CN105526264A - Self-aligning ball bearing with angle compensation function and damping function - Google Patents

Self-aligning ball bearing with angle compensation function and damping function Download PDF

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Publication number
CN105526264A
CN105526264A CN201610095307.3A CN201610095307A CN105526264A CN 105526264 A CN105526264 A CN 105526264A CN 201610095307 A CN201610095307 A CN 201610095307A CN 105526264 A CN105526264 A CN 105526264A
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CN
China
Prior art keywords
groove
ball bearing
flow liquid
magnetic flow
ring
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201610095307.3A
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Chinese (zh)
Inventor
张广
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Individual
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Individual
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Priority to CN201610095307.3A priority Critical patent/CN105526264A/en
Publication of CN105526264A publication Critical patent/CN105526264A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/762—Sealings of ball or roller bearings by means of a fluid
    • F16C33/763—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap
    • F16C33/765—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap by a magnetic field
    • 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
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
    • F16C27/045—Ball or roller bearings, e.g. with resilient rolling bodies with a fluid film, e.g. squeeze film damping
    • 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
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/06—Ball or roller bearings
    • F16C23/08—Ball or roller bearings self-adjusting
    • F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
    • 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
    • F16C33/34—Rollers; Needles
    • 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
    • F16C33/46—Cages for rollers or needles
    • F16C33/56—Selection of substances
    • 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
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/767—Sealings of ball or roller bearings integral with the race
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
    • F16F9/535—Magnetorheological [MR] fluid dampers
    • 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
    • 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
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/06—Ball or roller bearings
    • F16C23/08—Ball or roller bearings self-adjusting
    • F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
    • F16C23/084—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface sliding on a complementary spherical surface
    • 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
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/06—Ball or roller bearings
    • F16C23/08—Ball or roller bearings self-adjusting
    • F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
    • F16C23/086—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface forming a track for rolling elements
    • 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
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention relates to a self-aligning ball bearing with an angle compensation function and a damping function. The self-aligning ball bearing with the angle compensation function and the damping function is used for compensating part machining errors and angle errors caused in the part installation process and also has the damping function. The self-aligning ball bearing comprises an outer ring, an inner ring, rolling bodies, retainers, an isolating ring, an electromagnetic coil, spiral oil seal grooves and magneto rheological fluid. A circular groove similar to a circular arc shape is formed in the inner ring of the bearing. The two sides of the circular groove are designed into the spiral oil seal grooves. The middle part of the circular groove is filled with the magneto rheological fluid. The spiral oil seal grooves at the two ends are filled with oil-like objects used for sealing of the magneto rheological fluid and called as oil seals. The oil-like objects have the characteristics of high viscosity and low fluidity, and the oil-like objects do not mix with base carrier fluid in the magneto rheological fluid; the inner ring of the bearing is provided with the groove, and the electromagnetic coil is coiled in the groove and separated from the magneto rheological fluid through the isolating ring. The self-aligning ball bearing has the characteristics of simple structure, easy and convenient operation, controllable transmission torque and the like.

Description

A kind of selfaligning ball bearing having angle compensation function and vibration-damping function concurrently
Technical field
The present invention relates to selfaligning ball bearing, especially relate to a kind of selfaligning ball bearing having angle compensation function and vibration-damping function concurrently.
Background technique
Along with society's constantly progress, not only the overall qualities of people are had higher requirement, and more modern requirement is proposed to our processing manufacturing industry, require product constantly toward light, small and exquisite and powerful etc. future development, and this developing direction is propose higher level requirement to the machining accuracy of machining equipment after all.Therefore, installation precision when we need the manufacturing precision of raising component and component to install.The manufacturing of the product of present many enterprises has a set of fairly perfect full-automatic or semiautomatic production equipment, which greatly enhances the manufacturing efficiency of product, but it is all the same that the quality of the product that the production line that practice tells us such is produced is not for each and every one, defect rate also needs to reduce further, the reason producing this situation has a lot, one of them reason is on automatic line and itself exists precision problem, if provide a kind of bearing, magnetic flow liquid (a kind of intellectual material) is added inside bearing, can perception outside environment change and make suitable response, so just can be run by our parameter set in advance, just can greatly reduce the spatial motion error that manufacturing error and alignment error due to part cause in such event, this intellectual material has the function of vibration reduction and cushioning, so the mechanical vibration of a part can be absorbed, turn eliminate the machining error owing to vibrating caused machinery, and the structure of this bearing is simple, easy to process, cost is low and its transmitting torque has controlled function.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of selfaligning ball bearing having angle compensation function and vibration-damping function concurrently.The feature that device has is: decrease the spatial motion error that manufacturing error and alignment error due to part cause; And there is the function of vibration reduction and cushioning in addition, the mechanical vibration of a part can be absorbed; And the structure of this bearing is simple, easy to process, cost is low and its transmitting torque has the feature such as controlled.
In order to effectively realize the function and characteristic as above, the present invention realizes as follows: device is mainly by outer ring, and inner ring, rolling element, retainer, cage ring, electromagnetic coil, spiral type oil sealing groove, magnetic flow liquid forms.Be connected by rolling element between inner ring with outer ring, rolling element is positioned by retainer; Bearing inner race has the annular groove of similar circular arc, and annular groove both sides are designed to spiral type oil sealing groove, and magnetic flow liquid is filled in this annular groove intermediate portion, is full of oily object, for the sealing of magnetic flow liquid, is referred to as oil sealing in the spiral sealing groove at two ends; The characteristic of oily object is high viscosity, lazy flow, and immiscible with the base load liquid in magnetic flow liquid; Bearing inner race has groove, and itself and magnetic flow liquid inside this groove, and are isolated by cage ring by electromagnetic coil.The material of the material of outer ring, rolling element and retainer is non-magnet material, and inner ring is the material that magnetic property is good.
When having angular error between the bearing support at the axle two ends caused by the foozle of component and alignment error, it is large that usual axle will overcome the moment that the force rate self required for this error will transmit in the process run, based on this feature, in advance by regulating the size of current flowing through electromagnetic coil, thus the magnetic field of some strength is produced in the space at inner ring and magnetic flow liquid place, make magnetic flow liquid generation rheological phenomena, (size of this power is greater than the moment that axle will transmit finally to allow magnetic flow liquid have certain shear yielding power, be less than the power overcome needed for error), so, the shear yielding power that magnetic flow liquid has can occur to flow thus can keep again the validity of transmission while compensating error, in addition magnetic flow liquid can absorb a part of mechanical vibration, thus has cut down the parts machining foozle caused by mechanical vibration.
A kind of good effect having the selfaligning roller bearing of angle compensation function and vibration-damping function concurrently of the present invention is: the rheological phenomena utilizing magnetic flow liquid, magnetic rheology effect is controlled in certain intensity, reach the function of compensating error, in addition magnetic flow liquid can absorb a part of mechanical vibration, thus has cut down the parts machining foozle caused by mechanical vibration.And the structure of this bearing is simple, easy to process, cost is low and its transmitting torque has controlled etc. feature.
Accompanying drawing explanation
Fig. 1 is a kind of internal structure principle schematic having the selfaligning ball bearing of angle compensation function and vibration-damping function concurrently of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in more detail.
As shown in Figure 1, a kind of selfaligning ball bearing having angle compensation function and vibration-damping function concurrently of the present invention, this device is mainly by outer ring 1, and inner ring 2, rolling element 3, retainer 4, cage ring 5, electromagnetic coil 6, spiral type oil sealing groove 7, magnetic flow liquid 8 forms.Be connected by rolling element 3 between inner ring 2 with outer ring 1, rolling element 3 is positioned by retainer 4; Bearing inner race 2 has the annular groove of similar circular arc, and annular groove both sides are designed to spiral type oil sealing groove 7, and magnetic flow liquid 8 is filled in this annular groove intermediate portion, is full of oily object, for the sealing of magnetic flow liquid 8, is referred to as oil sealing in the spiral sealing groove 7 at two ends; The characteristic of oily object is high viscosity, lazy flow, and immiscible with the base load liquid in magnetic flow liquid 8; Bearing inner race 2 has groove, and itself and magnetic flow liquid 8 inside this groove, and are isolated by cage ring 5 by electromagnetic coil 6.The material of the material of outer ring 1, rolling element 3 and retainer 4 is non-magnet material, and inner ring 2 is the material that magnetic property is good.
When having angular error between the bearing support at the axle two ends caused by the foozle of component and alignment error, it is large that usual axle will overcome the moment that the force rate self required for this error will transmit in the process run, based on this feature, in advance by regulating the size of current flowing through electromagnetic coil 6, thus the magnetic field 9 of some strength is produced in the space at inner ring 2 and magnetic flow liquid 8 place, make magnetic flow liquid 8 that rheological phenomena occur, (size of this power is greater than the moment that axle will transmit finally to allow magnetic flow liquid 8 have certain shear yielding power, be less than the power overcome needed for error), so, the shear yielding power that magnetic flow liquid 8 has can occur to flow thus can keep again the validity of transmission while compensating error, in addition magnetic flow liquid 8 can absorb a part of mechanical vibration, thus has cut down the parts machining foozle caused by mechanical vibration.
Utilize the rheological phenomena of magnetic flow liquid 8, controlled by magnetic rheology effect, in certain intensity, to reach the function of compensating error, magnetic flow liquid 8 can absorb a part of mechanical vibration in addition, thus has cut down the parts machining foozle caused by mechanical vibration.And the structure of this bearing is simple, easy to process, cost is low and its transmitting torque has controlled etc. feature.

Claims (2)

1. have a selfaligning ball bearing for angle compensation function and vibration-damping function concurrently, device is mainly made up of outer ring, inner ring, rolling element, retainer, cage ring, electromagnetic coil, spiral type oil sealing groove, magnetic flow liquid; It is characterized in that: be connected by rolling element (3) between inner ring (2) with outer ring (1), described rolling element (3) is located by retainer (4); Described bearing inner race (2) has the annular groove of similar circular arc, described annular groove both sides are designed to spiral type oil sealing groove (7), described magnetic flow liquid (8) is filled in this annular groove intermediate portion, oily object is full of in the spiral sealing groove (7) at two ends, for the sealing of magnetic flow liquid (8), be called oil sealing; The characteristic of described oily object is high viscosity, lazy flow, and immiscible with the base load liquid in magnetic flow liquid (8); Described bearing inner race (2) has groove, and itself and magnetic flow liquid (8), and to be isolated by cage ring (5) around (6) by electromagnetic coil inside this groove.
2. a kind of selfaligning ball bearing having angle compensation function and vibration-damping function concurrently according to claim 1; It is characterized in that: the material of the material of described outer ring (1), rolling element (3) and retainer (4) is non-magnet material, described inner ring (2) is the good material of magnetic property.
CN201610095307.3A 2016-02-17 2016-02-17 Self-aligning ball bearing with angle compensation function and damping function Withdrawn CN105526264A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610095307.3A CN105526264A (en) 2016-02-17 2016-02-17 Self-aligning ball bearing with angle compensation function and damping function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610095307.3A CN105526264A (en) 2016-02-17 2016-02-17 Self-aligning ball bearing with angle compensation function and damping function

Publications (1)

Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110005706A (en) * 2018-01-03 2019-07-12 斯凯孚公司 The roller of sensingization

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06207616A (en) * 1993-01-12 1994-07-26 Sankyo Seiki Mfg Co Ltd Magnetic fluid bearing device
US5372432A (en) * 1993-07-16 1994-12-13 Nippon Ferrofluidics Corporation Dynamic pressure bearing assembly
CN200989445Y (en) * 2006-05-25 2007-12-12 北京航空航天大学 Magnetic fluid centring seal bearing
CN201401441Y (en) * 2009-04-07 2010-02-10 温岭市环宇轴承有限公司 Aligning ball bearing
CN202510584U (en) * 2012-04-06 2012-10-31 浙江师范大学 Cylindrical magnetorheological fluid coupling
CN202560878U (en) * 2012-05-18 2012-11-28 浙江师范大学 Ball type magnetorheological coupling
CN202597545U (en) * 2012-06-15 2012-12-12 山东科技大学 Magnetorheological fluid elastic coupling

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06207616A (en) * 1993-01-12 1994-07-26 Sankyo Seiki Mfg Co Ltd Magnetic fluid bearing device
US5372432A (en) * 1993-07-16 1994-12-13 Nippon Ferrofluidics Corporation Dynamic pressure bearing assembly
CN200989445Y (en) * 2006-05-25 2007-12-12 北京航空航天大学 Magnetic fluid centring seal bearing
CN201401441Y (en) * 2009-04-07 2010-02-10 温岭市环宇轴承有限公司 Aligning ball bearing
CN202510584U (en) * 2012-04-06 2012-10-31 浙江师范大学 Cylindrical magnetorheological fluid coupling
CN202560878U (en) * 2012-05-18 2012-11-28 浙江师范大学 Ball type magnetorheological coupling
CN202597545U (en) * 2012-06-15 2012-12-12 山东科技大学 Magnetorheological fluid elastic coupling

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
许兆棠、刘永臣: "《汽车构造（下）》", 31 August 2012, 国防工业出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110005706A (en) * 2018-01-03 2019-07-12 斯凯孚公司 The roller of sensingization

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Application publication date: 20160427

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