CN111577625A - Low-noise air conditioner fan - Google Patents

Low-noise air conditioner fan Download PDF

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Publication number
CN111577625A
CN111577625A CN202010447194.5A CN202010447194A CN111577625A CN 111577625 A CN111577625 A CN 111577625A CN 202010447194 A CN202010447194 A CN 202010447194A CN 111577625 A CN111577625 A CN 111577625A
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CN
China
Prior art keywords
fixed
arc
bearing
outer ring
shaped
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Granted
Application number
CN202010447194.5A
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Chinese (zh)
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CN111577625B (en
Inventor
朱春英
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North China Institute of Aerospace Engineering
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North China Institute of Aerospace Engineering
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Publication date
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Priority to CN202010447194.5A priority Critical patent/CN111577625B/en
Publication of CN111577625A publication Critical patent/CN111577625A/en
Application granted granted Critical
Publication of CN111577625B publication Critical patent/CN111577625B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/002—Axial flow fans
    • 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
    • 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
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/059—Roller 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F04D29/384—Blades characterised by form
    • F04D29/386—Skewed blades
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F04D29/388—Blades characterised by construction
    • 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
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/545—Ducts
    • F04D29/547—Ducts having a special shape in order to influence fluid flow
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a low-noise air-conditioning fan, which comprises a cylindrical air duct, wherein a round table air duct is fixed at one end of the cylindrical air duct, one end of a fixing frame is fixed at the inner side of the cylindrical air duct, the other end of the fixing frame is in compression joint with the fan, a bearing device is fixed at the center of two ends of the fan, the bearing device is sleeved and sleeved with a rotating shaft, a plurality of blades are fixed at one end of the rotating shaft close to the round table air duct, the bearing device comprises a bearing inner ring and a bearing outer ring, the inner side surface of the bearing inner ring is sleeved and connected with the rotating shaft, a plurality of balls are pressed between the outer side surface of the bearing inner ring and, the bearing outer ring comprises a bearing outer ring body, a first arc-shaped groove is formed in the side face of the bearing outer ring body, an arc-shaped elastic sheet is fixed on the top face of the first arc-shaped groove, a cylindrical protrusion is fixed on the side face of the bearing outer ring body, and an arc-shaped protrusion is fixed on the top face of the cylindrical protrusion. The invention can improve the defects of the prior art and reduce the noise of the air conditioner.

Description

Low-noise air conditioner fan
Technical Field
The invention relates to an air conditioner fan, in particular to a low-noise air conditioner fan.
Background
With the gradual popularization of air conditioners, the requirements of people on noise are higher and higher. In the working process of the existing air conditioning fan, noise is generated due to the rotation of the impeller, and the fan can cause the vibration of the whole equipment in the working process to further generate noise, so that certain influence is caused on the environment. Therefore, how to reduce the noise caused by the vibration of the fan and the influence of the noise caused by the rotation of the impeller is a problem which people need to solve urgently.
Disclosure of Invention
The invention aims to provide an improved still life lamp, which can solve the defects of the prior art and reduce the noise of an air conditioner.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
A low-noise air-conditioning fan comprises a cylindrical air duct, wherein a round platform air duct is fixed at one end of the cylindrical air duct, a fixing frame is fixed at one end of the cylindrical air duct, the other end of the fixing frame is in compression joint with the fan, bearing devices are fixed at the centers of the two ends of the fan, a rotating shaft is sleeved and sleeved on the bearing devices, a plurality of blades are fixed at one end of the rotating shaft close to the round platform air duct, each bearing device comprises a bearing inner ring and a bearing outer ring, the inner side surface of the bearing inner ring is sleeved and connected with the rotating shaft, a plurality of balls are compressed and connected between the outer side surface of the bearing inner ring and the inner side surface of the bearing outer ring, the balls are sleeved in the fixing frame, the outer side surface of the bearing outer ring is sleeved and connected with a shaft sleeve, the bearing outer ring comprises a bearing outer ring body, a first, first shell fragment one end is connected with the arc shell fragment, and the first shell fragment other end is connected with cylindrical protruding bottom surface, the axle sleeve includes the axle sleeve body, and axle sleeve body medial surface is equipped with the cuboid recess, and second shell fragment one end is fixed in cuboid recess bottom surface, and the second shell fragment other end is fixed in cuboid rubber pad top surface, and cuboid rubber pad bottom surface is equipped with second arc recess, second arc recess and the protruding crimping of arc, the mount includes the mount body, and mount body side is equipped with the arc and leads to the groove, and cylindrical support bar one end is fixed in arc and leads to the groove side, and cylindrical support bar one end is equipped with third arc recess, and third arc recess and spheroid contact.
Preferably, the circular truncated cone dryer includes circular truncated cone dryer body, and circular truncated cone dryer body lateral surface is fixed with inhales the sound cover, and circular truncated cone dryer body side is equipped with a plurality of through-holes.
Preferably, a plurality of air guide blocks are fixed on the inner side surface of the circular truncated cone air duct body.
Preferably, the blade comprises a blade body, a triangular blade head is fixed at one end of the blade body, and an arc-shaped blade tail is fixed at the other end of the blade body.
Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: the fan is provided with the bearing device, when the fan works, the rotating shaft drives the bearing inner ring to rotate and drives the ball to rotate, the ball is sleeved on the fixing frame, and the ball body is contacted with the ball, so that the ball body is contacted and rolled with the ball, the friction force is reduced, and the noise is reduced. In addition, fan during operation inevitable can produce slight vibrations, when vibrations take place, the protruding extrusion second arc recess of arc and then extrude the cuboid rubber pad, and compress the second shell fragment, thereby very big buffering the influence of vibrations to bearing device, the buffering of vibrations, be favorable to bearing device's even running again, when producing mutual extrusion effort between bearing outer ring and axle sleeve, because second shell fragment and ball rolling contact, can carry out spacing fully to the ball, avoid because producing the wearing and tearing that lead to the ball because produce little relative displacement between bearing outer ring and the axle sleeve. The round platform air duct comprises a round platform air duct body, the sound absorption sleeve is fixed on the outer side face of the round platform air duct body, and the plurality of through holes are formed in the side face of the round platform air duct body, so that the through holes can absorb noise, and the noise is further reduced. The inner side surface of the circular truncated cone air duct body is fixedly provided with the plurality of air guide blocks, so that air can be discharged conveniently, and the noise is reduced. The blade includes the blade body, and blade body one end is fixed with the triangle-shaped leader, and the blade body other end is fixed with the arc leaf tail, has reduced the rotatory in-process of blade and has produced the noise with air friction.
Drawings
FIG. 1 is a block diagram of one embodiment of the present invention.
Fig. 2 is a structural view of a bearing device according to an embodiment of the present invention.
FIG. 3 is a block diagram of a bearing outer ring in accordance with one embodiment of the present invention.
Fig. 4 is a structural view of a sleeve according to an embodiment of the present invention.
Fig. 5 is a structural view of a fixing frame according to an embodiment of the present invention.
Fig. 6 is a structural view of a circular truncated cone wind tunnel according to an embodiment of the present invention.
FIG. 7 is a block diagram of a blade in accordance with an embodiment of the present invention.
Fig. 8 is a structural view of an oil slinging device in an embodiment of the present invention.
In the figure: 1. a cylindrical air duct; 2. a circular truncated cone wind cylinder; 3. a fixed mount; 4. a fan; 5. a bearing device; 6. a blade; 7. a rotating shaft; 51. a bearing inner ring; 52. a bearing outer ring; 53. a fixed mount; 54. a ball bearing; 55. a shaft sleeve; 56. an oil slinging device; 521. a bearing outer ring body; 522. a first arc-shaped groove; 523. a first spring plate; 524. a cylindrical protrusion; 525. an arc-shaped bulge; 526. an arc-shaped elastic sheet; 551. a shaft sleeve body; 552. a rectangular rubber pad; 553. a second elastic sheet; 554. a rectangular groove; 555. a second arc-shaped groove; 531. a fixed frame body; 532. a cylindrical support rod; 533. a sphere; 534. a third arc-shaped groove; 535. an arc-shaped through groove; 21. a sound absorbing sleeve; 22. the circular truncated cone air duct body; 23. a wind guide block; 24. a through hole; 61. a blade body; 62. slicing head; 63. arc-shaped leaf tails; 561. a hollow sphere; 562. balancing weight; 563. lubricating oil; 564. a circular hole.
Detailed Description
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.
Referring to fig. 1-8, a specific embodiment of the present invention includes a cylindrical wind tunnel 1, a circular truncated cone wind tunnel 2 is fixed at one end of the cylindrical wind tunnel 1, one end of a fixing frame 3 is fixed at the inner side of the cylindrical wind tunnel 1, the other end of the fixing frame 3 is in compression joint with a fan 4, a bearing device 5 is fixed at the center of two ends of the fan 4, the bearing device 5 is sleeved with a rotating shaft 7, one end of the rotating shaft 7, which is close to the circular truncated cone wind tunnel 2, is fixed with a plurality of blades 6: the bearing device 5 comprises a bearing inner ring 51 and a bearing outer ring 52, wherein the inner side surface of the bearing inner ring 51 is sleeved with a rotating shaft 7, a plurality of balls 54 are pressed between the outer side surface of the bearing inner ring 51 and the inner side surface of the bearing outer ring 52, the balls 54 are sleeved in a fixing frame 53, the outer side surface of the bearing outer ring 52 is sleeved with a shaft sleeve 55, the bearing outer ring 52 comprises a bearing outer ring body 521, the side surface of the bearing outer ring body 521 is provided with a first arc-shaped groove 522, the top surface of the first arc-shaped groove 522 is fixedly provided with an arc-shaped elastic sheet 526, the side surface of the bearing outer ring body 521 is fixedly provided with a cylindrical bulge 524, the top surface of the cylindrical bulge 524 is fixedly provided with an arc-shaped bulge 525, one end of a first elastic sheet 523 is connected with the arc-shaped elastic sheet 526, the other end of the first elastic sheet 523, the other end of the second elastic sheet 553 is fixed on the top surface of the cuboid rubber pad 552, the bottom surface of the cuboid rubber pad 552 is provided with a second arc-shaped groove 555, the second arc-shaped groove 555 is in compression joint with the arc-shaped protrusion 525, the fixing frame 53 comprises a fixing frame body 531, the side surface of the fixing frame body 531 is provided with an arc-shaped through groove 535, one end of the cylindrical support rod 532 is fixed on the side surface of the arc-shaped through groove 535, one end of the cylindrical support rod 532 is provided with a third arc-shaped groove 534, the third arc-shaped. When the fan 4 works, the rotating shaft 7 drives the bearing inner ring 51 to rotate and drives the balls 54 to rotate, the balls 54 are sleeved on the fixing frame 53, and the ball 533 is in contact with the balls 54, so that the ball 533 is in contact with the balls 54 to roll, the friction force is reduced, and the noise is reduced. In addition, fan 4 inevitable can produce slight vibrations during operation, when vibrations take place, the protruding 525 extrusion second arc recess 555 of arc and then extrude cuboid rubber pad 552, and compress second shell fragment 553, thereby very big buffering the influence of vibrations to bearing device 5, the buffering of vibrations, be favorable to bearing device 5's even running again, when producing mutual extrusion effort between bearing outer ring 52 and axle sleeve 55, because second shell fragment 533 and ball 54 rolling contact, can carry out spacing fully to ball 54, avoid leading to ball 54's wearing and tearing because of producing little relative displacement between bearing outer ring 52 and the axle sleeve 55.
In addition, in order to further design the invention, the oil slinger 56 is disposed on the inner side surface of the fixing frame 53, the oil slinger 56 comprises a hollow sphere 561, the hollow sphere 561 is filled with lubricating oil 563, a counterweight 562 is fixed at the bottom of the hollow sphere 561, and two circular holes 564 are symmetrically disposed at the top of the hollow sphere 561. When rotating shaft 7 drove bearing arrangement 5 and rotates on the one hand, hollow sphere 561 is rotatory, lubricating oil 563 throws away from round hole 564 under the centrifugal force effect, thereby realized the lubrication to bearing arrangement 5, thereby reduced bearing arrangement 5 pivoted frictional force and reduced the noise, on the other hand throws away oil device 56 when rotating along with bearing arrangement 5, extrude bearing outer ring 52 under self action of gravity, thereby arouse that arc 525 extrudes second arc recess 555 and then extrudees cuboid rubber pad 552, and compression second shell fragment 553, thereby further cushioned the influence of vibrations to bearing arrangement 5, play the effect of catalyst, both increased the lubrication, elastic buffer has been increased, thereby further the noise has been reduced.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a low noise air conditioner fan, including cylindrical dryer (1), cylindrical dryer (1) one end is fixed with round platform dryer (2), mount (3) one end is fixed in cylindrical dryer (1) inboard, mount (3) other end and fan (4) crimping, fan (4) both ends center is fixed with bearing device (5), bearing device (5) cup joint has cup jointed rotation axis (7), rotation axis (7) are close to round platform dryer (2) one end and are fixed with a plurality of blades (6), its characterized in that: the bearing device (5) comprises a bearing inner ring (51) and a bearing outer ring (52), a rotating shaft (7) is sleeved on the inner side surface of the bearing inner ring (51), a plurality of balls (54) are pressed between the outer side surface of the bearing inner ring (51) and the inner side surface of the bearing outer ring (52), the balls (54) are sleeved in a fixing frame (53), the outer side surface of the bearing outer ring (52) is sleeved in a shaft sleeve (55), the bearing outer ring (52) comprises a bearing outer ring body (521), a first arc-shaped groove (522) is arranged on the side surface of the bearing outer ring body (521), an arc-shaped elastic sheet (526) is fixed on the top surface of the first arc-shaped groove (522), a cylindrical bulge (524) is fixed on the side surface of the bearing outer ring body (521), an arc-shaped bulge (525) is fixed on the top surface of the cylindrical bulge (524), one end of the first elastic sheet (523) is connected with the arc-shaped, the shaft sleeve (55) comprises a shaft sleeve body (551), a cuboid groove (554) is formed in the inner side face of the shaft sleeve body (551), one end of a second elastic sheet (553) is fixed to the bottom face of the cuboid groove (554), the other end of the second elastic sheet (553) is fixed to the top face of a cuboid rubber pad (552), a second arc-shaped groove (555) is formed in the bottom face of the cuboid rubber pad (552), the second arc-shaped groove (555) is in crimping connection with an arc-shaped bulge (525), the fixing frame (53) comprises a fixing frame body (531), an arc-shaped through groove (535) is formed in the side face of the fixing frame body (531), one end of a cylindrical support rod (532) is fixed to the side face of the arc-shaped through groove (535), a third arc-shaped groove (534) is formed in one end of the cylindrical support.
2. The low noise air conditioner blower of claim 1, wherein: the circular truncated cone air duct (2) comprises a circular truncated cone air duct body (22), a sound absorbing sleeve (21) is fixed on the outer side face of the circular truncated cone air duct body (22), and a plurality of through holes (24) are formed in the side face of the circular truncated cone air duct body (22).
3. The low noise air conditioner blower of claim 2, wherein: a plurality of air guide blocks (23) are fixed on the inner side surface of the circular truncated cone air duct body (22).
4. The low noise air conditioner blower of claim 1, wherein: the blade (6) comprises a blade body (61), a triangular blade head (62) is fixed at one end of the blade body (61), and an arc-shaped blade tail (63) is fixed at the other end of the blade body (61).
CN202010447194.5A 2020-05-25 2020-05-25 Low-noise air conditioner fan Expired - Fee Related CN111577625B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010447194.5A CN111577625B (en) 2020-05-25 2020-05-25 Low-noise air conditioner fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010447194.5A CN111577625B (en) 2020-05-25 2020-05-25 Low-noise air conditioner fan

Publications (2)

Publication Number Publication Date
CN111577625A true CN111577625A (en) 2020-08-25
CN111577625B CN111577625B (en) 2021-09-17

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004028307A (en) * 2002-06-28 2004-01-29 Ishikawajima Harima Heavy Ind Co Ltd Bearing support structure for jet engine
US20060018774A1 (en) * 2004-07-20 2006-01-26 Fausto Casaro Annular support for rolling bearings
CN203948443U (en) * 2014-07-26 2014-11-19 慈溪市特种轴承有限公司 Damping bearing
CN106704380A (en) * 2017-01-04 2017-05-24 宁波银球小型轴承有限公司 Low-noise long-service-life air-conditioner mute bearing
CN207485886U (en) * 2017-11-16 2018-06-12 东莞市卓博精密五金有限公司 A kind of electromechanics bearing of strong shock resistance
CN108808971A (en) * 2018-06-12 2018-11-13 尹苑苑 A method of improving motor service life
CN208578853U (en) * 2018-08-03 2019-03-05 江阴吉爱倍万达精工有限公司 A kind of robot speed reducer bearing
CN208845403U (en) * 2018-09-20 2019-05-10 江西科宁科技有限公司 A kind of axial flow blower
CN208900408U (en) * 2018-08-31 2019-05-24 浙江翔宇密封件有限公司 A kind of vehicle electric power clutch fan spindle bearing
CN111140520A (en) * 2019-12-30 2020-05-12 浙江欧盾风机有限公司 Low-noise axial flow fan

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004028307A (en) * 2002-06-28 2004-01-29 Ishikawajima Harima Heavy Ind Co Ltd Bearing support structure for jet engine
US20060018774A1 (en) * 2004-07-20 2006-01-26 Fausto Casaro Annular support for rolling bearings
CN203948443U (en) * 2014-07-26 2014-11-19 慈溪市特种轴承有限公司 Damping bearing
CN106704380A (en) * 2017-01-04 2017-05-24 宁波银球小型轴承有限公司 Low-noise long-service-life air-conditioner mute bearing
CN207485886U (en) * 2017-11-16 2018-06-12 东莞市卓博精密五金有限公司 A kind of electromechanics bearing of strong shock resistance
CN108808971A (en) * 2018-06-12 2018-11-13 尹苑苑 A method of improving motor service life
CN208578853U (en) * 2018-08-03 2019-03-05 江阴吉爱倍万达精工有限公司 A kind of robot speed reducer bearing
CN208900408U (en) * 2018-08-31 2019-05-24 浙江翔宇密封件有限公司 A kind of vehicle electric power clutch fan spindle bearing
CN208845403U (en) * 2018-09-20 2019-05-10 江西科宁科技有限公司 A kind of axial flow blower
CN111140520A (en) * 2019-12-30 2020-05-12 浙江欧盾风机有限公司 Low-noise axial flow fan

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