VEGETABLE OIL-BASED HYDRAULIC FLUID AND TRANSMISSION FLUID

The invention relates to using vegetable oil having a natural viscosity index (VI) of greater or equal to 200 as a pressure medium in hydraulic systems and as a transmission fluid. The vegetable oil has a portion of monounsaturated fatty acids of at least 80%, a portion of double unsaturated fatty a...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
1. Verfasser:	BOTZ, OTTO HEINRICH
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY FUELS INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The invention relates to using vegetable oil having a natural viscosity index (VI) of greater or equal to 200 as a pressure medium in hydraulic systems and as a transmission fluid. The vegetable oil has a portion of monounsaturated fatty acids of at least 80%, a portion of double unsaturated fatty acids of 1-10% at maximum, and a portion of triple unsaturated fatty acids of less than 1%, preferably less than 0.1%. Part of the vegetable oil can be used in the form of an unsaturated ester of the vegetable oil. The vegetable oil can also contain an additive in a portion of 2-5% by weight selected from anti-oxidants, copper deactivators, anti-corrosion agents, wear protection agents and anti-foaming agents. The shear stability of the vegetable oil used according to the invention equals 0.7% or less, measured over 20 hours of use.