Title:
RAILWAY VEHICLE
Document Type and Number:
Japanese Patent JP2017081564
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a railway vehicle capable of reducing aerodynamic drag which is caused by a cavity for a truck.SOLUTION: A railway vehicle of the invention comprises: a vehicle body; a truck for supporting the vehicle body, and having a truck frame and wheels; and a truck enclosure part comprising two side face covers 12 covering respective outer side faces of the truck, and bottom face covers 10a, 10b, and 11 for covering a bottom face of the truck, for surrounding the truck in a cavity disposed below the vehicle body. At the bottom face covers, wheel holes 111 from which lower side parts of the wheels are protruded are formed. A first air hole 101a and a second air hole 101b are formed on the tuck enclosure part. The first air hole 101a is positioned on a front position and the second air hole 101b is positioned on a rear position, therefore, by forward movement of the railway vehicle, a cooling air flow which passes through the first air hole 101a, enters the cavity, and passes through the second air hole 101b and exits the cavity, is formed.SELECTED DRAWING: Figure 5
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Inventors:
MORITA KIYOSHI
PAULO ALCINO
PAULO ALCINO
Application Number:
JP2017026772A
Publication Date:
May 18, 2017
Filing Date:
February 16, 2017
Export Citation:
Assignee:
HITACHI LTD
International Classes:
B61F3/12; B61C3/00
Domestic Patent References:
| JP2006290031A | 2006-10-26 |
Foreign References:
| US20110297035A1 | 2011-12-08 |
Attorney, Agent or Firm:
Polaire Patent Business Corporation