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Title:
鉄道車両用通風装置及び鉄道車両用空調装置
Document Type and Number:
Japanese Patent JP6941970
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a railway vehicle ventilation device from which acoustic noise generated by a blower of the device hardly leaks to outside and a railway vehicle air conditioner which has the ventilation device.SOLUTION: A structure 50 to define ventilation trunk is installed in a railway vehicle and defines a ventilation trunk 51 communicating between an intake port and an exhaust port 52 each of which opens on exterior surfaces of the railway vehicle. In the ventilation trunk 51, an outdoor heat exchanger 10 which exchanges heat with air is arranged. An outdoor blower 32 is arranged in the ventilation trunk 51 and promotes heat exchanging between the outdoor heat exchanger 10 and air by creating airflow from the intake port to the exhaust port 52 along the ventilation trunk 51. The structure 50 to define ventilation trunk defines an exhaust airflow trunk 51a of the ventilation trunk 51 between the outdoor blower 32 and the exhaust port 52 and comprises a cylindrical exhaust duct 53 which has an inner surface 53b that has plurality of distributed open holes 53c and guides airflow and an enclosing member 54 which encloses the outside of the exhaust duct 53 keeping a certain distance between the member and the duct 53 outside.SELECTED DRAWING: Figure 3

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Inventors:
Mitsumasa Nishimura
Application Number:
JP2017094944A
Publication Date:
September 29, 2021
Filing Date:
May 11, 2017
Export Citation:
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Assignee:
Mitsubishi Electric Corporation
International Classes:
B61D27/00; B61D49/00; G10K11/16
Domestic Patent References:
JP6072707U
JP62101288U
JP2012164619A1
Attorney, Agent or Firm:
Kimura Mitsuru
Koji Yashima
Mie Hideki