in the embodiment of the application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the application. The embodiments described below by referring to the figures are exemplary, and are intended to explain the present application, and should not be construed as limiting the present application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application. Embodiments of the present application will be described in detail below in conjunction with th...

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Abstract

The application belongs to the technical field of aircraft fuel thermal management, and in particular relates to a differential pressure self-regulating valve. Including: housing, base, valve, top cover and piston. The housing has a first connection part, a second connection part and a third connection part, the third connection part has a cavity C, and a base is provided inside the housing; the base is connected to the second connection part, and the base has a cavity B; The valve connecting part of the valve abuts against the base, and the first spring is sleeved on the central shaft; one end of the top cover is connected with the first connecting part of the housing, and the other end is installed with a screw-in pipe joint; the piston head of the piston is set on Inside the first connection part of the housing and against the top cover, a cavity A is formed between the piston head and the screw-in pipe joint, and the piston rod passes through the first through hole of the base and the second through hole of the valve, which The stepped portion abuts against the first spring, the piston is sheathed with a second spring, and the two ends of the second spring are respectively limited by the head of the piston and the base. The present application can self-adjust its opening degree and improve heat dissipation performance.

Description

technical field [0001] The application belongs to the technical field of aircraft fuel thermal management, and in particular relates to a differential pressure self-regulating valve. Background technique [0002] In the technical field of aircraft fuel system thermal management, according to the heat dissipation requirements of on-board hydraulic systems, environmental control and other systems, a fuel heat sink with a relatively constant flow rate is often required to dissipate heat. After passing through various types of heat exchangers to dissipate the heat of each airborne system, the fuel is heated up, according to the design principles of reducing internal heat accumulation, improving the aircraft’s heat dissipation potential, giving priority to engine combustion heat dissipation, and realizing dynamic management of heat sinks. When the fuel consumption rate is high, all the fuel is taken away by the engine combustion; when the fuel consumption rate is low, the excess ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02C7/232
CPCF02C7/232
Inventor 赵营丁磊丁恩良周梓桐常宏亮
Owner SHENYANG AIRCRAFT DESIGN INST AVIATION IND CORP OF CHINA
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