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Seal system for belt-tension roller bearing

Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
152 KB
Volume
2011
Category
Article
ISSN
1350-4789

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โœฆ Synopsis

Applicant: Mahle Metal Leve S/a, Brazil This patent describes a piston ring, particularly devised for use in internal combustion engines or compressors. It consists of a metallic base to which is applied -by physical vapour deposition -a coating of chromium nitride that has a periodicity (P), formed from at least two adjacent layers. Each layer has a predominantly chromium nitride phase that is different from the adjacent layer.

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