EP0337375A1 - Luftentzug und Überdruckbetätigungsvorrichtung für ein Eisenbahnfahrzeug - Google Patents

Luftentzug und Überdruckbetätigungsvorrichtung für ein Eisenbahnfahrzeug Download PDF

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Publication number
EP0337375A1
EP0337375A1 EP89106370A EP89106370A EP0337375A1 EP 0337375 A1 EP0337375 A1 EP 0337375A1 EP 89106370 A EP89106370 A EP 89106370A EP 89106370 A EP89106370 A EP 89106370A EP 0337375 A1 EP0337375 A1 EP 0337375A1
Authority
EP
European Patent Office
Prior art keywords
air
atmosphere
blades
fan
car
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP89106370A
Other languages
English (en)
French (fr)
Other versions
EP0337375B1 (de
Inventor
Jean-Claude Dumas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alstom Holdings SA
Original Assignee
Alstom SA
GEC Alsthom SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alstom SA, GEC Alsthom SA filed Critical Alstom SA
Priority to AT89106370T priority Critical patent/ATE69771T1/de
Publication of EP0337375A1 publication Critical patent/EP0337375A1/de
Application granted granted Critical
Publication of EP0337375B1 publication Critical patent/EP0337375B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00—Heating, cooling, ventilating, or air-conditioning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D27/00—Heating, cooling, ventilating, or air-conditioning
    • B61D27/0009—Means for controlling or equalizing air pressure shocks in trains, e.g. when passing or crossing in tunnels

Definitions

  • the present invention relates to an air extraction device for conditioning the atmosphere of a railway vehicle and for temporarily boosting this atmosphere.
  • the object of the present invention is to provide, for such air conditioning installations, an air extraction and overpressure device which does not include additional fans which will only operate for relatively short times, or oversized fan, and therefore be less expensive.
  • the device according to the invention is characterized in that it comprises at least one axial fan with blades movable in rotation about radial axes of its wheel between a first position where they extract the air from the atmosphere of the car and a second position where they discharge external air inside the car, and means for passing these blades in motion from one of these positions to the other.
  • the motor of this fan is at variable speed.
  • the axial fan 1 driven by the electric motor with variable speed 2 sucks the air in the enclosure 3.
  • the air is sucked as represented by the various arrows a and b in solid lines and passes into two parallel circuits via grids 4, 5 and sheaths 6, 7; it is collected in a single duct 8 connected to the shell 9 of the fan. After passing through the fan, it is discharged outside.
  • FIG. 2 shows on a larger scale the assembly constituted by the axial fan 1 fixed on the shaft of its electric drive motor 2, inside the ferrule 9. Seen from the side of the motor (direction of the arrow A), the fan rotates anticlockwise. The position of the blades 10, represented in section by a plane perpendicular to the plane of the figure, allows the fan to suck the air in the direction of the arrows a and b towards the outside.
  • FIG. 3 represents the same assembly as FIG. 2, but after pivoting of each of the blades around a radial axis of the fan wheel so that they take a symmetrical inclination from that which they occupied in FIG. 2 by with respect to a diametral plane passing through the center of the fan wheel and perpendicular to its axis. Seen from the side of its motor (direction of arrow A), the fan always rotates in the opposite direction to that of clockwise. The new position 10 of the blades allows the fan to discharge the air in the direction of the arrows in solid lines r and s towards the interior of the car.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Vehicle Body Suspensions (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Wind Motors (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
EP89106370A 1988-04-12 1989-04-11 Luftentzug und Überdruckbetätigungsvorrichtung für ein Eisenbahnfahrzeug Expired - Lifetime EP0337375B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89106370T ATE69771T1 (de) 1988-04-12 1989-04-11 Luftentzug und ueberdruckbetaetigungsvorrichtung fuer ein eisenbahnfahrzeug.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8804827A FR2629777B1 (fr) 1988-04-12 1988-04-12 Dispositif d'extraction d'air et de mise en surpression d'un vehicule ferroviaire
FR8804827 1988-04-12

Publications (2)

Publication Number Publication Date
EP0337375A1 true EP0337375A1 (de) 1989-10-18
EP0337375B1 EP0337375B1 (de) 1991-11-27

Family

ID=9365232

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89106370A Expired - Lifetime EP0337375B1 (de) 1988-04-12 1989-04-11 Luftentzug und Überdruckbetätigungsvorrichtung für ein Eisenbahnfahrzeug

Country Status (8)

Country Link
EP (1) EP0337375B1 (de)
JP (1) JPH01306362A (de)
KR (1) KR890015919A (de)
AT (1) ATE69771T1 (de)
BR (1) BR8901718A (de)
DE (1) DE68900465D1 (de)
ES (1) ES2028403T3 (de)
FR (1) FR2629777B1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE669667C (de) * 1937-08-22 1938-12-31 Brown Boveri & Cie Akt Ges Umstellklappe in der Luftkanalkreuzung von Luftheizungen
FR1311046A (fr) * 1962-01-19 1962-11-30 Wilmot Breeden Ltd Ventilateur à régulation du débit par la température
EP0234297A1 (de) * 1986-02-07 1987-09-02 BROWN, BOVERI & CIE Aktiengesellschaft Lüftungsöffnungen an schnellfahrenden Fahrzeugen, insbesondere an schnellfahrenden Schienenfahrzeugen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE669667C (de) * 1937-08-22 1938-12-31 Brown Boveri & Cie Akt Ges Umstellklappe in der Luftkanalkreuzung von Luftheizungen
FR1311046A (fr) * 1962-01-19 1962-11-30 Wilmot Breeden Ltd Ventilateur à régulation du débit par la température
EP0234297A1 (de) * 1986-02-07 1987-09-02 BROWN, BOVERI & CIE Aktiengesellschaft Lüftungsöffnungen an schnellfahrenden Fahrzeugen, insbesondere an schnellfahrenden Schienenfahrzeugen

Also Published As

Publication number Publication date
JPH01306362A (ja) 1989-12-11
BR8901718A (pt) 1989-11-21
ES2028403T3 (es) 1992-07-01
FR2629777A1 (fr) 1989-10-13
FR2629777B1 (fr) 1991-01-18
ATE69771T1 (de) 1991-12-15
EP0337375B1 (de) 1991-11-27
KR890015919A (ko) 1989-11-27
DE68900465D1 (de) 1992-01-09

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