CN109251788A - A kind of lubricant composition and preparation method thereof for Aero-engine Bearing assembly - Google Patents
A kind of lubricant composition and preparation method thereof for Aero-engine Bearing assembly Download PDFInfo
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- CN109251788A CN109251788A CN201811131061.6A CN201811131061A CN109251788A CN 109251788 A CN109251788 A CN 109251788A CN 201811131061 A CN201811131061 A CN 201811131061A CN 109251788 A CN109251788 A CN 109251788A
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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
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/06—Mixtures of thickeners and additives
-
- 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
- C10M2205/16—Paraffin waxes; Petrolatum, e.g. slack wax
- C10M2205/166—Paraffin waxes; Petrolatum, e.g. slack wax used as thickening agent
-
- 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
- C10M2205/18—Natural waxes, e.g. ceresin, ozocerite, bees wax, carnauba; Degras
- C10M2205/186—Natural waxes, e.g. ceresin, ozocerite, bees wax, carnauba; Degras used as thickening agents
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
- C10M2207/2835—Esters of polyhydroxy compounds used as base material
-
- 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/041—Triaryl phosphates
-
- 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
- C10N2040/02—Bearings
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The present invention provides a kind of lubricant compositions for Aero-engine Bearing assembly, are prepared by the raw material for including following components: 45 parts by weight of base oil~89 parts by weight；10 parts by weight of thickening agent~40 parts by weight；1 parts by weight of extreme pressure anti-wear additives~15 parts by weight；The thickening agent is made of paraffin and ceresine.Compared with prior art, the thickening agent of specific components is used provided by the present invention for the lubricant composition of Aero-engine Bearing assembly, and preferable interaction is realized with other certain content components, the obtained lubricant composition for Aero-engine Bearing assembly has excellent compatibility with aeroengine oil on the basis of properties are preferable and stablize；The lubricant composition can be such that Aero-engine Bearing smoothly assembles, and aeroengine oil will not be made to become cloudy, spume, and will not block the filter of the aeroengine oil circulatory system, can play the role of good lubrication to bearing before aeroengine oil reaches bearing.
Description
Technical field
The present invention relates to lubricant composition technical fields, are to be related to one kind for aviation engine shaft more specifically
Install the lubricant composition and preparation method thereof matched.
Background technique
Engine is the heart of opportunity of combat, and engine will operate normally, and engine bearing assembly is most important；But it is domestic
So far without a kind of special grease for Aero-engine Bearing assembly, each current hair of Aeroengine Design production unit
Motivation bearing assembly lubricating grease exists and makes that aeroengine oil is muddy, spumes and the problems such as plugged filter, i.e. engine bearing
Assembling lubricating grease, there are consistency problems with aeroengine oil.Certain current lubricating grease can melt under 100 DEG C of hot conditions to be divided
It is dispersed in aeroengine oil, but lubricating grease can be precipitated at normal temperature, become cloudy aeroengine oil, influences the property of aeroengine oil
Energy.Certain current lubricating grease are because containing metallic element, so that aeroengine oil generates foam in the process of running, influence aviation profit
The performance of lubricating oil.For certain current lubricating grease because thickening agent grain diameter is larger, lubricating grease can block the aeroengine oil circulatory system
Filter.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of lubricant compositions for Aero-engine Bearing assembly
And preparation method thereof, lubricant composition provided by the invention lubricates on the basis of properties are preferable and stablize with aviation
Oil has excellent compatibility.
The present invention provides a kind of lubricant compositions for Aero-engine Bearing assembly, by including following components
Raw material is prepared:
45 parts by weight of base oil~89 parts by weight；
10 parts by weight of thickening agent~40 parts by weight；
1 parts by weight of extreme pressure anti-wear additives~15 parts by weight；
The thickening agent is made of paraffin and ceresine.
Preferably, the base oil is selected from trimethylolpropane ester-based plinth oil, poly alpha olefin base oil and hydrogenated base oil
One of or it is a variety of.
Preferably, the mass ratio of paraffin and ceresine is 1:(5~15 in the thickening agent).
Preferably, the extreme pressure anti-wear additives are selected from zinc dialkyl dithiophosphate, zinc dialkyl dithiocarbamate, two
Alkyl antimony dithiocarbamate, dialkyldithiocarbamacompositions oxygen molybdenum, olefine sulfide, triphenyl, triphenyl sulphur
One of substituted phosphate, tricresyl phosphate and sulfurized fatty are a variety of.
The present invention also provides the lubricating grease groups that Aero-engine Bearing assembly is used for described in a kind of above-mentioned technical proposal
Close the preparation method of object, comprising the following steps:
A) base oil is mixed with thickening agent, is reacted under stirring conditions, obtain the first reaction mixture；It is described
Thickening agent is made of paraffin and ceresine；
B) the first reaction mixture for obtaining step a) is ground after mixing with extreme pressure anti-wear additives, is obtained for aviation
The lubricant composition of engine bearing assembly.
Preferably, the revolving speed of stirring described in step a) is 30r/min~40r/min.
Preferably, the temperature of reaction described in step a) is 95 DEG C~105 DEG C, and the time is 10min~20min.
Preferably, the mode of mixing described in step b) is stirring；The revolving speed of the stirring is 30r/min~40r/min,
Time is 10min~20min.
Preferably, the device of grinding described in step b) is triple-roller mill；The number of the grinding is 2 times~4 times.
The present invention provides a kind of lubricant compositions for Aero-engine Bearing assembly, by including following components
Raw material is prepared: 45 parts by weight of base oil~89 parts by weight；10 parts by weight of thickening agent~40 parts by weight；1 weight of extreme pressure anti-wear additives
Measure part~15 parts by weight；The thickening agent is made of paraffin and ceresine.Compared with prior art, provided by the present invention for aviation
The lubricant composition of engine bearing assembly uses the thickening agent of specific components, and realizes preferably with other certain content components
Interaction, the obtained lubricant composition base preferable and stable in properties for Aero-engine Bearing assembly
On plinth, there is excellent compatibility with aeroengine oil；The lubricant composition can be such that Aero-engine Bearing smoothly assembles, no
Aeroengine oil can be made to become cloudy, spume, and the filter of the aeroengine oil circulatory system will not be blocked, lubricated in aviation
Oil can play the role of good lubrication to bearing before reaching bearing.
In addition, preparation method provided by the invention is simple, mild condition, it is suitble to large-scale industrial production.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
The present invention provides a kind of lubricant compositions for Aero-engine Bearing assembly, by including following components
Raw material is prepared:
45 parts by weight of base oil~89 parts by weight；
10 parts by weight of thickening agent~40 parts by weight；
1 parts by weight of extreme pressure anti-wear additives~15 parts by weight；
The thickening agent is made of paraffin and ceresine.
In the present invention, it is described for Aero-engine Bearing assembly lubricant composition by base oil, thickening agent and
Extreme pressure anti-wear additives are prepared.In the present invention, the base oil is preferably selected from trimethylolpropane ester-based plinth oil, poly alpha olefin
One of base oil and hydrogenated base oil are a variety of, more preferably trimethylolpropane ester-based plinth.The present invention is to the basis
The source of oil is not particularly limited, using above-mentioned trimethylolpropane ester-based plinth oil well known to those skilled in the art, poly- α-alkene
The commercial goods of hydrocarbon base oil and hydrogenated base oil.
In the present invention, the lubricant composition for Aero-engine Bearing assembly includes 45 parts by weight~89 weights
Measure the base oil of part, preferably 65 parts by weight.
In the present invention, the thickening agent is made of paraffin and ceresine.In the present invention, paraffin and ground in the thickening agent
The mass ratio of wax is preferably 1:(5~15), more preferably 1:(5.6~10).The present invention use specific components thickening agent, and with
Other certain content components realize preferable interaction, the obtained lubricant composition for Aero-engine Bearing assembly
On the basis of properties are preferable and stablize, there is excellent compatibility with aeroengine oil.The present invention is to the thickening agent
Source is not particularly limited, using the commercial goods of above-mentioned wax and ceresine well known to those skilled in the art.
In the present invention, the lubricant composition for Aero-engine Bearing assembly includes 10 parts by weight~40 weights
Measure the thickening agent of part, preferably 33 parts by weight.
In the present invention, the extreme pressure anti-wear additives are preferably selected from zinc dialkyl dithiophosphate, dialkyl dithio amino
Zinc formate, antimony dialkyl-dithiocarbamate, dialkyldithiocarbamacompositions oxygen molybdenum, olefine sulfide, triphenyl,
One of triphenylphosphorothionate, tricresyl phosphate and sulfurized fatty are a variety of, more preferably tricresyl phosphate and/
Or triphenylphosphorothionate.The present invention is not particularly limited the source of the extreme pressure anti-wear additives, using those skilled in the art
Member known to above-mentioned zinc dialkyl dithiophosphate, zinc dialkyl dithiocarbamate, antimony dialkyl-dithiocarbamate,
Dialkyldithiocarbamacompositions oxygen molybdenum, olefine sulfide, triphenyl, triphenylphosphorothionate, tricresyl phosphate
With the commercial goods of sulfurized fatty.
In the present invention, the lubricant composition for Aero-engine Bearing assembly includes 1 parts by weight~15 weights
Measure the solid superfine powder extreme pressure anti-wear additives of part, preferably 2 parts by weight.
The thickening agent of specific components is used provided by the present invention for the lubricant composition of Aero-engine Bearing assembly,
And preferable interaction is realized with other certain content components, the obtained lubricating grease group for Aero-engine Bearing assembly
Object is closed on the basis of properties are preferable and stablize, there is excellent compatibility with aeroengine oil；The lubricant composition energy
It enough assembles Aero-engine Bearing smoothly, aeroengine oil will not be made to become cloudy, spume, and aviation lubrication will not be blocked
The filter of oil circulating system can play the role of good lubrication to bearing before aeroengine oil reaches bearing.
The present invention also provides the lubricating grease groups that Aero-engine Bearing assembly is used for described in a kind of above-mentioned technical proposal
Close the preparation method of object, comprising the following steps:
A) base oil is mixed with thickening agent, is reacted under stirring conditions, obtain the first reaction mixture；It is described
Thickening agent is made of paraffin and ceresine；
B) the first reaction mixture for obtaining step a) is ground after mixing with extreme pressure anti-wear additives, is obtained for aviation
The lubricant composition of engine bearing assembly.
The present invention first mixes base oil with thickening agent, is reacted under stirring conditions, and it is mixed to obtain the first reaction
Close object；The thickening agent is made of paraffin and ceresine.In the present invention, in the base oil and thickening agent and above-mentioned technical proposal
Described is identical, and details are not described herein.
In the present invention, the mixed device preferably uses rouge kettle processed well known to those skilled in the art, the present invention couple
This is not particularly limited.
The present invention preferably under stirring conditions mixes base oil with thickening agent, and after being warming up to reaction temperature, is stirring
It is reacted under conditions of mixing, obtains the first reaction mixture.In the present invention, the revolving speed of the stirring is preferably 30r/min
~40r/min, more preferably 35r/min.
In the present invention, the temperature of the reaction is preferably 95 DEG C~105 DEG C, more preferably 100 DEG C；The reaction when
Between preferably 10min~20min, more preferably 15min.
After obtaining first reaction mixture, the present invention mixes the first obtained reaction mixture with extreme pressure anti-wear additives
After ground, obtain for Aero-engine Bearing assemble lubricant composition.In the present invention, the extreme pressure anti-wear additives
With it is as described in the above technical scheme identical, details are not described herein.
In the present invention, the mixed mode preferably stirs, it is therefore an objective to make first reaction mixture and extreme pressure
Antiwear additive is uniformly mixed.In the present invention, the revolving speed of the stirring is 30r/min~40r/min, more preferably 35r/min；Institute
The time for stating stirring is preferably 10min~20min, more preferably 15min.
In the present invention, the device of the grinding is preferably triple-roller mill；The number of the grinding is preferably 2 times~4 times, more
Preferably 3 times.
Preparation method provided by the invention is simple, mild condition, is suitble to large-scale industrial production.
The present invention provides a kind of lubricant compositions for Aero-engine Bearing assembly, by including following components
Raw material is prepared: 45 parts by weight of base oil~89 parts by weight；10 parts by weight of thickening agent~40 parts by weight；1 weight of extreme pressure anti-wear additives
Measure part~15 parts by weight；The thickening agent is made of paraffin and ceresine.Compared with prior art, provided by the present invention for aviation
The lubricant composition of engine bearing assembly uses the thickening agent of specific components, and realizes preferably with other certain content components
Interaction, the obtained lubricant composition base preferable and stable in properties for Aero-engine Bearing assembly
On plinth, there is excellent compatibility with aeroengine oil；The lubricant composition can be such that Aero-engine Bearing smoothly assembles, no
Aeroengine oil can be made to become cloudy, spume, and the filter of the aeroengine oil circulatory system will not be blocked, lubricated in aviation
Oil can play the role of good lubrication to bearing before reaching bearing.
In addition, preparation method provided by the invention is simple, mild condition, it is suitble to large-scale industrial production.
In order to further illustrate the present invention, it is described in detail below by following embodiment.
Embodiment 1
(1) the trimethylolpropane ester-based plinth oil of 65kg and 30kg ceresine, 3kg paraffin are added in rouge kettle processed, in 35r/min
Stirring under conditions of mix；Above-mentioned stirring is maintained, 100 DEG C is warming up to and carries out reaction 15min, obtain the first reaction mixture.
(2) the first reaction mixture and 2kg tricresyl phosphate are obtained in the condition of 35r/min by what step (1) obtained
Lower stirring 15min is ground 3 times to mixing is mixed using triple-roller mill, after analysis is qualified, is obtained for Aero-engine Bearing assembly
Lubricant composition.
Embodiment 2
(1) the trimethylolpropane ester-based plinth oil of 65kg and 30kg ceresine, 3kg paraffin are added in rouge kettle processed, in 35r/min
Stirring under conditions of mix；Above-mentioned stirring is maintained, 100 DEG C is warming up to and carries out reaction 15min, obtain the first reaction mixture.
(2) the first reaction mixture and 2kg triphenylphosphorothionate are obtained 35r/min's by what step (1) obtained
Under the conditions of stirring 15min mix to mixing, ground 3 times using triple-roller mill, after analysis is qualified, obtained for Aero-engine Bearing
The lubricant composition of assembly.
Embodiment 3
(1) the trimethylolpropane ester-based plinth oil of 65kg and 28kg ceresine, 5kg paraffin are added in rouge kettle processed, in 35r/min
Stirring under conditions of mix；Above-mentioned stirring is maintained, 100 DEG C is warming up to and carries out reaction 15min, obtain the first reaction mixture.
(2) the first reaction mixture and 2kg tricresyl phosphate are obtained in the condition of 35r/min by what step (1) obtained
Lower stirring 15min is ground 3 times to mixing is mixed using triple-roller mill, after analysis is qualified, is obtained for Aero-engine Bearing assembly
Lubricant composition.
Comparative example 1
The preparation method provided using embodiment 1, difference are: replacing 30kg ceresine, 3kg paraffin using 33kg ceresine.
Comparative example 2
The preparation method provided using embodiment 1, difference are: replacing 30kg ceresine, 3kg paraffin using 33kg paraffin.
The grease composition for Aero-engine Bearing assembly that Examples 1 to 3 and comparative example 1~2 are prepared
The properties of object are analyzed, and analysis result ginseng is shown in Table 1.
The grease composition for Aero-engine Bearing assembly that 1 Examples 1 to 3 of table and comparative example 1~2 are prepared
The properties data of object
As shown in Table 1, the lubricating grease group for Aero-engine Bearing assembly that the embodiment of the present invention 1~3 is prepared
Object is closed on the basis of properties are preferable and stablize, there is excellent compatibility with aeroengine oil；And prepared by comparative example 1~2
There are the substances of diameter >=125 μm for obtained product mechanical impurities, therefore can block the filter of the aeroengine oil circulatory system.
Therefore, the lubricant composition for Aero-engine Bearing assembly that the embodiment of the present invention 1~3 is prepared can make aviation
Engine bearing is smoothly assembled, and aeroengine oil will not be made to become cloudy, spume, and will not block aeroengine oil cyclic system
The filter of system can play the role of good lubrication to bearing before aeroengine oil reaches bearing.
The above description of the disclosed embodiments, enables those skilled in the art to implement or use the present invention.It is right
A variety of modifications of these embodiments will be readily apparent to those skilled in the art, and as defined herein one
As principle can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will
It will not be intended to be limited to the embodiments shown herein, and be to fit to consistent with the principles and novel features disclosed herein
Widest scope.
Claims (9)
1. a kind of lubricant composition for Aero-engine Bearing assembly, is prepared by the raw material for including following components:
45 parts by weight of base oil~89 parts by weight；
10 parts by weight of thickening agent~40 parts by weight；
1 parts by weight of extreme pressure anti-wear additives~15 parts by weight；
The thickening agent is made of paraffin and ceresine.
2. lubricant composition according to claim 1, which is characterized in that the base oil is selected from trihydroxymethylpropanyl ester
One of base oil, poly alpha olefin base oil and hydrogenated base oil are a variety of.
3. lubricant composition according to claim 1, which is characterized in that the quality of paraffin and ceresine in the thickening agent
Than for 1:(5~15).
4. lubricant composition according to claim 1, which is characterized in that the extreme pressure anti-wear additives are selected from dialkyl disulfides
For trbasic zinc phosphate, zinc dialkyl dithiocarbamate, antimony dialkyl-dithiocarbamate, dialkyldithiocarbamacompositions oxygen
One of molybdenum, olefine sulfide, triphenyl, triphenylphosphorothionate, tricresyl phosphate and sulfurized fatty are more
Kind.
5. a kind of preparation of the described in any item lubricant compositions for Aero-engine Bearing assembly of Claims 1 to 4
Method, comprising the following steps:
A) base oil is mixed with thickening agent, is reacted under stirring conditions, obtain the first reaction mixture；The thickening
Agent is made of paraffin and ceresine；
B) the first reaction mixture for obtaining step a) is ground after mixing with extreme pressure anti-wear additives, is obtained for aeroplane engine
The lubricant composition of machine bearing assembly.
6. preparation method according to claim 5, which is characterized in that the revolving speed of stirring described in step a) is 30r/min
~40r/min.
7. preparation method according to claim 5, which is characterized in that the temperature of reaction described in step a) be 95 DEG C~
105 DEG C, the time is 10min~20min.
8. preparation method according to claim 5, which is characterized in that the mode of mixing described in step b) is stirring；Institute
The revolving speed for stating stirring is 30r/min~40r/min, and the time is 20min~25min.
9. preparation method according to claim 5, which is characterized in that the device of grinding described in step b) is triple-roller mill；
The number of the grinding is 2 times~4 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811131061.6A CN109251788A (en) | 2018-09-27 | 2018-09-27 | A kind of lubricant composition and preparation method thereof for Aero-engine Bearing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811131061.6A CN109251788A (en) | 2018-09-27 | 2018-09-27 | A kind of lubricant composition and preparation method thereof for Aero-engine Bearing assembly |
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| Publication Number | Publication Date |
|---|---|
| CN109251788A true CN109251788A (en) | 2019-01-22 |
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ID=65046958
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| CN201811131061.6A Pending CN109251788A (en) | 2018-09-27 | 2018-09-27 | A kind of lubricant composition and preparation method thereof for Aero-engine Bearing assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504500A (en) * | 2018-12-14 | 2019-03-22 | 中国石油化工股份有限公司 | A kind of lubricant composition and preparation method thereof for engine bearing assembly |
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| US4060492A (en) * | 1975-05-26 | 1977-11-29 | Sumitomo Chemical Company, Limited | Synthetic saturated oils, and their production and use |
| US20080132433A1 (en) * | 2006-12-01 | 2008-06-05 | Napra Co., Ltd. | Lubricant composition and bearing structure |
| CN102827678A (en) * | 2012-08-23 | 2012-12-19 | 中国石油化工股份有限公司 | Wire rope lubricating grease composition having dual effects of lubrication and anti-corrosion |
| JP2013060551A (en) * | 2011-09-14 | 2013-04-04 | Klueber Lubrication Muenchen Kg | Lubricating grease composition |
| CN104312679A (en) * | 2014-10-09 | 2015-01-28 | 无锡市飞天油脂有限公司 | Low-noise lubricating grease and preparation method thereof |
| CN107002757A (en) * | 2014-10-29 | 2017-08-01 | 日本精工株式会社 | Rolling bearing |
-
2018
- 2018-09-27 CN CN201811131061.6A patent/CN109251788A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4060492A (en) * | 1975-05-26 | 1977-11-29 | Sumitomo Chemical Company, Limited | Synthetic saturated oils, and their production and use |
| US20080132433A1 (en) * | 2006-12-01 | 2008-06-05 | Napra Co., Ltd. | Lubricant composition and bearing structure |
| JP2013060551A (en) * | 2011-09-14 | 2013-04-04 | Klueber Lubrication Muenchen Kg | Lubricating grease composition |
| CN102827678A (en) * | 2012-08-23 | 2012-12-19 | 中国石油化工股份有限公司 | Wire rope lubricating grease composition having dual effects of lubrication and anti-corrosion |
| CN104312679A (en) * | 2014-10-09 | 2015-01-28 | 无锡市飞天油脂有限公司 | Low-noise lubricating grease and preparation method thereof |
| CN107002757A (en) * | 2014-10-29 | 2017-08-01 | 日本精工株式会社 | Rolling bearing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504500A (en) * | 2018-12-14 | 2019-03-22 | 中国石油化工股份有限公司 | A kind of lubricant composition and preparation method thereof for engine bearing assembly |
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Application publication date: 20190122 |