CN101978034A - Torque limiter and lubricating oil for torque limiter - Google Patents
Torque limiter and lubricating oil for torque limiter Download PDFInfo
- Publication number
- CN101978034A CN101978034A CN2009801102724A CN200980110272A CN101978034A CN 101978034 A CN101978034 A CN 101978034A CN 2009801102724 A CN2009801102724 A CN 2009801102724A CN 200980110272 A CN200980110272 A CN 200980110272A CN 101978034 A CN101978034 A CN 101978034A
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- torque
- inner part
- lubricating oil
- friction
- torque limiter
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D7/00—Slip couplings, e.g. slipping on overload, for absorbing shock
- F16D7/02—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type
- F16D7/022—Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type with a helical band or equivalent member co-operating with a cylindrical torque limiting coupling surface
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/02—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
- C10M107/10—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation containing aliphatic monomer having more than 4 carbon atoms
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
- C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/02—Pour-point; Viscosity index
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/06—Instruments or other precision apparatus, e.g. damping fluids
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Lubricants (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
- Transmission Devices (AREA)
Abstract
A stick-slip is prevented from occurring between the frictional surface of an inner member and a torque-transmitting member, and an initial decrease in transmitted torque is diminished. A lubricating oil for torque limiters is provided which is to be supplied to the outer cylindrical surface of a cylindrical inner member serving as an input member (2) on which a coil spring (4) is tightened. The lubricating oil comprises a poly-a-olefin oil as the base oil and has a dynamic viscosity at 40 DEG C of 200-500 mm2/s. This lubricating oil prevents a stick-slip from occurring between the outer cylindrical surface, as a frictional surface, of the inner member and the coil spring (4) serving as a torque-transmitting member, and diminishes an initial decrease in transmitted torque.
Description
Technical field
The torque limiter and the torque limiter lubricating oil that the present invention relates to utilize the surface of friction of being located at cylindric or columned inner part and the frictional force between the torque transmission member to come transmitting torque.
Background technology
In the torque limiter that in the sheet feed section of office machine etc., uses, use torque limiter as described below: with at least one side in input block and the output block as cylindric or columned inner part, and the torque transmission member that will be clipped between input block and the output block presses on the surface of friction that is located on the inner part, utilize the surface of friction of this inner part and the frictional force between the torque transmission member with torque from input block to the output block transmission, and to the surface of friction supplying lubricating oil of described inner part, when on described output block, acting on the load more than the regulation, the surface of friction of described torque transmission member and described inner part is slided, described input block idle running is (for example, with reference to patent documentation 1,2).
In the past, be supplied in the torque limiter lubricating oil of the surface of friction of above-mentioned inner part, using the kinematic viscosity under 40 ℃ usually is 100～200mm
2The mineral oil of/s, synthetic oil, inner part forms with metal sintering parts, and lubricating oil is contained be dipped in the inner part that this forms with sintered component.Also having in addition with the hot and humid torque limiter that uses down to be object, is 500～1200mm by use to the kinematic viscosity under by 40 ℃
2The lubricating oil that has cooperated emulsifying agent in the base oil that the saturated synthetic hydrocarbon oil of/s is formed prevents to sneak into drops because of moisture the technology (for example, with reference to patent documentation 3) of the decline of the oilness that causes.
Patent documentation 1: Japan opens flat 5-8062 communique in fact
Patent documentation 2: Japanese kokai publication hei 8-270675 communique
Patent documentation 3: TOHKEMY 2006-2018 communique
The normally used in the past kinematic viscosity that is used to be supplied in the surface of friction of above-mentioned inner part is 100～200mm
2The torque limiter lubricating oil of/s is easy to generate oil film breakage when low speed rotation, have the problem of creep between the surface of friction of inner part and the torque transmission member (stick-slip).When this creeping taken place, as shown in Figure 6, transmitting torque changed with spination, and output block rotates smoothly and is obstructed, and ear-piercing extraordinary noise takes place.
In addition, when torque limiter lubricating oil is the mineral oil condition, frictional coefficient step-down under the influence of the sulphur composition that comprises as impurity, impurity causes chemical erosion to the resin component that constitutes torque limiter sometimes in addition, so be difficult to keep long-term and stably the transmission of torque.Also exist lubricating oil from the torque limiter leakage and to being installed in the possibility that outside resin components such as rubber rollers cause chemical erosion.
If as record in the patent documentation 3, using the kinematic viscosity of base oil is 500～1200mm
2The heavy oil of/s, the viscosity degradation of then following the temperature of start of run to rise is big, and as shown in Figure 7, the initial stage slippage Δ T of transmitting torque becomes big problem when having start of run.Because torque limiter is to design with the steady periodic transmitting torque that transmitting torque has been stablized, therefore transmitting torque initial stage, slippage Δ T became big the time, not only the transmission of torque of start of run becomes unstable, but also may cause shortening endurance life because of excessive transmission of torque to output block at start of run.
Summary of the invention
Therefore, problem of the present invention is, prevent to creep between the surface of friction of inner part and the torque transmission member, and the initial stage slippage that reduces transmitting torque.
For solving above-mentioned problem, torque limiter of the present invention has adopted following formation with lubricating oil: be the torque limiter lubricating oil that is supplied in the surface of friction of torque limiter, described torque limiter is as cylindric or columned inner part with at least one side in input block and the output block, and the torque transmission member that will be clipped between input block and the output block presses on the surface of friction that is located on the described inner part, utilize the surface of friction of this inner part and the frictional force between the torque transmission member with torque from input block to the output block transmission, and to the surface of friction supplying lubricating oil of described inner part, when on described output block, acting on the load more than the regulation, the surface of friction of described torque transmission member and described inner part is slided, described input block idle running; Wherein, the base oil of described lubricating oil is to be selected from a kind of in the hydride of poly-alpha olefins and ethene-alpha-olefin copolymer or to make up two or more saturated synthetic hydrocarbon oils, and the kinematic viscosity of 40 ℃ described lubricating oil is 200～500mm
2/ s.
That is, be made as a kind of in the hydride that is selected from poly-alpha olefins and ethene-alpha-olefin copolymer by base oil or make up two or more saturated synthetic hydrocarbon oils, and the kinematic viscosity of 40 ℃ lubricating oil is made as 200～500mm lubricating oil
2/ s preferably is made as 300～400mm
2/ s, thus prevented to creep between the surface of friction of inner part and the torque transmission member, and reduced the initial stage slippage of transmitting torque.
Why the kinematic viscosity under 40 ℃ of above-mentioned lubricating oil is made as 200mm
2More than/the s, be because the not enough 200mm of kinematic viscosity
2During/s, there is the possibility that produces oil film breakage between the surface of friction of inner part and the torque transmission member.And, why the kinematic viscosity under 40 ℃ is made as 500mm
2Below/the s, be because kinematic viscosity surpasses 500mm
2During/s, the initial stage decline quantitative change of transmitting torque is big.
As the poly-alpha olefins that is used in above-mentioned base oil, can enumerate carbonatomss such as butene-1, iso-butylene-1, α-octene, decylene-1 and be about 3～20 oligopolymer, ethene-alpha-olefin copolymer is the multipolymer of they and ethene.Their hydride becomes aqueous saturated synthetic hydrocarbon oil at normal temperatures, and preferably the kinematic viscosity under 100 ℃ is 40～100mm
2About/s.
In addition, these poly-alpha olefinss, ethene-alpha-olefin copolymer a kind of or make up the base oil of two or more saturated synthetic hydrocarbon oils, because anti-resinousness is superior, can not cause chemical erosion to resin component, and, can stably keep the frictional coefficient of surface of friction because of the low sorptive power to metal covering of polarity is also low.
In addition, torque limiter of the present invention, with at least one side in input block and the output block as cylindric or columned inner part, and the torque transmission member that will be clipped between input block and the output block presses on the surface of friction that is located on the described inner part, utilize the surface of friction of this inner part and the frictional force between the torque transmission member with torque from input block to the output block transmission, and to the surface of friction supplying lubricating oil of described inner part, when on described output block, acting on the load more than the regulation, the surface of friction of described torque transmission member and described inner part is slided, described input block idle running, wherein, at least one side of described inner part and described torque transmission member is formed with the metal sintering parts, and above-mentioned torque limiter is contained with lubricating oil be dipped in this sintered component.By adopting this formation, prevent the oil-break in the surface of friction of inner part, prevent to creep between the surface of friction of inner part and the torque transmission member, and can reduce the initial stage slippage of transmitting torque.
Torque limiter lubricating oil of the present invention, because the base oil of lubricating oil is made as a kind of in the hydride that is selected from poly-alpha olefins and ethene-alpha-olefin copolymer or makes up two or more saturated synthetic hydrocarbon oils, and the kinematic viscosity of 40 ℃ lubricating oil is made as 200～500mm
2/ s preferably is made as 300～400mm
2/ s, thus can prevent to creep between the surface of friction of inner part and the torque transmission member, and can reduce the initial stage slippage of transmitting torque.In addition, because this torque limiter is superior with the anti-resinousness of lubricating oil, so also do not exist the resin component that constitutes torque limiter, be installed in the problem that outside resin component causes chemical erosion.
And, torque limiter of the present invention is at least one side's usefulness metal sintering parts formation with inner part and torque transmission member, and to the above-mentioned torque limiter lubricating oil of this sintered component impregnation, therefore can prevent the oil-break on the surface of friction of inner part, can prevent to creep between the surface of friction of inner part and the torque transmission member, and can reduce the initial stage slippage of transmitting torque.
Description of drawings
Fig. 1 is the longitudinal diagram of the torque limiter of expression first embodiment.
The front elevation of the transmitting torque determinator that uses in the test of Fig. 2 for expression embodiment.
Fig. 3 is the longitudinal diagram of the torque limiter of expression second embodiment.
Fig. 4 analyses and observe front elevation for the torque limiter of expression the 3rd embodiment.
Fig. 5 is the longitudinal diagram of the torque limiter of expression the 4th embodiment.
Fig. 6 is the coordinate figure of the example of the output waveform of the jagged transmitting torque of expression.
Fig. 7 is the coordinate figure of the initial stage slippage of expression transmitting torque.
Label declaration
1 torque limiter
2 input blocks
The 2a flange portion
3 output blocks
The 3a end wall
The 3b lid
4 whiskers
4a path coil portion
The big footpath of 4b coil portion
5 guard shields
6 friction plates
7 whiskers
21 input shafts
22a, 22b electric motor
23 belts
24 shaft couplings
25 output shafts
26 load cells
Embodiment
Below, with reference to the accompanying drawings, embodiments of the present invention are described.Fig. 1 represents first embodiment.In this torque limiter 1, the mode of embedding is fixed on the inner part cylindraceous on the input shaft 21 beyond input block 2 conducts, output block 3 is wound with the whisker 4 as torque transmission member for the outer freely parts cylindraceous that are embedded on the input block 2 of rotation on the periphery of the surface of friction that becomes input block 2.One end of output block 3 cylindraceous seals with end wall 3a, and the other end seals with the resinous lid 3b that constitutes separately, and portion's inclosure within it has the torque limiter lubricating oil that is lubricated between the periphery of pair input block 2 and the whisker 4.And input block 2 is formed by the metal sintering parts, and torque limiter is also contained with lubricating oil is dipped in input block 2.This lubricating oil is poly ﹠ Alpha ,-olefin oil (the saturated synthetic hydrocarbon oil of base oil for being made up of the hydride of poly-alpha olefins), and 40 ℃ kinematic viscosity is 200～500mm
2/ s.
On end wall 3a that the big footpath coil portion 4b that above-mentioned whisker 4 has the path coil portion 4a on the periphery that is fastened on input block 2 and floats from the periphery of input block 2, two ends card end at output block 3 and the lid 3b.When seeing the direction rotation opposite with the coil coiling direction from lid 3b side, the fastening force of whisker 4 increases at input block 2, utilize and the periphery of input block 2 between frictional force to output block 3 transmitting torques.In addition, when on output block 3, acting on the load more than the regulation,, make input block 2 idle running because of the torque limiter of being supplied with slides with the periphery of lubricating oil whisker 4 with input block 2.
Embodiment
Prepared and to be made as 200～500mm as the torque limiter that is supplied in above-mentioned input block periphery with the kinematic viscosity under 40 ℃ of the poly ﹠ Alpha ,-olefin oil of lubricating oil as embodiment
2The torque limiter of/s (embodiment 1～6).Prepared as a comparative example and will be made as 100mm respectively with the kinematic viscosity under 40 ℃ of the poly ﹠ Alpha ,-olefin oil of lubricating oil as torque limiter
2/ s, 150mm
2/ s, 600mm
2The torque limiter of/s (comparative example 1～3).In addition, the nominal torque with each torque limiter is made as 35mNm.
To each torque limiter of the above embodiments and comparative example, use transmitting torque determinator shown in Figure 2, investigated whether creep in the low speed rotation test and the high speed rotating test in the size of initial stage slippage Δ T of transmitting torque.This transmitting torque determinator is will the input shaft 21 of torque limiter be installed, be rotated driving by belt 23, and between low speed rotation is used and high speed rotating is used each electric motor 22a, 22b, switch, and on the output shaft 25 that connects by shaft coupling 24 that is situated between on the torque limiter 1, the load cell 26 that is used to measure transmitting torque is installed.Though omitted diagram, the output of load cell 26 outputs on the register via amplifier.
In the test of above-mentioned low speed rotation, the speed of rotation of output shaft 21 is made as 10rpm, register uses oscilloscope, judges whether creep according to the output waveform that has or not spination transmitting torque shown in Figure 6.In high speed rotating test, the speed of rotation of output shaft 21 is made as 300rpm, register uses pen writing recording instrument, has measured the initial stage slippage Δ T of the output of transmitting torque as shown in Figure 7.In addition, for pull-in torque, no matter any test all is set at the 35mNm that equates with nominal torque from input shaft 21.
Table 1
The result of above-mentioned low speed rotation test of table 1 expression and high speed rotating test.In that being made as with the kinematic viscosity of lubricating oil, torque limiter is lower than 200mm
2In the comparative example 1,2 of/s,, be 2mNm, taken place to creep significantly though the initial stage slippage Δ T of transmitting torque is less.In addition, in that being made as with the kinematic viscosity of lubricating oil, torque limiter compares 500mm
2In the also high comparative example 3 of/s, though creep, the initial stage slippage Δ T of transmitting torque is bigger, is 3mNm.With respect to this, torque limiter is being made as 200～500mm with the kinematic viscosity of lubricating oil
2Among each embodiment of/s, all less than creeping, the initial stage slippage Δ T of transmitting torque is also less than tolerable limit 2mNm.In addition, be made as 200mm in the kinematic viscosity that torque limiter is used
2/ s and 250mm
2Among the embodiment 1,2 of/s, on the part of the output of the transmitting torque of low speed rotation test, confirmed minimum spination fluctuation.
Fig. 3 represents second embodiment.This torque limiter 1 also as the first embodiment input block 2 as inner part cylindraceous, output block 3 is the outer freely parts cylindraceous that are embedded on the input block 2 of rotation, on the periphery of the surface of friction that becomes input block 2, be wound with the whisker 4 as torque transmission member, its two ends are limited on the end wall 3a and lid 3b of output block 3.In this embodiment, difference is that whisker 4 is single diameter, on the whole periphery that is fastened onto input block 2.Other parts are identical with first embodiment, and the kinematic viscosity of having enclosed 40 ℃ in the inside of output block 3 is 200～500mm
2The poly ﹠ Alpha ,-olefin oil of/s is as the torque limiter lubricating oil to being lubricated between the periphery of input block 2 and the spirochete spring 4.And input block 2 is formed by the metal sintering parts, and torque limiter also contains with lubricating oil and is dipped in input block 2.
Fig. 4 represents the 3rd embodiment.In this torque limiter 1, input block 2 and output block 3 have been reeled as the whisker 4 of torque transmission member on the periphery of input block 2 and output block 3 as the columned inner part of docking on same axis.The coiling of input block 2 and output block 3 part of whisker 4 cover with guard shield 5, in the inside of guard shield 5, the 40 ℃ identical kinematic viscosity of having enclosed with first embodiment is 200～500mm
2The poly ﹠ Alpha ,-olefin oil of/s is as torque limiter lubricating oil.
Above-mentioned whisker 4 is fastened on the periphery of input block 2 and output block 3, and the external diameter of input block 2 forms the external diameter that is a bit larger tham output block 3, and the fastening force of whisker 4 is stronger in input block 2 side specific output parts 3 sides.In this embodiment, when input block 2 during to the rotation of the coiling direct of travel of whisker 4, utilization is based on the frictional force of the periphery of the input block 2 of the fastening force of whisker 4 and output block 3 and torque is passed on the output block 3, when the load more than the effect regulation on output block 3, in more weak output block 3 sides of the fastening force of whisker 4, whisker 4 makes output block 2 idle running because of the torque limiter of being supplied with slides with lubricating oil.
Fig. 5 represents the 4th embodiment.In this torque limiter 1, input block 2 is as having the inner part cylindraceous of flange portion 2a, torque transmission member is as the friction plate 6 that is embedded in outward on the input block 2, with the whisker 7 that is embedded in input block 2 outward friction plate 6 is pressed on the flange portion 2a, utilize the friction of flange portion 2a and friction plate 6, with transmission of torque in friction plate 6 banded output blocks (omit diagram).In this embodiment, output block 2 and friction plate 6 are formed by the metal sintering parts, and these sintered components contain and are soaked with torque limiter lubricating oil.This torque limiter lubricating oil is ethene-alpha-olefin (the saturated synthetic hydrocarbon oil of base oil for being made up of the hydride of ethene-alpha-olefin copolymer), and 40 ℃ kinematic viscosity is 200～500mm
2/ s.In addition, can also only any one party in input block 2 and the friction plate 6 be made sintered component and make its impregnation torque limiter lubricating oil.
In above-mentioned first, second and the 4th embodiment, though with input block as inner part cylindraceous, also can be with output block as these inner part.
Claims (2)
1. torque limiter lubricating oil, be the torque limiter lubricating oil that is supplied in the surface of friction of torque limiter, described torque limiter is as cylindric or columned inner part with at least one side in input block and the output block, and the torque transmission member that will be clipped between input block and the output block presses on the surface of friction that is located on the described inner part, utilize the surface of friction of this inner part and the frictional force between the torque transmission member with torque from input block to the output block transmission, and to the surface of friction supplying lubricating oil of described inner part, when on described output block, acting on the load more than the regulation, the surface of friction of described torque transmission member and described inner part is slided, described input block idle running
It is characterized in that the base oil of described lubricating oil is to be selected from a kind of in the hydride of poly-alpha olefins and ethene-alpha-olefin copolymer or to make up two or more saturated synthetic hydrocarbon oils, the kinematic viscosity of 40 ℃ described lubricating oil is 200～500mm
2/ s.
2. torque limiter, with at least one side in input block and the output block as cylindric or columned inner part, and the torque transmission member that will be clipped between input block and the output block presses on the surface of friction that is located on the described inner part, utilize the surface of friction of this inner part and the frictional force between the torque transmission member with torque from input block to the output block transmission, and to the surface of friction supplying lubricating oil of described inner part, when on described output block, acting on the load more than the regulation, the surface of friction of described torque transmission member and described inner part is slided, described input block idle running
It is characterized in that, at least one side of described inner part and described torque transmission member is formed with the metal sintering parts, and the described torque limiter of claim 1 is contained with lubricating oil be dipped in this sintered component.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008077600A JP2009227896A (en) | 2008-03-25 | 2008-03-25 | Torque limiter, and lubricating oil for torque limiter |
| JP2008-077600 | 2008-03-25 | ||
| PCT/JP2009/054434 WO2009119293A1 (en) | 2008-03-25 | 2009-03-09 | Torque limiter and lubricating oil for torque limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101978034A true CN101978034A (en) | 2011-02-16 |
Family
ID=41113492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801102724A Pending CN101978034A (en) | 2008-03-25 | 2009-03-09 | Torque limiter and lubricating oil for torque limiter |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2009227896A (en) |
| CN (1) | CN101978034A (en) |
| WO (1) | WO2009119293A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111684168A (en) * | 2018-02-01 | 2020-09-18 | 新确有限公司 | Torque limiter |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5473627B2 (en) * | 2010-01-21 | 2014-04-16 | Ｎｏｋクリューバー株式会社 | Grease composition |
| JP5827556B2 (en) * | 2011-12-08 | 2015-12-02 | 備前発条株式会社 | Rotary damper |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002348688A (en) * | 2001-05-23 | 2002-12-04 | Ntn Corp | Rust preventive oil and parts for business machine |
| JP2005054156A (en) * | 2003-08-07 | 2005-03-03 | Nippon Steel Chem Co Ltd | Lubricating oil, lubricating grease and torque limiter using the same |
| JP2007106885A (en) * | 2005-10-13 | 2007-04-26 | Ntn Corp | Lubricating oil or lubricating grease for torque limiter, and torque limiter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4781543B2 (en) * | 2001-02-22 | 2011-09-28 | 新日鐵化学株式会社 | Lubricating oil and lubricating grease for torque limiters |
-
2008
- 2008-03-25 JP JP2008077600A patent/JP2009227896A/en active Pending
-
2009
- 2009-03-09 CN CN2009801102724A patent/CN101978034A/en active Pending
- 2009-03-09 WO PCT/JP2009/054434 patent/WO2009119293A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002348688A (en) * | 2001-05-23 | 2002-12-04 | Ntn Corp | Rust preventive oil and parts for business machine |
| JP2005054156A (en) * | 2003-08-07 | 2005-03-03 | Nippon Steel Chem Co Ltd | Lubricating oil, lubricating grease and torque limiter using the same |
| JP2007106885A (en) * | 2005-10-13 | 2007-04-26 | Ntn Corp | Lubricating oil or lubricating grease for torque limiter, and torque limiter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111684168A (en) * | 2018-02-01 | 2020-09-18 | 新确有限公司 | Torque limiter |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009227896A (en) | 2009-10-08 |
| WO2009119293A1 (en) | 2009-10-01 |
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