| 摘要 |
1428884 Seals COMMISSARIAT A L'ENERGIE ATOMIQUE 23 May 1974 [28 May 1973] 23106/74 Heading F2B In an end face seal between two coaxial relatively rotatable annular plates 1, 2, a buffer fluid film, supplied through hole 12, is made more resistant to the penetration of external fluids, at the interfaces of the film, by diffusing some of the fluid through porous annular areas of the surfaces la and 2a. Porous rings 17, 18, 23 and 24 may be of graphite, sintered nickel or sintered brass balls. (For Figure see next column.) |
