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Patent Searching and Data


Title:
TRUCK FOR ROLLING STOCK
Document Type and Number:
Japanese Patent JP2001071901
Kind Code:
A
Abstract:

To provide a truck for rolling stock, which is excellent is riding comfort and control performance in an axle-beam type truck for rolling stock driven by an inner rotor type direct drive motor.

Link rods for transmitting torque-reactive force of a direct drive motor(DDM) to a truck frame 20 are mounted in parallel to axle beams 50, and their mounting lengths are made the same to form a parallel link. Since the parallel link is formed of the link rods for transmuting torque-reactive force of the direct drive motor to the truck frame, and the axle beams, the link rods do not prevent the movement of the axle beams 50. Further, in spite of the amount of deflection of axle springs 30, relative angular displacement variations of an inner rotor and an outer stator of the DDM can be reduced to zero. Thus, a DDM truck which is excellent in riding comfort and control performance, can be realized.


Inventors:
IWASAKI KATSUYUKI
HIRAISHI MOTOSANE
Application Number:
JP25161299A
Publication Date:
March 21, 2001
Filing Date:
September 06, 1999
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
B61F5/00; (IPC1-7): B61F5/00
Attorney, Agent or Firm:
Yoshiaki Numagata (1 person outside)