CN110397671A - 两个混合球轴承和压缩机轴承装置 - Google Patents
两个混合球轴承和压缩机轴承装置 Download PDFInfo
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- CN110397671A CN110397671A CN201910323202.2A CN201910323202A CN110397671A CN 110397671 A CN110397671 A CN 110397671A CN 201910323202 A CN201910323202 A CN 201910323202A CN 110397671 A CN110397671 A CN 110397671A
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- Prior art keywords
- ball bearings
- mixing ball
- mixing
- rollaway nest
- axial gap
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- Pending
Links
- 239000003507 refrigerant Substances 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 9
- 230000001050 lubricating effect Effects 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 2
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 229920002530 polyetherether ketone Polymers 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 2
- 239000010959 steel Substances 0.000 claims 2
- 229910010293 ceramic material Inorganic materials 0.000 claims 1
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 239000011152 fibreglass Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 238000005461 lubrication Methods 0.000 description 6
- 230000035515 penetration Effects 0.000 description 6
- 238000011835 investigation Methods 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
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- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- 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
- F04D29/0566—Ceramic bearing designs
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- 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
- F04D29/059—Roller bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
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- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
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- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
- F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
- F16C19/184—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
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- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/541—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing
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- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/546—Systems with spaced apart rolling bearings including at least one angular contact bearing
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- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/546—Systems with spaced apart rolling bearings including at least one angular contact bearing
- F16C19/547—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings
- F16C19/548—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings in O-arrangement
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- 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
- F16C33/30—Parts of ball or roller bearings
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- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/303—Parts of ball or roller bearings of hybrid bearings, e.g. rolling bearings with steel races and ceramic rolling elements
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- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/32—Balls
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- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
- F16C33/40—Ball cages for multiple rows of balls
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- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
- F16C33/44—Selection of substances
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- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
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- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
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- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
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- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/62—Selection of substances
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- 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
- F16C33/30—Parts of ball or roller bearings
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- 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
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- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
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- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6688—Lubricant compositions or properties, e.g. viscosity
- F16C33/6692—Liquids other than oil, e.g. water, refrigerants, liquid metal
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- 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
- F16C39/00—Relieving load on bearings
- F16C39/02—Relieving load on bearings using mechanical means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/50—Bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2280/00—Materials; Properties thereof
- F05B2280/20—Inorganic materials, e.g. non-metallic materials
- F05B2280/2004—Ceramics; Oxides
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- 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
- F16C2204/00—Metallic materials; Alloys
- F16C2204/60—Ferrous alloys, e.g. steel alloys
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- 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
- F16C2206/00—Materials with ceramics, cermets, hard carbon or similar non-metallic hard materials as main constituents
- F16C2206/40—Ceramics, e.g. carbides, nitrides, oxides, borides of a metal
- F16C2206/58—Ceramics, e.g. carbides, nitrides, oxides, borides of a metal based on ceramic nitrides
- F16C2206/60—Silicon nitride (Si3N4)l
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- 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
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- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
- F16C2240/46—Gap sizes or clearances
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- 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
- F16C2360/00—Engines or pumps
- F16C2360/43—Screw compressors
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- 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
- F16C2360/00—Engines or pumps
- F16C2360/44—Centrifugal pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Rolling Contact Bearings (AREA)
Abstract
两个混合球轴承和一种压缩机轴承装置,所述压缩机轴承装置具有两个混合球轴承,所述两个混合球轴承用于压缩机的转子对压缩机的定子的可旋转支撑。所述两个混合球轴承被布置成面对面或背靠背,所述两个混合球轴承被构造成分别根据混合球轴承中的一者的环形的内滚道元件的内径和所述两个混合球轴承中的一者的节圆直径而具有最优的轴向间隙,以具有与最优的压缩机运行性能有关的长的轴承寿命。
Description
技术领域
本发明涉及两个混合球轴承和压缩机轴承装置。
背景技术
例如,在制冷剂压缩机的领域,原则上已知的是,在具有超纯(ultra-pure)润滑膜厚度的润滑的意义下,将制冷剂本身作为超低粘度润滑剂供应到压缩机的滚动轴承。除了通常存在于制冷剂中的液体杂质之外,这可以是纯制冷剂润滑。在一种改进(/修改)方案(modification)中,可以将一种或多种其它特别与润滑有关的物质添加到制冷剂中,例如总计(至多)达到最大1%浓度。此外,这些压缩机中的一些(压缩机)以相对高速的转数运转。因此,轴承寿命的优化受到若干约束。
发明内容
两个混合球轴承具有至少一个环形的内滚道元件,所述两个混合球轴承中的至少一者的球在所述内滚道元件上滚动,所述内滚道元件具有内径,如果所述两个混合球轴承被布置成面对面或背靠背,则所述两个混合球轴承被构造成提供如下在零测量和零安装载荷下的轴向间隙(clearance):
如果所述内径小于等于80mm,则所述轴向间隙在-5μm至40μm之间,
如果所述内径大于80mm且小于等于180mm,则所述轴向间隙在-5μm至50μm之间,以及
如果所述内径大于180mm,则所述轴向间隙在-5μm至70μm之间。
如果所述两个混合球轴承被布置成面对面或背靠背,则所述两个混合球轴承被构造成提供如下在零测量和零安装载荷下的轴向间隙:
如果所述两个混合球轴承中的一者的节圆直径小于等于100mm,则所述轴向间隙在-5μm至40μm之间,
如果所述两个混合球轴承中的一者的节圆直径大于100mm且小于等于200mm,则所述轴向间隙在-5μm至50μm之间,以及
如果所述两个混合球轴承中的一者的节圆直径大于200mm,则所述轴向间隙在-5μm至70μm之间。
一种压缩机轴承装置,具有两个混合球轴承,用于压缩机的转子对(versus)压缩机的定子的可旋转支撑,其中所述两个混合球轴承被布置成面对面或背靠背,具有以下在零测量和零安装载荷下的轴向间隙:
如果所述两个混合球轴承中的至少一者的环形的内滚道元件的内径小于等于80mm或者如果所述两个混合球轴承中的一者的节圆直径小于等于100mm,则所述轴向间隙在-5μm至40μm之间,
如果所述两个混合球轴承中的至少一者的环形的内滚道元件的内径大于80mm且小于等于180mm或者如果所述两个混合球轴承中的一者的节圆直径大于100mm且小于等于200mm,则所述轴向间隙在-5μm至50μm之间,以及
如果所述两个混合球轴承中的至少一者的环形的内滚道元件的内径大于180mm或者如果所述两个混合球轴承中的一者的节圆直径大于200mm,则所述轴向间隙在-5μm至70μm之间。
进行了广泛的一系列的调查(/研究)(investigations)。这些调查被对于高转速(在2500至25000rpm之间或ndm值在500000至1200000mm/60s之间)制冷剂压缩机应用的X-和O-布置的各组的两个混合球轴承来执行。轴承特别是混合角接触球轴承利用超低粘度润滑剂来润滑(其形成200nm以下的超薄润滑膜厚度),特别是现代环保制冷剂,或者是这样的制冷剂:该制冷剂具有总计最多达到1%浓度的一种或多种其它特别(与)润滑相关的物质。由此调查了各种尺寸以及内、外公差的轴承组。这些调查的重点在于与优化的压缩机运行性能有关的优化的轴承寿命。由此这些广泛的调查的关键发现是:长的轴承寿命与良好的压缩机运行性能(这两者一起)受两个混合球轴承的轴向间隙的正确选择的强烈影响,并且(发现)最优的轴向间隙取决于轴承尺寸,特别是取决于轴承的环形的内滚道元件(或短内圈)的内径,取决于球的节圆直径,例如对于不存在传统的轴承内圈的装置(例如,如果内滚道直接在旋转轴上制成)。而特别地是,过小的轴向间隙导致高的内轴承载荷状况、高的接触应力和润滑剂膜的穿破(break-throughs),导致了轴承寿命短。另一方面,如果轴向间隙过大,在球与滚道之间发生滑动运动,则接触应力过低从而引起粘度(viscosity)增大和润滑剂膜厚度减小,导致进一步磨损和轴承寿命短。轴承刚度和转子定位精度也受到过大间隙的负面(/不利)影响。因此,上述段落中的设计规则确保了与良好的压缩机运行性能相关的长的轴承寿命。
本发明的另外的优点、特征和细节由以下参照附图描述的本发明的示例性实施方式引起(/得到)。
附图说明
图1a和图1b示出了两个混合球轴承的上半部的纵向截面,这两个混合球轴承在图1a中被布置成面对面、在图1b中被布置成背靠背,
图2示出了制冷剂压缩机的轴承装置的上部区域的纵向截面,以及
图3示出了(/穿过)图2中的装置的中心的截面。
具体实施方式
作为本发明的实施方式,图1a和图1b示出了(穿过)两个混合球轴承的上半部的纵向截面。由此图1a示出了两个混合角接触球轴承的轴承装置(/布置),其中这两个轴承以面对面的布置(这也被称为X布置)相对于彼此布置。图1b示出了两个混合角接触球轴承的轴承布置,其中这两个轴承以背靠背的布置(这也被称为O布置)相对于彼此布置。图1a和图1b的两个混合角接触球轴承中的每一个包括环形的外滚道元件12和22以及内滚道元件11和21。内滚道元件和外滚道元件11、21、12和22由不锈钢制成,特别是高氮不锈钢,例如Chromex 40,Cronidur 30;X30CrNoN15-1,X40CrMoVN16-2,NitroMax或至少在滚道处具有大于HRC 58的硬度并且耐腐蚀性的点蚀电位高于或等于(根据ASTM G61-86)-225mV的类似物。内滚道元件11和21分别具有内(直)径d和d’。
一系列陶瓷球15和25(例如采用Si3N4)被设置用于每个球轴承,位于对应的球轴承的内滚道元件与外滚道元件11、21、12和22之间。球15和25被卡接(snapped)并保持在保持架14和24中。在这种情况下,保持架14和24防止在对应的球15和25的列内的球15和25相互接触。保持架14和24由纤维增强PEEK制成。因此,球15的列限定出节圆直径(pitchdiameter)dm,直径dm是穿过所有球15的中心点的圆的直径;球25的列以类似的方式限定出节圆直径dm’。
混合角接触球轴承中的每一者分别示出了接触角α和β。该接触角α和β是这样的(/以下两方面之间的)角:(一方面)球15或25与外滚道元件和内滚道元件12和11以及22和21的公称接触点(/标称接触点)(nominal contact points)之间的连接线与(另一方面)球轴承的与轴向垂直的平面之间的角。
在图1a和图1b中,两个混合角接触球轴承是相同的,尤其意思是内径d和d’、节圆直径dm和dm’以及接触角α和β是相同的。在其它实施方式中,特别是接触角α和β彼此不同,例如,以应对(cope with)在一个轴向上和在另一个轴向上不同的预期(expected)轴向载荷。当然,存在两个混合球轴承的内径d和d’和/或节圆直径dm和dm’也彼此不同的特别情况。
两个混合球轴承被构造和制造用于在2500至25000rpm之间的高转速或者在500000至1200000mm/60s之间的ndm值,其中ndm值是转速与节圆直径dm或dm’的乘法(运算)结果。此外,两个混合球轴承被构造和制造成使得(/以如下方式构造和制造:)它们在不使用(像新的未运行)的状况下展现出(有)特定的轴向间隙C(在零测量和零安装载荷的情况下),如上所述作为本发明的认识,以确保优化的轴承寿命与优化的压缩机运行性能(这两者一起被实现)。
更特别地,两个混合角接触球轴承具有内径d=d’=150mm,节圆直径dm=dm’=187.5mm,接触角α=β=15°并且在零测量(/零位测量)(zero measuring)和零安装载荷的情况下的轴向间隙C为大约40μm。在与前面提到的不同的另一实施方式中,两个混合球轴承的接触角α和β是不同的,例如,α=15°,β=30°,然后C为大约38μm。
由此负的轴向间隙C须通过参照图1a和图1b理解如下:对于图1a的面对面的布置,负的轴向间隙C意味着轴向空隙不再在两个内滚道元件11与21之间(然后这两个内滚道元件11与21彼此接触),而是在两个外滚道元件12与22之间(示出了负的轴向间隙C的绝对值)。对于图1b的背靠背的布置,负的轴向间隙C意味着轴向空隙不再在两个外滚道元件12与22之间(然后这两个外滚道元件12与22彼此接触),而是在两个内滚道元件11与21之间(示出了负的轴向间隙C的绝对值)。
由此两个混合角接触球轴承可以是配对轴承(paired bearings),这增大了自由度以确保期望的(desired)轴向间隙C;或者它们是非配对的,这增大了对单个轴承的公差的要求以确保期望的轴向间隙C,但当然,从操作和安装角度来看这更容易,因为无须遵循配对关系。
当然,在其它实施方式中,根据在轴承的对应安装位置处所要求的带载能力(loadcarrying capacity)和应用要求,可以在图1a和图1b的轴承的左侧和/或右侧,或者还可以在图1a和图1b的两个轴承之间,有一个或多个额外的混合球和/或滚子(特别是圆柱滚子)轴承。由此,这些额外的轴承不影响图1a和图1b中的两个轴承的所述轴向间隙。
作为本发明的示例性实施方式,图2示出了(穿过)制冷剂压缩机的轴承装置的上部区域的纵向截面,制冷剂压缩机特别是具有直接驱动(/直接驱动器)的大型离心式空调压缩机,图3示出了穿过图2的图示的中心的截面。压缩机包括壳体110,在图2和图3中,仅示出了壳体的与轴承装置连接(/有关)(in connection with)的区域。此外,壳体110包括轴向圆柱形孔(axial circular cylindrical bore)118,孔118容纳混合球轴承和外中间环130。
在孔118中,根据图1b的两个混合角接触球轴承通过外中间环130而彼此间隔开。环形的外滚道元件12和22以本身已知的方式(但并未详细示出)固定在壳体110中。同样,内滚道元件11和21以已知的方式(但并未示出)固定在也未示出的压缩机的轴上,压缩机的轴被设置用于相对于壳体110旋转。在这种情况下,轴例如可以并入于(merge into)用于驱动轴的电机的转子。例如,在图2的图示的右侧,用于空调系统的制冷剂的压缩机的叶轮可以布置在轴上。无论如何,轴可以具有与图2所示的轴承位置有距离的(/间隔开的)另一个轴承位置,例如,在驱动(/驱动器)的另一轴向侧。该另一轴承位置可以是与图2和图3所示相同、相似、但也可以是不同的设计。
一系列陶瓷球15和25被布置在对应的球轴承的外滚道元件与内滚道元件12、22、11和21之间。球15和25分别被卡接并保持在保持架14和24中。保持架14和24防止在对应列的球15和25内的球15和25相互接触。
外中间环130布置在两个混合角接触球轴承的两个外滚道元件12和22之间,内中间环138布置在两个球轴承的内滚动表面元件11和12之间。壳体110包括径向圆柱(形)孔112,穿过孔112的制冷剂用的喷嘴140可以被(螺接)拧入(screwed)孔112中。外中间环130形成有:狭槽(/缝)(slot)132,其与径向孔112对齐;和径向的圆柱形穿透部(penetration)134,其与狭槽132相对(opposite)。径向穿透部134在其位置(处)对应于设置在壳体110中的径向孔114,孔114用作供给到轴承装置的制冷剂的排出部(drain)。
轴承装置被构造用于利用或多或少的纯的无油制冷剂(例如现代环保制冷剂中的一种)来润滑,或者利用这样的制冷剂来润滑:该制冷剂具有一种或多种其它特别润滑相关的物质,总浓度达到(/多达)(up to)1%,如下所述:穿过孔110以及中间环130的狭槽132的喷嘴140被拧入壳体110的孔112内,并例如借助于调节螺母148固定。为此目的,喷嘴140至少在其上部区域被设计具有外螺纹,孔112至少在其上部区域被设计具有与其对应的内螺纹。此外,喷嘴140包括通道144,通道144在轴承侧合并成Y形出口通道144。由此,如果例如无法获得足够的空间用于T形设计,那么通道144的Y形设计是特别有利的。
当相应的制冷剂管线连接在喷嘴140的上端时,然后经由通道142实现(/执行)了制冷剂供送。然后制冷剂经由Y形出口通道144(在保持架14和24的下边缘与内滚道元件11和21的外罩(mantles)之间)输送,并由此直接注射到混合角接触球轴承的滚动区域内。为此目的,球轴承以及喷嘴140相对于彼此以结构和几何上协调的方式构造,诸如(拧入)孔112内的拧入深度(等)。
在压缩机运行期间,制冷剂以饱和状况的液体形式供应。轴承装置被构造成使得制冷剂的压力状态被保持,这在很大程度上防止了制冷剂进入(passing over into)气态。特别地,Y形出口通道的直径被相应地设置尺寸。此外,轴承的几何形状(/几何结构)(特别是关于注射的制冷剂的轴向自由通过可能性)而且还有排出部114的几何形状被相应地设计,特别是以限制的方式。由此,通道的直径的尺寸被设计成使得在Y形出口通道144的上游压降(pressure drop)非常小。制冷剂以液体形式通过出口通道144。在离开出口通道144之后,根据穿过(across)出口通道144的压降、轴承摩擦和流过所花费的时间,一些制冷剂转变成气体。
在其它实施方式中,外中间环130还可以旋转180°安装,使得穿透部134与孔112对齐并且狭槽132与孔114对齐。还有这样的实施方式:狭槽132与穿透部134不彼此相对,而是被布置成例如在周向上错开(staggered)160°或140°。在另外的其它实施方式中,狭槽132可以被替换为另一径向穿透部。此外,外中间环还可以包括多个穿透部,以用于多于一个喷嘴并且还可能用于另外的流出部。作为另一种选择,排出部114和外中间环的相关联的穿透部或狭槽可以被省掉(dispensed with)。
在其它实施方式中,内中间环138可以支持(/支撑)将制冷剂引入到滚出区域(rolling-off zones)中,特别是通过其外壳的径向向外鼓出的构造,例如采用顶盖(/屋顶)(roof)的形式。还在其它实施方式中,喷嘴当然还可以以另外的方式紧固在壳体中。
在其它实施方式中,可以根据DE 20 2017 106 076 U1和CN 205 025 807 U构造润滑间隔件。
当然,必须要强调的是,中间环130和138不影响期望的轴向间隙C(在轴承的零测量和零安装载荷的情况下)。在其它实施方式中,其还可以是单件式(/一体式)中间环或者还可以是各另外的轴承有更多个这样的中间环。在其它实施方式中,其例如还可以是单个垫圈,所述垫圈位于内滚道元件11和21或外滚道元件12和22之间,特别是与润滑制冷剂的不同的供给有关,例如,与侧面中的至少一个轴向(/在轴向上)隔开。于是由此垫圈也可以被包括在该装置中以控制期望的轴向间隙C,由此原则上对此还可以使用和构造这种中间环。
Claims (20)
1.两个混合球轴承,包括:
至少一个环形的内滚道元件,所述内滚道元件具有内径,所述两个混合球轴承中的至少一者的球在所述内滚道元件上滚动,
如果所述两个混合球轴承被布置成面对面或背靠背,则所述两个混合球轴承被构造成提供如下在零测量和零安装载荷下的轴向间隙:
如果所述内径小于等于80mm,则所述轴向间隙在-5μm至40μm之间,
如果所述内径大于80mm且小于等于180mm,则所述轴向间隙在-5μm至50μm之间,以及
如果所述内径大于180mm,则所述轴向间隙在-5μm至70μm之间。
2.根据权利要求1所述的两个混合球轴承,其特征在于,所述两个混合球轴承在未使用的、分别是新的、未运行的状况下,并且所述两个混合球轴承是相同的。
3.根据权利要求1所述的两个混合球轴承,其特征在于,所述两个混合球轴承的滚道元件由钢制成,特别是用于滚动轴承的不锈高氮钢,所述球由陶瓷材料制成,所述球用的保持架由塑料制成,特别是玻璃纤维增强塑料,特别是包括PEEK。
4.根据权利要求1所述的两个混合球轴承,其特征在于,所述两个混合球轴承中的第一者包括环形的第一外滚道元件和第一内滚道元件,所述两个混合球轴承中的第二者包括环形的第二外滚道元件和第二内滚道元件,至少一个中空圆柱形距离元件特别是润滑间隔件或距离环被设置和定位在两个外滚道元件和/或两个内滚道元件之间。
5.根据权利要求1所述的两个混合球轴承,其特征在于,所述两个混合球轴承是混合角接触球轴承,其接触角在10°至40°之间,特别是在15°至30°之间。
6.根据权利要求5所述的两个混合球轴承,其特征在于,所述两个混合球轴承的接触角是不同的,其中特别是所述两个混合球轴承中的第一者的接触角在10°至20°之间,所述两个混合球轴承中的第二者的接触角在21°至35°之间。
7.根据权利要求1所述的两个混合球轴承,其特征在于,所述两个混合球轴承中的至少一者被构造用于在2500rpm至25000rpm之间的高转速或在500000至1200000mm/60s之间的ndm值,其中所述ndm值是转速与节圆直径的乘法结果。
8.根据权利要求1所述的两个混合球轴承,其特征在于,所述两个混合球轴承被配对形成同步组。
9.两个混合球轴承,如果所述两个混合球轴承被布置成面对面或背靠背,所述两个混合球轴承被构造成提供以下在零测量和零安装载荷下的轴向间隙,包括:
如果所述两个混合球轴承中的一者的节圆直径小于等于100mm,则所述轴向间隙在-5μm至40μm之间,
如果所述两个混合球轴承中的一者的节圆直径大于100mm且小于等于200mm,则所述轴向间隙在-5μm至50μm之间,以及
如果所述两个混合球轴承中的一者的节圆直径大于200mm,则所述轴向间隙在-5μm至70μm之间。
10.根据权利要求9所述的两个混合球轴承,其特征在于,所述两个混合球轴承在未使用的、新的、未运行的状况下,并且所述两个混合球轴承是相同的。
11.根据权利要求9所述的两个混合球轴承,其特征在于,所述两个混合球轴承是混合角接触球轴承,其接触角在10°至40°之间,特别是在15°至30°之间。
12.根据权利要求11所述的两个混合球轴承,其特征在于,所述两个混合球轴承的接触角是不同的,特别是所述两个混合球轴承中的第一者的接触角在10°至20°之间,所述两个混合球轴承中的第二者的接触角在21°至35°之间。
13.根据权利要求9所述的两个混合球轴承,其特征在于,所述两个混合球轴承中的至少一者被构造用于在2500rpm至25000rpm之间的高转速或在500000至1200000mm/60s之间的ndm值,其中所述ndm值是转速与节圆直径的乘法结果。
14.根据权利要求9所述的两个混合球轴承,其特征在于,所述两个混合球轴承被配对形成同步组。
15.一种压缩机轴承装置,包括:
两个混合球轴承,用于压缩机的转子对压缩机的定子的可旋转支撑,其中,
所述两个混合球轴承被布置成面对面或背靠背,具有以下在零测量和零安装载荷下的轴向间隙,
如果所述两个混合球轴承中的至少一者的环形的内滚道元件的内径小于等于80mm或者如果所述两个混合球轴承中的一者的节圆直径小于等于100mm,则所述轴向间隙在-5μm至40μm之间,
如果所述两个混合球轴承中的至少一者的环形的内滚道元件的内径大于80mm且小于等于180mm或者如果所述两个混合球轴承中的一者的节圆直径大于100mm且小于等于200mm,则所述轴向间隙在-5μm至50μm之间,以及
如果所述两个混合球轴承中的至少一者的环形的内滚道元件的内径大于180mm或者如果所述两个混合球轴承中的一者的节圆直径大于200mm,则所述轴向间隙在-5μm至70μm之间。
16.根据权利要求15所述的压缩机轴承装置,其特征在于,所述两个混合球轴承中的第一者包括环形的第一外滚道元件和第一内滚道元件,所述两个混合球轴承中的第二者包括环形的第二外滚道元件和第二内滚道元件,至少一个中空圆柱形距离元件特别是润滑间隔件或距离环被设置和定位在两个外滚道元件和/或两个内滚道元件之间。
17.根据权利要求15所述的压缩机轴承装置,其特征在于,所述两个混合球轴承是混合角接触球轴承,其接触角在10°至40°之间,特别是在15°至30°之间。
18.根据权利要求17所述的压缩机轴承装置,其特征在于,所述两个混合球轴承的接触角是不同的,特别是所述两个混合球轴承中的第一者的接触角在10°至20°之间,所述两个混合球轴承中的第二者的接触角在21°至35°之间。
19.根据权利要求15所述的压缩机轴承装置,其特征在于,所述两个混合球轴承中的至少一者被构造用于在2500rpm至25000rpm之间的高转速或在500000至1200000mm/60s之间的ndm值,其中所述ndm值是转速与节圆直径的乘法结果。
20.根据权利要求15所述的压缩机轴承装置,其特征在于,所述两个混合球轴承中的至少一者用超低粘度润滑剂润滑,特别是纯制冷剂或具有至多总共为最大值1%的量的至少一种其它特别润滑相关的物质的制冷剂。
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111536152A (zh) * | 2020-06-03 | 2020-08-14 | 中国航发哈尔滨轴承有限公司 | 一种高温倾覆力矩混合陶瓷球轴承 |
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US20190331167A1 (en) | 2018-04-25 | 2019-10-31 | Aktiebolaget Skf | Two hybrid ball bearings and a compressor bearing arrangement |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4759427A (en) * | 1984-11-05 | 1988-07-26 | Nippon Seiko Kabushiki Kaisha | Nozzle assembly of a constant fine lubrication device |
JPH10299784A (ja) * | 1997-04-30 | 1998-11-10 | Nippon Seiko Kk | 転がり軸受装置用潤滑装置 |
US20020097935A1 (en) * | 2000-11-21 | 2002-07-25 | Johannes Beckers | Ball bearing and bearing assembly |
JP2006194361A (ja) * | 2005-01-14 | 2006-07-27 | Nsk Ltd | スクリューコンプレッサ用軸受装置 |
JP2006266458A (ja) * | 2005-03-25 | 2006-10-05 | Ntn Corp | 転がり軸受 |
CN101184952A (zh) * | 2005-05-31 | 2008-05-21 | Skf股份公司 | 借助超低粘度的挥发性流体来润滑滚动件轴承的方法及轴承组件 |
US20140212082A1 (en) * | 2013-01-28 | 2014-07-31 | Aktiebolaget Skf | Rolling-element bearing and method of manufacturing thereof |
CN104956104A (zh) * | 2013-01-25 | 2015-09-30 | 特灵国际有限公司 | 用于制冷剂润滑的压缩机的压力渗氮不锈钢混合轴承 |
US20150285308A1 (en) * | 2012-11-05 | 2015-10-08 | Ntn Corporation | Double-row rolling bearing |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2733967A (en) * | 1956-02-07 | Axial | ||
US3056636A (en) * | 1961-03-21 | 1962-10-02 | Barden Corp | Preloaded bearing and method of making same |
US5273413A (en) * | 1992-02-27 | 1993-12-28 | Skf Usa Inc. | Thrust bearing for high speed screw compressors |
US6135641A (en) * | 1997-10-30 | 2000-10-24 | Honeywell International Inc. | Hybrid duplex bearing assembly having thermal compensation |
US6048101A (en) * | 1998-12-09 | 2000-04-11 | Sullair Corporation | Thrust bearing arrangement |
FR2798433B1 (fr) * | 1999-09-14 | 2001-11-09 | Snfa | Roulement a billes hybride a contact oblique |
FR2798708B1 (fr) * | 1999-09-17 | 2001-11-16 | Snfa | Roulement a billes hybride a contact oblique, et butee axiale le comportant |
JP2001193743A (ja) * | 1999-11-02 | 2001-07-17 | Nsk Ltd | 転がり軸受 |
NL1018190C2 (nl) * | 2001-05-31 | 2002-12-03 | Skf Ab | Koelmiddel gesmeerd wentellager. |
DE202004001454U1 (de) | 2004-01-31 | 2004-04-01 | Ab Skf | Zweireihiges Wälzlager |
BE1015913A3 (nl) | 2004-02-23 | 2005-11-08 | Atlas Copco Airpower Nv | Machine met verbeterde lagersmering. |
US20060182376A1 (en) * | 2005-02-17 | 2006-08-17 | Scott Burwell | Hybrid skate bearing |
IT1399977B1 (it) | 2010-04-20 | 2013-05-09 | Skf Ab | Gruppo mozzo ruota a due corone di corpi volventi |
JP6370026B2 (ja) | 2011-11-29 | 2018-08-08 | 日本精工株式会社 | 保持器および転がり軸受 |
US9234522B2 (en) * | 2012-01-03 | 2016-01-12 | United Technologies Corporation | Hybrid bearing turbomachine |
US9541137B2 (en) | 2012-09-24 | 2017-01-10 | Ntn Corporation | Cooling structure for bearing device |
DE102013221685A1 (de) | 2013-10-25 | 2015-04-30 | Schaeffler Technologies Gmbh & Co. Kg | Wälzlager |
CN205025807U (zh) | 2015-10-14 | 2016-02-10 | 重庆美的通用制冷设备有限公司 | 离心式压缩机用轴承组件 |
DE202017106076U1 (de) | 2017-10-06 | 2017-10-17 | Aktiebolaget Skf | Lageranordnung |
US10280973B1 (en) | 2017-12-20 | 2019-05-07 | Aktiebolaget Skf | Hybrid roller bearing, particularly for refrigerant compressor |
-
2018
- 2018-04-25 US US15/962,355 patent/US11009035B2/en active Active
-
2019
- 2019-04-12 DE DE102019205343.2A patent/DE102019205343A1/de active Pending
- 2019-04-22 CN CN201910323202.2A patent/CN110397671A/zh active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4759427A (en) * | 1984-11-05 | 1988-07-26 | Nippon Seiko Kabushiki Kaisha | Nozzle assembly of a constant fine lubrication device |
JPH10299784A (ja) * | 1997-04-30 | 1998-11-10 | Nippon Seiko Kk | 転がり軸受装置用潤滑装置 |
US20020097935A1 (en) * | 2000-11-21 | 2002-07-25 | Johannes Beckers | Ball bearing and bearing assembly |
JP2006194361A (ja) * | 2005-01-14 | 2006-07-27 | Nsk Ltd | スクリューコンプレッサ用軸受装置 |
JP2006266458A (ja) * | 2005-03-25 | 2006-10-05 | Ntn Corp | 転がり軸受 |
CN101184952A (zh) * | 2005-05-31 | 2008-05-21 | Skf股份公司 | 借助超低粘度的挥发性流体来润滑滚动件轴承的方法及轴承组件 |
US20150285308A1 (en) * | 2012-11-05 | 2015-10-08 | Ntn Corporation | Double-row rolling bearing |
CN104956104A (zh) * | 2013-01-25 | 2015-09-30 | 特灵国际有限公司 | 用于制冷剂润滑的压缩机的压力渗氮不锈钢混合轴承 |
US20140212082A1 (en) * | 2013-01-28 | 2014-07-31 | Aktiebolaget Skf | Rolling-element bearing and method of manufacturing thereof |
Non-Patent Citations (2)
Title |
---|
卜炎: "《机械传动设计手册-下册》", 31 December 1998, 机械工业出版社 * |
唐蓉城: "《机械设计》", 31 May 1993, 机械工业出版社 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111536152A (zh) * | 2020-06-03 | 2020-08-14 | 中国航发哈尔滨轴承有限公司 | 一种高温倾覆力矩混合陶瓷球轴承 |
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