Two-wheeled charging turbine cooler driven by air dynamic pressure bearing

A technology of aerodynamic pressure bearings and supercharged turbines, which is applied in the direction of non-variable pumps, engine components, combustion engines, etc., can solve the problems of short life and low efficiency of supercharged turbines, and achieve the effect of ensuring starting performance

Active Publication Date: 2021-03-30
GUIZHOU YONGHONG AVIATION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to provide a light-weight and small-sized aerodynamic pressure bearing-driven two-wheel turbocharger, which can replace the existing conventional bearing-driven turbocharger and solve the problem of low efficiency and long service life of the conventional bearing-driven turbocharger. Short, usage issues that require regular maintenance

Method used

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  • Two-wheeled charging turbine cooler driven by air dynamic pressure bearing
  • Two-wheeled charging turbine cooler driven by air dynamic pressure bearing
  • Two-wheeled charging turbine cooler driven by air dynamic pressure bearing

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Embodiment Construction

[0042] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment, but should not be interpreted as that the scope of the subject matter of the present invention is only limited to following embodiment, under the situation of not departing from above-mentioned technical thought of the present invention, all according to this field Various modifications, substitutions and alterations made by ordinary technical knowledge and common means are included in the scope of the present invention.

[0043] Such as figure 1 , in this embodiment, the two-wheel supercharged turbo cooler driven by aerodynamic bearings includes a turbine impeller 1, a compressor impeller 12, a shaft 8, a radial bearing 13, a thrust bearing 15, a bearing sleeve 7, and a tie rod 14 , Nozzle ring 2, diffuser 9, vortex seal assembly 3, pressure seal 10, turbine volute 5, compressor casing 11, one-way valve 16, bearing bleed air pipe 6, bearing support 4....

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Abstract

The invention discloses a two-wheeled charging turbine cooler driven by an air dynamic pressure bearing. Air enters a charging turbine from an inlet of an air compressor, part of the air enters a bearing sleeve from a bearing air guide pipe serving as a guide pipe after entering the turbine to push a rotor to rotate, and the rotor is suspended on an air film by means of the air dynamic pressure effect in the bearing. At the moment that air enters the air compressor, part of the air enters a nozzle opening in a turbine volute through a bypass valve, and the rotor is assisted to be pushed to float rapidly. After the rotor floats, the bypass valve is automatically closed due to the fact that the turbine inlet pressure is higher than the compressor inlet pressure. The air dynamic pressure bearing is adopted for transmission, the rotating speed is high, the efficiency is high, the service life is long, compared with a conventional aviation turbine, no maintenance guarantee is needed in thelife cycle, and the two-wheeled charging turbine cooler is particularly suitable for air conditioner refrigeration of airplanes, helicopter environment control systems and pod environment control systems.

Description

technical field [0001] The invention belongs to the refrigeration equipment in the environmental control system of aircraft and helicopter, and the electronic cooling system, and relates to a two-wheel turbocharger driven by an aerodynamic pressure bearing, which can be applied to air-conditioning refrigeration and electronic equipment in the fields of aviation, ships, and electronics. cool down. Background technique [0002] With the rapid development of aviation technology, the degree of electronicization of aviation equipment has been rapidly improved, and military warfare has entered the era of informationization and electronicization. In order to realize the functions of precise strike, reconnaissance and electronic countermeasures, the equipment is equipped with a large number of electronic devices. Due to the limitation of environmental space, the electronic devices have high integration and high power. Turbine refrigeration is still the first-choice refrigeration eq...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B39/00F02B37/18F04D29/046F04D29/58F04D29/54F01D25/12
CPCF01D25/12F02B37/183F02B39/005F04D29/046F04D29/541F04D29/582Y02T10/12
Inventor 吴永兵管新宇文飞燕童文涛肖云峰黄名越
Owner GUIZHOU YONGHONG AVIATION MACHINERY
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