Unlock instant, AI-driven research and patent intelligence for your innovation.

Air-entraining structure for aero-engine bearing sealing

An aero-engine and bearing technology, which is applied in the direction of engine components, machines/engines, and engine lubrication, can solve the problems of difficult adjustment, poor follow-up of state changes, and high sealing pressure, so as to solve the problem of excessive sealing cavity pressure. , the effect of good state follow-up

Active Publication Date: 2022-04-01
AECC SHENYANG ENGINE RES INST
View PDF19 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This bleed air structure can ensure that the sealing temperature meets the design requirements, but the sealing pressure of this structure is too high, it is difficult to adjust, and the state change is not easy to follow

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Air-entraining structure for aero-engine bearing sealing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] 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...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The application belongs to the technical field of aero-engine bearing sealing, and in particular relates to an aero-engine bearing sealing bleed air structure, which includes: an air bleed pipe arranged at the middle stage of the compressor, whose inlet end is bleed from the middle stage of the compressor, After the outlet end passes through the intermediate casing, it is sealed and connected to the sealing part of the middle bearing cavity; the pressure relief pipe is arranged on the pipe body of the air induction pipe located in the intermediate casing, so that the air induction pipe communicates with the main channel. The aero-engine bearing sealing air-inducing structure of the present application connects the air-introducing pipe of the middle bearing chamber with the main flow channel of the intermediate casing, which solves the problem that the sealing chamber pressure is too high and is difficult to adjust, and the state of the sealing chamber pressure is followable good.

Description

technical field [0001] The application belongs to the technical field of aero-engine bearing sealing, and in particular relates to an aero-engine bearing sealing air-inducing structure. Background technique [0002] The bearing plays the role of connecting the static structure and bearing the axial load in the aero-engine. It needs to be lubricated and cooled by continuous supply of lubricating oil to ensure that the bearing is in a good working environment, and the lubricating oil must be limited in a In a relatively closed cavity, sealing the bearing cavity is one of the important functions of the air system. The sealing effect is directly related to whether the lubricating oil will overflow from the bearing cavity, and oil leakage will cause a large amount of lubricating oil consumption , the economic cost increases, and in serious cases, it will cause the lubricating oil to catch fire and threaten the safe operation of the gas turbine. Therefore, whether the design of th...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): F02C7/06F02C7/28
CPCF02C7/06F02C7/28
Inventor 赵义祯柴军生陆海鹰李贺
Owner AECC SHENYANG ENGINE RES INST