AT89252B - Cylinders for liquid drives with suck back device, in particular for railway signal drives. - Google Patents

Cylinders for liquid drives with suck back device, in particular for railway signal drives.

Info

Publication number
AT89252B
AT89252B AT89252DA AT89252B AT 89252 B AT89252 B AT 89252B AT 89252D A AT89252D A AT 89252DA AT 89252 B AT89252 B AT 89252B
Authority
AT
Austria
Prior art keywords
drives
cylinders
liquid
railway signal
back device
Prior art date
Application number
Other languages
German (de)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of AT89252B publication Critical patent/AT89252B/en

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  • Fluid-Pressure Circuits (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Zylinder für Flüssigkeitsautriehe mit Rücksaugeeinrichtung, insbesondere für
Eisenbahnsignalantriebe. 



   An Zylindern für   Flüssigkeitsantriebe insbesondere für Eisenbahnsignale   treten im Betriebe durch Undichtigkeiten der   Stangenführung   im Zylinderdeckel Verluste in der Antriebsflüssigkeit auf. Durch diese dauernden   Flüssigkeitsverluste wird mit   der Zeit die Betriebssicherheit gefährdet. Eine   gute Abdich-   
 EMI1.1 
   Kolbenstange im Zylinderdeckel Spiel   haben muss. 



   Die Erfindung betrifft nun eine Vorrichtung, durch welche die aus den Undichtigkeiten der Stan- 
 EMI1.2 
 wieder durch   da   Rohr in den Zylinderraum zurücktritt. 



   In   der Abbildung ist ein Ausführungsbeispiel   der Erfindung angegeben. 1 ist der Zylinder. 2 der 
 EMI1.3 
 der Rückfluss der ausgetretenen Flüssigkeit in den Zylinderraum ermöglicht. Bei Beginn der Kolbenbewegung wird die   Öffnung   9 vom Kolben verschlossen und dadurch die Verbindung des Sammelbehälters mit dem Zylinderraum aufgehoben. 
 EMI1.4 
 der oberen Lage des Kolbens freigelegt wird. 



   Das Rohr 8   kann natürlich   an irgend einer anderen Stelle des Zylinders, z. B. auch aussen herum geführt werden. 



   PATENT-ANSPRÜCHE :
1. Zylinder für Flüssigkeitsantriebe mit Rücksangeeinrichtung, insbesondere für Eisenbahasignale, dadurch gekennzeichnet, dass zwischen dem auf dem Zylinder befindlichen Sammelbehälter und dem   Zylinderraum   ein Kanal oder ein Rohr angeordnet ist. das eine Öffnung besitzt, die durch den Kolben bei einer bestimmten Kolbenlage freigelegt wird, zum Zwecke, den Riiektritt der durch undichte Stan- 
 EMI1.5 
 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 



  Cylinders for liquid tanks with back suction device, in particular for
Railway signal drives.



   Losses in the drive fluid occur on cylinders for liquid drives, especially for railway signals, due to leaks in the rod guide in the cylinder cover. Over time, these permanent liquid losses endanger operational safety. A good seal
 EMI1.1
   The piston rod in the cylinder cover must have play.



   The invention now relates to a device by which the leaks from the stand
 EMI1.2
 back through the tube into the cylinder space.



   In the figure, an embodiment of the invention is given. 1 is the cylinder. 2 of the
 EMI1.3
 allows the leaked liquid to flow back into the cylinder space. At the beginning of the piston movement, the opening 9 is closed by the piston and the connection between the collecting container and the cylinder space is thereby canceled.
 EMI1.4
 the upper layer of the piston is exposed.



   The tube 8 can of course at any other point on the cylinder, e.g. B. can also be performed outside.



   PATENT CLAIMS:
1. Cylinder for liquid drives with return device, in particular for railway signals, characterized in that a channel or a pipe is arranged between the collecting container located on the cylinder and the cylinder space. which has an opening that is exposed by the piston at a certain piston position, for the purpose of preventing the step of the
 EMI1.5
 

** WARNING ** End of DESC field may overlap beginning of CLMS **.

 

Claims (1)

**WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT89252D 1919-09-22 1910-07-27 Cylinders for liquid drives with suck back device, in particular for railway signal drives. AT89252B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE89252X 1919-09-22

Publications (1)

Publication Number Publication Date
AT89252B true AT89252B (en) 1922-08-25

Family

ID=5642673

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89252D AT89252B (en) 1919-09-22 1910-07-27 Cylinders for liquid drives with suck back device, in particular for railway signal drives.

Country Status (1)

Country Link
AT (1) AT89252B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4735292A (en) * 1985-09-30 1988-04-05 Munz William E Hydraulically operated elevator door mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4735292A (en) * 1985-09-30 1988-04-05 Munz William E Hydraulically operated elevator door mechanism

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