(19)
(11) EP 0 315 108 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.02.1990 Bulletin 1990/06

(43) Date of publication A2:
10.05.1989 Bulletin 1989/19

(21) Application number: 88118132.5

(22) Date of filing: 31.10.1988
(51) International Patent Classification (IPC)4: B61D 27/00
(84) Designated Contracting States:
DE FR GB IT

(30) Priority: 02.11.1987 JP 275761/87
25.12.1987 JP 327034/87
18.11.1987 JP 175091/87 U

(60) Divisional application:
92116206.1 / 0523752

(71) Applicant: HITACHI, LTD.
Chiyoda-ku, Tokyo 100 (JP)

(72) Inventors:
  • Matsuda, Toshiharu
    Kudamatsu-shi (JP)
  • Ishikawa, Shinichiro
    Tokuyama-shi (JP)
  • Kimura, Kenji
    Kudamatsu-shi (JP)

(74) Representative: Finck, Dieter, Dr.Ing. et al
Patentanwälte v. Füner, Ebbinghaus, Finck Mariahilfplatz 2 - 3
81541 München
81541 München (DE)


(56) References cited: : 
   
       


    (54) Ventilating equipment for rolling stock


    (57) The present invention relates to a ventilating equipment for high speed rolling stock An object of the present invention is to regulate a change in pressure within the vehicle resulting from a change in pressure outside to avoid passengers to feel uncomfortable. The present invention is characterized in that with the change of the outside vehicle pressure some areas of the air flow passages of the air supply equipment and exhaust air equipment are adjusted. Thus the present invention proposes means for adjusting the airflow passage areas of the air supply equipment and exhaust air equipment when the pressure outside vehicle changes. The propagation of the pressure from outside into the vehicle can be regulated.







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