EP3837440A1 - Cylinder head for a compressor - Google Patents

Cylinder head for a compressor

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Publication number
EP3837440A1
EP3837440A1 EP19744669.3A EP19744669A EP3837440A1 EP 3837440 A1 EP3837440 A1 EP 3837440A1 EP 19744669 A EP19744669 A EP 19744669A EP 3837440 A1 EP3837440 A1 EP 3837440A1
Authority
EP
European Patent Office
Prior art keywords
cylinder head
chambers
chamber
compressor
head according
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
EP19744669.3A
Other languages
German (de)
French (fr)
Other versions
EP3837440B1 (en
Inventor
Marius BURKAUSKAS
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.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
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Filing date
Publication date
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Publication of EP3837440A1 publication Critical patent/EP3837440A1/en
Application granted granted Critical
Publication of EP3837440B1 publication Critical patent/EP3837440B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/125—Cylinder heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10—Adaptations or arrangements of distribution members
    • F04B39/1066—Valve plates

Definitions

  • the invention relates to a cylinder head for a compressor, in particular a reciprocating compressor for use in motor vehicles, which is suitable for compressing a compressible working medium, in particular air, for use in a compressed air supply device of a motor vehicle.
  • Reciprocating compressors or compressors or air compressors are used to compress gases, e.g. B. air, which is used as a working medium for operating various units in a motor vehicle.
  • the reciprocating compressor essentially consists of a main body, or crankshaft housing or cylinder housing, in which at least one reciprocating piston is arranged, and a cylinder head.
  • ambient air is sucked into the piston chamber via an inlet duct, compressed and then passed on via a duct.
  • the compressed air is passed on to a further or subsequent compressor stage, where it is compressed further.
  • the compressed air is then fed into the compressed air tank via an air treatment unit.
  • a cylinder head is known, for example, from DE 10 2015 225 069 A1 and is composed of several components which are arranged one above the other in layers. The components form different channels or chambers through which air or a cooling medium, in particular cooling water, flows.
  • the channel guide through the cylinder head or through the individual components of the cylinder head is selected such that the channel is as long as possible and passes as close as possible to the coolant channel. Due to the compact design of the cylinder head, however, it cannot be avoided that heat exchange takes place between the air flows that are led through the cylinder head and have different temperatures. The heat transfer between the air flows at different temperatures takes place via the partition walls of the ducts. Due to the metallic design of these partitions, the thermal conductivity is very good. The disadvantage is that this heat transfer negatively affects the efficiency of the reciprocating compressor.
  • the object of the invention is to improve the cylinder head structure in such a way that the efficiency of the reciprocating compressor is increased.
  • a cylinder head for a reciprocating piston compressor for compressing a compressible working medium comprising a cylinder cover and a valve carrier plate, is proposed, which is constructed as follows and has the following features.
  • An intermediate element is arranged between the cylinder cover and the valve support plate and a plurality of channel sections and / or chambers are arranged or formed by the valve support plate and the intermediate element and between the cylinder cover and the intermediate element, through which different media flows can be conducted.
  • one or more insulating chambers are provided in the cylinder head, which thermally isolate the duct sections and / or karmers from one another at least in regions.
  • an inlet space and an outlet space are provided, between which the insulating chamber is arranged.
  • further insulation chambers can also be arranged between different temperature ranges.
  • an exhaust port can be provided in the cylinder head, the insulating port thermally insulating the intake space and the exhaust space at least in regions from the exhaust port.
  • the insulating chambers can essentially be formed by depressions in the valve carrier plate and / or in the cylinder cover. The depressions are then closed by means of the intermediate element.
  • the isolation chambers preferably contain enclosed ambient air. No additional work step needs to be planned for assembly.
  • the insulation chambers can also be filled with an insulation material or contain a vacuum.
  • the intermediate element has connection openings which connect the channel sections and / or chambers in the valve carrier plate and in the cylinder cover to one another.
  • the air flow and / or the cooling medium flow can thus move from one level to another.
  • the intermediate element can also be a sealing element.
  • the cylinder head can be a cylinder head for a multi-stage reciprocating compressor, the inlet chambers of the compressor stages being arranged between the outlet chambers of the compressor stages.
  • an insulating chamber can be arranged between the outlet chamber and the inlet chamber of the second compressor stage and / or between the inlet chamber of the second compressor stage and the inlet chamber of the first compressor stage.
  • FIG. 2 top view of the cylinder head (section A-A)
  • FIG. 3 Alternative structure for a cylinder head
  • Figure 1 shows a two-stage reciprocating compressor 1 or compressor with Zylin derkopf 2 in section. The course of the cut can be seen in FIG. 2.
  • the cylinder head 2 is composed of the valve support plate 5, the cylinder head cover 7 and an intermediate element 6 arranged between them.
  • FIG. 2 shows a plan view of the cylinder head 2, the section A-A being shown in FIG.
  • the reciprocating compressor 1 has water cooling which runs through the cylinder housing 3 and through the cylinder head 2.
  • FIGS. 1 and 2 As can also be seen from FIGS. 1 and 2, several channel sections 8.1, 10 and several chambers 14.1, 14.2, 15.1 and 15.2 are present between valve carrier plate 5 and intermediate element 6 and between cylinder cover 7 and intermediate element 6. Furthermore, there are several insulating chambers in the cylinder head 2
  • the insulating chambers 9.1 and 9.2 are arranged such that, in particular, the duct section 10, through which the hot compressed air of the second compressor stage 18 is directed to the outlet opening 20, from the chambers
  • 14.1, 14.2, 15.1 and 15.2 is isolated. This prevents undesired heating of the intake air, in particular the cool ambient air, and the precompressed air which is conducted from the first compressor stage 17 to the second compressor stage 18.
  • the isolation chambers 9.1 and 9.2 are closed cavities which are essentially formed by depressions in the valve carrier plate 5 and in the cylinder cover 7 and are closed by the intermediate element 6.
  • the insulating chambers 9.1 and 9.2 are filled with ambient air that was enclosed during assembly
  • Connection channel 19 are once in contact with the cooling channel 8.2 and also have a large cooling surface with respect to the ambient air.
  • Figure 3 shows an alternative structure for a cylinder head 1. This differs essentially in the arrangement of the channels and chambers.
  • the insulating chambers 9.3 are arranged here between the connecting duct 19 and the compressed air duct 10.
  • the insulating chamber 9.3 is incorporated in the valve support plate 5 and is closed by the sealing element 4.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)

Abstract

The invention relates to a cylinder head (2) for a reciprocating compressor for compressing a compressible working medium, comprising a cylinder cover (7) and a valve carrier plate (5), said cylinder head being designed as follows and having the following features. An intermediate element (6) is arranged between the cylinder cover (7) and the valve carrier plate (5), and a plurality of channel sections (8.1, 10) and/or chambers (14.1, 14.2, 15.1, 15.2) are arranged between the valve carrier plate (5) and the intermediate element (6) and between the cylinder cover (7) and the intermediate element (7) or are formed thereby, through which various media flows can be conducted. In order to improve the efficiency of the reciprocating compressor, insulation chambers (9.1... 9.3) are provided in the cylinder head (2), which at least in regions thermally insulate the channel sections (8.1, 10) and/or chambers (14,14.2, 15.1, 15.2) from one another.

Description

Zylinderkopf für einen Kompressor  Cylinder head for a compressor
Die Erfindung betrifft einen Zylinderkopf für einen Kompressor, insbesondere einen Hubkolbenkompressor für den Einsatz in Kraftfahrzeugen, der zum Verdichten eines kompressiblen Arbeitsmediums, insbesondere Luft, für den Einsatz in einer Druckluft- versorgungsvorrichtung eines Kraftfahrzeugs, geeignet ist. The invention relates to a cylinder head for a compressor, in particular a reciprocating compressor for use in motor vehicles, which is suitable for compressing a compressible working medium, in particular air, for use in a compressed air supply device of a motor vehicle.
Hubkolbenverdichter bzw. Verdichter oder Luftpresser dienen der Kompression von Gasen, z. B. Luft, die als Arbeitsmedium zum Betrieb verschiedener Aggregate in einem Kraftfahrzeug genutzt wird. Reciprocating compressors or compressors or air compressors are used to compress gases, e.g. B. air, which is used as a working medium for operating various units in a motor vehicle.
Der Hubkolbenverdichter besteht im Wesentlichen aus einem Grundkörper, bzw. Kur- belwellengehäuse oder Zylindergehäuse, in dem mindestens ein Hubkolben ange- ordnet ist, und einem Zylinderkopf. Im Betrieb wird Umgebungsluft über einen Ein- lasskanal in den Hubkolbenraum eingesaugt, verdichtet und anschließend über einen Kanal weitergeleitet. Bei einem mehrstufigen Hubkolbenverdichter erfolgt die Weiter- leitung der verdichteten Luft in eine weitere bzw. nachfolgende Verdichterstufe und wird dort weiter verdichtet. Die komprimierte Luft wird anschließend über eine Luft- aufbereitungseinheit in den Druckluftbehälter geleitet. Ein derartiger Zylinderkopf ist beispielsweise aus der DE 10 2015 225 069 A1 be- kannt und setzt sich aus mehreren Bauteilen zusammen, die schichtweise übereinan- der angeordnet sind. Die Bauteile bilden unterschiedliche Kanäle oder Kammern, durch die Luft oder ein Kühlmedium, insbesondere Kühlwasser strömt. Zur Kühlung der komprimierten Luft wird die Kanalführung durch den Zylinderkopf bzw. durch die einzelnen Bauteile des Zylinderkopfs derart gewählt, dass der Kanal möglichst lang ist und möglichst nah an dem Kühlmittelkanal vorbeiführt. Durch die kompakte Bau- weise des Zylinderkopfes lässt es sich allerdings nicht vermeiden, dass ein Wär- meaustausch zwischen den Luftströmen, die durch den Zylinderkopf geführt werden und unterschiedliche Temperaturen aufweisen, stattfindet. Die Wärmeübertragung zwischen den Luftströmen mit unterschiedlichen Temperatu- ren erfolgt dabei über die Trennwände der Kanäle. Durch die metallische Ausführung dieser Trennwände ist die Wärmeleitfähigkeit sehr gut. Nachteilig ist, dass diese Wärmeübertragung den Wirkungsgrad des Hubkolbenverdichters negativ beeinflusst. Die Aufgabe der Erfindung ist es, den Zylinderkopfaufbau derart zu verbessern, dass die Effizienz des Hubkolbenverdichters vergrößert wird. The reciprocating compressor essentially consists of a main body, or crankshaft housing or cylinder housing, in which at least one reciprocating piston is arranged, and a cylinder head. In operation, ambient air is sucked into the piston chamber via an inlet duct, compressed and then passed on via a duct. In the case of a multi-stage reciprocating compressor, the compressed air is passed on to a further or subsequent compressor stage, where it is compressed further. The compressed air is then fed into the compressed air tank via an air treatment unit. Such a cylinder head is known, for example, from DE 10 2015 225 069 A1 and is composed of several components which are arranged one above the other in layers. The components form different channels or chambers through which air or a cooling medium, in particular cooling water, flows. To cool the compressed air, the channel guide through the cylinder head or through the individual components of the cylinder head is selected such that the channel is as long as possible and passes as close as possible to the coolant channel. Due to the compact design of the cylinder head, however, it cannot be avoided that heat exchange takes place between the air flows that are led through the cylinder head and have different temperatures. The heat transfer between the air flows at different temperatures takes place via the partition walls of the ducts. Due to the metallic design of these partitions, the thermal conductivity is very good. The disadvantage is that this heat transfer negatively affects the efficiency of the reciprocating compressor. The object of the invention is to improve the cylinder head structure in such a way that the efficiency of the reciprocating compressor is increased.
Die Aufgabe wird erfindungsgemäß durch eine Zylinderkopfausführung gelöst, die derart aufgebaut ist, dass eine unerwünschte Wärmeübertragung zwischen zwei Flu- idströmungen minimiert wird. Weitere vorteilhafte Merkmale der erfindungsgemäßen Ausführung finden sich in den Unteransprüchen. The object is achieved according to the invention by a cylinder head design which is constructed in such a way that undesired heat transfer between two fluid flows is minimized. Further advantageous features of the embodiment according to the invention can be found in the subclaims.
Es wird ein Zylinderkopf für einen Hubkolbenverdichter zum Verdichten eines korm- pressiblen Arbeitsmediums, umfassend ein Zylinderdeckel und eine Ventilträgerplatte, vorgeschlagen, der wie folgt Aufgebaut ist und folgende Merkmale aufweist. A cylinder head for a reciprocating piston compressor for compressing a compressible working medium, comprising a cylinder cover and a valve carrier plate, is proposed, which is constructed as follows and has the following features.
Zwischen Zylinderdeckel und Ventilträgerplatte ist ein Zwischenelement angeordnet und zwischen Ventilträgerplatte und Zwischenelement sowie zwischen Zylinderdeckel und Zwischenelement sind mehrere Kanalabschnitte und/oder Kammern angeordnet bzw. werden durch diese gebildet, durch die unterschiedliche Medienströme leitbar sind. Zur Verbesserung der Effizienz des Hubkolbenverdichters sind im Zylinderkopf eine oder mehr Isolierkammer vorgesehen, die die Kanalabschnitte und/oder Karm- mern zumindest bereichsweise thermisch voneinander isolieren. In einer bevorzugten Ausführung, zum Beispiel bei einem einstufigen Hubkolbenver- dichter, sind ein Einlassraum und ein Auslassraum vorgesehen, zwischen denen die Isolierkammer angeordnet ist. Bei Mehrkolbenverdichtern oder auch mehrstufigen Verdichtern, können auch weitere Isolierkammern zwischen unterschiedlichen Term- peraturbereichen angeordnet sein. Weiterhin kann im Zylinderkopf ein Auslasskanal vorgesehen sein, wobei der Isolier kanal den Einlassraum und den Auslassraum zumindest bereichsweise gegenüber dem Auslasskanal thermisch isoliert. Die Isolierkammern können im Wesentlichen durch Vertiefungen in der Ventilträger- platte und/oder im Zylinderdeckel gebildet werden. Dabei werden die Vertiefungen dann mittels des Zwischenelements verschlossen. An intermediate element is arranged between the cylinder cover and the valve support plate and a plurality of channel sections and / or chambers are arranged or formed by the valve support plate and the intermediate element and between the cylinder cover and the intermediate element, through which different media flows can be conducted. In order to improve the efficiency of the reciprocating compressor, one or more insulating chambers are provided in the cylinder head, which thermally isolate the duct sections and / or karmers from one another at least in regions. In a preferred embodiment, for example in the case of a single-stage reciprocating compressor, an inlet space and an outlet space are provided, between which the insulating chamber is arranged. In the case of multi-piston compressors or also multi-stage compressors, further insulation chambers can also be arranged between different temperature ranges. Furthermore, an exhaust port can be provided in the cylinder head, the insulating port thermally insulating the intake space and the exhaust space at least in regions from the exhaust port. The insulating chambers can essentially be formed by depressions in the valve carrier plate and / or in the cylinder cover. The depressions are then closed by means of the intermediate element.
Vorzugweise enthalten die Isolierkammern eingeschlossene Umgebungsluft. Bei der Montage braucht somit kein zusätzlicher Arbeitsschritt eingeplant werden. Alternativ können die Isolierkammern aber auch mit einem Isoliermaterial gefüllt sein oder Va- kuum enthalten. The isolation chambers preferably contain enclosed ambient air. No additional work step needs to be planned for assembly. Alternatively, the insulation chambers can also be filled with an insulation material or contain a vacuum.
Weiterhin kann vorgesehen sein, dass das Zwischenelement Verbindungsöffnungen aufweist, die Kanalabschnitte und/oder Kammern in der Ventilträgerplatte und im Zy - linderdeckel miteinander verbinden. So können der Luftstrom und/oder der Kühlmedi- umstrom von einer Ebene in eine andere gelangen. Das Zwischenelement kann auch ein Dichtelement sein. In einer Ausführung kann der Zylinderkopf ein Zylinderkopf für einen mehrstufigen Hubkolbenverdichter sein, wobei zwischen den Auslasskammern der Verdichterstufen die Einlasskammern der Verdichterstufen angeordnet sind. Furthermore, it can be provided that the intermediate element has connection openings which connect the channel sections and / or chambers in the valve carrier plate and in the cylinder cover to one another. The air flow and / or the cooling medium flow can thus move from one level to another. The intermediate element can also be a sealing element. In one embodiment, the cylinder head can be a cylinder head for a multi-stage reciprocating compressor, the inlet chambers of the compressor stages being arranged between the outlet chambers of the compressor stages.
Weiterhin kann zwischen der Auslasskammer und der Einlasskammer der zweiten Verdichterstufe und/oder zwischen der Einlasskammer der zweiten Verdichterstufe und der Einlasskammer der ersten Verdichterstufe eine Isolierkammer angeordnet sein. Furthermore, an insulating chamber can be arranged between the outlet chamber and the inlet chamber of the second compressor stage and / or between the inlet chamber of the second compressor stage and the inlet chamber of the first compressor stage.
Anhand von Ausführungsbeispielen werden weitere vorteilhafte Ausprägungen der Erfindung erläutert unter Bezugnahme auf die Zeichnungen. Die genannten Merkmale können nicht nur in der dargestellten Kombination vorteilhaft umgesetzt werden, son- dern auch einzeln untereinander kombiniert werden. Die Figuren zeigen im Einzelnen: Fig.1 Hubkolbenverdichter mit Zylinderkopf (Schnitt B-B)Based on exemplary embodiments, further advantageous features of the invention are explained with reference to the drawings. The features mentioned can not only be implemented advantageously in the combination shown, but can also be combined individually with one another. The figures show in detail: Fig. 1 reciprocating compressor with cylinder head (section BB)
Fig.2 Draufsicht auf den Zylinderkopf (Schnitt A-A) Fig. 2 top view of the cylinder head (section A-A)
Fig. 3 Alternativer Aufbau für einen Zylinderkopf Figur 1 zeigt einen zweistufigen Hubkolbenverdichter 1 bzw. Kompressor mit Zylin derkopf 2 im Schnitt. Der Schnittverlauf ist aus Figur 2 zu entnehmen. Der Zylinder- kopf 2 setzt sich zusammen aus der Ventilträgerplatte 5, dem Zylinderkopfdeckel 7 und einem dazwischen angeordneten Zwischenelement 6. Figur 2 zeigt eine Draufsicht auf den Zylinderkopf 2, wobei der Schnittverlauf A-A aus Figur 1 zu entnehmen ist.  Fig. 3 Alternative structure for a cylinder head Figure 1 shows a two-stage reciprocating compressor 1 or compressor with Zylin derkopf 2 in section. The course of the cut can be seen in FIG. 2. The cylinder head 2 is composed of the valve support plate 5, the cylinder head cover 7 and an intermediate element 6 arranged between them. FIG. 2 shows a plan view of the cylinder head 2, the section A-A being shown in FIG.
Der Hubkolbenverdichter 1 weist eine Wasserkühlung auf, die durch das Zylinderge- häuse 3 und durch den Zylinderkopf 2 verläuft. Nicht zu erkennen ist der genaue Ver- lauf der Kühlmittelkanäle 8.1 und 8.2, die miteinander verbunden sind, so dass ein Kühlmittelstrom durch beide Bereiche strömen kann. The reciprocating compressor 1 has water cooling which runs through the cylinder housing 3 and through the cylinder head 2. The exact course of the coolant channels 8.1 and 8.2, which are connected to one another, cannot be seen, so that a coolant flow can flow through both areas.
Wie aus den Figuren 1 und 2 weiterhin zu entnehmen ist, verlaufen zwischen Ventil- trägerplatte 5 und Zwischenelement 6 sowie zwischen Zylinderdeckel 7 und Zwi- schenelement 6 mehrere Kanalabschnitte 8.1 , 10 und mehrere Kammern 14.1 , 14.2, 15.1 und 15.2 vorhanden. Weiterhin sind im Zylinderkopf 2 mehrere IsolierkammernAs can also be seen from FIGS. 1 and 2, several channel sections 8.1, 10 and several chambers 14.1, 14.2, 15.1 and 15.2 are present between valve carrier plate 5 and intermediate element 6 and between cylinder cover 7 and intermediate element 6. Furthermore, there are several insulating chambers in the cylinder head 2
9.1 , 9.2 angeordnet. 9.1, 9.2 arranged.
Die Isolierkammern 9.1 und 9.2 sind in diesem Ausführungsbeispiel derart angeord- net, dass insbesondere der Kanalabschnitt 10, durch den die heiße Druckluft der zweiten Verdichterstufe 18 zur Auslassöffnung 20 geleitet wird, von den KammernIn this exemplary embodiment, the insulating chambers 9.1 and 9.2 are arranged such that, in particular, the duct section 10, through which the hot compressed air of the second compressor stage 18 is directed to the outlet opening 20, from the chambers
14.1 , 14.2, 15.1 und 15.2 isoliert wird. Auf diese Weise wird verhindert, dass es zu einer unerwünschten Erwärmung der Ansaugluft, insbesondere der kühlen Urmge- bungsluft, und der vorkomprimierten Luft, die von der ersten Verdichterstufe 17 zur zweiten Verdichterstufe 18 geleitet wird, kommt. 14.1, 14.2, 15.1 and 15.2 is isolated. This prevents undesired heating of the intake air, in particular the cool ambient air, and the precompressed air which is conducted from the first compressor stage 17 to the second compressor stage 18.
Der Verlauf der Isolierkammern ist aus Figur 2 zu entnehmen, wobei zu erkennen ist, dass mittels der Isolierkammern nicht unbedingt eine vollständige Abschottung zwi- schen heißen und kalten Luftströmen erreicht wird. Durch die teilweise Isolierung wird die direkte Wärmeübertragung durch die metallischen Zwischenwände aber zurmin- dest stark reduziert. Wie zu erkennen, sind die Isolierkammern 9.1 und 9.2 abgeschlossene Hohlräume, die im Wesentlichen durch Vertiefungen in der Ventilträgerplatte 5 und im Zylinderde- ckel 7 gebildet werden und durch das Zwischenelement 6 verschlossen sind. Die Iso- lierkammern 9.1 und 9.2 sind mit Umgebungsluft gefüllt, die bei der Montage einge- schlossen wurde The course of the isolation chambers can be seen in FIG. 2, it being clear that the isolation chambers do not necessarily mean that a hot and cold air flows is reached. Due to the partial insulation, the direct heat transfer through the metal partitions is at least greatly reduced. As can be seen, the insulating chambers 9.1 and 9.2 are closed cavities which are essentially formed by depressions in the valve carrier plate 5 and in the cylinder cover 7 and are closed by the intermediate element 6. The insulating chambers 9.1 and 9.2 are filled with ambient air that was enclosed during assembly
Bei zweistufigen Hubkolbenverdichtern 1 ist es wesentlich, dass die vorkomprimierte Luft aus der ersten Verdichterstufe 17 möglichst weit abgekühlt wird, bevor sie in die zweite Verdichterstufe 18 über den Einlassraum 14.2 eingesaugt wird. Um dies zu erreichen, wird der Luftstrom von dem Auslassraum 15.1 der ersten Verdichterstufe 17 durch einen Verbindungskanal 19 im Zylindergehäuse 3 geleitet. Die Wände desIn the case of two-stage reciprocating compressors 1, it is essential that the pre-compressed air from the first compressor stage 17 is cooled as far as possible before it is sucked into the second compressor stage 18 via the inlet space 14.2. In order to achieve this, the air flow is led from the outlet space 15.1 of the first compressor stage 17 through a connecting channel 19 in the cylinder housing 3. The walls of the
Verbindungskanals 19 stehen einmal mit dem Kühlkanal 8.2 in Kontakt und weisen zudem eine große Kühlfläche gegenüber der Umgebungsluft auf. Connection channel 19 are once in contact with the cooling channel 8.2 and also have a large cooling surface with respect to the ambient air.
Figur 3 zeigt einen alternativen Aufbau für einen Zylinderkopf 1. Dieser unterscheidet sich im Wesentlichen durch die Anordnung der Kanäle und Kammern. So sind die Isolierkammern 9.3 hier zwischen dem Verbindungskanal 19 und dem Druckluftkanal 10 angeordnet. Die Isolierkammer 9.3 ist in die Ventilträgerplatte 5 eingearbeitet und wird durch das Dichtelement 4 verschlossen. Figure 3 shows an alternative structure for a cylinder head 1. This differs essentially in the arrangement of the channels and chambers. The insulating chambers 9.3 are arranged here between the connecting duct 19 and the compressed air duct 10. The insulating chamber 9.3 is incorporated in the valve support plate 5 and is closed by the sealing element 4.
Bezugszeichenliste LIST OF REFERENCE NUMBERS
1 Kompressor 1 compressor
2 Zylinderkopf  2 cylinder head
3 Zylindergehäuse 3 cylinder housings
4 Dichtungselement  4 sealing element
5 Ventilträgerplatte  5 valve support plate
6 Zwischenelement  6 intermediate element
7 Zylinderdeckel 7 cylinder covers
8 Kühlmittelkanal 8 coolant channel
9.1 ... 9.3 Isolierkammer  9.1 ... 9.3 Isolation chamber
10 Druckluftkanal 10 compressed air duct
1 1 Ansaugluftkanal zweite Stufe 12 Auslassventil 1 1 intake air duct second stage 12 exhaust valve
13 Einlassventil 13 inlet valve
14.1 , 14.2 Einlassraum  14.1, 14.2 inlet space
15.1 , 15.2 Auslassraum  15.1, 15.2 outlet space
16 Hubkolbenraum 16 piston chamber
17 erste Verdichterstufe  17 first compressor stage
18 zweite Verdichterstufe18 second compressor stage
19 Verbindungskanal 19 connecting channel
20 Auslassöffnung  20 outlet opening

Claims

Patentansprüche claims
1. Zylinderkopf (2) für einen Hubkolbenverdichter zum Verdichten eines kompressiblen Arbeitsmediums, umfassend einen Zylinderdeckel (7) und eine Ventilträgerplatte (5), wobei 1. Cylinder head (2) for a reciprocating compressor for compressing a compressible working medium, comprising a cylinder cover (7) and a valve carrier plate (5), wherein
- zwischen Zylinderdeckel (7) und Ventilträgerplatte (5) ein Zwischen- element (6) angeordnet ist;  - An intermediate element (6) is arranged between the cylinder cover (7) and the valve support plate (5);
- zwischen Ventilträgerplatte (5) und Zwischenelement (6) sowie zwi- schen Zylinderdeckel (7) und Zwischenelement (6) mehrere Kanalab- schnitte (8.1 ,10) und/oder Kammern (14.1 , 14.2, 15.1 , 15.2) gebildet werden, durch die unterschiedliche Medienströme leitbar sind,  - Several channel sections (8.1, 10) and / or chambers (14.1, 14.2, 15.1, 15.2) are formed between the valve support plate (5) and the intermediate element (6) and between the cylinder cover (7) and the intermediate element (6) different media flows can be conducted,
dadurch gekennzeichnet,  characterized,
dass im Zylinderkopf (2) eine Isolierkammer (9.1 ... 9.3) vorgesehen ist, die die Kanalabschnitte (8.1 , 10) und/oder Kammern (14.1 , 14.2, 15.1 , 15.2) zumindest bereichsweise thermisch voneinander isolieren.  that an insulating chamber (9.1 ... 9.3) is provided in the cylinder head (2) which thermally insulates the channel sections (8.1, 10) and / or chambers (14.1, 14.2, 15.1, 15.2) from one another at least in regions.
2. Zylinderkopf nach Anspruch 1 , 2. Cylinder head according to claim 1,
dadurch gekennzeichnet,  characterized,
dass ein Einlassraum (14.1 , 14.2) und ein Auslassraum (15.1 , 15.2) vorgesehen sind, zwischen denen die Isolierkammer (9.1 ) angeordnet ist.  that an inlet space (14.1, 14.2) and an outlet space (15.1, 15.2) are provided, between which the insulating chamber (9.1) is arranged.
3. Zylinderkopf nach Anspruch 1 , 3. Cylinder head according to claim 1,
dadurch gekennzeichnet,  characterized,
dass ein Auslasskanal 10 vorgesehen ist, wobei die Isolierkammer (9.1 ) den Einlassraum (14.1 , 14.2) und den Auslassraum (15.1 , 15.2) zumindest bereichsweise gegenüber dem Auslasskanal (10) thermisch isoliert.  that an outlet duct 10 is provided, the insulating chamber (9.1) thermally insulating the inlet space (14.1, 14.2) and the outlet space (15.1, 15.2) at least in regions from the outlet duct (10).
4. Zylinderkopf nach Anspruch 1 , 4. Cylinder head according to claim 1,
dadurch gekennzeichnet,  characterized,
dass die Isolierkammern (9.1 ... 9.3) im Wesentlichen durch Vertiefun- gen in der Ventilträgerplatte (5) und/oder im Zylinderdeckel (7) gebildet werden. that the isolation chambers (9.1 ... 9.3) are essentially gene in the valve support plate (5) and / or in the cylinder cover (7) are formed.
5. Zylinderkopf nach Anspruch 1 , 5. Cylinder head according to claim 1,
dadurch gekennzeichnet,  characterized,
dass die Isolierkammer (8.1 , 8.2, 8.3) eingeschlossene Umgebungsluft enthält.  that the isolation chamber (8.1, 8.2, 8.3) contains enclosed ambient air.
6. Zylinderkopf nach Anspruch 1 , 6. Cylinder head according to claim 1,
dadurch gekennzeichnet,  characterized,
dass die Isolierkammer (8.1 , 8.2, 8.3) mit einem Isoliermaterial gefüllt ist oder Vakuum enthält.  that the insulation chamber (8.1, 8.2, 8.3) is filled with an insulation material or contains a vacuum.
7. Zylinderkopf nach Anspruch 1 , 7. cylinder head according to claim 1,
dadurch gekennzeichnet,  characterized,
dass das Zwischenelement (6) Verbindungsöffnungen aufweist, die Kanalabschnitte (8.1 , 10) und/oder Kammern (14.1 , 14.2, 15.1 , 15.2) in der Ventilträgerplatte (5) und im Zylinderdeckel (7) miteinander verbin- den.  that the intermediate element (6) has connection openings that connect the channel sections (8.1, 10) and / or chambers (14.1, 14.2, 15.1, 15.2) in the valve carrier plate (5) and in the cylinder cover (7).
8. Zylinderkopf nach Anspruch 1 , 8. Cylinder head according to claim 1,
dadurch gekennzeichnet,  characterized,
dass das Zwischenelement (6) ein Dichtelement ist.  that the intermediate element (6) is a sealing element.
9. Zylinderkopf nach einem der Ansprüche 1 bis 8, 9. Cylinder head according to one of claims 1 to 8,
dadurch gekennzeichnet,  characterized,
dass der Zylinderkopf (2) ein Zylinderkopf (1 ) für einen mehrstufigen Hubkolbenverdichter ist, wobei zwischen den Auslasskammern (15.1 , 15.2) der Verdichterstufen (17, 18) die Einlasskammern (14.1 , 14.2) der Verdichterstufen (17, 18) angeordnet sind. that the cylinder head (2) is a cylinder head (1) for a multi-stage reciprocating compressor, the inlet chambers (14.1, 14.2) of the compressor stages (17, 18) being arranged between the outlet chambers (15.1, 15.2) of the compressor stages (17, 18).
10. Zylinderkopf nach einem der Ansprüche I bis 8, 10. Cylinder head according to one of claims I to 8,
dadurch gekennzeichnet,  characterized,
dass zwischen der Auslasskammer (15.2) und der Einlasskammer (14.2) der zweiten Verdichterstufe (18) und/oder zwischen der Ein- lasskammer (14.2) der zweiten Verdichterstufe (18) und der Einlass- kammer (14.1 ) der ersten Verdichterstufe (17) eine Isolierkammer (9.1 ) angeordnet ist.  that between the outlet chamber (15.2) and the inlet chamber (14.2) of the second compressor stage (18) and / or between the inlet chamber (14.2) of the second compressor stage (18) and the inlet chamber (14.1) of the first compressor stage (17) an isolation chamber (9.1) is arranged.
EP19744669.3A 2018-08-17 2019-07-23 Cylinder head for compressor Active EP3837440B1 (en)

Applications Claiming Priority (2)

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DE102018120027.7A DE102018120027A1 (en) 2018-08-17 2018-08-17 Cylinder head for a compressor
PCT/EP2019/069726 WO2020035265A1 (en) 2018-08-17 2019-07-23 Cylinder head for a compressor

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WO (1) WO2020035265A1 (en)

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CN110043450A (en) * 2019-05-20 2019-07-23 浙江万安其弗汽车零部件有限公司 Air compression plant and air compressor
CN115263723B (en) * 2022-08-25 2024-01-30 瑞立集团瑞安汽车零部件有限公司 Cylinder body, air compressor and commercial vehicle

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US2315011A (en) * 1940-11-12 1943-03-30 Quiroz Francisco Angel Internal combustion engine
US2443502A (en) * 1941-02-08 1948-06-15 Constantine N Guerasimoff Engine construction
JPH11218079A (en) * 1998-01-30 1999-08-10 Sanwa Seiki Co Ltd Air compressor
JP4049344B2 (en) * 1998-12-17 2008-02-20 ヤマハマリン株式会社 In-cylinder fuel injection engine
CN102536746A (en) * 2010-12-22 2012-07-04 苏州鸿本机械制造有限公司 Cylinder cover for air-cooled reciprocating piston air compressor
DE102013019812A1 (en) * 2013-11-26 2015-05-28 Wabco Gmbh Cylinder head for an air compressor
US10125756B2 (en) * 2014-12-22 2018-11-13 Bendix Commercial Vehicle Systems Llc System and method for reducing at least one of airflow turbulence and pressure fluctuation proximate a valve
DE102015225069B4 (en) * 2015-12-14 2017-11-30 Voith Patent Gmbh Cylinder head for multi-stage reciprocating compressor
US10174755B2 (en) * 2016-05-06 2019-01-08 Bendix Commercial Vehicle Systems Llc Compressor head assembly with discharge valve

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CN112567134A (en) 2021-03-26
US20210180582A1 (en) 2021-06-17
WO2020035265A1 (en) 2020-02-20
DE102018120027A1 (en) 2020-02-20
CN112567134B (en) 2023-03-03

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