F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
277/49
F16J 15/12 (2006.01)
Patent
CA 1129905
- 17 - ABSTRACT A fluid seal (10) for sealing against leakage be- tween relatively moving machine elements (12, 14) is capable of establishing a lubricant film between ad- jacent sliding sealing surfaces (24, 26) of the elements (12, 14) without affecting sealing between the surfaces and while establishing pressure balancing of the seal so that the pressure between the sealing surfaces is substantially less than the sealed pressure, includes as its essential elements an elastomer seal member (16) having a sealing surface (26) in sliding contact with a rigid opposed sealing surface (24). Shaped rigid members (18) enable formation and continued generation of the lubricant film and pressure balancing of the seal by controlling the deformation of the elastomer surface (26) when the latter is subjected to the sealed pressure and sliding friction between the sealing surfaces (24, 26). The seal can be formed both as a radial type seal with annular sealing surfaces (24, 26) and as an axial type seal with flat sealing surfaces.
337932
Greene Jerome
Robic Robic & Associes/associates
LandOfFree
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