Double-row tilting directional microporous end surface no-leakage mechanical sealing structure
A mechanical seal and directional technology, applied in the direction of engine seals, mechanical equipment, engine components, etc., can solve the problems of solid particle resistance, limited fluid dynamic pressure effect, poor sealing reliability, short service life, etc., to improve the performance of fluid Dynamic pressure effect and tightness, prolonging service life, enhancing the effect of hydrodynamic pressure effect
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[0019] refer to Figure 1-4 , a double-row inclined directional microporous end face non-leakage mechanical seal structure, including a moving ring 7 and a static ring 8 of the mechanical seal, one side of the end faces of the moving ring 7 and the static ring 8 is the high pressure side, that is, the upstream, The other side of the end faces of the moving ring 7 and the static ring 8 is the low-pressure side, that is, the downstream side, and the end faces of the moving ring 7 or the static ring 8 are provided with outer and inner microporous rings 2,5, and the outer and inner The micropore 1,4 major axis 12,42 of the microporous annulus 2,5 is opposite to the inclination angle direction of the sealing end face diameter 13,43 passing through the micropore 1,4 center; the outer and inner microporous annulus 2 , 5 are arranged on the upstream and downstream of the end face respectively, and a continuous annular sealing dam 3, 6 is provided between the outer and inner microporou...
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