Fuel oil nozzle cyclone air flow test bench and test method thereof

An air flow and fuel nozzle technology, which is applied in the field of aerospace engine fuel injection system technology test, can solve the problems of polluted environment, inaccurate test bench test accuracy, and lack of sealing.

Pending Publication Date: 2018-01-09
TIANJIN CHENGLI AVIATION TECH CO LTD
View PDF0 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There has been no good test equipment for aviation kerosene spray angle test. When high-precision control of aviation kerosene atomization test is required, the old-fashioned tester cannot be completed. Therefore, it is very important to develop a new type of test bench
[0003] There are only three similar test benches owned by lar

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
  • Fuel oil nozzle cyclone air flow test bench and test method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0014] In order to further understand the content, features, and effects of the present invention, the following examples are given to illustrate in detail as follows:

[0015] See figure 1 , The present invention includes an external external air source mechanism 1, a working chamber 9 and an exhaust chamber 10 which are sequentially connected through a trachea; the air pipe between the external air source mechanism 1 and the working chamber 9 is provided with a shut-off valve 2, an oil and gas The separator 3, the regulating valve 4-1, the float flow meter 5, the primary pressure fine-tuning assembly and the first pressure gauge 7-1; the air pipe between the working chamber 9 and the exhaust chamber 10 is provided with a secondary pressure fine-tuning Components; the working chamber 9 is provided with a second pressure gauge 7-2; the first-level pressure fine-tuning assembly includes a first-stage regulating valve 4-2 and a first-stage high-precision fine-tuning regulating valv...

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 invention belongs to the technical test field of the fuel injection system of an aerospace engine, and in particular relates to a swirler air flow test bench for a fuel nozzle. It includes an external air source mechanism, a working chamber and an exhaust chamber connected in sequence through the air pipe; the air pipe between the external air source mechanism and the working chamber is provided with a stop valve, an oil-gas separator, a regulating valve, a rotameter, A primary pressure fine-tuning assembly and a first pressure gauge; a secondary pressure fine-tuning assembly is provided on the air pipe between the working chamber and the exhaust chamber; a second pressure gauge is provided on the working chamber; the primary pressure fine-tuning The assembly includes a first-stage regulating valve and a first-stage high-precision fine-tuning regulating valve arranged in parallel; the second-stage pressure fine-tuning assembly includes a second-stage regulating valve and a second-stage high-precision fine-tuning regulating valve arranged in parallel. The present invention also relates to a method for conducting tests using the above-mentioned test bench.

Description

technical field [0001] The invention belongs to the technical test field of aerospace engine fuel injection system, and in particular relates to a swirler air flow test bench for a fuel nozzle, and also relates to a test method using the test bench. Background technique [0002] At present, in the aerospace field, the test benches for engine fuel injection systems are all self-made, and foreign countries have imposed a technical blockade on us. Only professional fuel injection nozzle manufacturers can have such test benches, and politically and technically blockade, making it unavailable in the market. It can only be designed, developed and manufactured by itself. There has been no good test equipment for aviation kerosene spray angle test. When high-precision control of aviation kerosene atomization test is required, the old-fashioned tester cannot be completed. Therefore, it is very important to develop a new type of test bench. [0003] There are only three similar test...

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): G01M13/00G01M15/02G01F1/32
Inventor 马春力陈立王鹏刘献忠但盼亮王德伟
Owner TIANJIN CHENGLI AVIATION TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap