Grease composition
AssigneeShell Oil Company
InventorsEdward Alexander WORTHINGTON, Alan Richard WHEATLEY
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Abstract
A grease composition comprises a base oil and an aluminium complex soap thickener, with graphite, molybdenum di-sulphide, calcium carbonate and bismuth sulphide all included as additives. The composition exhibits advantageous load, wear and friction performance, especially in extreme pressure environments, and is particularly suitable for use on open gears.
Claims20
A grease composition comprising a base oil and an aluminium complex soap as a thickening agent, wherein the composition further includes as additives (i) graphite, (ii) molybdenum disulphide, (iii) calcium carbonate and (iv) bismuth sulphide.
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Dependencies are inferred from the claim text.