VIBRATION DAMPING FRICTION WEDGE-FOR PASSENGER CAR AXLE-BOX SUSPENSION Russian patent published in 2003 - IPC

Abstract RU 2196693 C1

FIELD: railway transport; mechanical engineering. SUBSTANCE: invention relates to friction wedge designed for axle-box suspensions of railway car bogies. Said wedge is made of composite material containing polyoxadiazole fiber, or polyparaphenyleneterephthalamide fiber, or polyamidobenzimidazole fiber, phenol-formaldehyde resin or cresol formaldehyde resin, graphite and polyester fiber, or polyamide fiber or polypropylene fiber, or cotton fiber or flax fiber. Invention provides wedge featuring low friction coefficient and low wear in rod-wedge pair. EFFECT: increased service life. 5 cl, 1 dwg

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RU 2 196 693 C1

Authors

Chukalovskij P.A.

Muratov V.V.

Mitin V.G.

Mokhov V.V.

Dates

2003-01-20—Published

2001-10-25—Filed