BEARING BUSH

• Main Authors: NAKAMITSU HIROHITO, HORIUCHI TOMOAKI, MORI MASAO, MITSUYOSHI TAKESHI
• Format: Patent
• Language: English; Japanese
• Published: 12.01.2016
• Subjects: BEARINGS; BLASTING; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; THERMAL INSULATION IN GENERAL; WEAPONS

PROBLEM TO BE SOLVED: To provide a bearing bush to be used in a bearing capable of supporting rotatably the valve stem of a valve disposed in a passage of a high-temperature fluid, and hardly allowing the leakage of a hot fluid when said bearing is applied to said passage.SOLUTION: A bearing bush 1 comprises a metal wire entangled body 2 and an expanded graphite 3. Said metal wire entangled body 2 is formed into a cylindrical shape having a through hole 6 capable of penetrating said valve stem and a plurality of metal wires 5, 5 and so on cross-connected. The expanded graphite is so contained on an axial middle part 7 of said metal wire entangled body as to bury clearances to be formed between said metal wires. 【課題】高温流体の流路に設けられる弁の弁軸を回転自在に支持可能な軸受に用いられる軸受ブッシュにおいて、前記流路への前記軸受の適用時に高温流体を漏洩させにくい軸受ブッシュを提供する。【解決手段】軸受ブッシュ１は、金属線交絡体２と膨張黒鉛３とを備えている。前記金属線交絡体２は、前記弁軸を貫通させ得る貫通孔６を有し、複数の金属線５・５・・・を交絡させてなる円筒状のものである。前記膨張黒鉛は、前記複数の金属線間に生じる隙間を埋めるように前記金属線交絡体の軸心方向中途部７に包含されたものである。【選択図】図１