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

Air-oil heat exchanger

A heat exchanger, the main direction technology, applied in the field of air/oil heat exchanger, can solve the problems of interrupting air flow, affecting the performance of turbines, etc., to achieve the effect of increasing heat exchange

Pending Publication Date: 2020-08-25
SAFRAN AERO BOOSTERS SA
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, fins interrupt the flow of air and therefore may affect the performance of the turbine

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-oil heat exchanger
  • Air-oil heat exchanger
  • Air-oil heat exchanger

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0056] In the following description, the terms "inner" and "outer" refer to positioning relative to the axis of rotation of the turbine (the axis of rotation of the compressor of the turbine or the rotor of the turbine). Axial corresponds to a direction along the axis of rotation of the turbine. Radial is perpendicular to the axis of rotation. Upstream and downstream are referred to with reference to the main flow direction of the gas flow in the turbine.

[0057] In the illustrated embodiment, the heat exchanger is curved about an axis coincident with the turbine axis.

[0058] The exchanger defines a main direction of air flow, which in the embodiment shown is parallel to the axis of the turbine. "Axial" and "Main Direction" will be used to describe two identical directions.

[0059] Unless otherwise indicated, length is measured along the axis, width is measured circumferentially, and height is measured radially.

[0060] Thickness is the smallest dimension of a feature...

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

A heat exchanger (42) includes a plurality of fins (45) arranged as a network and delimiting corridors (47), and an envelope having an internal wall(41) and an external wall(42), the internal and external walls delimiting between them a channel for a flow of a first fluid in a main direction(15), the network of fins(45) being arranged in the channel and connected to the internal and external walls(41,42), at least one passage(49) for a flow of a second fluid being embedded in at least one of the internal and external walls(42), the channel being, in the main direction(15), divergent and then convergent.

Description

technical field [0001] The invention relates to the field of turbomachine heat exchangers. More specifically, the present invention provides an air / oil heat exchanger for a turbomachine. Background technique [0002] It is known to use heat exchangers to cool lubricating or cooling oil for turbines. For example, the air flow may pass through a network of fins that dissipate heat from oil in the air flow by conduction / convection. A standard exchanger extends into the air passage, has a series of radially oriented planar fins, and is supported by a hollow tubular wall through which the oil passes. [0003] However, fins interrupt the flow of air, which can affect the performance of the turbine. Therefore, there is a need to improve the design of this type of heat exchanger. Contents of the invention [0004] It is an object of the present invention to provide a heat exchanger which minimizes the aerodynamic losses of the airflow caused by the presence of the exchanger in...

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
IPC IPC(8): F28D21/00F01D25/18F01D25/12
CPCF28D21/00F01D25/18F01D25/12F28D2021/0026F02C7/14F02K3/06F05D2230/31F05D2260/213F05D2300/121F28F13/08F28F1/18F28D1/0233Y02T50/60F01D25/08F28D2001/0286F28D7/0008F28D7/106F28F3/02F28D9/02F05D2260/22141F28F2215/04F28D7/0058F28D2021/0021F28F2265/02F28F2250/02F28D1/0246F01D25/14F28F7/02
Inventor F.克莱耶特B.塞尔韦斯A.费扎斯
Owner SAFRAN AERO BOOSTERS SA