CN105526261A - Double-bearing circulation oil lubricating system under combined centrifugal action of turbines and shaft - Google Patents
Double-bearing circulation oil lubricating system under combined centrifugal action of turbines and shaft Download PDFInfo
- Publication number
- CN105526261A CN105526261A CN201610060412.3A CN201610060412A CN105526261A CN 105526261 A CN105526261 A CN 105526261A CN 201610060412 A CN201610060412 A CN 201610060412A CN 105526261 A CN105526261 A CN 105526261A
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- oil
- axle
- turbine
- bearing
- shaft
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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
- F16C33/30—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
- F16C33/6666—Details of supply of the liquid to the bearing, e.g. passages or nozzles from an oil bath in the bearing housing, e.g. by an oil ring or centrifugal disc
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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
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
- F16C33/6674—Details of supply of the liquid to the bearing, e.g. passages or nozzles related to the amount supplied, e.g. gaps to restrict flow of the liquid
-
- 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
- F16C37/00—Cooling of bearings
- F16C37/007—Cooling of bearings of rolling bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a double-bearing circulation oil lubricating system under combined centrifugal action of turbines and a shaft, and belongs to the technical field of bearing lubricating. The problem that due to the centrifugal action and inevitable temperature rise, one side, close to the shaft axis, of each bearing cannot obtain enough lubricating oil, and consequently, the bearings are forced to be worn is solved. The shaft is sleeved with the inner side oil returning turbine and the end side oil returning turbine, first oil returning channels are formed in an oil sealing inner side cover, second oil returning channels are formed in an oil sealing end side cover, third oil returning channels are formed in a main machine body, and the third oil returning channels are communicated with the first oil returning channels and the second oil returning channels; a shaft end oil storage cavity is formed in the end of the shaft, and the shaft end oil storage cavity is communicated with the outlet ends of the second oil returning channels through a protruding type communication pipe; at least two shaft interior oil passing holes are further formed in the shaft, and the inlet ends of the shaft interior oil passing holes are communicated with the shaft end oil storage cavity; and the outlet ends of the shaft interior oil passing holes supply oil to the bearings. The double-bearing circulation oil lubricating system is particularly suitable for bearing components with a higher rotating speed.
Description
Technical field
The present invention relates to a kind of bearing circulating oil lubrication system, be specifically related to the duplex bearing circulating oil lubrication system under a kind of turbine and the centrifugal acting in conjunction of axle, belong to bearing lubrication technical field.
Background technique
Bearing is the most conventional in mechanical structure is also most important component, traditional bearing structure is the nested combination of Internal and external cycle, often that a circle maintains static dynamic in rotation process, another encloses rotation, can because rub and temperature rising in long-time rotation process, and then consume because temperature is too high, generally adopt filling lubricant oil to ensure the lubrication of bearing to reduce consume, thus alleviate the wearing and tearing of bearing.But because centrifugal action and inevitable temperature raise, make Bearing support paraxial heart side can not get enough lubricant oil, thus make the unavoidable wearing and tearing of bearing.Particularly in the bearing system of High Rotation Speed.
Summary of the invention
Give hereinafter about brief overview of the present invention, to provide about the basic comprehension in some of the present invention.Should be appreciated that this general introduction is not summarize about exhaustive of the present invention.It is not that intention determines key of the present invention or pith, and nor is it intended to limit the scope of the present invention.Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
Given this, the invention provides the duplex bearing circulating oil lubrication system under a kind of turbine and the centrifugal acting in conjunction of axle, at least to solve because centrifugal action and inevitable temperature raise, make Bearing support paraxial heart side can not get enough lubricant oil, thus make bearing have no alternative but the problem of wearing and tearing.
According to an aspect of the present invention, provide the duplex bearing circulating oil lubrication system under a kind of turbine and the centrifugal acting in conjunction of axle, comprise oil sealing inside cover, oil sealing side lid, axle, main engine body, bearing snap spring and two bearings; Install two bearings between described axle and main engine body, bearing fixedly mounts position by bearing snap spring, and the inner side of bearing arranges oil sealing inside cover, and the side of bearing arranges oil sealing side lid; Duplex bearing circulating oil lubrication system under described turbine and the centrifugal acting in conjunction of axle also comprises inner side oil return turbine, side oil return turbine and axle head oil pocket lid; Described inner side oil return turbine and side oil return Cover For A Turbine are connected on axle, and inner side oil return turbine is in inside bearing, and side oil return turbine is in bearing side; Leave certain gap between the outer rim of inner side oil return turbine and oil sealing inside cover inwall, between the outer rim of side oil return turbine and oil sealing side lid inwall, also leave certain gap; Described oil sealing inside cover has at least two the first drainback passages, circumferentially, the import of the first drainback passage is corresponding with the outer rim of inner side oil return turbine at least two the first drainback passages; Described oil sealing side covers and has at least two the second drainback passages, and circumferentially, the import of the second drainback passage is corresponding with the outer rim of side oil return turbine at least two the second drainback passages, and the outlet of the second drainback passage gathers and a place; Described main engine body has at least two the 3rd drainback passages, the 3rd drainback passage is communicated with the second drainback passage with the first drainback passage; The shaft end of described axle has shaft end shoe cream room, shaft end shoe cream room is provided with axle head oil pocket lid, and shaft end shoe cream room is communicated with the second drainback passage outlet end by protruding into formula connecting tube; Axle also has oil through at least two axles, and at least two axles, oil through circumferentially, and in axle, the entrance point of oil through is communicated with shaft end shoe cream room, and in axle, the outlet end of oil through is to bearing fuel feeding.
Further: described inner side oil return turbine and side oil return turbine include wheel disc and the blade of annular array on wheel disc bi-side, and blade is made up of linear blade part and vortex filament blade-section from the inside to the outside; The shape of cross section of blade is circular arc.Setting like this, is convenient to make lubricant oil enter oil duct under the influence of centrifugal force.
Further: the gap between described inner side oil return turbine and oil sealing inside cover and side oil return turbine and oil sealing side cover between gap be 1mm ~ 2mm.
Further: described inner side oil return turbine and side oil return turbine are fixed on axle by bolt pin.Object is that inner side oil return turbine and side oil return turbine are together rotated with axle.
Further: described shaft end shoe cream room is cylindrical, and shaft end shoe cream room and axle are coaxially set.The size of shaft end shoe cream room is advisable with the intensity and functional reliability that do not affect axle.
Further: in described axle oil through and shaft end shoe cream room edge inside tangent.Setting like this, is convenient under centrifugal action, and lubricant oil to enter in axle oil through smoothly to bearing fuel feeding.
Further: in described axle, the axis being parallel of oil through is in axle, in axle, circumferentially axle center is symmetrical for oil through, and quantity, size and position be not to affect the intensity of axle and functional reliability for principle.
Further: in described axle, the outlet end of oil through is positioned in the middle of two bearings.Setting like this, fuel feeding better effects if.
Further: described axle head oil pocket lid is connected with male thread, and hand of spiral is contrary with the sense of rotation of axle.Object is that axle head oil pocket lid can not be got loose because axle rotates, and revolves tighter and tighter on the contrary.
Further: described in protrude into formula connecting tube and oil sealing side and cover and make one, axle head oil pocket covers and is processed with via hole, protrudes into and formula connecting tube inserts via hole.Be convenient to fuel-displacedly fall into shaft end shoe cream room.
The effect that reaches of duplex bearing circulating oil lubrication system under the turbine that the present invention proposes and the centrifugal acting in conjunction of axle is: circulating oil lubrication mode of the present invention takes away certain heat to bearing, bearing is lowered the temperature, Bearing support paraxial heart side is made to obtain enough lubricant oil, thus avoid bearing excessive wear, this lubricating system is specially adapted to the higher bearing part of rotating speed.
Accompanying drawing explanation
Fig. 1 is the structural drawing of the duplex bearing circulating oil lubrication system under turbine and the centrifugal acting in conjunction of axle according to an embodiment of the invention;
Fig. 2 is the structural drawing of oil return turbine according to an embodiment of the invention;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the right elevation of Fig. 2;
Fig. 5 is the longitudinal section of blade;
Fig. 6 is the cross-sectional view of blade;
In figure: oil return turbine inside 1-; 2-side oil return turbine; 3-oil sealing inside cover; 4-oil sealing side is covered; 5-axle; 6-first drainback passage; 7-second drainback passage; 8-the 3rd drainback passage; 9-axle head oil pocket lid; 10-shaft end shoe cream room; Oil through in 11-axle; 12-protrudes into formula connecting tube; 13-main engine body; 14-bearing snap spring; 15-bearing; 16-wheel disc; 17-blade; 18-linear blade part; 19-vortex filament blade-section.
Embodiment
To be described one exemplary embodiment of the present invention by reference to the accompanying drawings hereinafter.For clarity and conciseness, all features of actual mode of execution are not described in the description.But, should understand, must make a lot specific to the decision of mode of execution in the process of any this practical embodiments of exploitation, to realize the objectives of developer, such as, meet those restrictive conditions relevant to system and business, and these restrictive conditions may change to some extent along with the difference of mode of execution.In addition, although will also be appreciated that development is likely very complicated and time-consuming, concerning the those skilled in the art having benefited from the disclosure of invention, this development is only routine task.
At this, also it should be noted is that, in order to avoid the present invention fuzzy because of unnecessary details, illustrate only in the accompanying drawings with according to the closely-related apparatus structure of the solution of the present invention and/or treatment step, and eliminate other details little with relation of the present invention.
As shown in Figures 1 to 6, The embodiment provides the duplex bearing circulating oil lubrication system under a kind of turbine and the centrifugal acting in conjunction of axle, comprise oil sealing inside cover 3, oil sealing side lid 4, axle 5, main engine body 13, bearing snap spring 14 and two bearings 15; Install two bearings 15 between described axle 5 and main engine body 13, bearing 15 fixedly mounts position by bearing snap spring 14, and the inner side of bearing 15 arranges oil sealing inside cover 3, and the side of bearing 15 arranges oil sealing side lid 4; Duplex bearing circulating oil lubrication system under described turbine and the centrifugal acting in conjunction of axle also comprises inner side oil return turbine 1, side oil return turbine 2 and axle head oil pocket lid 9; Described inner side oil return turbine 1 and side oil return turbine 2 are socketed on axle 5, and inner side oil return turbine 1 is in inside bearing 15, and side oil return turbine 2 is in bearing 15 side; Leave certain gap between the outer rim of inner side oil return turbine 1 and oil sealing inside cover 3 inwall, the outer rim of side oil return turbine 2 and oil sealing side are covered between 4 inwalls and are also left certain gap; Described oil sealing inside cover 3 has at least two the first drainback passages 6, at least two the first drainback passages 6 circumferentially, the import of the first drainback passage 6 is corresponding with the outer rim of inner side oil return turbine 1; Described oil sealing side lid 4 has at least two the second drainback passages 7, at least two the second drainback passages 7 circumferentially, and the import of the second drainback passage 7 is corresponding with the outer rim of side oil return turbine 2, and the outlet of the second drainback passage 7 gathers and a place; Described main engine body 13 has at least two the 3rd drainback passage the 8, three drainback passages 8 to be communicated with the second drainback passage 7 with the first drainback passage 6; The shaft end of described axle 5 has shaft end shoe cream room 10, shaft end shoe cream room 10 is provided with axle head oil pocket lid 9, and shaft end shoe cream room 10 is communicated with the second drainback passage 7 outlet end by protruding into formula connecting tube 12; Axle 5 also has oil through 11 at least two axles, at least two axles, oil through 11 circumferentially, and in axle, the entrance point of oil through 11 is communicated with shaft end shoe cream room 10, and in axle, the outlet end of oil through 11 is to bearing 15 fuel feeding.
More specifically: described inner side oil return turbine 1 and side oil return turbine 2 include wheel disc 16 and the blade 17 of annular array on wheel disc 16 bi-side, and blade 17 is made up of linear blade part 18 and vortex filament blade-section 19 from the inside to the outside; The shape of cross section of blade 17 is circular arc.
More specifically: the gap that the gap between described inner side oil return turbine 1 and oil sealing inside cover 3 and side oil return turbine 2 and oil sealing side are covered between 4 is 1mm ~ 2mm.
More specifically: described inner side oil return turbine 1 and side oil return turbine 2 are fixed on axle 5 by bolt pin.
More specifically: described shaft end shoe cream room 10 is cylindrical, shaft end shoe cream room 10 and axle 5 are coaxially set.
More specifically: tangent inside oil through 11 and the edge of shaft end shoe cream room 10 in described axle.
More specifically: in described axle, the axis being parallel of oil through 11 is in axle 5, oil through 11 circumferentially axle center symmetry in axle.
More specifically: in described axle, the outlet end of oil through 11 is positioned in the middle of two bearings 15.
More specifically: described axle head oil pocket lid 9 is threaded with axle 5, and hand of spiral is contrary with the sense of rotation of axle 5.
More specifically: described in protrude into and formula connecting tube 12 cover 4 with oil sealing side and make integrally, axle head oil pocket lid 9 is processed with via hole, protrudes into and formula connecting tube 12 insert via hole.
The circulating oil system that the present invention describes is realized by the blade structure rotated together with the axis with special shape.Impelling when rotating with axle lubrication oil circulation to flow by oil return turbine, making lubrication oil circulation play three aspect effects: play circulating cooling effect on the one hand; Play on the other hand and make the full lubrication of bearing, by providing lubricant oil more than needed to carry out lubricating bearings near axial portions for Bearing support paraxial heart side, do like this is because make lubricant oil herein reduce or not have in bearing High Rotation Speed due to centrifugal action near side, axle center, a small amount of or overheated without lubricant oil can cause bearing lubrication not enough, and then cause the damage of bearing; Last aspect plays the effect of oil sealing and disc, also the lubricant oil that flows vertically can be intercepted and by Excess lubricating oil shutoff at case inside, making it can not be excessive by the acting in conjunction with housing.
Blade structure form of the present invention is centrifugal straight line radially and submarginal vortex filament two-part, and the cross section of blade is circular arc.Oil return turbine of the present invention and oil sealing inside cover 3, oil sealing side cover 4, main engine body 13 and each passage form a set of pumping circulation loop jointly, impel lubricating oil flow.Overall structure, the present invention is by improvement, integrates and simplifies pumping system, originally additional pumping system has been fused in lubrication agent structure, has become a part for lubrication agent structure.
Although disclosed mode of execution as above, the mode of execution that its content just adopts for the ease of understanding technological scheme of the present invention, is not intended to limit the present invention.Technician in any the technical field of the invention; under the prerequisite not departing from disclosed core technology scheme; any amendment and change can be made in the form implemented and details; but the protection domain that the present invention limits, the scope that still must limit with appending claims is as the criterion.
Claims (9)
1. the duplex bearing circulating oil lubrication system under turbine and the centrifugal acting in conjunction of axle, comprises oil sealing inside cover (3), oil sealing side lid (4), axle (5), main engine body (13), bearing snap spring (14) and two bearings (15); Two bearings (15) are installed between described axle (5) and main engine body (13), bearing (15) is by bearing snap spring (14) fixed installation position, the inner side of bearing (15) arranges oil sealing inside cover (3), and the side of bearing (15) arranges oil sealing side lid (4); It is characterized in that: the duplex bearing circulating oil lubrication system under described turbine and the centrifugal acting in conjunction of axle also comprises inner side oil return turbine (1), side oil return turbine (2) and axle head oil pocket lid (9); Described inner side oil return turbine (1) and side oil return turbine (2) are socketed on axle (5), inner side oil return turbine (1) is in bearing (15) inner side, and side oil return turbine (2) is in bearing (15) side; Leave certain gap between the outer rim of inner side oil return turbine (1) and oil sealing inside cover (3) inwall, the outer rim of side oil return turbine (2) and oil sealing side are covered between (4) inwall and are also left certain gap; Described oil sealing inside cover (3) has at least two the first drainback passages (6), circumferentially, the import of the first drainback passage (6) is corresponding with the outer rim of inner side oil return turbine (1) at least two the first drainback passages (6); Described oil sealing side lid (4) has at least two the second drainback passages (7), at least two the second drainback passages (7) circumferentially, the import of the second drainback passage (7) is corresponding with the outer rim of side oil return turbine (2), and the outlet of the second drainback passage (7) gathers and a place; Described main engine body (13) has at least two the 3rd drainback passages (8), the 3rd drainback passage (8) is communicated with the second drainback passage (7) with the first drainback passage (6); The shaft end of described axle (5) has shaft end shoe cream room (10), shaft end shoe cream room (10) is provided with axle head oil pocket lid (9), shaft end shoe cream room (10) is communicated with the second drainback passage (7) outlet end by protruding into formula connecting tube (12); Axle (5) also has oil through (11) at least two axles, in at least two axles, oil through (11) circumferentially, in axle, the entrance point of oil through (11) is communicated with shaft end shoe cream room (10), and in axle, the outlet end of oil through (11) is to bearing (15) fuel feeding.
2. the duplex bearing circulating oil lubrication system under turbine according to claim 1 and the centrifugal acting in conjunction of axle, it is characterized in that: described inner side oil return turbine (1) and side oil return turbine (2) include wheel disc (16) and the blade (17) of annular array on wheel disc (16) bi-side, and blade (17) is made up of linear blade part (18) and vortex filament blade-section (19) from the inside to the outside; The shape of cross section of blade (17) is circular arc.
3. the duplex bearing circulating oil lubrication system under turbine according to claim 2 and the centrifugal acting in conjunction of axle, is characterized in that: described inner side oil return turbine (1) and side oil return turbine (2) are fixed on axle (5) by bolt pin.
4. the duplex bearing circulating oil lubrication system under turbine according to claim 2 and the centrifugal acting in conjunction of axle, it is characterized in that: described shaft end shoe cream room (10) is cylindrical, shaft end shoe cream room (10) and axle (5) are coaxially set.
5. the duplex bearing circulating oil lubrication system under turbine according to claim 4 and the centrifugal acting in conjunction of axle, is characterized in that: tangent inside oil through (11) and the edge of shaft end shoe cream room (10) in described axle.
6. the duplex bearing circulating oil lubrication system under the turbine according to claim 4 or 5 and the centrifugal acting in conjunction of axle, it is characterized in that: in described axle, the axis being parallel of oil through (11) is in axle (5), in axle, circumferentially axle center is symmetrical for oil through (11).
7. the duplex bearing circulating oil lubrication system under turbine according to claim 6 and the centrifugal acting in conjunction of axle, is characterized in that: in described axle, the outlet end of oil through (11) is positioned in the middle of two bearings (15).
8. the duplex bearing circulating oil lubrication system under turbine according to claim 1 and the centrifugal acting in conjunction of axle, it is characterized in that: described axle head oil pocket lid (9) is threaded with axle (5), and hand of spiral is contrary with the sense of rotation of axle (5).
9. the duplex bearing circulating oil lubrication system under turbine according to claim 8 and the centrifugal acting in conjunction of axle, it is characterized in that: described in protrude into formula connecting tube (12) and oil sealing side and cover (4) and make integrally, axle head oil pocket lid (9) is processed with via hole, protrudes into and formula connecting tube (12) insert via hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060412.3A CN105526261B (en) | 2016-01-28 | 2016-01-28 | Turbine and the duplex bearing circulating oil lubrication system under axle centrifugation collective effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060412.3A CN105526261B (en) | 2016-01-28 | 2016-01-28 | Turbine and the duplex bearing circulating oil lubrication system under axle centrifugation collective effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105526261A true CN105526261A (en) | 2016-04-27 |
| CN105526261B CN105526261B (en) | 2018-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610060412.3A Active CN105526261B (en) | 2016-01-28 | 2016-01-28 | Turbine and the duplex bearing circulating oil lubrication system under axle centrifugation collective effect |
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| Country | Link |
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| CN (1) | CN105526261B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126783A (en) * | 2022-07-22 | 2022-09-30 | 中国航发湖南动力机械研究所 | Double-fulcrum common bearing support seat with oil supply device and engine comprising same |
| WO2023142189A1 (en) * | 2022-01-28 | 2023-08-03 | 浙江水泵总厂有限公司 | Bearing lubricating structure and barrel pump having same |
| WO2023142188A1 (en) * | 2022-01-28 | 2023-08-03 | 浙江水泵总厂有限公司 | Bearing lubricating structure and barrel pump having same |
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| DE3115193A1 (en) * | 1981-04-15 | 1982-11-11 | Industriewerk Schaeffler Ohg, 8522 Herzogenaurach | Radial rolling-contact bearing with oil-bath lubrication |
| CN1133402A (en) * | 1995-08-01 | 1996-10-16 | 爱三工业株式会社 | Regenerative pump |
| JP2000192971A (en) * | 1998-12-28 | 2000-07-11 | Nsk Ltd | Rolling bearing lubricating device |
| WO2003029671A1 (en) * | 2001-10-03 | 2003-04-10 | Vestas Wind Systems A/S | Apparatus for lubricating the bearings of an electrical power generator in a wind turbine |
| CN102808663A (en) * | 2011-05-31 | 2012-12-05 | 霍尼韦尔国际公司 | Bearing assembly |
| CN203114501U (en) * | 2013-03-07 | 2013-08-07 | 重庆云河水电股份有限公司 | Lubricating structure of internal circulation bearing of main shaft of hydro-generator |
| CN103759090A (en) * | 2014-01-06 | 2014-04-30 | 东莞市华汇精密机械有限公司 | Asphalt conveying device with preheating function |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR1486169A (en) * | 1966-07-08 | 1967-06-23 | Electro-mechanical rotating vibrator | |
| DE3115193A1 (en) * | 1981-04-15 | 1982-11-11 | Industriewerk Schaeffler Ohg, 8522 Herzogenaurach | Radial rolling-contact bearing with oil-bath lubrication |
| CN1133402A (en) * | 1995-08-01 | 1996-10-16 | 爱三工业株式会社 | Regenerative pump |
| JP2000192971A (en) * | 1998-12-28 | 2000-07-11 | Nsk Ltd | Rolling bearing lubricating device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023142189A1 (en) * | 2022-01-28 | 2023-08-03 | 浙江水泵总厂有限公司 | Bearing lubricating structure and barrel pump having same |
| WO2023142188A1 (en) * | 2022-01-28 | 2023-08-03 | 浙江水泵总厂有限公司 | Bearing lubricating structure and barrel pump having same |
| CN115126783A (en) * | 2022-07-22 | 2022-09-30 | 中国航发湖南动力机械研究所 | Double-fulcrum common bearing support seat with oil supply device and engine comprising same |
| CN115126783B (en) * | 2022-07-22 | 2023-11-28 | 中国航发湖南动力机械研究所 | Double-fulcrum shared bearing support seat with oil supply device and engine comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105526261B (en) | 2018-02-13 |
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