FLANGE JOINT Russian patent published in 2000 - IPC

Abstract RU 2157942 C2

FIELD: machine engineering, namely hydraulic machine engineering, hydraulic turbine manufacture, particularly units for connecting hydraulic turbines with shafts of hydrogenerators and with impellers. SUBSTANCE: Flange joint unit includes cylindrical sleeves mounted in openings of flanges and bolts with nut arranged in said sleeves. Sleeve has inner land near parting plane of joined members. Bolt has reciprocal cylindrical land joined due to its fit with land of sleeve. In such structure bending length of bolt is at least two times less, sleeve also has reduced bending length. EFFECT: enhanced rigidity of joint, increased carrying capability of it as threaded portion of bolt being the most unsafe one doesn't bend at designed displacement of flange joint. 2 dwg

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RU 2 157 942 C2

Authors

Bugov Kh.U.

Khamukov A.Ts.

Semenov L.Kh.

Sotnikov A.A.

Pylev I.M.

Apazhev A.K.

Dates

2000-10-20—Published

1998-07-28—Filed