CN105888847B - A kind of small Micro Turbine Jet Engine - Google Patents

A kind of small Micro Turbine Jet Engine Download PDF

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Publication number
CN105888847B
CN105888847B CN201610329342.7A CN201610329342A CN105888847B CN 105888847 B CN105888847 B CN 105888847B CN 201610329342 A CN201610329342 A CN 201610329342A CN 105888847 B CN105888847 B CN 105888847B
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CN
China
Prior art keywords
decorative pattern
slot type
bearing
type decorative
jet engine
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Application number
CN201610329342.7A
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Chinese (zh)
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CN105888847A (en
Inventor
罗立峰
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Individual
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Individual
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Priority claimed from PCT/CN2015/079232 external-priority patent/WO2016183786A1/en
Priority claimed from PCT/CN2015/079234 external-priority patent/WO2016183788A1/en
Application filed by Individual filed Critical Individual
Priority to PCT/CN2016/082712 priority Critical patent/WO2016184415A1/en
Publication of CN105888847A publication Critical patent/CN105888847A/en
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Publication of CN105888847B publication Critical patent/CN105888847B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/04—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump
    • F02B37/10—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump at least one pump being alternatively or simultaneously driven by exhaust and other drive, e.g. by pressurised fluid from a reservoir or an engine-driven pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/06—Arrangements of bearings; Lubricating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
    • F16C32/0603—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a gas cushion, e.g. an air cushion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F16C17/024—Sliding-contact bearings for exclusively rotary movement for radial load only with flexible leaves to create hydrodynamic wedge, e.g. radial foil bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B41/00—Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
    • F02B41/02—Engines with prolonged expansion
    • F02B41/10—Engines with prolonged expansion in exhaust turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/0563—Bearings cartridges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F16C17/026—Sliding-contact bearings for exclusively rotary movement for radial load only with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone grooves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/042—Sliding-contact bearings for exclusively rotary movement for axial load only with flexible leaves to create hydrodynamic wedge, e.g. axial foil bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Support Of The Bearing (AREA)
  • Motor Or Generator Frames (AREA)
  • Supercharger (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

The invention discloses a kind of small Micro Turbine Jet Engine, it includes turbine, compressor, rotating shaft, 2 journal bearings, 1 thrust bearing and combustion chamber, the journal bearing is hybrid kinetic pressure gas journal bearing, the thrust bearing is hybrid kinetic pressure gas thrust bearing, the combustion chamber is set in the middle part of rotating shaft, 2 journal bearings are respectively sleeved in the rotating shaft in combustion chamber, and the thrust bearing is set in the rotating shaft between combustion chamber and pinch roller.Present invention can be implemented in the ultrahigh speed steady running under air supporting state, for equal-wattage requirement, the volume of turbojet engine can be made to be substantially reduced realization miniaturization.

Description

A kind of small Micro Turbine Jet Engine
Technical field
The present invention is to be related to a kind of small Micro Turbine Jet Engine, belongs to high-accuracy field of mechanical technique.
Background technology
The principle of turbojet engine is to be gone air from air inlet inspiration using compressor, and air is compressed into combustion chamber In, atomizer sprays the oil plant of atomization to combustion chamber, and igniter lights the pressure-air after compression and mist of oil mixed gas, Mixed gas burning expansion, promote turbine rotation, after the turbine of rotation drives compressor mixture combustion to expand through turbine, combustion Gas after burning sprays from puff prot, so as to produce thrust.Wherein compressor is fixedly installed on axis with turbo blade, is calmed the anger Machine, turbo blade, axis form assembly rotary type be arranged in engine casing, for realize to compressor, turbo blade, in Axle forms the rotational support of assembly, and bearing is provided with described axis；Due to thrust-weight ratio and physical dimension inversely, it is right In small-size turbojet engine, to realize big thrust loading, it is necessary to which bearing can realize ultrahigh speed steady running, but traditional oils system bearing There is limit speed, when rotating shaft rotating speed oversteps the extreme limit rotating speed, bearing temperature rise can be made high, bearing is easily damaged failure, with Commercial Application is caused to be limited to, it is impossible to meet current miniaturization requirement.
The content of the invention
In view of the above-mentioned problems existing in the prior art, it is an object of the invention to provide it is a kind of can long-time steady operation it is small Micro Turbine Jet Engine.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of small Micro Turbine Jet Engine, including turbine, compressor, rotating shaft, 2 journal bearings, 1 thrust bearing and Combustion chamber, the turbine include turbine, turbine fluid director of machine and turbine cylinder, and the compressor includes pinch roller, compressor Diffuser and compressor housings；It is characterized in that：The journal bearing is hybrid kinetic pressure gas journal bearing, including outside bearing Set, bearing inner sleeve and the foil-type elastic component being arranged between bearing outside and inner sleeve；The thrust bearing is hybrid action pneumatic Body thrust bearing, including two side panels and the mid-game that is folded between two side panels, are all provided between each side panel and mid-game There is foil-type elastic component；The combustion chamber is set in the middle part of rotating shaft, and 2 journal bearings are respectively sleeved to be turned in combustion chamber On axle, the thrust bearing is set in the rotating shaft between combustion chamber and pinch roller.
As further embodiment, described small Micro Turbine Jet Engine also include turbine machine support, machine support of calming the anger, Rotating shaft set, bearing holder (housing, cover) and left bearing room end cap and right bearing room end cap, the rotating shaft set are set in rotating shaft, journal bearing and only Thrust bearing is set in rotating shaft set, and the bearing holder (housing, cover) is set in the outside of journal bearing and thrust bearing；Turbine cylinder with Turbine machine support is fixedly connected, and turbine machine support is fixedly connected with the housing of combustion chamber, turbine machine support and turbine fluid director of machine It is fixedly connected, turbine fluid director of machine is fixedly connected with left bearing room end cap；Compressor housings are fixedly connected with machine support of calming the anger；Pressure Mechanism of qi support is fixedly connected with the housing of combustion chamber, and machine support of calming the anger is fixedly connected with compressor diffuser, compressor diffuser It is fixedly connected with right bearing room end cap.
Preferably, the surface of the rotating shaft offers radiating helicla flute, in favor of rotating shaft and the radiating of bearing chamber.
Preferably, the outer circumference surface of the bearing inner sleeve and both ends of the surface are respectively provided with the slot type decorative pattern of regular shape.
As further preferred scheme, the slot type decorative pattern of the end face of the bearing inner sleeve and the slot type decorative pattern of other end Form specular, and the radial profile of the axial profile line of the slot type decorative pattern of outer circumference surface and the slot type decorative pattern of both ends of the surface It is respectively formed and corresponds and mutually join.
As further preferred scheme, the high bit line in axial direction and two in the slot type decorative pattern of the outer circumference surface of the bearing inner sleeve The high bit line of radial direction in the slot type decorative pattern of end face is homogeneously corresponded to and mutually joined before the peripheral chamfer of end face；The groove of outer circumference surface Axial neutrality line in formula decorative pattern is corresponding with the radial direction neutrality line in the slot type decorative pattern of both ends of the surface and in end face peripheral chamfer Preceding mutually handing-over；Axial low-bit line in the slot type decorative pattern of outer circumference surface and the radial direction low-bit line in the slot type decorative pattern of both ends of the surface are equal It is corresponding and mutually join before the peripheral chamfer of end face.
As further preferred scheme, in the mating surface for the foil-type elastic component that the outer circumference surface with bearing inner sleeve is engaged Provided with wear-resistant coating.
As further preferred scheme, the fit clearance of described foil-type elastic component and bearing inner sleeve for 0.003~ 0.008mm。
As further preferred scheme, the both ends of described foil-type elastic component are each attached to the inner peripheral wall of bearing outside On.
As further preferred scheme, described foil-type elastic component is multiple and uniform along the inner peripheral wall of bearing outside Distribution.
As further preferred scheme, the neck for being used for fixing foil-type elastic component is provided with the inner peripheral wall of bearing outside.
As further preferred scheme, only ring is provided with the both ends of bearing outside.
Preferably, there is coaxial through hole and shrinkage pool, described through hole position on the excircle of the bearing outside In in coaxial shrinkage pool, in favor of the importing and export of gas, on the one hand realize that quick heat radiating is vented, another side is realized to bearing Indoor carry out air supply.
Preferably, the both ends of the surface of the mid-game are equipped with the slot type decorative pattern of regular shape, and the slot type of end face Decorative pattern and the slot type decorative pattern of other end form specular.
Preferably, slot type decorative pattern, and the slot type decorative pattern of outer circumference surface also are provided with the outer circumference surface of the mid-game Shape it is identical with the shape of the slot type decorative pattern of both ends of the surface, and the axial profile line and both ends of the surface of the slot type decorative pattern of outer circumference surface Slot type decorative pattern radial profile be respectively formed correspond and mutually join.
As further preferred scheme, the groove of the high bit line in axial direction and both ends of the surface in the slot type decorative pattern of the outer circumference surface of mid-game The high bit line of radial direction in formula decorative pattern is homogeneously corresponded to and mutually joined before the peripheral chamfer of end face；In the slot type decorative pattern of outer circumference surface Axial neutrality line it is corresponding with the radial direction neutrality line in the slot type decorative pattern of both ends of the surface and mutually handed over before the peripheral chamfer of end face Connect；Axial low-bit line in the slot type decorative pattern of outer circumference surface is corresponding with the radial direction low-bit line in the slot type decorative pattern of both ends of the surface, And mutually join before the peripheral chamfer of end face.
As further preferred scheme, wear-resistant coating is provided with the mating surface for the foil-type elastic component being engaged with mid-game.
As further preferred scheme, the fit clearance of the foil-type elastic component and mid-game is 0.003~0.008mm.
As further preferred scheme, at least one end of the foil-type elastic component is fixed on the inner face of corresponding side panel.
As further preferred scheme, the foil-type elastic component on each side panel is multiple and uniform along the inner face of side panel Distribution.
As further preferred scheme, the foil-type elastic component being fixed on a side panel is with being fixed on another side panel Foil-type elastic component forms specular.
As further preferred scheme, the neck for being used for fixing foil-type elastic component is provided with the inner face of side panel.
As a kind of embodiment, described foil-type elastic component is made up of ripple paper tinsel peace paper tinsel, the arc convex of the ripple paper tinsel Top fits with flat paper tinsel.
As another embodiment, described foil-type elastic component is made up of ripple paper tinsel peace paper tinsel, between the ripple arch of the ripple paper tinsel Transition base fits with flat paper tinsel.
As another embodiment, described foil-type elastic component is made up of two flat paper tinsels.
Above-mentioned slot type decorative pattern is impeller shape.
Above-mentioned foil-type elastic component is preferably through Surface heat-treatent.
Compared with prior art, the present invention has the advantages that：
It is the lubricant using gas as bearing because of turbojet engine provided by the present invention, therefore not only has without dirt Dye, many advantages, such as friction loss is low, usage time is long, applied widely, energy-conserving and environment-protective, and the structure is used, radiating Effect is good, it is ensured that long-time steady operation；Especially, because the air bearing of the structure can realize surpassing under air supporting state High speed steady running (after tested, reachable 100,000~450,000rpm limit speed), therefore required for equal-wattage, The present invention can make the volume of turbojet engine be substantially reduced realization miniaturization, have the advantages that to occupy little space, be easy to use, right Promoting the development of miniaturization new and high technology has important value, has conspicuousness progress relative to prior art.
Brief description of the drawings
Fig. 1 is a kind of cross-sectional view for small Micro Turbine Jet Engine that embodiment 1 provides；
Fig. 2 is the left view stereochemical structure signal of the local segmentation for the hybrid kinetic pressure gas journal bearing that embodiment 1 provides Figure；
Fig. 3 is the A partial enlarged drawings in Fig. 2；
Fig. 4 is that the right side of the local segmentation for the hybrid kinetic pressure gas journal bearing that embodiment 1 provides is illustrated regarding stereochemical structure Figure；
Fig. 5 is the B partial enlarged drawings in Fig. 4；
Fig. 6 is the cross-sectional view for the hybrid kinetic pressure gas journal bearing that embodiment 1 provides；
Fig. 7 is the C partial enlarged drawings in Fig. 6；
Fig. 8 is the D partial enlarged drawings in Fig. 7；
Fig. 9 is the cross-sectional view for the hybrid kinetic pressure gas thrust bearing that embodiment 1 provides；
Figure 10 a are the left views of mid-game described in embodiment 1；
Figure 10 b are the right views of mid-game described in embodiment 1；
Figure 11 a are the right views of the left hand plate for being fixed with foil-type elastic component described in embodiment 1；
Figure 11 b are the left views of the right side disk for being fixed with foil-type elastic component described in embodiment 1；
Figure 12 is the cross section structure schematic diagram for the foil-type elastic component that embodiment 1 provides；
Figure 13 is the dimensional structure diagram for the foil-type elastic component that embodiment 1 provides；
Figure 14 is a kind of cross-sectional view for hybrid kinetic pressure gas journal bearing that embodiment 2 provides；
Figure 15 is the structural representation of Figure 14 medium wave paper tinsels；
Figure 16 is a kind of cross-sectional view for hybrid kinetic pressure gas journal bearing that embodiment 3 provides；
Figure 17 is a kind of cross-sectional view for hybrid kinetic pressure gas journal bearing that embodiment 4 provides；
Figure 18 a are a kind of left view dimensional structure diagrams for hybrid kinetic pressure gas thrust bearing that embodiment 5 provides；
Figure 18 b are that the right side for the hybrid kinetic pressure gas thrust bearing that embodiment 5 provides regards dimensional structure diagram；
Figure 19 is the local segmentation dimensional structure diagram for the hybrid kinetic pressure gas thrust bearing that embodiment 5 provides；
Figure 20 is the left view dimensional structure diagram of mid-game described in embodiment 5；
Figure 21 is the E partial enlarged drawings in Figure 20；
Figure 22 is that the right side of mid-game described in embodiment 5 regards dimensional structure diagram；
Figure 23 is the F partial enlarged drawings in Figure 22；
Figure 24 is the pivot structure schematic diagram that embodiment 6 is provided；
Figure 25 is the G partial enlarged drawings in Figure 24.
Label is schematically as follows in figure：
1st, turbine；11st, turbine；12nd, turbine fluid director of machine；13rd, turbine cylinder；14th, turbine machine support；2nd, calm the anger Machine；21st, pinch roller；22nd, compressor diffuser；23rd, compressor housings；24th, calm the anger machine support；3rd, rotating shaft；31st, rotating shaft set；32nd, dissipate Hot helicla flute；4th, hybrid kinetic pressure gas journal bearing；4a, left end journal bearing；4b, right-hand member journal bearing；41st, outside bearing Set；411st, neck；412nd, through hole；413rd, shrinkage pool；42nd, bearing inner sleeve；43rd, slot type decorative pattern；431st, the slot type decorative pattern of outer circumference surface； 4311st, the high bit line in axial direction；4312nd, axial neutrality line；4313rd, axial low-bit line；432nd, the slot type decorative pattern of left side；4321st, footpath To high bit line；4322nd, radial direction neutrality line；4323rd, radial direction low-bit line；433rd, the slot type decorative pattern of right side；4331st, it is radially high-order Line；4332nd, radial direction neutrality line；4333rd, radial direction low-bit line；44th, ring is stopped；45th, foil-type elastic component；451st, ripple paper tinsel；4511st, arc is convex Rise；4512nd, transition base between ripple arch；452nd, flat paper tinsel；453rd, wear-resistant coating；5th, hybrid kinetic pressure gas thrust bearing；51st, side Disk；511st, left hand plate；512nd, right side disk；513rd, neck；52nd, mid-game；521st, the slot type decorative pattern of left side；5211st, it is radially high-order Line；5212nd, radial direction neutrality line；5213rd, radial direction low-bit line；522nd, the slot type decorative pattern of right side；5221st, the high bit line of radial direction；5222、 Radial direction neutrality line；5223rd, radial direction low-bit line；523rd, the slot type decorative pattern of outer circumference surface；5231st, the high bit line in axial direction；5232nd, in axial direction Bit line；5233rd, axial low-bit line；53rd, foil-type elastic component；53a, the foil-type elastic component being fixed in left hand plate；53b, it is fixed on Foil-type elastic component on the disk of right side；531st, ripple paper tinsel；5311st, arc convex；5312nd, transition base between ripple arch；532nd, flat paper tinsel；6th, fire Burn room；61st, the housing of combustion chamber；7th, bearing holder (housing, cover)；8a, left bearing room end cap；8b, right bearing room end cap.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is described in detail to technical scheme.
Embodiment 1
As shown in Figure 1：A kind of small Micro Turbine Jet Engine that the present embodiment provides, including turbine 1, compressor 2, rotating shaft 3rd, 2 journal bearings, 4,1 thrust bearings 5 and combustion chamber 6, the turbine 1 include turbine 11, turbine fluid director of machine 12 and whirlpool Turbine housing 13, the compressor 2 include pinch roller 21, compressor diffuser 22 and compressor housings 23；It is characterized in that：It is described Journal bearing 4 is hybrid kinetic pressure gas journal bearing, including bearing outside 41 and bearing inner sleeve 42；The thrust bearing 5 is Hybrid kinetic pressure gas thrust bearing, including two side panels 51 and the mid-game 52 that is folded between two side panels, in each side Foil-type elastic component 53 is equipped between disk 51 and mid-game 52；The combustion chamber 6 is set in the middle part of rotating shaft 3,2 journal bearings 4 It is respectively sleeved in the rotating shaft 3 in combustion chamber 6, the thrust bearing 5 is set in be turned between combustion chamber 6 and pinch roller 21 On axle 3.
Described small Micro Turbine Jet Engine also includes turbine machine support 14, machine support 24 of calming the anger, rotating shaft set 31, bearing holder (housing, cover) 7 and left bearing room end cap 8a and right bearing room end cap 8b, the rotating shaft set 31 are set in rotating shaft 3, journal bearing 4 and thrust shaft Hold 5 to be set in rotating shaft set 31, the bearing holder (housing, cover) 7 is set in the outside of journal bearing 4 and thrust bearing 5；Turbine cylinder 13 are fixedly connected with turbine machine support 14, and turbine machine support 14 is fixedly connected with the housing 61 of combustion chamber 6, turbine machine support 14 with Turbine fluid director of machine 12 is fixedly connected, and turbine fluid director of machine 12 is fixedly connected with left bearing room end cap 8a；Compressor housings 23 with Machine support 24 of calming the anger is fixedly connected；Machine support 24 of calming the anger is fixedly connected with the housing 61 of combustion chamber 6, and machine support 24 of calming the anger is with calming the anger Machine diffuser 22 is fixedly connected, and compressor diffuser 22 is fixedly connected with right bearing room end cap 8b.
With reference to shown in Fig. 2 to Fig. 5：The outer circumference surface of the bearing inner sleeve 42 and left and right end face are respectively provided with regular shape Slot type decorative pattern 43 (431,432 and 433 in such as figure, the slot type decorative pattern in the present embodiment is impeller shape), and left side Slot type decorative pattern 432 and the slot type decorative pattern 433 of right side form specular.Positioned at the slot type flower of the outer circumference surface of bearing inner sleeve 42 The radial profile of the axial profile line of line 431 and the slot type decorative pattern (432 and 433) of left and right end face is respectively formed one-to-one corresponding simultaneously Mutually handing-over, i.e.,：The high bit line 4311 in axial direction and the slot type decorative pattern (432 of left and right end face in the slot type decorative pattern 431 of outer circumference surface It is corresponding and mutually join before the peripheral chamfer of end face with the high bit line of radial direction (4321 and 4331) in 433)；Outer circumference surface Slot type decorative pattern 431 in axial neutrality line 4312 and left and right end face slot type decorative pattern (432 and 433) in radial direction neutrality line (4322 and 4332) are corresponding and mutually join before the peripheral chamfer of end face；Axial direction in the slot type decorative pattern 431 of outer circumference surface Low-bit line 4313 is corresponding with the radial direction low-bit line (4323 and 4333) in the slot type decorative pattern (432 and 433) of left and right end face, And mutually join before the peripheral chamfer of end face.
Slot type decorative pattern (431,432 and of regular shape are respectively provided with by the outer circumference surface and both ends of the surface that make bearing inner sleeve 42 433), the slot type decorative pattern 432 of left side and the slot type decorative pattern 433 of right side form the slot type decorative pattern of specular and outer circumference surface The radial profile of 431 axial profile line and the slot type decorative pattern (432 and 433) of left and right end face is respectively formed one-to-one corresponding and phase Mutually handing-over, it is ensured that pressurization gas caused by the slot type decorative pattern (432 and 433) of the impeller shape of both ends of the surface from axle center radially Conveyed in the recess channels constantly formed toward the slot type decorative pattern 431 of outer circumference surface, the axle so that the stronger support of formation runs at high speed Required air film is held, and air film is the lubricant as kinetic pressure gas journal bearing, therefore be advantageously implemented described hybrid dynamic Press high speed steady running of the gas lubricated journal bearing 4 under air supporting state.
In addition, when setting only ring 44 respectively at the both ends of bearing outside 41, may be implemented under the drive of revolution at a high speed axle, Make the both ends of the surface of bearing inner sleeve 42 and only between ring 44 produce self sealing action, the kinetic pressure gas for enabling slot type decorative pattern to continuously generate is complete Closed well to be stored in the whole fit clearance of bearing, fully ensuring that the lubrication of the kinetic pressure gas journal bearing to run at high speed needs Will.
With reference to shown in Fig. 6 and Fig. 7：Described foil-type elastic component 45 is arranged between bearing outside 41 and inner sleeve 42, is to adopt Formed with the peaceful paper tinsel 452 of ripple paper tinsel 451, the top of the arc convex 4511 of the ripple paper tinsel 451 fits with flat paper tinsel 452, the ripple Transition base 4512 and the inner peripheral wall of bearing outside 41 fit between the ripple arch of paper tinsel 451.In the inner peripheral wall of bearing outside 41 Provided with the neck 411 for fixing the both ends of foil-type elastic component 45, the neck 411 is corresponding with the quantity of foil-type elastic component 45, And it is uniformly distributed along the inner peripheral wall of bearing outside 41.
As shown in Figure 8：The foil-type elastic component 45 that the outer circumference surface with bearing inner sleeve 42 is engaged mating surface (i.e.：Structure Into the inner surface of the flat paper tinsel 452 of foil-type elastic component 45) wear-resistant coating 453 is provided with, reduce the bearing to run at high speed with further Abrasion of the inner sleeve 42 to foil-type elastic component 45, extend the service life of bearing.
The fit clearance of described foil-type elastic component 45 and bearing inner sleeve 42 is preferably 0.003~0.008mm, with further Ensure the reliability and stability that bearing runs at high speed.
As shown in Figure 9：A kind of hybrid kinetic pressure gas thrust bearing 5 that the present embodiment provides, including：Two side panels 51, Mid-game 52 is folded between two side panels 51, foil-type elastic component 53 is provided between each side panel 51 and mid-game 52；In described The left side of disk 52 is provided with the slot type decorative pattern 521 of regular shape, and right side is provided with the slot type decorative pattern 522 of regular shape.
It is visible with reference to Figure 10 a and Figure 10 b：The slot type decorative pattern 521 of the left side of the mid-game 52 is spent with the slot type of right side Form specular between line 522, the radial profile of the slot type decorative pattern 521 of left side and the slot type decorative pattern 522 of right side Radial profile, which is formed, to be corresponded.
Described slot type decorative pattern 521 is identical with 522 shape, is impeller shape in the present embodiment.
It is visible further combined with Figure 11 a and Figure 11 b：The foil-type elastic component 53 is fixed on the inner face of corresponding side panel 51 (such as the left hand plate 511 for being fixed with foil-type elastic component 53a shown in Figure 11 a and foil-type elastic component is fixed with shown in Figure 11 b 53b right side disk 512), and the foil-type elastic component 53a being fixed in left hand plate 511 and the foil-type bullet being fixed on the disk 512 of right side Property part 53b form specular.Foil-type elastic component on each side panel can be multiple (being shown in the figure 4), and along side The inner face of disk is uniformly distributed.
By setting foil-type elastic component 53 between side panel 51 and mid-game 52, rule is set in the left and right end face of mid-game 52 The slot type decorative pattern (521 and 522) of shape, and the slot type decorative pattern 521 of left side is formed mirror image with the slot type decorative pattern 522 of right side Symmetrically, so as to having obtained the not only rigidity characteristic of the high limit rotating speed with slot type kinetic pressure gas thrust bearing but also with paillon foil formula The hybrid kinetic pressure gas thrust bearing of the high impact-resistance of kinetic pressure gas thrust bearing and the flexible characteristic of load-carrying ability；Cause Wedge shape space is formd between foil-type elastic component 53 and mid-game 52, when mid-game 52 rotates, gas is because of the viscous effect of its own It is driven and is compressed in wedge shape space, so as to been significantly enhanced axial hydrodynamic power, relative to existing simple paper tinsel Chip kinetic pressure gas thrust bearing, there can be the limit speed being multiplied under same load；Simultaneously as add foil-type Elastic component 53, under its elastic reaction, it can also make load-carrying ability, impact resistance and the ability of suppression axle whirling motion of bearing notable Improve, relative to existing simple slot type kinetic pressure gas thrust bearing, there can be the shock resistance being multiplied under same rotational speed Ability and load-carrying ability.
Further to reduce abrasion of the mid-game 52 to run at high speed to foil-type elastic component 53, to extend the use longevity of bearing Life, wear-resistant coating (not shown) is set preferably in the mating surface for the foil-type elastic component 53 being engaged with mid-game 52.
As shown in Figure 12 and Figure 13：Foil-type elastic component 45/53 described in the present embodiment is by 451/531 peaceful paper tinsel of ripple paper tinsel 452/532 composition, the top of the arc convex 4511/5311 of the ripple paper tinsel 451/531 fits with flat paper tinsel 452/532.
Embodiment 2
As shown in figure 14, the foil-type elastic component 45 described in the present embodiment is made up of the peaceful paper tinsel 452 of ripple paper tinsel 451, the ripple paper tinsel The top of 451 arc convex 4511 and the inner peripheral wall of bearing outside 41 fit, transition bottom between the ripple arch of the ripple paper tinsel 451 Side 4512 fits with flat paper tinsel 452.
Figure 15 show the structural representation of the ripple paper tinsel 451.
Embodiment 3
As shown in figure 16, the foil-type elastic component 45 described in the present embodiment is made up of two flat paper tinsels 452.
Embodiment 4
As shown in figure 17, a kind of slot type kinetic pressure gas journal bearing and the difference of embodiment 1 that the present embodiment provides only exist In：There is coaxial through hole 411 and shrinkage pool 412, described through hole 411 is located at coaxial on the excircle of the bearing outside 41 In shrinkage pool 412, in favor of the importing and export of gas, on the one hand realize that quick heat radiating is vented, another side is realized in bearing chamber Carry out air supply.
Embodiment 5
A kind of hybrid kinetic pressure gas thrust bearing visible with reference to shown in Figure 18 a, 18b, 19 to 23, that the present embodiment provides With differing only in for embodiment 1：
Slot type decorative pattern 523, and the shape of the slot type decorative pattern 523 of outer circumference surface also are provided with the outer circumference surface of the mid-game 52 (being impeller shape in the present embodiment) identical with the shape of the slot type decorative pattern (521 and 522) of left and right end face, and excircle The radial profile of the axial profile line of the slot type decorative pattern 523 in face and the slot type decorative pattern (521 and 522) of left and right end face is respectively formed Correspond and mutually join；I.e.：
The high bit line 5231 in axial direction in the slot type decorative pattern 523 of outer circumference surface and the radial direction in the slot type decorative pattern 521 of left side High bit line 5211 is corresponding and mutually joins before the peripheral chamfer of end face；In axial direction in the slot type decorative pattern 523 of outer circumference surface Bit line 5232 it is corresponding with the radial direction neutrality line 5212 in the slot type decorative pattern 521 of left side and before the peripheral chamfer of end face phase Mutually handing-over；Axial low-bit line 5233 in the slot type decorative pattern 523 of outer circumference surface is low with the radial direction in the slot type decorative pattern 521 of left side Bit line 5213 is corresponding and mutually joins (as shown in figure 21) before the peripheral chamfer of end face；
The high bit line 5231 in axial direction in the slot type decorative pattern 523 of outer circumference surface and the radial direction in the slot type decorative pattern 522 of right side High bit line 5221 is corresponding and mutually joins before the peripheral chamfer of end face；In axial direction in the slot type decorative pattern 523 of outer circumference surface Bit line 5232 it is corresponding with the radial direction neutrality line 5222 in the slot type decorative pattern 522 of right side and before the peripheral chamfer of end face phase Mutually handing-over；Axial low-bit line 5233 in the slot type decorative pattern 523 of outer circumference surface is low with the radial direction in the slot type decorative pattern 522 of right side Bit line 5223 is corresponding and mutually joins (as shown in figure 23) before the peripheral chamfer of end face.
When the outer circumference surface in the mid-game 52 also is provided with slot type decorative pattern, and make the shape of the slot type decorative pattern 523 of outer circumference surface Shape is identical with the shape of the slot type decorative pattern (521 and 522) of left and right end face, and the axial direction wheel of the slot type decorative pattern 523 of outer circumference surface , can when the radial profile of profile and the slot type decorative pattern (521 and 522) of left and right end face is respectively formed one-to-one corresponding and mutually joined Make pressurization gas caused by the slot type decorative pattern (521 and 522) of inner disc both ends of the surface from axle center radially constantly toward outer circumference surface The recess channels that are formed of slot type decorative pattern 523 in convey so that formed it is stronger support the air film that runs at high speed needed for bearing, and gas Film is the lubricant as kinetic pressure gas thrust bearing, thus can be further assured that described hybrid kinetic pressure gas thrust bearing High speed steady running under air supporting state, it is further ensured that to realize that the high limit rotating speed of motor provides.
The neck 513 (as shown in figure 20) for being used for fixing foil-type elastic component 53 is provided with the inner face of side panel 51.
Described foil-type elastic component 53 and the fit clearance of mid-game 52 are preferably 0.003~0.008mm, to further ensure that The reliability and stability that bearing runs at high speed.
In order to preferably meet the performance requirement to run at high speed, described foil-type elastic component 53 preferably through surface heat at Reason.
It is further to note that：The composition structure of foil-type elastic component 53 of the present invention is not limited in above-described embodiment It is described, ripple paper tinsel peace paper tinsel can also be used to form, but transition base fits with flat paper tinsel between the ripple arch of the ripple paper tinsel, or, directly Connect using two flat paper tinsel compositions, or use other existing structures.
Embodiment 6
With reference to shown in Figure 24 and Figure 25：Radiating helicla flute 32 is offered on the surface of rotating shaft 3, in favor of rotating shaft and bearing chamber Radiating.
After tested, bearing provided by the invention can reach 100 under air supporting state, and 000~450, the 000rpm limit turns Speed, therefore for equal-wattage requirement, the present invention can make the volume of turbojet engine be substantially reduced realization miniaturization, it is micro- to promoting The development of type new and high technology has important value.
It is last it is necessarily pointed out that：Above content is served only for doing technical scheme of the present invention further in detail Explanation, it is impossible to be interpreted as limiting the scope of the invention, those skilled in the art makees according to the above of the present invention Some the nonessential modifications and adaptations gone out belong to protection scope of the present invention.

Claims (13)

1. a kind of small Micro Turbine Jet Engine, including turbine, compressor, rotating shaft, 2 journal bearings, 1 thrust bearing and combustion Room is burnt, the turbine includes turbine, turbine fluid director of machine and turbine cylinder, and the compressor includes pinch roller, compressor expands Depressor and compressor housings；It is characterized in that：Also include rotating shaft set and bearing holder (housing, cover), the rotating shaft set is set in rotating shaft, radially Bearing and thrust bearing are set in rotating shaft set, and the bearing holder (housing, cover) is set in the outside of journal bearing and thrust bearing；Also, The journal bearing is hybrid kinetic pressure gas journal bearing, including bearing outside, bearing inner sleeve and be arranged on bearing outside with Foil-type elastic component between inner sleeve；The thrust bearing is hybrid kinetic pressure gas thrust bearing, including two side panels and folder The mid-game being located between two side panels, foil-type elastic component is equipped between each side panel and mid-game；The combustion chamber is set in The middle part of bearing holder (housing, cover), 2 journal bearings are respectively sleeved in the rotating shaft set in combustion chamber, and the thrust bearing is arranged in place In rotating shaft set between combustion chamber and pinch roller；The surface of the rotating shaft offers radiating helicla flute.
2. small Micro Turbine Jet Engine according to claim 1, it is characterised in that：Described small Micro Turbine Jet Engine is also Including turbine machine support, calm the anger machine support and left bearing room end cap and right bearing room end cap, turbine cylinder and turbine machine support It is fixedly connected, turbine machine support is fixedly connected with the housing of combustion chamber, and turbine machine support is fixedly connected with turbine fluid director of machine, whirlpool Wheel fluid director of machine is fixedly connected with left bearing room end cap；Compressor housings are fixedly connected with machine support of calming the anger；Calm the anger machine support with The housing of combustion chamber is fixedly connected, and machine support of calming the anger is fixedly connected with compressor diffuser, compressor diffuser and right bearing room End cap is fixedly connected.
3. small Micro Turbine Jet Engine according to claim 1, it is characterised in that：The outer circumference surface of the bearing inner sleeve and Both ends of the surface are respectively provided with the slot type decorative pattern of regular shape.
4. small Micro Turbine Jet Engine according to claim 3, it is characterised in that：The groove of the end face of the bearing inner sleeve Formula decorative pattern and the slot type decorative pattern of other end form specular, and the axial profile line and two of the slot type decorative pattern of outer circumference surface The radial profile of the slot type decorative pattern of end face, which is respectively formed, to be corresponded and mutually joins.
5. small Micro Turbine Jet Engine according to claim 4, it is characterised in that：The outer circumference surface of the bearing inner sleeve The high bit line in axial direction in slot type decorative pattern is homogeneously corresponding with the high bit line of radial direction in the slot type decorative pattern of both ends of the surface and is fallen in end face circumference Mutually join before angle；Axial neutrality line in the slot type decorative pattern of outer circumference surface and the radial direction neutrality line in the slot type decorative pattern of both ends of the surface It is corresponding and mutually join before the peripheral chamfer of end face；Axial low-bit line and both ends of the surface in the slot type decorative pattern of outer circumference surface Slot type decorative pattern in radial direction low-bit line it is corresponding and mutually join before the peripheral chamfer of end face.
6. small Micro Turbine Jet Engine according to claim 1, it is characterised in that：Have on the excircle of the bearing outside There are coaxial through hole and shrinkage pool, described through hole is located in coaxial shrinkage pool.
7. small Micro Turbine Jet Engine according to claim 1, it is characterised in that：The both ends of the surface of the mid-game are equipped with rule The then slot type decorative pattern of shape, and the slot type decorative pattern of end face and the slot type decorative pattern of other end form specular.
8. small Micro Turbine Jet Engine according to claim 7, it is characterised in that：Also set in the outer circumference surface of the mid-game There is slot type decorative pattern, and the shape of the slot type decorative pattern of outer circumference surface is identical with the shape of the slot type decorative pattern of both ends of the surface, and excircle The radial profile of the axial profile line of the slot type decorative pattern in face and the slot type decorative pattern of both ends of the surface, which is respectively formed, to be corresponded and mutually hands over Connect.
9. small Micro Turbine Jet Engine according to claim 8, it is characterised in that：The slot type decorative pattern of the outer circumference surface of mid-game In the high bit line in axial direction it is homogeneously corresponding with the high bit line of radial direction in the slot type decorative pattern of both ends of the surface and before the peripheral chamfer of end face mutually Handing-over；Axial neutrality line in the slot type decorative pattern of outer circumference surface and the radial direction neutrality line in the slot type decorative pattern of both ends of the surface are relative Should and mutually it join before the peripheral chamfer of end face；The slot type of axial low-bit line and both ends of the surface in the slot type decorative pattern of outer circumference surface Radial direction low-bit line in decorative pattern is corresponding and mutually joins before the peripheral chamfer of end face.
10. small Micro Turbine Jet Engine according to claim 1, it is characterised in that：The foil-type being fixed on a side panel Elastic component and the foil-type elastic component being fixed on another side panel form specular.
11. the small Micro Turbine Jet Engine according to claim 1 or 10, it is characterised in that：Described foil-type elastic component by Ripple paper tinsel peace paper tinsel forms, and arc convex top and the flat paper tinsel of the ripple paper tinsel fit.
12. the small Micro Turbine Jet Engine according to claim 1 or 10, it is characterised in that：Described foil-type elastic component by Ripple paper tinsel peace paper tinsel forms, and transition base fits with flat paper tinsel between the ripple arch of the ripple paper tinsel.
13. the small Micro Turbine Jet Engine according to claim 1 or 10, it is characterised in that：Described foil-type elastic component by Two flat paper tinsel compositions.
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PCT/CN2015/079232 WO2016183786A1 (en) 2015-05-19 2015-05-19 Mixed-type dynamic pressure gas radial bearing
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CN201610329290.3A Active CN105889325B (en) 2015-05-19 2016-05-18 A kind of small miniature gas turbine generator
CN201620449971.9U Active CN205858958U (en) 2015-05-19 2016-05-18 A kind of little miniature gas turbine generator
CN201610327792.2A Active CN106026491B (en) 2015-05-19 2016-05-18 A kind of small micromotor
CN201620452803.5U Withdrawn - After Issue CN205858959U (en) 2015-05-19 2016-05-18 A kind of little micro turbine generator
CN201620452766.8U Withdrawn - After Issue CN205858478U (en) 2015-05-19 2016-05-18 A kind of little miniature electric power generating turbine pressurizer
CN201610329245.8A Active CN105889324B (en) 2015-05-19 2016-05-18 A kind of small micro turbine generator
CN201620452807.3U Withdrawn - After Issue CN205864142U (en) 2015-05-19 2016-05-18 A kind of little micromachine
CN201620452859.0U Active CN205858731U (en) 2015-05-19 2016-05-18 A kind of little micro-blower
CN201620457921.5U Active CN205858960U (en) 2015-05-19 2016-05-18 A kind of little miniature turbine supercharger
CN201620453233.1U Active CN205858493U (en) 2015-05-19 2016-05-18 A kind of little Micro Turbine Jet Engine
CN201610329279.7A Active CN105888819B (en) 2015-05-19 2016-05-18 A kind of small miniature electric power generating turbine supercharging device
CN201610334011.2A Active CN105889326B (en) 2015-05-19 2016-05-18 A kind of small miniature turbine booster
CN201610329207.2A Active CN105889099B (en) 2015-05-19 2016-05-18 A kind of small micro-blower
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CN201610329290.3A Active CN105889325B (en) 2015-05-19 2016-05-18 A kind of small miniature gas turbine generator
CN201620449971.9U Active CN205858958U (en) 2015-05-19 2016-05-18 A kind of little miniature gas turbine generator
CN201610327792.2A Active CN106026491B (en) 2015-05-19 2016-05-18 A kind of small micromotor
CN201620452803.5U Withdrawn - After Issue CN205858959U (en) 2015-05-19 2016-05-18 A kind of little micro turbine generator
CN201620452766.8U Withdrawn - After Issue CN205858478U (en) 2015-05-19 2016-05-18 A kind of little miniature electric power generating turbine pressurizer
CN201610329245.8A Active CN105889324B (en) 2015-05-19 2016-05-18 A kind of small micro turbine generator
CN201620452807.3U Withdrawn - After Issue CN205864142U (en) 2015-05-19 2016-05-18 A kind of little micromachine
CN201620452859.0U Active CN205858731U (en) 2015-05-19 2016-05-18 A kind of little micro-blower
CN201620457921.5U Active CN205858960U (en) 2015-05-19 2016-05-18 A kind of little miniature turbine supercharger
CN201620453233.1U Active CN205858493U (en) 2015-05-19 2016-05-18 A kind of little Micro Turbine Jet Engine
CN201610329279.7A Active CN105888819B (en) 2015-05-19 2016-05-18 A kind of small miniature electric power generating turbine supercharging device
CN201610334011.2A Active CN105889326B (en) 2015-05-19 2016-05-18 A kind of small miniature turbine booster
CN201610329207.2A Active CN105889099B (en) 2015-05-19 2016-05-18 A kind of small micro-blower

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