Phosphorus-free and ashless oil for aircraft and turbo engine ap

Details Phosphorus-free and ashless oil for aircraft and turbo engine ap Phosphorus-free and ashless oil for aircraft and turbo engine ap

1996-12-11

1998-03-10

Howard, Jacqueline V.

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Organic -cx- compound, wherein the xs are the same or...

508485, C10M13518

Patent

active

057261350

ABSTRACT:
Phosphorus-free and ashless high-temperature aircraft and turbo engine lubricant that contains no halogens or hazardous substances is disclosed. The phosphorus-free lubricating oil may be prepared from pentaerythritol tetraester, methylolpropane triester, or their combinations, ashless dithiocarbamate additives, a dialkydiphenylamine, an alkylphenylnaphthylamine, a triazole derivative, a rest inhibitor or metal deactivator, and an anti-foam. The use of this lubricating oil in addition to its superior wear and friction performance over the standard lubricating oil provides a safe and an environmentally benign gas turbine engine oil for aircraft and turbo engines.

REFERENCES:
patent: 4368133 (1983-01-01), Forsberg
patent: 4612129 (1986-09-01), Di Biase et al.

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