To provide a rolling stock damping device capable of reducing the noise level in a cabin by suppressing the oscillation of a rotary member such as a compressor provided underfloor of a rolling stock.
A damping device 22 to reduce the vehicle vibration by suppressing the oscillation of a compressor 20 which is one of underfloor rotary members as an oscillation source of a rolling stock includes a housing 24 as a rigid abutting part integrally displaced with an oscillation part of the compressor 20, a mass member 36 which is provided in a freely movable manner in the oscillating direction with respect to the housing 24, a space which is formed between the housing 24 and the mass member 36 to freely move the mass member 36 in the oscillating direction, and an elastic body formed on at least one of abutting surfaces of the housing 24 and the mass member 36.
MARUYAMA YUICHIRO
IWATA HIDEAKI
AKIYAMA SATORU
HASEGAWA AKIO
GOTO TSUNETOSHI
KAWASAKI HEAVY IND LTD
| JP2002161865A | 2002-06-07 | |||
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