NO. 5,085,185 | Powder-Lubricant Piston Ring for Diesel Engines NO. 5,085,185 | Powder-Lubricant Piston Ring for Diesel Engines Details Date February 4, 1992 Category Patents
NO. 4,671,679 | Magnetic Fluid Devices such as Magnetic Fluid Bearings, Seals and the like and an Automatic Magnetic Fluid Supply Control System thereforeJune 9, 1987
Compliant Foil Bearing Structural Stiffness Analysis Part II: Experimental InvestigationOctober 18, 1992
