AT74803B

AT74803B - Methods and devices for operating hydraulic transmissions.

Info

Publication number: AT74803B
Authority: AT
Original assignee: Vulcan Werke Hamburg & Stettin
Priority date: 1914-01-23
Filing date: 1915-01-22
Publication date: 1918-10-25

Description

  

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   durch die Leitung 16 von der Luftpumpe kommenden Kondensats grösser ist als die aus dem   Transformator 1 durch die Leitung 4 abfliessende Wassermenge, fördert die Pumpe 22 lediglich Kondensat in den Transformator, wobei die Pumpe 7 das gesamte warme Wasser aus der Leitung 4 in den Behälter 24 fördert. Das überschüssige Kondensat fliesst   durch die Leitung   gemeinsam mit dem Wasser der Pumpe 7 in den Behälter 24. Ist dagegen die Kondensatmenge kleiner als die aus dem Transformator abfliessende Wasseimenge, so wird ein entsprechender Teil   des wannen   Transformatorwassers von der Pumpe 7 in die Pumpe 22 gefördert.

   Durch die Ausführungsform nach Fig. 4 und insbesondere nach Fig. 5 wird der Vorteil erzielt, dass die erforderlichen Rohrleitungen auf ein   Mindestmass beschränkt   werden, die Raumausnutzung eine bessere und die   Speisewasservorwärmung   infolge Vermeidung von Strahlungsverlusten noch mehr vergrössert wird. 



   Ein weiterer Vorteil, der mit dem Gegenstande der vorliegenden Erfindung verbunden ist, besteht darin, dass infolge der Anordnung zweier Pumpen stets ein genügend hoher Druck für den Antrieb des Servomotors des Umsteuerschiebers 2 vorhanden ist. Durch den Einbau geeigneter Vorrichtungen, wie Rückschlagventile oder derartiger selbsttätiger Organe in die Leitungen, welche die Pumpen mit dem geschlossenen Speisebehälter des Servomotors verbinden, kann man erreichen, dass der Servomotor stets mit dem Raum des grössten Druckes in den Pumpen oder deren Rohrleitungen in Verbindung gesetzt wird, so dass unter allen Umständen der Servomotor zu jeder Zeit in Betrieb genommen werden kann. 



    P ATENT. ANSPRÜCHE :  
1. Verfahren zum Betriebe hydraulischer Getriebe, dadurch gekennzeichnet, dass der Saugraum der Pumpe, welche zum Umsteuern des Getriebes oder Erneuern des Betriebswassers das Wasser in das hydraulische Getriebe fördert, unter Druck gesetzt wird.



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   If the condensate coming through the line 16 from the air pump is greater than the amount of water flowing out of the transformer 1 through the line 4, the pump 22 only conveys condensate into the transformer, with the pump 7 taking all the warm water from the line 4 into the container 24 promotes. The excess condensate flows through the line together with the water from the pump 7 into the container 24. If, on the other hand, the amount of condensate is less than the amount of water flowing out of the transformer, a corresponding part of the trough transformer water is conveyed by the pump 7 into the pump 22.

   The embodiment according to FIG. 4 and in particular according to FIG. 5 has the advantage that the required pipelines are limited to a minimum, the space utilization is better and the feedwater preheating is increased even more due to the avoidance of radiation losses.



   Another advantage associated with the subject matter of the present invention is that, due to the arrangement of two pumps, there is always a sufficiently high pressure to drive the servomotor of the reversing slide 2. By installing suitable devices such as non-return valves or such automatic devices in the lines that connect the pumps to the closed feed tank of the servomotor, it is possible to ensure that the servomotor is always connected to the space of the highest pressure in the pumps or their pipelines so that the servomotor can be put into operation at any time under all circumstances.



    P ATENT. EXPECTATIONS :
1. A method for operating hydraulic transmissions, characterized in that the suction chamber of the pump, which conveys the water into the hydraulic transmission to reverse the transmission or to renew the process water, is pressurized.

Claims

2. Device for carrying out the method according to claim 1, characterized in that two pumps are arranged in two separate rooms in such a way that one pump (7) feeds the warm water from the transformer to the hot water tank (12) EMI3.1 the suction chamber of the cold water pump (22) is pressurized.

3. Apparatus according to claim 2, characterized gfkeimzeichnf't that the pipeline coming from the water tank (15) is directly connected to the suction nozzle of the cold water pump (22).

4. Apparatus according to claim 2, characterized in that the discharge line coming from the transformer is flanged to the suction nozzle of the hot water pump (7).

5. The device according to claim 2, characterized in that the pressure line of the hot water pump (7) in the line between the air pump container (24) and the air pump line (14). joins.

6. The method according to claim 1, characterized in that the fresh water from the transformer and the pumps is switched off and the transformer is switched off by control elements of a known type, shut-off valves and the like. Seawater is operated, with that coming from the air pumps EMI3.2

7. Device according to claims 2 to 4, characterized in that the two pumps are connected to the closed feed tank of the servomotor of the transformer control slide (2) with the interposition of one or more automatic control elements of a known type, such as check valves or the like, by pipelines, bo that the check valves or the like. The feed container of the servomotor automatically connect to the space of the greatest pressure in the pumps or their lines.

8. embodiment of the device according to claims 2 to 7, characterized. that the pumps are arranged in a housing in such a way that the pressure chamber of one pump (7) EMI3.3