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A heat-insulating runner of a turbine load-bearing casing and an engine having the same

A load-bearing casing and engine technology, applied in the direction of machines/engines, engine components, mechanical equipment, etc., to achieve the effect of satisfying thermal coordination

Active Publication Date: 2019-08-23
AECC SHENYANG ENGINE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a turbine load-bearing case heat insulation runner and an engine with it, to solve or at least alleviate at least one of the problems in the background technology

Method used

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  • A heat-insulating runner of a turbine load-bearing casing and an engine having the same
  • A heat-insulating runner of a turbine load-bearing casing and an engine having the same

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Embodiment Construction

[0022] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below in conjunction with the drawings in the embodiments of the present invention. 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 invention. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below ...

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Abstract

The invention discloses a turbine bearing case heat insulation flowing channel and an engine with the same, and relates to the technical field of engines. The turbine bearing case heat insulation flowing channel includes a first heat insulation plate, a second heat insulation plate, a third heat insulation plate, and a bearing case; a first installation edge and a second installation edge are axially arranged on the bearing case; one end of the first heat insulation plate is fixedly connected to the first installation edge; one end of the second heat insulation plate is in lap connection with the other end of the first heat insulation plate; one end of the third heat insulation plate is fixedly connected to the other end of the second heat insulation plate, and the other end of the third heat insulation plate is fixedly connected to the second installation edge; and the first heat insulation plate, the second heat insulation plate, the third heat insulation plate and the bearing case form a cooling cavity. The advantages of the invention are that the first heat insulation plate and the second heat insulation plate are in lap connection, the axial heat coordination of the case can be met, cooling of the bearing case is achieved, and the service life of the bearing case can be improved.

Description

technical field [0001] The invention relates to the technical field of engines, in particular to a heat-insulating runner of a turbine load-bearing casing and an engine having the same. Background technique [0002] The inner ring, outer ring and connecting support plate of the aero-engine turbine load-bearing casing are mostly integrated casting structures, and the load-bearing casing that bears thermal stress and maneuvering load at the same time is one of the weakest structures of the engine. Due to the smoothness of the flow channel, thermal deformation coordination, assemblability and structural size limitations, the connection between the inner ring and outer ring heat insulation runner of the load-bearing casing and the mounting edge of the casing, as well as the inner ring and outer ring heat insulation flow path The connection with the heat shield of the support plate is mostly an overlapping structure, and most of them adopt a circumferential segmented structure, w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01D25/14F01D11/00
Inventor 陈浩杨利宁程瑞罡傅依顺袁昌刘志江
Owner AECC SHENYANG ENGINE RES INST
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