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2 497 701

(13)

(51)

IPC

B61F5/12(2006-01-01)

(21) (22)

Application

2010153250/11, 2010-12-24

(24)

Start date

2010-12-24

(22)

Actual filing date

2010-12-24

(45)

Published

2013-11-10

(72)

Inventor

Chuprakov Egor VladimirovichMel'Nichenko Oleg Valer'EvichDerevtsov Viktor Aleksandrovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Irkutskij Gosudarstvennyj Universitet Putej Soobshchenija

COMBINED TWO-MODE SPRING SUSPENSION OF FREIGHT CAR (VERSIONS) Russian patent published in 2013 - IPC B61F5/12

Abstract RU 2497701 C2

FIELD: transport.

SUBSTANCE: invention relates to railway transport, particularly, to railway freight car bogies. Combined two-mode spring suspension is available in two versions and comprises large higher-stiffness spring 7 wherein cup 8 is fitted while equal-length elastic-dissipative element 10 and spring are fitted therein. In compliance with second version, small spring misses to fit only elastic dissipative element in said cup. Rubber or polyurethane are used as said elastic-dissipative element.

EFFECT: higher smooth running and safety.

2 cl, 8 dwg

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RU 2 497 701 C2

Authors

Chuprakov Egor Vladimirovich

Mel'Nichenko Oleg Valer'Evich

Derevtsov Viktor Aleksandrovich

Dates

2013-11-10—Published

2010-12-24—Filed