RAILWAY VEHICLE DRIVE UNIT

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20110000394A1
SERIAL NO

12918188

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A railway vehicle drive unit (12) is a drive unit to rotatably drive a wheel (11) of a railway vehicle. More specifically, it includes a reducer housing (13) held on an inner diameter surface of the wheel (11), and integrally rotating with the wheel (11), an input side rotation member (14) connected to a drive source, a reducing mechanism (15) to reduce rotation speed of the input side rotation member (14) and transmit it to the reducer housing (13), a fixed member (23) arranged in the reducer housing (13) and connected and fixed to a vehicle body, axle bearings (24) and (25) to rotatably support the reducer housing 13 with respect to the fixed member (23), and lubricant oil circulating mechanisms (32) and (33) to circulate a lubricant oil between the reducing mechanism and the axle bearings (24) and (25).

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Patent Owner(s)

Patent OwnerAddress
NTN CORPORATIONOSAKA JAPAN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adachi, Takaya Mie, JP 2 9
Goto, Daisuke Mie, JP 176 722
Kataoka, Yukihiro Mie, JP 3 18
Miki, Daisuke Mie, JP 34 208
Tamada, Kenji Mie, JP 25 181
Yamada, Masahiro Mie, JP 409 3595

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