HYDROSTATIC END-FACE PACKING Russian patent published in 2003 - IPC

Abstract RU 2211974 C1

FIELD: mechanical engineering. SUBSTANCE: axially movable packing ring is made with stepped axial joint and annular channel. Packing ring consists of sealing member and external bushing. Sealing member is made of aluminum alloy with layer of aluminum oxide on friction surface. Aluminum oxide is formed by method of microarc oxidation. EFFECT: increased packing reliability. 3 cl, 1 dwg

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RU 2 211 974 C1

Authors

Tjarasov A.K.

Tjarasov S.A.

Dates

2003-09-10—Published

2001-12-13—Filed