Lubricant grease for low and high temperature application...

Details Lubricant grease for low and high temperature application... Lubricant grease for low and high temperature application...

2007-09-18

2007-09-18

Nguyen, Anhtuan T. (Department: 3731)

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

Lubricants or separants for moving solid surfaces and...

Ptfe

C508S528000, C384S322000, C384S368000, C384S420000

Reexamination Certificate

active

10820311

ABSTRACT:
A rolling bearing, for application in electric auxiliaries for a car, durable owing to high resistance to high temperatures and capable of restraining noises from being generated at low temperatures; and lubricant grease, for low and high temperature application, which can be sealed in the rolling bearing. The lubricant grease includes 100 parts by weight of a mixture of fluorine-containing lubricant grease containing perfluoropolyether oil as a base oil thereof and fluorocarbon resin powder as a thickening agent thereof and urea-containing lubricant grease containing polyester oil as a base oil thereof and a urea compound as a thickening agent thereof; and 3 to 30 parts by weight of polyolefin oil added to the mixed grease. The polyolefin oil has a pour point of not more than −50° C. and a kinematic viscosity of 10 to 70 mm2/s at 40° C.

REFERENCES:
patent: 6673750 (2004-01-01), Hirata et al.
patent: 2002-327759 (2002-11-01), None
patent: 2004-003596 (2004-01-01), None
patent: 2004-0026941 (2004-01-01), None
patent: WO97/47710 (1997-12-01), None

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