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公开(公告)号：US12281706B2
公开(公告)日：2025-04-22
申请号：US17791575
申请日：2020-12-09
Applicant: DANFOSS A/S
Inventor： Mihai B. Dobrica , Tianlei Li
Abstract: A refrigerant compressor according to an exemplary aspect of the present disclosure includes, among other things, a floating ring seal having a nose configured to contact a housing. Further, a low friction coating including carbon nanotubes (CNTs) is applied to one or both of the nose and the housing. In another aspect of this disclosure, the floating ring seal has first and second noses configured to contact the housing, and the first nose is radially spaced-apart from the second nose.
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