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This patent describes a piston ring that is claimed to provide reduced friction and wear. The design allows independent adjustment of the parameters controlling friction and wear to eliminate the trade off between low friction and low wear typical of prior art rings. The contact interface area betwe
This patent describes a piston ring that is claimed to provide reduced friction and wear. The design allows independent adjustment of the parameters controlling friction and wear to eliminate the trade off between low friction and low wear typical of prior art rings. The contact interface area betwe
## Cross -section of the mechanical seal with pressurized feed to the seal face described in WO 2006/051702, and a detail of the annular face grooves. Device provided with a movable seal system Applicant/Inventor: A. Gaide (Switzerland) This patent describes a moveable seal that is an essential c