Global patent index - EP 1020388 A2

EP 1020388 A2 2000-07-19 - Air passage switching and/or air control device

Title (en)

Air passage switching and/or air control device

Title (de)

Luftsteuer- und/oder Luftregelungseinrichtung

Title (fr)

Dispositif de distribution et/ou de régulation d'air

Publication

EP 1020388 A2 (DE)

Application

EP 00100389 A

Priority

DE 19901341 A

Abstract (en)

Between the air pressure source and the ejector (3) is a shiftable shut-off valve (2) which can be controlled to switch on and off alternately in the beat of the sheet-processing machine. The timings of the switching on and off within one work beat can be adjusted in dependence on the production data. An adjustable throttle element can be provided between the air pressure and ejector through which the flow volume flowing through the throttle can be adjusted. The shut off valve and/or throttle element can be adjusted manually.

Abstract (de)

Die Erfindung bezieht sich auf eine Luftsteuer- und/oder -Luftregelungseinrichtung für Luftverbraucher an Bogen verarbeitenden Maschinen, insbesondere Bogenanlegern, mit einer Luftdruckquelle, von der ein Überdruck aufweisender Luftstrom erzeugbar und im Takt der Bogen verarbeitenden Maschine einem Einlaß 4 geringen Querschnitts eines Ejektors 3 zuführbar ist und durch den Ejektor 3 zu einem Auslaß 5 großen Querschnitts des Ejektors 3 strömt. Dabei mündet zwischen Einlaß 4 und Auslaß 5 des Ejektors 3 ein radialer Anschluß 7 in den Ejektor 3. Der Auslaß 5 des Ejektors 3 ist mit dem Luftverbraucher verbunden. Zwischen der Luftdruckquelle und dem Ejektor 3 ist ein schaltbares Sperrventil angeordnet, das im Takt der Bogen verarbeitenden Maschine alternierend auf- und zuschaltbar ansteuerbar ist, wobei der Zeitpunkt der Aufschaltung innerhalb eines Arbeitstaktes in Abhängigkeit von Produktionsdaten einstellbar ist. <IMAGE>

IPC 1-7 (main, further and additional classification)

B65H 7/16

IPC 8 full level (invention and additional information)

B65H 3/08 (2006.01); B65H 7/16 (2006.01)

CPC (invention and additional information)

B65H 3/0891 (2013.01); B65H 7/16 (2013.01); B65H 2406/416 (2013.01); B65H 2511/10 (2013.01); B65H 2511/40 (2013.01); B65H 2513/10 (2013.01)

Combination set (CPC)

  1. B65H 2511/10 + B65H 2220/01
  2. B65H 2511/40 + B65H 2220/01
  3. B65H 2513/10 + B65H 2220/01

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1020388 A2 20000719; EP 1020388 A3 20010523; EP 1020388 B1 20040714; AT 271009 T 20040715; AT 285374 T 20050115; DE 19901341 A1 20000727; DE 19901341 B4 20050721; EP 1398285 A1 20040317; EP 1398285 B1 20041222

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