| 摘要 |
The present seal system (8) is in two parts, that of an elastomer energizer (12), which may be in the shape of a square ring, o-ring, or an other custom design for energizing the seal system (8), and that of a seal element (18) having a particular geometry and composition. The geometric layout of the seal element ensures firm contact between the seal and groove bottom, independently of the seal pressure and radial position of the moving part, and concentrates contact forces against the moving part by means of a seal apex (24). The influence of the energizer (12) is balanced out by positioning the seal apex (24) near the axial position of the center of the energizer (14). The seal apex (24) itself is defined by an inlet angle (b) upstream of the apex of preferably more than 30 DEG to the moving part, and a downstream slip angle (a) of greater than 5 DEG preferably greater than 7 DEG . |
