RO118445B1 - Ulei hidraulic cu proprietăţi antiuzură şi de extremă presiune - Google Patents
Ulei hidraulic cu proprietăţi antiuzură şi de extremă presiuneInfo
- Publication number
- RO118445B1 RO118445B1 ROA200101031A RO200101031A RO118445B1 RO 118445 B1 RO118445 B1 RO 118445B1 RO A200101031 A ROA200101031 A RO A200101031A RO 200101031 A RO200101031 A RO 200101031A RO 118445 B1 RO118445 B1 RO 118445B1
- Authority
- RO
- Romania
- Prior art keywords
- extreme pressure
- oils
- additive
- wear properties
- hydraulic oil
- Prior art date
Links
- 239000010720 hydraulic oil Substances 0.000 title abstract 2
- 239000000654 additive Substances 0.000 abstract 3
- 230000000996 additive effect Effects 0.000 abstract 3
- 239000003921 oil Substances 0.000 abstract 2
- 239000005069 Extreme pressure additive Substances 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 abstract 1
- 230000003254 anti-foaming effect Effects 0.000 abstract 1
- 239000007866 anti-wear additive Substances 0.000 abstract 1
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 235000006708 antioxidants Nutrition 0.000 abstract 1
- 150000004982 aromatic amines Chemical class 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 230000000994 depressogenic effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 150000002989 phenols Chemical class 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 239000011574 phosphorus Substances 0.000 abstract 1
- 229920001296 polysiloxane Polymers 0.000 abstract 1
Landscapes
- Lubricants (AREA)
Abstract
Invenţia se referă la uleiuri hidraulice cu proprietăţi antiuzură şi extremă presiune, care se utilizează în industria de lubrifianţi şi în industria construcţiilor de maşini, ca fluide de transmitere a puterii, în sisteme hidraulice, de comandă sau execuţie. Uleiurile conform invenţiei sunt constituite din 91...98,7% uleiuri de bază, de natură parafinică, naftenică sau amestecuri ale acestora, cu viscozitate cuprinsă între 5 şi 220 cSt, la 40°C; 0,4...1,5% aditiv antioxidant şi anticorosiv, pe bază de compuşi fenolici butilaţi şi amine aromatice sau dialchilditiofosfat; 0,4...1,5% aditiv antiuzură şi de extremă presiune, cu 19...35% sulf şi 0,3...3% fosfor; opţional, până la 6%, aditiv ameliorator al indicelui de viscozitate pe bază de olefine, copolimeri sau polialchilmetacrilaţi; 0...0,5% aditiv depresant; 0...0,003% antispumant siliconic, procentele fiind în greutate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ROA200101031A RO118445B1 (ro) | 2001-09-14 | 2001-09-14 | Ulei hidraulic cu proprietăţi antiuzură şi de extremă presiune |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ROA200101031A RO118445B1 (ro) | 2001-09-14 | 2001-09-14 | Ulei hidraulic cu proprietăţi antiuzură şi de extremă presiune |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO118445B1 true RO118445B1 (ro) | 2003-05-30 |
Family
ID=64361556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ROA200101031A RO118445B1 (ro) | 2001-09-14 | 2001-09-14 | Ulei hidraulic cu proprietăţi antiuzură şi de extremă presiune |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO118445B1 (ro) |
-
2001
- 2001-09-14 RO ROA200101031A patent/RO118445B1/ro unknown
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