| 摘要 |
1,127,414. Bearings; lubricating; pistons; cylinders. WORTHINGTON CORP. 6 June, 1966 [23 July, 1965], No. 25086/66. Headings F2A and F2T. A piston-cylinder assembly comprises pistonrings of solid lubricant, which rings, on reciprocation of the piston, apply a film of the lubricant to a coating on the inner surface of the cylinder, the coating being of a material which bonds with applied film. In the Figure piston-rings 18, 20 are of molybdenum disulphide with sodium silicate as a binder, and the coating is of molybdenum. The other piston-rings 22-34 are of carbon and graphite. |
