CA2443961A1 - Functional fluids with servo valve erosion resistance - Google Patents
Functional fluids with servo valve erosion resistance Download PDFInfo
- Publication number
- CA2443961A1 CA2443961A1 CA002443961A CA2443961A CA2443961A1 CA 2443961 A1 CA2443961 A1 CA 2443961A1 CA 002443961 A CA002443961 A CA 002443961A CA 2443961 A CA2443961 A CA 2443961A CA 2443961 A1 CA2443961 A1 CA 2443961A1
- Authority
- CA
- Canada
- Prior art keywords
- basestock
- composition
- phosphates
- weight percent
- erosion resistance
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- 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
- C10M169/04—Mixtures of base-materials and additives
- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
-
- 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
- C10M169/04—Mixtures of base-materials 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
-
- 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
- C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
- C10M2207/042—Epoxides
-
- 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
- C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
-
- 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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/084—Acrylate; Methacrylate
-
- 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
- C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2211/06—Perfluorinated compounds
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
- C10M2215/065—Phenyl-Naphthyl amines
-
- 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
- C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
-
- 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
- C10M2223/0405—Phosphate esters 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
- C10M2223/0415—Triaryl phosphates 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
- C10N2010/00—Metal present as such or in compounds
- C10N2010/02—Groups 1 or 11
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- 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
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/04—Molecular weight; Molecular weight distribution
-
- 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
- C10N2030/04—Detergent property or dispersant property
-
- 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
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
-
- 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
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
-
- 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
- C10N2040/12—Gas-turbines
- C10N2040/13—Aircraft turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
Phosphate ester based functional fluids containing novel anti-erosion additives provides enhanced results in erosion control.
Claims (4)
1 A hydraulic fluid composition comprising:
a phosphate ester basestock wherein the basestock comprises 0 to 100 weight percent of trialkyl phosphates;
0 to 75 weight percent of dialkyl aryl phosphates;
0 to 30 weight percent of alkyl diaryl phosphates;
0 to 20 weight percent of alkylated triaryl phosphates;
wherein the alkyl groups have 4 to 5 carbon atoms;
a salt or mixture of salts represented by the formula where M is potassium and R is a perfluorinated linear or branched hydrocarbyl group of 1 to 4 carbon atoms;
a poly alkylacrylate or methacrylate viscosity index improver wherein at least 95 wt%
of viscosity index improver has a molecule weight between 50,000 and 900,000;
and, an acid scavenger represented by the formula where R1 is H or a C1 to C4 alkyl group, x is 1 or 2, y is an integer of 1 to 4, and R2 is a C1 to C4 alkyl group or a phenyl group wherein said composition has improved erosion resistance.
a phosphate ester basestock wherein the basestock comprises 0 to 100 weight percent of trialkyl phosphates;
0 to 75 weight percent of dialkyl aryl phosphates;
0 to 30 weight percent of alkyl diaryl phosphates;
0 to 20 weight percent of alkylated triaryl phosphates;
wherein the alkyl groups have 4 to 5 carbon atoms;
a salt or mixture of salts represented by the formula where M is potassium and R is a perfluorinated linear or branched hydrocarbyl group of 1 to 4 carbon atoms;
a poly alkylacrylate or methacrylate viscosity index improver wherein at least 95 wt%
of viscosity index improver has a molecule weight between 50,000 and 900,000;
and, an acid scavenger represented by the formula where R1 is H or a C1 to C4 alkyl group, x is 1 or 2, y is an integer of 1 to 4, and R2 is a C1 to C4 alkyl group or a phenyl group wherein said composition has improved erosion resistance.
2 The composition of claim 1 wherein the basestock comprises 70 to 75 wt%
trialkyl phosphate and 10 to 12 wt% triaryl phosphates.
trialkyl phosphate and 10 to 12 wt% triaryl phosphates.
3 The composition of claim 1 wherein the salt or mixture of salts comprises 0.01 wt%
to 0.5 wt% of the basestock and the acid scavenger comprises 1 to 10 wt% of the basestock.
to 0.5 wt% of the basestock and the acid scavenger comprises 1 to 10 wt% of the basestock.
4 In the method of transmitting power in hydraulic system by use of phosphate ester fluids, the improvement which comprises using as the fluid a composition according to claim 1, 2 or 3.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28510501P | 2001-04-20 | 2001-04-20 | |
| US60/285,105 | 2001-04-20 | ||
| US10/122,049 | 2002-04-12 | ||
| PCT/US2002/012838 WO2002086035A1 (en) | 2001-04-20 | 2002-04-12 | Functional fluids with servo valve erosion resistance |
| US10/122,049 US20030040443A1 (en) | 2001-04-20 | 2002-04-12 | Functional fluids with servo valve erosion resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2443961A1 true CA2443961A1 (en) | 2002-10-31 |
| CA2443961C CA2443961C (en) | 2011-07-05 |
Family
ID=26820095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2443961A Expired - Fee Related CA2443961C (en) | 2001-04-20 | 2002-04-12 | Functional fluids with servo valve erosion resistance |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20030040443A1 (en) |
| EP (1) | EP1397471A4 (en) |
| CA (1) | CA2443961C (en) |
| WO (1) | WO2002086035A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006060138B4 (en) * | 2006-12-18 | 2009-01-22 | Airbus France | Online sensor for monitoring chemical contamination in hydraulic fluids |
| US9650586B2 (en) * | 2013-07-23 | 2017-05-16 | The Boeing Company | Redox couple-based mitigation of fluid-flow-driven electrochemical surface degradation |
| US20170158981A1 (en) | 2015-12-07 | 2017-06-08 | Exxonmobil Research And Engineering Company | Functional fluid compositions containing erosion inhibitors |
| JP6965096B2 (en) * | 2017-10-19 | 2021-11-10 | コスモ石油ルブリカンツ株式会社 | Conductive Lubricating Oil Composition and Spindle Motor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3679587A (en) * | 1970-03-10 | 1972-07-25 | Monsanto Co | Functional fluid compositions containing perfluoro surfactants |
| US4324674A (en) * | 1980-08-28 | 1982-04-13 | Chevron Research Company | Amine salt stabilized phosphate ester-based functional fluid |
| US6030543A (en) * | 1993-03-04 | 2000-02-29 | Great Lakes Chemical Corporation | Aircraft hydraulic fluid basestocks |
| WO1996017517A1 (en) * | 1994-12-09 | 1996-06-13 | Chevron U.S.A. Inc. | Hydraulic fluids for use in aircraft |
| US5817606A (en) * | 1996-08-08 | 1998-10-06 | Rohm And Haas Company | Viscosity index improving additives for phosphate ester-containing hydraulic fluids |
| CA2347794A1 (en) * | 1998-11-10 | 2000-05-18 | Exxonmobil Research And Engineering Company | Phosphate ester base stocks comprising mixed n-butyl/isobutyl phosphate esters and aircraft hydraulic fluids comprising the same |
-
2002
- 2002-04-12 US US10/122,049 patent/US20030040443A1/en not_active Abandoned
- 2002-04-12 EP EP02721804A patent/EP1397471A4/en not_active Withdrawn
- 2002-04-12 WO PCT/US2002/012838 patent/WO2002086035A1/en not_active Application Discontinuation
- 2002-04-12 CA CA2443961A patent/CA2443961C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002086035A1 (en) | 2002-10-31 |
| EP1397471A4 (en) | 2009-07-22 |
| US20030040443A1 (en) | 2003-02-27 |
| EP1397471A1 (en) | 2004-03-17 |
| CA2443961C (en) | 2011-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20180412 |