EP1016521A1 - Temperature-regulating device of a printing machine - Google Patents

Temperature-regulating device of a printing machine Download PDF

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Publication number
EP1016521A1
EP1016521A1 EP99120424A EP99120424A EP1016521A1 EP 1016521 A1 EP1016521 A1 EP 1016521A1 EP 99120424 A EP99120424 A EP 99120424A EP 99120424 A EP99120424 A EP 99120424A EP 1016521 A1 EP1016521 A1 EP 1016521A1
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EP
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Prior art keywords
temperature control
fluid
temperature
circuit
pump
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Granted
Application number
EP99120424A
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German (de)
French (fr)
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EP1016521B1 (en
Inventor
Jürgen Lagger
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Baldwin Germany GmbH
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Baldwin Grafotec GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/22—Means for cooling or heating forme or impression cylinders

Definitions

  • the invention relates to a temperature control device according to a printing press the preamble of claim 1.
  • a printing press of this type is known from DE-A-44 29 520.
  • an injector is required through which the temperature control device is correspondingly more expensive.
  • Further temperature control devices for printing machines are known from DE-A-42 02 544 and DE-A 37 26 820.
  • To be tempered Heat consumers or cold consumers are printing press cylinders various types and fountain solution for wet offset printing. The Tempering of the rolls or cylinders can be done by Bath fluid is passed through it or by the Bath fluid is passed through a heat exchanger which air is cooled, which is blown by a fan onto the outer surface of the relevant cylinder or the corresponding roller is blown.
  • the object of the invention is to achieve the temperature control device to train a printing press in such a way that it is inexpensive and the Temperature of a consumer can be kept in extremely tight tolerances.
  • the invention is used in particular for cooling parts of the printing press, which, without such cooling, would reach temperature values above the temperature value required for an optimal printing process.
  • the invention is also suitable for heating Machine parts as long as they are still in a machine start-up phase have not reached their optimal operating temperature.
  • the temperature control device of a printing press shown in the drawing contains a temperature control fluid circuit 2, which contains a pump 4 and in which a consumer 6 of the printing press can be integrated.
  • the consumer 6 can be a cylinder or a roller or a part containing a liquid or be an electronic control circuit or the like within which the temperature within extremely narrow tolerances on a set point or should be kept in a setpoint range, for example a Temperature setpoint, which must not fluctuate more than +/- 0.25 ° C.
  • the tempering fluid circuit 2 is tempering fluid through the pump 4 in Direction of an arrow 8 circulates.
  • a temperature control fluid source 10 is filled with temperature control fluid and forms one Heat exchanger path, in which a heat exchanger path 12 a Refrigerator 14 is located, through which refrigerant circulates.
  • the Refrigerator 14 may be of the type found in refrigerators and Freezers are known and compressed by a gaseous Refrigerant into a liquid refrigerant state and subsequent Expansion in which the refrigerant returns from the liquid state to the gaseous state passes, cold produces.
  • a fluid supply line 16 connects the temperature control fluid source 10 to a Inlet 18 in the temperature control fluid circuit 2 at one between the consumer 6 and the suction side 20 of the pump 4 located first connection point.
  • a fluid return line 22 connects an outlet 24 of the Tempering fluid circuit 2 at a second connection point between the Pressure side 38 of the pump 4 and the consumer 6 with an inlet 26 of the Thermal fluid source 10.
  • controllable valve 28 preferably in Form of an electromagnetic open-close valve, which is arranged in Dependence on the actual temperature value of a temperature sensor 30 open or is too.
  • the temperature sensor 30 is in the bath liquid circuit 2 between the Inlet 18 at the first connection point and the suction side 20 of the pump 4 arranged. It could also be in another place of the Bath fluid circuit can be arranged, however, have tests shown that at this point shown in the drawing faster and more precise temperature controls are possible.
  • An electronic control circuit 34 is functional with the temperature sensor 30 and the valve 28 connected and controls the valve 28 and thus his Fluid passage depending on that measured by the temperature sensor 30 Actual temperature value in order to maintain a temperature setpoint in the consumer preferably with the very narrow tolerance of +/- 0.25 ° C.
  • the temperature control fluid circuit 2 is a closed circuit. Also the Tempering fluid source 10 together with the fluid supply line 16 forms the Fluid return line 22 and the distance between them Thermostating fluid circuit 2, which contains the pump 4, a closed Circulation.
  • the temperature fluid circuit 2 is on its between the pressure side 38 of the Pump 4 and the consumer 6 section with a heater 40 Mistake.
  • the second connection point with the outlet 24 lies between the Pressure side 38 of the pump 4 and the heater 40.
  • the heater 40 is in Dependence on the actual temperature value of the temperature sensor 30 and the Temperature setpoint of the consumer 6 from the control circuit 34 enableable. This allows the consumer 6 in the start-up phase Printing press when its temperature is still below its optimal Operating temperature, i.e. below its temperature set point from which Tempering fluid of the Temperierfluid Vietnameselaufes 2 are heated. Before then the consumer 6 reaches its temperature setpoint, or at the latest when it reached it, the heater 40 is turned off.
  • the valve 28 is activated instead of the heater 40 the tempering fluid circuit 2 via the inlet 18 cooled tempering fluid from the Supply tempering fluid source 10. This feed is because it is a closed system acts, at the same time via the valve 28 corresponding amount of tempering fluid from the tempering fluid circuit 2 Tempering fluid source 10 removed.
  • the temperature control fluid is preferred Water.
  • Fluid supply lines 16 and fluid return lines 22 connected in parallel are trained differently or preferably the same for others Temperature control devices.
  • the same parts are always the same Provide reference numbers and are not described again.

Abstract

Temperiervorrichtung einer Druckmaschine mit einem Temperierfluidkreislauf (2), welcher eine Fluidzufuhrleitung (16,18) auf der Saugseite (20) einer in ihr enthaltenen Pumpe (4) und eine Fluidrückführleitung (22) auf der Druckseite (38) der Pumpe (4) hat. Die beiden Leitungen (16,22) sind an eine Temperierflüssigkeitsquelle (10) angeschlossen. <IMAGE>Temperature control device of a printing press with a temperature control fluid circuit (2), which has a fluid supply line (16, 18) on the suction side (20) of a pump (4) contained therein and a fluid return line (22) on the pressure side (38) of the pump (4) . The two lines (16, 22) are connected to a bath fluid (10). <IMAGE>

Description

Die Erfindung betrifft eine Temperiervorrichtung einer Druckmaschine gemäß dem Oberbegriff von Anspruch 1.The invention relates to a temperature control device according to a printing press the preamble of claim 1.

Eine Druckmaschine dieser Art ist aus der DE-A-44 29 520 bekannt. Für ihre Funktion ist ein Injector erforderlich, durch welchen die Temperiervorrichtung entsprechend teurer wird. Weitere Temperiervorrichtungen für Druckmaschinen sind aus der DE-A-42 02 544 und DE-A 37 26 820 bekannt. Zu temperierende Wärme-Verbraucher oder Kälte-Verbraucher sind Druckmaschinenzylinder verschiedenster Arten und Feuchtwasser für den Naß-Offset-Druck. Die Temperierung der Walzen oder Zylinder kann erfolgen, indem Temperierflüssigkeit durch sie hindurchgeleitet wird oder indem die Temperierflüssigkeit durch einen Wärmetauscher hindurch geleitet wird, durch welchen Luft gekühlt wird, welche von einem Gebläse auf die Mantelfläche des betreffenden Zylinders oder der entsprechenden Walze geblasen wird.A printing press of this type is known from DE-A-44 29 520. For your Function an injector is required through which the temperature control device is correspondingly more expensive. Further temperature control devices for printing machines are known from DE-A-42 02 544 and DE-A 37 26 820. To be tempered Heat consumers or cold consumers are printing press cylinders various types and fountain solution for wet offset printing. The Tempering of the rolls or cylinders can be done by Bath fluid is passed through it or by the Bath fluid is passed through a heat exchanger which air is cooled, which is blown by a fan onto the outer surface of the relevant cylinder or the corresponding roller is blown.

Durch die Erfindung soll die Aufgabe gelöst werden, die Temperiervorrichtung einer Druckmaschine derart auszubilden, daß sie preiswert ist und die Temperatur eines Verbrauchers in extrem engen Toleranzen halten kann.The object of the invention is to achieve the temperature control device to train a printing press in such a way that it is inexpensive and the Temperature of a consumer can be kept in extremely tight tolerances.

Diese Aufgabe wird gemäß der Erfindung durch die kennzeichnenden Merkmale von Anspruch 1 gelöst.This object is achieved according to the invention by the characterizing features solved by claim 1.

Weitere Merkmale sind in den Unteransprüchen enthalten. Further features are contained in the subclaims.

Die Erfindung dient insbesondere zum Kühlen von Teilen der Druckmaschine, welche ohne eine solche Kühlung Temperaturwerte erreichen würden, die über dem für einen optimalen Druckvorgang erforderlichen Temperaturwert liegen. Die Erfindung eignet sich jedoch auch zum Erwärmen von Druchmaschinenteilen, solange diese in einer Maschinen-Anlaufphase noch nicht ihre optimale Betriebstemperatur erreicht haben.The invention is used in particular for cooling parts of the printing press, which, without such cooling, would reach temperature values above the temperature value required for an optimal printing process. However, the invention is also suitable for heating Machine parts as long as they are still in a machine start-up phase have not reached their optimal operating temperature.

Die Erfindung wird im folgenden mit Bezug auf die Zeichnung anhand einer bevorzugten Ausführungsform als Beispiel beschrieben. In der Zeichnung zeigt

Fig. 1
schematisch eine Temperiervorrichtung nach der Erfindung für eine Druckmaschine
The invention is described below with reference to the drawing using a preferred embodiment as an example. In the drawing shows
Fig. 1
schematically a temperature control device according to the invention for a printing press

Die in der Zeichnung dargestellte Temperiervorrichtung einer Druckmaschine enthält einen Temperierfluidkreislauf 2, welcher eine Pumpe 4 enthält und in welchen ein Verbraucher 6 der Druckmaschine integrierbar ist. Der Verbraucher 6 kann ein Zylinder oder eine Walze oder ein eine Flüssigkeit enthaltendes Teil oder eine elektronische Steuerschaltung oder dergleichen sein, innerhalb welcher die Temperatur innerhalb extrem enger Toleranzen auf einem Sollwert bzw. in einem Sollwertbereich gehalten werden soll, beispielsweise ein Temperatursollwert, welcher nicht mehr als +/- 0,25°C schwanken darf. In dem Temperierfluidkreislauf 2 wird Temperierfluid durch die Pumpe 4 in Richtung eines Pfeiles 8 zirkuliert.The temperature control device of a printing press shown in the drawing contains a temperature control fluid circuit 2, which contains a pump 4 and in which a consumer 6 of the printing press can be integrated. The consumer 6 can be a cylinder or a roller or a part containing a liquid or be an electronic control circuit or the like within which the temperature within extremely narrow tolerances on a set point or should be kept in a setpoint range, for example a Temperature setpoint, which must not fluctuate more than +/- 0.25 ° C. In The tempering fluid circuit 2 is tempering fluid through the pump 4 in Direction of an arrow 8 circulates.

Eine Temperierfluidquelle 10 ist mit Temperierfluid gefüllt und bildet eine Wärmetauscherstrecke, in welcher sich eine Wärmetauscherstrecke 12 eines Kälteerzeugers 14 befindet, durch welche Kältemittel zirkuliert. Der Kälteerzeuger 14 kann von der Art sein, wie sie von Kühlschränken und Gefriertruhen bekannt ist und durch Kompression eines gasförmigen Kältemittels in einen flüssigen Kältemittelzustand und anschließende Expansion, bei welcher das Kältemittel vom flüssigen Zustand wieder in den gasförmigen Zustand übergeht, Kälte erzeugt.A temperature control fluid source 10 is filled with temperature control fluid and forms one Heat exchanger path, in which a heat exchanger path 12 a Refrigerator 14 is located, through which refrigerant circulates. The Refrigerator 14 may be of the type found in refrigerators and Freezers are known and compressed by a gaseous Refrigerant into a liquid refrigerant state and subsequent Expansion in which the refrigerant returns from the liquid state to the gaseous state passes, cold produces.

Eine Fluidzufuhrleitung 16 verbindet die Temperierfluidquelle 10 mit einem Einlaß 18 in den Temperierfluidkreislauf 2 an einer zwischen dem Verbraucher 6 und der Saugseite 20 der Pumpe 4 gelegenen ersten Anschlußstelle.A fluid supply line 16 connects the temperature control fluid source 10 to a Inlet 18 in the temperature control fluid circuit 2 at one between the consumer 6 and the suction side 20 of the pump 4 located first connection point.

Eine Fluidrücktührleitung 22 verbindet einen Auslaß 24 des Temperierfluidkreislaufes 2 an einer zweiten Anschlußstelle zwischen der Druckseite 38 der Pumpe 4 und dem Verbraucher 6 mit einem Einlaß 26 der Temperierfluidquelle 10.A fluid return line 22 connects an outlet 24 of the Tempering fluid circuit 2 at a second connection point between the Pressure side 38 of the pump 4 and the consumer 6 with an inlet 26 of the Thermal fluid source 10.

In der Fluidrückführleitung 22 ist ein steuerbares Ventil 28, vorzugsweise in Form eines elektromagnetischen Auf-Zu-Ventils, angeordnet, welches in Abhängigkeit von dem Temperaturistwert eines Temperaturfühlers 30 offen oder zu ist.In the fluid return line 22 is a controllable valve 28, preferably in Form of an electromagnetic open-close valve, which is arranged in Dependence on the actual temperature value of a temperature sensor 30 open or is too.

Der Temperaturfühler 30 ist im Temperierflüssigkeitskreislauf 2 zwischen dem Einlaß 18 an der ersten Anschlußstelle und der Saugseite 20 der Pumpe 4 angeordnet. Er könnte auch an einer anderen Stelle des Temperierflüssigkeitskreislaufes angeordnet werden, jedoch haben Versuche gezeigt, daß an dieser in der Zeichnung dargestellten Stelle schnellere und genauere Temperaturregelungen möglich sind.The temperature sensor 30 is in the bath liquid circuit 2 between the Inlet 18 at the first connection point and the suction side 20 of the pump 4 arranged. It could also be in another place of the Bath fluid circuit can be arranged, however, have tests shown that at this point shown in the drawing faster and more precise temperature controls are possible.

Eine elektronische Steuerschaltung 34 ist funktionell mit dem Temperaturfühler 30 und dem Ventil 28 verbunden und steuert das Ventil 28 und damit seinen Fluiddurchlaß in Abhängigkeit von dem vom Temperaturfühler 30 gemessenen Temperaturistwert, um im Verbraucher einen Temperatursollwert einzuhalten, vorzugsweise mit der sehr engen Toleranz von +/- 0,25°C. An electronic control circuit 34 is functional with the temperature sensor 30 and the valve 28 connected and controls the valve 28 and thus his Fluid passage depending on that measured by the temperature sensor 30 Actual temperature value in order to maintain a temperature setpoint in the consumer preferably with the very narrow tolerance of +/- 0.25 ° C.

Der Temperierfluidkreislauf 2 ist ein geschlossener Kreislauf. Auch die Temperierfluidquelle 10 bildet zusammen mit der Fluidzufuhrleitung 16, der Fluidrückführleitung 22 und der zwischen ihnen gelegenen Strecke des Temperierfluidkreislaufes 2, welche die Pumpe 4 enthält, einen geschlossenen Kreislauf.The temperature control fluid circuit 2 is a closed circuit. Also the Tempering fluid source 10 together with the fluid supply line 16 forms the Fluid return line 22 and the distance between them Thermostating fluid circuit 2, which contains the pump 4, a closed Circulation.

Der Temperaturfluidkreislauf 2 ist auf seinem zwischen der Druckseite 38 der Pumpe 4 und dem Verbraucher 6 gelegenen Abschnitt mit einer Heizung 40 versehen. Die zweite Anschlußstelle mit dem Auslaß 24 liegt zwischen der Druckseite 38 der Pumpe 4 und der Heizung 40. Die Heizung 40 ist in Abhängigkeit von dem Temperaturistwert des Temperaturfühlers 30 und dem Temperatursollwert des Verbrauchers 6 von der Steuerschaltung 34 aktivierbar. Dadurch kann der Verbraucher 6 in der Anlaufphase der Druckmaschine, wenn seine Temperatur noch unterhalb seiner optimalen Betriebstemperatur liegt, d.h. unterhalb seiner Temperatursollwertes, von dem Temperierfluid des Temperierfluidkreislaufes 2 erwärmt werden. Bevor dann der Verbraucher 6 seinen Temperatursollwert erreicht, oder spätestens wenn er ihn erreicht, wird die Heizung 40 abgeschaltet. Bei Überschreiten des Temperatursollwertes wird anstelle der Heizung 40 das Ventil 28 aktiviert, um dem Temperierfluidkreis 2 über den Einlaß 18 gekühltes Temperierfluid aus der Temperierfluidquelle 10 zuzuführen. Bei dieser Zufuhr wird, weil es sich um ein geschlossenes System handelt, gleichzeitig über das Ventil 28 eine entsprechende Menge Temperierfluid aus dem Temperierfluidkreislauf 2 zur Temperierfluidquelle 10 abgeführt. Das Temperierfluid ist vorzugsweise Wasser.The temperature fluid circuit 2 is on its between the pressure side 38 of the Pump 4 and the consumer 6 section with a heater 40 Mistake. The second connection point with the outlet 24 lies between the Pressure side 38 of the pump 4 and the heater 40. The heater 40 is in Dependence on the actual temperature value of the temperature sensor 30 and the Temperature setpoint of the consumer 6 from the control circuit 34 enableable. This allows the consumer 6 in the start-up phase Printing press when its temperature is still below its optimal Operating temperature, i.e. below its temperature set point from which Tempering fluid of the Temperierfluidkreislaufes 2 are heated. Before then the consumer 6 reaches its temperature setpoint, or at the latest when it reached it, the heater 40 is turned off. If the Temperature setpoint, the valve 28 is activated instead of the heater 40 the tempering fluid circuit 2 via the inlet 18 cooled tempering fluid from the Supply tempering fluid source 10. This feed is because it is a closed system acts, at the same time via the valve 28 corresponding amount of tempering fluid from the tempering fluid circuit 2 Tempering fluid source 10 removed. The temperature control fluid is preferred Water.

Wie die Zeichnung zeigt, können an die Temperierfluidquelle 10 mehrere Fluidzufuhrleitungen 16 und Fluidrückführleitungen 22 parallel angeschlossen werden für weitere anders oder vorzugsweise gleich ausgebildete Temperiervorrichtungen. In der Zeichnung ist auf diese Weise ein weiterer Temperierfluidkreislauf 2 über eine Fluidzufuhrleitung 16-2 und eine Fluidrückführleitung 22-2 angeschlossen. Gleiche Teile sind jeweils mit gleichen Bezugszahlen versehen und werden nicht nochmals beschrieben.As the drawing shows, several can be connected to the thermal fluid source 10 Fluid supply lines 16 and fluid return lines 22 connected in parallel are trained differently or preferably the same for others Temperature control devices. Another is in the drawing in this way Temperature control fluid circuit 2 via a fluid supply line 16-2 and Fluid return line 22-2 connected. The same parts are always the same Provide reference numbers and are not described again.

Claims (8)

Temperiervorrichtung einer Druckmaschine, enthaltend einen Temperierfluidkreislauf (2), welcher eine Pumpe (4) und einen zu temperierenden Verbraucher (6) enthält oder in welchen ein zu temperierender Verbraucher integrierbar ist; eine Temperierfluidquelle (10); eine Fluidzufuhrleitung (16) von der Temperierfluidquelle (10) zu einem Einlaß (18) in den Temperierkreislauf (2) an einer zwischen dem Verbraucher (6) und der Saugseite (20) der Pumpe (4) gelegenen ersten Anschlußstelle; eine Fluidrückführleitung (22) von einem Auslaß (24) des Temperierfluidkreislaufes (2) an einer zwischen der Druckseite (38) der Pumpe (4) und dem Verbraucher (6) gelegenen zweiten Anschlußstelle zur Temperierfluidquelle (10); ein steuerbares Ventil (28) in der Fluidrückführleitung (22); einen Temperaturfühler (30) im Temperaturfluidkreisf auf; eine elektronische Steuerschaltung (34), welche das Ventil (28) und damit seinen Fluiddurchlaß in Abhängigkeit von dem vom Temperaturfühler gemessenen Temperaturistwert einstellt, um im Verbraucher einen Temperatursollwert einzuhalten.Temperature control device of a printing press, containing one Temperature fluid circuit (2), which a pump (4) and one contains tempering consumers (6) or in which one too tempering consumer can be integrated; a thermal fluid source (10); a fluid supply line (16) from the temperature control fluid source (10) to one Inlet (18) in the temperature control circuit (2) at one between the Consumer (6) and the suction side (20) of the pump (4) located first Junction; a fluid return line (22) from an outlet (24) of the Temperature control fluid circuit (2) on one between the pressure side (38) of the Pump (4) and the consumer (6) located second connection point Tempering fluid source (10); a controllable valve (28) in the Fluid return line (22); a temperature sensor (30) in Temperature fluid circuit; an electronic control circuit (34) which the valve (28) and thus its fluid passage depending on the sets the actual temperature value measured by the temperature sensor in order to Consumers must adhere to a temperature setpoint. Temperiervorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Ventil (28) ein Auf-Zu-Ventil ist, welches je nach Ansteuerung durch die Steuerschaltung (34) entweder auf oder zu ist.Temperature control device according to claim 1, characterized in that the Valve (28) is an on-off valve which, depending on the control by the Control circuit (34) is either open or closed. Temperiervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Temperaturfühler (30) im Temperierfluidkreislauf (2) zwischen der ersten Anschlußstelle des Einlasses (18) und der Saugseite (20) der Pumpe (4) angeordnet ist.Temperature control device according to one of the preceding claims, characterized characterized in that the temperature sensor (30) in the temperature control fluid circuit (2) between the first junction of the inlet (18) and the Suction side (20) of the pump (4) is arranged. Temperiervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Temperierfluidkreislauf (2) auf seinem zwischen der Druckseite (38) der Pumpe (4) und dem Verbraucher (6) gelegenen Abschnitt mit einer Heizquelle (40) versehen ist, und daß die Heizquelle (40) in Abhängigkeit von dem Temperaturistwert des Temperaturfühlers und dem Temperatursoliwert des Verbrauchers (6) von der Steuerschaltung (34) aktivierbar ist.Temperature control device according to one of the preceding claims, characterized characterized in that the temperature control fluid circuit (2) on its between the pressure side (38) of the pump (4) and the consumer (6) Section is provided with a heat source (40), and that the heat source (40) depending on the actual temperature value of the temperature sensor and the temperature solitary value of the consumer (6) from the control circuit (34) can be activated. Temperiervorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die zweite Anschlußstelle (24) des Temperierfluidkreislaufes (2) für die Fluidrückführleitung (22) zwischen der Druckseite (38) der Pumpe (4) und der Heizquelle (40) angeordnet ist.Temperature control device according to claim 4, characterized in that the second connection point (24) of the temperature control fluid circuit (2) for the Fluid return line (22) between the pressure side (38) of the pump (4) and the heat source (40) is arranged. Temperiervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Temperierfluidkreislauf (2) ein geschlossener Kreislauf ist.Temperature control device according to one of the preceding claims, characterized in that the temperature control fluid circuit (2) is a closed circuit. Temperiervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Temperierfluidquelle (10) Temperiermittel (12) zur Temperierung des Temperierfluides aufweist.Temperature control device according to one of the preceding claims, characterized in that the temperature control fluid source (10) has temperature control means (12) for temperature control of the temperature control fluid. Temperiervorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die Temperierfluidquelle (10) eine Wärmetauscherstrecke ist, die zusammen mit der Fluidzufuhrleitung, der Fluidrückführleitung und der zwischen ihnen gelegenen Strecke (4) des Temperierfluidkreislaufes einen geschlossenen Kreislauf bildet und mit einer Wärmetauscherstrecke (12) eines Kältemittelkreislaufes (12, 14) einen Wärmetauscher bildet.Temperature control device according to claim 6, characterized in that the Tempering fluid source (10) is a heat exchanger section, which together with the fluid supply line, the fluid return line, and the one between them located route (4) of the temperature control fluid circuit a closed Forms a circuit and one with a heat exchanger section (12) Refrigerant circuit (12, 14) forms a heat exchanger.
EP99120424A 1998-12-10 1999-10-14 Temperature-regulating device of a printing machine Expired - Lifetime EP1016521B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19857108 1998-12-10
DE19857108A DE19857108A1 (en) 1998-12-10 1998-12-10 Temperature control device for printing press, with fluid circuit including pump and two lines

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EP1016521A1 true EP1016521A1 (en) 2000-07-05
EP1016521B1 EP1016521B1 (en) 2003-09-24

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US (1) US6202556B1 (en)
EP (1) EP1016521B1 (en)
JP (1) JP3143453B2 (en)
CN (1) CN1100672C (en)
DE (2) DE19857108A1 (en)

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US6202556B1 (en) 2001-03-20
JP3143453B2 (en) 2001-03-07
DE59907111D1 (en) 2003-10-30
JP2000168037A (en) 2000-06-20
CN1256203A (en) 2000-06-14
EP1016521B1 (en) 2003-09-24
DE19857108A1 (en) 2000-06-15
CN1100672C (en) 2003-02-05

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