Composition for reducing in-tank fuel pump copper commutator wea

Details Composition for reducing in-tank fuel pump copper commutator wea Composition for reducing in-tank fuel pump copper commutator wea

1992-10-26

1994-08-09

McAvoy, Ellen M.

Fuel and related compositions

Liquid fuels

Heterocyclic carbon compound containing a hetero ring having...

44435, C10L 122, C10L 124

Patent

active

053362772

ABSTRACT:
The resistance of in-tank fuel pump copper commutators to become excessively worn by exposure to petroleum fuels containing at least 10 mg/liter of elemental sulfur is substantially increased by the addition of at least about 5 mg/liter of an organomercaptan, compound and at least about 25 mg/liter of a copper metal deactivator capable of forming a sulfur - resistant barrier coating on the copper commutator, to produce a novel fuel composition.

REFERENCES:
patent: 2222122 (1940-11-01), Schulze et al.
patent: 2423406 (1947-07-01), Scafe et al.
patent: 3014794 (1961-12-01), Le Roy
patent: 3021238 (1962-02-01), Mahan
patent: 3663561 (1972-05-01), Blaha
patent: 4149966 (1979-04-01), O'Donnell et al.
patent: 4330302 (1982-05-01), Taylor
patent: 5035720 (1991-07-01), Weers

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