EP0859151A2 - Compressors, especially for compressed-air provision in a motor vehicle - Google Patents
Compressors, especially for compressed-air provision in a motor vehicle Download PDFInfo
- Publication number
- EP0859151A2 EP0859151A2 EP98101952A EP98101952A EP0859151A2 EP 0859151 A2 EP0859151 A2 EP 0859151A2 EP 98101952 A EP98101952 A EP 98101952A EP 98101952 A EP98101952 A EP 98101952A EP 0859151 A2 EP0859151 A2 EP 0859151A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- compressor
- oil
- drive shaft
- engine
- cylinder head
- 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
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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
- F04B39/0005—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 adaptations of pistons
- F04B39/0016—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 adaptations of pistons with valve arranged in the piston
-
- 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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/0873—Component parts, e.g. sealings; Manufacturing or assembly thereof
- F04B27/0895—Component parts, e.g. sealings; Manufacturing or assembly thereof driving means
-
- 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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B27/1009—Distribution members
-
- 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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B27/1036—Component parts, details, e.g. sealings, lubrication
-
- 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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B27/1036—Component parts, details, e.g. sealings, lubrication
- F04B27/1054—Actuating elements
-
- 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
- F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
- F04B39/041—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod
-
- 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
- F04B39/064—Cooling by a cooling jacket in the pump casing
Definitions
- the invention relates to a compressor according to the preamble of the claim 1.
- compressors are regulated by pressure regulating valves (governor).
- pressure regulating valves here will the air flow delivered by the continuously running compressor in the idling phase throttled by a device on the suction valve of the compressor or by venting devices discharged into the atmosphere at the pressure control valves.
- This idle phase energy consumed by the compressor is pure energy loss.
- the share of this energy loss in the total energy consumption of the compressor is not inconsiderable, because in vehicles the switch-on time is ED, among them the time during which the compressor pumps compressed air into the system is rarely understood over 30% of the entire term. Stopping the compressor, e.g. B. via a shut-off clutch, is not practiced because the torque curve, especially the torque peaks, very large and expensive couplings required do.
- the object of the invention is, in particular for to represent the compressed air generation in motor vehicles, which compressor is not subject to the aforementioned disadvantages and problems, and which at compact design, but can be manufactured at a comparable price, like compressors today's construction.
- the compressor is characterized by a largely oil-free run, since by the stripping and sealing elements acting on the piston rods are very effective Sealing between engine and compressor part, d. H. compared to that the back of the piston located suction chamber is formed.
- the axial piston compressor shown in Figures 1 and 2 in the form of a swash plate compressor has an oil-lubricated engine 1, which essentially from a swash plate 5 and hemispheres mounted on a drive shaft 3 7 in 9 pans.
- the engine 1 of known mode of operation is used to make 3 straight-line movements when the drive shaft rotates to reach the piston rods 13 carrying the pistons 11.
- Warehousing the piston rods 13 take place in bearing bores 15 on the oil-lubricated engine side.
- the bearing bores 15 extend on a pitch circle at an angular distance to each other parallel to the longitudinal axis of the compressor by a middle Housing section 17, on which the piston facing oil-stripping sealing elements 19 are provided.
- the ones on the back of the pistons Chambers 21 are through an annular space 22 ( Figure 1) to a common suction space connected, in which a suction port opens.
- the pistons 11 are equipped with piston rings 23 suitable for oil-free dry running and move in the cylinder bores preferably without contact.
- This suction valve provides the connection between the piston during the suction stroke Suction chamber and pressure chamber 24 forth, the valve in accordance with FIG left-hand movement of the individual piston opens such that air through the Suction port and the interconnected chambers 21 in the pressure chamber 24 arrives and with subsequent movement directed to the right according to FIG closing suction valve 25 via the pressure valve shown in the sectional view 29 and an annular pressure chamber 30 are pushed into the pressure connection 31 becomes.
- the cylinder head 33 of the pressure valve 29 Cool the compressor in an optimal way, since more cooling surface is available.
- the cooling oil and Lubricating oil circuit identical, the pressure oil via the inlet 35 from the Lubricant circuit of the vehicle engine is fed to the compressor.
- the oil initially flows for cooling via the annular space 37 and the connection 39 through the cylinder head into the central oil chamber 41; this is through the front End of the drive shaft 3 of the compressor limited. Extends through the drive shaft centrally an oil hole 43, from which at different positions Branch off branch bores 45.
- Branch bore is lubricated as shown, the right end of the drive shaft 3; Oil is drilled into the interior of the engine via further branch holes initiated. Inside the engine, the oil is used to lubricate all those with friction Divide and leave the compressor through an outlet 47, which communicates with the interior of the engine. In the area of lubrication A seal 48 is provided on the right-hand end of the drive shaft 3, which prevents oil from entering the suction chambers. Passes through the outlet 47 the oil back into the lubricant circuit of the vehicle engine.
- cooling oil 41 is along the outer circumference of the housing or channels placed in the housing wall passed into the engine 1. In this case, the oil chamber 41 is opposite closed the facing end of the drive shaft 3.
- the very favorable torque curve of the compressor described above makes use of a compact, inexpensive shutdown clutch possible. It is possible to use the shut-off clutch, here as an electromagnetic clutch 49 shown to accommodate space-saving in the interior of the compressor.
- the Swash plate 5 is rotatably mounted on the drive shaft 3 and is at Excitation of the magnet from a magnetic disk fixedly attached to the drive shaft 3 51 driven.
- the magnetic disk 51 takes frictional engagement one with the swash plate 5 e.g. Drive plate connected by screws 52 with.
- the magnet is de-energized, the engagement between the drive plate is released and magnetic disc, so that the drive shaft 3 runs empty and the compressor pistons are switched off.
- the control with a pneumatically switched clutch is of a similar design possible.
- the drive shaft and the swash plate are separated, it is possible to produce the swash plate from an inexpensive and well lubricated material, such as. B. Al cast.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
Abstract
Bei einem Axialkolbenkompressor, insbesondere Taumelscheibenkompressor für die Drucklufterzeugung in Kraftfahrzeugen, sind ein ölgeschmiertes Triebwerk (1) und ein ölfrei laufendes Luft-Verdichterteil vorgesehen. Die unter Führung einer Taumelscheibe (5) in Zylinderbohrungen laufenden Kolben (11) weisen an ihrer Rückseite jeweils den durch Kammern (21) gebildeten Saugraum und an ihrer Vorderseite den Druckraum (23) auf. Saugventile (25) sind an den Kolben angeordnet, während Druckventile (29) im durch Kühlöl oder Wasser gekühlten Zylinderkopf (33) vorgesehen sind. Die Abdichtung zwischen ölgeschmiertem Triebwerk (1) und ölfrei laufendem Verdichterteil erfolgt mittels am Außenumfang der Kolbenstangen (13) der Kolben wirkender Abdichtelemente (19). Bei Verwendung von Kühlöl zur Kühlung des Zylinderkopfs (33) dient dieses gleichzeitig als Schmieröl für das Triebwerk (1). <IMAGE>In an axial piston compressor, in particular a swash plate compressor for the generation of compressed air in motor vehicles, an oil-lubricated engine (1) and an oil-free air compressor part are provided. The pistons (11) running in cylinder bores under the guidance of a swash plate (5) each have on their rear side the suction chamber formed by chambers (21) and on their front side the pressure chamber (23). Suction valves (25) are arranged on the pistons, while pressure valves (29) are provided in the cylinder head (33) cooled by cooling oil or water. The seal between the oil-lubricated engine (1) and the oil-free compressor part is carried out by means of sealing elements (19) acting on the outer circumference of the piston rods (13) of the pistons. If cooling oil is used to cool the cylinder head (33), this also serves as lubricating oil for the engine (1). <IMAGE>
Description
Die Erfindung betrifft einen Kompressor nach dem Gattungsbegriff des Patentanspruchs 1.The invention relates to a compressor according to the preamble of the claim 1.
Für die Drucklufterzeugung in Kraftfahrzeugen werden heute weltweit Einzylinder- oder Zweizylinder-Kompressoren verwendet. Die Kompressoren sind an den Motoren der Fahrzeuge angebaut und werden über Zahnräder, vereinzelt auch über Keilriemen, vom Motor direkt angetrieben. Die Schmierung der Kompressoren erfolgt aus dem Ölkreislauf der Motoren. Hierbei gelangt zwangsläufig auch Öl über die Kompressorkolben in die Druckluft. Je nach Zustand der Kompressoren können dies erhebliche Ölmengen sein, die größtenteils an den Lüftungsöffnungen der Druckluftanlagen in die Umwelt, meist auf die Straße, ausgegeben werden und damit als Umweltbelastung anzusehen sind. Bei den heute üblichen hohen Betriebsdrücken und der damit verbundenen hohen thermischen Beanspruchung verkokt außerdem ein Teil dieses Öls im Kompressor; die Ölkohle lagert sich im Zylinderkopf des Kompressors und in den nachgeschalteten Geräten ab und beeinflußt dort sehr nachteilig deren Standzeit.For the generation of compressed air in motor vehicles, single-cylinder or Two-cylinder compressors are used. The compressors are on the motors of the vehicles and are attached via gears, occasionally also via V-belts, driven directly by the engine. The compressors are lubricated from the oil circuit of the engines. This inevitably also gets oil over the Compressor pistons in the compressed air. Depending on the condition of the compressors, this can be significant amounts of oil, mostly at the ventilation openings of the compressed air systems into the environment, mostly on the street, and thus as Environmental pollution. At today's high operating pressures and the associated high thermal stress also cokes part of this oil in the compressor; the oil carbon is stored in the cylinder head of the compressor and in the downstream devices and influences there very disadvantageously their service life.
Geregelt sind diese Kompressoren durch Druckregelventile (Governor). Hierbei wird der vom ständig mitlaufenden Kompressor geförderte Luftstrom in der Leerlaufphase durch eine Einrichtung am Saugventil des Kompressors gedrosselt oder durch Entlüftungseinrichtungen an den Druckregelventilen in die Atmosphäre abgeleitet. Die in dieser Leerlaufphase vom Kompressor aufgenommene Energie ist reine Verlustenergie. Der Anteil dieser Verlustenergie am Gesamtenergieverbrauch des Kompressors ist nicht unbeträchtlich, denn in Fahrzeugen ist die Einschaltzeit ED, darunter versteht man die Zeit, in der der Kompressor Druckluft in die Anlage pumpt, selten über 30 % der gesamten Laufzeit anzusetzen. Ein Stillsetzen des Kompressors, z. B. über eine Abschaltkupplung, wird nicht praktiziert, weil der Drehmomentenverlauf, besonders die Drehmomentenspitzen, sehr große und kostspielige Kupplungen erforderlich machen. These compressors are regulated by pressure regulating valves (governor). Here will the air flow delivered by the continuously running compressor in the idling phase throttled by a device on the suction valve of the compressor or by venting devices discharged into the atmosphere at the pressure control valves. In the This idle phase energy consumed by the compressor is pure energy loss. The share of this energy loss in the total energy consumption of the compressor is not inconsiderable, because in vehicles the switch-on time is ED, among them the time during which the compressor pumps compressed air into the system is rarely understood over 30% of the entire term. Stopping the compressor, e.g. B. via a shut-off clutch, is not practiced because the torque curve, especially the torque peaks, very large and expensive couplings required do.
Ein weiterer Nachteil sind die negativen Drehmomentenanteile nach OT, als dem oberen Totpunkt des Kolbens im Kompressor. Diese führen bei Zahnradantrieb zu einem Flankenwechsel an den Zahnrädern und dadurch zu einer erheblichen Geräuschbelästigung. Bei Fahrzeugen, wo dies nicht gewünscht ist, wird durch kostspielige Maßnahmen an den Zahnrädern (z. B. Flankenspielminimierung, tangential vorgespannte Zahnräder), das genannte Problem mehr oder weniger befriedigend gelöst.Another disadvantage is the negative torque components after TDC than that top dead center of the piston in the compressor. These lead to gear drive a change of flanks on the gears and thereby considerable noise pollution. In vehicles where this is not desired, is by expensive Measures on the gear wheels (e.g. backlash minimization, tangential preloaded gears), the problem mentioned more or less satisfactory solved.
Davon ausgehend besteht die Aufgabe der Erfindung darin, einen insbesondere für die Drucklufterzeugung in Kraftfahrzeugen dienenden Kompressor darzustellen, welcher den vorgenannten Nachteilen und Problemen nicht unterliegt, und welcher bei kompakter Bauweise dennoch vergleichbar preisgünstig zu fertigen ist wie Kompressoren heutiger Bauweise.Proceeding from this, the object of the invention is, in particular for to represent the compressed air generation in motor vehicles, which compressor is not subject to the aforementioned disadvantages and problems, and which at compact design, but can be manufactured at a comparable price, like compressors today's construction.
Zur Lösung dieser Aufgabe dienen die Merkmale nach dem Kennzeichnungsteil des Patentanspruchs 1.To solve this problem, the features according to the labeling part of the Claim 1.
Der Kompressor kennzeichnet sich durch einen weitgehend ölfreien Lauf, da mittels der an den Kolbenstangen wirkenden Abstreif- und Dichtelementen eine sehr wirksame Abdichtung zwischen Triebwerk und Verdichterteil, d. h. gegenüber dem an der Rückseite der Kolben befindlichen Saugraum gebildet ist.The compressor is characterized by a largely oil-free run, since by the stripping and sealing elements acting on the piston rods are very effective Sealing between engine and compressor part, d. H. compared to that the back of the piston located suction chamber is formed.
Dadurch ist es möglich, die Saugventile auf den Kolben anzubringen, d. h. der Kompressor saugt durch die Kolben an. Dies hat wiederum den Vorteil, daß im Zylinderkopf mehr Raum für die Kühlung zur Verfügung steht, sodaß es in vielen Fällen möglich ist, den Kompressor mit Kühlöl aus dem Schmiermittelkreislauf des Fahrzeugs zu kühlen. Dies schließt aber nicht aus, daß bei höherer thermischer Beanspruchung Wasserkühlung für den Kompressor angewendet wird.This makes it possible to attach the suction valves to the piston, i.e. H. the compressor sucks in through the pistons. This in turn has the advantage that in the cylinder head more space is available for cooling, so in many cases is possible, the compressor with cooling oil from the lubricant circuit of the vehicle to cool. However, this does not exclude that with higher thermal stress Water cooling is applied to the compressor.
Vorteilhafte Ausgestaltungen und Weiterbildungen sind in den weiteren Patentansprüchen aufgeführt. Advantageous refinements and developments are in the further claims listed.
Die Erfindung ist nachfolgend anhand eines Ausführungsbeispiels unter Bezugnahme auf die beigefügte Zeichnung erläutert.
- Figur 1
- ist eine Längsschnittansicht des Kompressors gemäß der Erfindung, wobei einer der Kolben in versetzter Betriebsstellung gezeigt ist (Linie I-I in Fig. 2); und
- Figur 2
- ist eine Schnitt- und Draufsicht von Linie II - II in Figur 1.
- Figure 1
- is a longitudinal sectional view of the compressor according to the invention, with one of the pistons shown in the offset operating position (line II in Fig. 2); and
- Figure 2
- is a sectional and plan view of line II - II in Figure 1.
Der in Figur 1 und 2 dargestellte Axialkolbenkompressor in Form eines Taumelscheibenkompressors
weist ein ölgeschmiertes Triebwerk 1 auf, welches im wesentlichen
aus einer auf einer Antriebswelle 3 gelagerten Taumelscheibe 5 und Halbkugeln
7 in Lagerpfannen 9 besteht. Das Triebwerk 1 von an sich bekannter Wirkungsweise
wird verwendet, um bei Drehung der Antriebswelle 3 geradlinige Bewegungen
der die Kolben 11 tragenden Kolbenstangen 13 zu erreichen. Die Lagerung
der Kolbenstangen 13 erfolgt in Lagerbohrungen 15 auf der ölgeschmierten Triebwerksseite.
Die Lagerbohrungen 15 erstrecken sich auf einem Teilkreis unter Winkelabstand
zueinander parallel zur Längsachse des Kompressors durch einen mittleren
Gehäuseabschnitt 17, an welchem den Kolben zugewandt ölabstreifende Abdichtelemente
19 vorgesehen sind. Die an der Rückseite der Kolben befindlichen
Kammern 21 sind durch einen Ringraum 22 (Figur 1) zu einem gemeinsamen Saugraum
verbunden, in welchen ein Sauganschluß mündet.The axial piston compressor shown in Figures 1 and 2 in the form of a swash plate compressor
has an oil-lubricated engine 1, which essentially
from a
Die Kolben 11 sind mit für den ölfreien Trockenlauf geeigneten Kolbenringen 23 bestückt
und bewegen sich in den Zylinderbohrungen vorzugsweise berührungsfrei.The
Jede der an der Rückseite der Kolben befindlichen Kammern 21 - als Saugraum wirkend
- ist in vorstehend genannter Weise durch je einen Kolben 11 vom Druckraum
24 des Kompressors getrennt, wobei jeder der Kolben 11 ein Saugventil 25 trägt.
Dieses Saugventil stellt während des Saughubes des Kolbens die Verbindung zwischen
Saugraum und Druckraum 24 her, wobei sich das Ventil bei gemäß Figur 1
links gerichteter Bewegung des einzelnen Kolbens öffnet, derart, daß Luft durch den
Sauganschluß und die miteinander verbundenen Kammern 21 in den Druckraum 24
gelangt und bei nachfolgender, gemäß Figur 1 nach rechts gerichteter Bewegung bei
sich schließendem Saugventil 25 über das in der Schnittansicht dargestellte Druckventil
29 und eine ringförmige Druckkammer 30 in den Druckanschluß 31 ausgeschoben
wird.Each of the
Durch die vorstehend erläuterte Zweiteilung des Arbeitsvolumens in Saugraum und
Druckraum ist es möglich, den die Druckventile 29 tragenden Zylinderkopf 33 des
Kompressors in optimaler Weise zu kühlen, da mehr Kühlfläche zur Verfügung steht.
Bei dem in Figur 1 und 2 dargestellten Ausführungsbeispiel sind der Kühlöl- und
Schmierölkreislauf identisch, wobei das Drucköl über den Einlaß 35 aus dem
Schmiermittelkreislauf des Fahrzeugmotors dem Kompressor zugeführt wird. Hierbei
strömt das Öl zunächst zur Kühlung über den Ringraum 37 und die Verbindung 39
durch den Zylinderkopf in die zentrale Ölkammer 41; diese ist durch das stirnseitige
Ende der Antriebswelle 3 des Kompressors begrenzt. Durch die Antriebswelle erstreckt
sich zentral eine Ölbohrung 43, von welcher an verschiedenen Positionen
Zweigbohrungen 45 abzweigen. Mit Hilfe der bezüglich der Ölkammer 41 ersten
Zweigbohrung wird gemäß Darstellung das rechte Ende der Antriebwelle 3 geschmiert;
über weitere Zweigbohrungen wird Öl in den Innenbereich des Triebwerks
eingeleitet. Im Inneren des Triebwerks dient das Öl zum Schmieren sämtlicher reibungsbehafteter
Teile und verläßt den Kompressor durch einen Auslaß 47, welcher
mit dem Inneren des Triebwerks in Verbindung steht. Im Bereich der Schmierung
des rechtseitigen Endes der Antriebswelle 3 ist eine Dichtung 48 vorgesehen, welche
das Eindringen von Öl in die Saugräume verhindert. Über den Auslaß 47 gelangt
das Öl wieder in den Schmiermittelkreislauf des Fahrzeugmotors.Due to the division of the working volume into the suction space and
Pressure chamber, it is possible for the
Der Transport des Kühlöls ist nicht auf die Verbindung aus Ölbohrung 43 und Zweigbohrungen
45 beschränkt, d. h. da einer weiteren Variante wird das Kühlöl 41 entlang
dem Außenumfang des Gehäuses bzw. in der Gehäusewandung plazierten Kanälen
in das Triebwerk 1 geleitet. In diesem Falle ist die Ölkammer 41 gegenüber
dem zugewandten Ende der Antriebswelle 3 verschlossen.The transport of the cooling oil is not on the connection of the
Im Falle der Verwendung von Wasser aus dem Kühlkreislauf des Fahrzeugmotors
für die Kühlung des Kompressors ist der vorgenannte Schmiermittel- und Kühlmittelkreislauf
getrennt und die in Figur 1 dargestellte Verbindung 39 entfällt. Durch den
Einlaß 35 wird nur Kühlwasser eingeleitet. In dem anhand von Figur 1 und 2 dargestellten
Ausführungsbeispiel sind der Kühlwasserauslaß und der an anderer Stelle
des Kompressors befindliche Schmiermitteleinlaß nicht gezeigt.In the case of using water from the cooling circuit of the vehicle engine
for the cooling of the compressor is the aforementioned lubricant and coolant circuit
separated and the
Der sehr günstige Drehmomentverlauf des vorstehend beschriebenen Kompressors
macht die Verwendung von einer kompakten, kostengünstigen Abschaltkupplung
möglich. Es ist möglich, die Abschaltkupplung, hier als elektromagnetische Kupplung
49 dargestellt, platzsparend im Innenraum des Kompressors unterzubringen. Die
Taumelscheibe 5 ist hierbei drehbar auf der Antriebswelle 3 gelagert und wird bei
Anregung des Magneten von einer drehfest auf der Antriebswelle 3 befestigten Magnetscheibe
51 angetrieben. Die Magnetscheibe 51 nimmt hierbei unter Reibschluß
eine mit der Taumelscheibe 5 z.B. durch Schrauben verbundene Mitnehmerscheibe
52 mit. Bei Entregung des Magneten löst sich der Eingriff zwischen Mitnehmerscheibe
und Magnetscheibe, so daß die Antriebswelle 3 leer durchläuft und die Kompressorkolben
abgeschaltet sind.The very favorable torque curve of the compressor described above
makes use of a compact, inexpensive shutdown clutch
possible. It is possible to use the shut-off clutch, here as an
In ähnlicher Bauweise ist die Regelung mit einer pneumatisch geschalteten Kupplung möglich.The control with a pneumatically switched clutch is of a similar design possible.
Mit der vorstehend erläuterten Art der Abschaltregelung ist es möglich, im Durchtrieb
durch den Kompressor andere Geräte, wie z. B. eine Lenkhilfepumpe anzutreiben,
auch wenn der Kompressor ausgekuppelt ist. Die mögliche Regelung des Kompressors
mit einer Abschaltkupplung hat neben der optimalen Energieeinsparung den
Vorteil, die Standzeit der ölfrei laufenden Kolbenringe 23 als auch die Standzeit der
Abdichtelemente 19 auf den Kolbenstangen 13 so zu erhöhen, daß unter der Berücksichtigung
der eingangs erwähnten Einschaltzeit ED von maximal 30 % mit diesen
Bauteilen eine insgesamt ausreichende Standzeit erreicht wird.With the type of shutdown control explained above, it is possible in the through drive
through the compressor other devices, such as. B. to drive a power steering pump,
even when the compressor is disengaged. The possible regulation of the compressor
with a shut-off clutch has besides the optimal energy saving
Advantage, the service life of the oil-
Weil im erfindungsgemäßen Kompressor die Antriebswelle und die Taumelscheibe getrennt sind, ist es möglich, die Taumelscheibe aus einem kostengünstig herstellbaren und gut gleitfähigen Werkstoff, wie z. B. Al-Guß herzustellen. Because in the compressor according to the invention the drive shaft and the swash plate are separated, it is possible to produce the swash plate from an inexpensive and well lubricated material, such as. B. Al cast.
- 11
- = Triebwerk= Engine
- 33rd
- = Antriebswelle= Drive shaft
- 55
- = Taumelscheibe= Swashplate
- 77
- = Halbkugel= Hemisphere
- 99
- = Lagerpfanne= Storage pan
- 1111
- = Kolben= Piston
- 1313
- = Kolbenstange= Piston rod
- 1515
- = Lagerbohrung= Bearing bore
- 1717th
- = Gehäuseabschnitt= Housing section
- 1919th
- = Abdichtelement= Sealing element
- 2121
- = Kammer= Chamber
- 2222
- = Ringraum= Annulus
- 2323
- = Kolbenring= Piston ring
- 2424th
- = Druckraum= Pressure chamber
- 2525th
- = Saugventil= Suction valve
- 2929
- = Druckventil= Pressure valve
- 3030th
- = Druckkammer= Pressure chamber
- 3131
- = Druckanschluß= Pressure connection
- 3333
- = Zylinderkopf= Cylinder head
- 3535
- = Einlaß= Inlet
- 3737
- = Ringraum= Annulus
- 3939
- = Verbindung= Connection
- 4141
- = Ölkammer= Oil chamber
- 4343
- = Ölbohrung= Oil drilling
- 4545
- = Zweigbohrung= Branch hole
- 4747
- = Auslaß= Outlet
- 4848
- = Dichtung= Seal
- 4949
- = elektromagnetische Kupplung= electromagnetic clutch
- 5151
- = Magnetscheibe= Magnetic disc
- 5252
- = Mitnehmerscheibe= Drive plate
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19706066 | 1997-02-17 | ||
DE19706066A DE19706066A1 (en) | 1997-02-17 | 1997-02-17 | Compressor providing compressed air in vehicle |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0859151A2 true EP0859151A2 (en) | 1998-08-19 |
EP0859151A3 EP0859151A3 (en) | 1999-08-04 |
EP0859151B1 EP0859151B1 (en) | 2003-04-23 |
Family
ID=7820512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98101952A Expired - Lifetime EP0859151B1 (en) | 1997-02-17 | 1998-02-05 | Compressors, especially for compressed-air provision in a motor vehicle |
Country Status (3)
Country | Link |
---|---|
US (1) | US6247901B1 (en) |
EP (1) | EP0859151B1 (en) |
DE (2) | DE19706066A1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006066827A1 (en) * | 2004-12-20 | 2006-06-29 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Dry running swashplate compressor comprising a coated swashplate |
WO2006066830A1 (en) * | 2004-12-20 | 2006-06-29 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Dry-running compressor, particularly a swash-plate compressor, with a piston-rod mounting |
WO2006066828A1 (en) * | 2004-12-20 | 2006-06-29 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Piston-cylinder arrangement for a reciprocating compressor |
DE102004061235A1 (en) * | 2004-12-20 | 2006-07-06 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Dry-running swash plate compressor with a roller bearing swashplate |
DE102004061224B4 (en) * | 2004-12-20 | 2010-09-09 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Piston-cylinder arrangement, in particular for a swash plate compressor |
CN101922431A (en) * | 2009-06-15 | 2010-12-22 | 法雷奥热系统(日本)公司 | Piston compressor |
CN106489025A (en) * | 2014-07-08 | 2017-03-08 | Gea博客有限公司 | Compressor |
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DE19922511B4 (en) * | 1998-05-18 | 2004-07-08 | Lg Electronics Inc. | Oil circulation structure for a linear compressor |
DE19847159C2 (en) | 1998-10-13 | 2001-12-06 | Hans Unger | Compressor for generating oil-free compressed air |
TW506110B (en) * | 2000-05-04 | 2002-10-11 | United Microelectronics Corp | Electrostatic discharge protection circuit of silicon controller rectifying structure |
US6439857B1 (en) | 2001-03-12 | 2002-08-27 | Haldex Brake Corporation | Axial piston compressor |
KR20040022787A (en) * | 2002-09-07 | 2004-03-18 | 엘지전자 주식회사 | Apparatus for sucking gas in reciprocating compressor |
JP3855940B2 (en) * | 2003-02-04 | 2006-12-13 | 株式会社豊田自動織機 | Lubrication structure in a compressor |
US20040253122A1 (en) * | 2003-06-10 | 2004-12-16 | Gary Grochowski | Endbell cylinder frame and housing for oil-free |
US7178450B1 (en) * | 2005-10-06 | 2007-02-20 | Delphi Technologies, Inc. | Sealing system for a compressor |
DE102007037687B3 (en) * | 2007-08-09 | 2008-09-25 | Voith Patent Gmbh | Lenkhelfpumpenantrieb |
US9856866B2 (en) | 2011-01-28 | 2018-01-02 | Wabtec Holding Corp. | Oil-free air compressor for rail vehicles |
CN103953526A (en) * | 2014-05-05 | 2014-07-30 | 王敏 | Piston of air compressor |
DE102014209892A1 (en) * | 2014-05-23 | 2015-11-26 | Mahle International Gmbh | axial piston |
DE102020112664A1 (en) | 2020-05-11 | 2021-11-11 | OET GmbH | Reciprocating compressor for generating oil-free compressed air |
EP4112933A1 (en) * | 2021-06-30 | 2023-01-04 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | Integrated cooling of a compressor |
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DE1955447A1 (en) * | 1969-11-04 | 1971-05-13 | Vilter Manufacturing Corp | Piston gas compressor |
DE2436407A1 (en) * | 1974-07-29 | 1976-02-19 | Sundstrand Corp | Leakproof multicylinder swashplate-driven refrigerator-compressor unit - has axial cylinders in a ring round central shaft, which drives swash plate to oscillate pistons |
US4090430A (en) * | 1974-10-09 | 1978-05-23 | The Japan Steel Works | Swash plate type compressor |
US4495855A (en) * | 1983-05-31 | 1985-01-29 | Showa Precision Machinery Co., Ltd. | Reciprocating type oil-free gas compressor |
US5492459A (en) * | 1994-11-14 | 1996-02-20 | General Motors Corporation | Swash plate compressor having a conically recessed valved piston |
DE19501220A1 (en) * | 1995-01-17 | 1996-07-18 | Knorr Bremse Systeme | compressor |
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1997
- 1997-02-17 DE DE19706066A patent/DE19706066A1/en not_active Ceased
-
1998
- 1998-02-05 DE DE59808007T patent/DE59808007D1/en not_active Expired - Lifetime
- 1998-02-05 EP EP98101952A patent/EP0859151B1/en not_active Expired - Lifetime
- 1998-02-17 US US09/024,405 patent/US6247901B1/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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DE1955447A1 (en) * | 1969-11-04 | 1971-05-13 | Vilter Manufacturing Corp | Piston gas compressor |
DE2436407A1 (en) * | 1974-07-29 | 1976-02-19 | Sundstrand Corp | Leakproof multicylinder swashplate-driven refrigerator-compressor unit - has axial cylinders in a ring round central shaft, which drives swash plate to oscillate pistons |
US4090430A (en) * | 1974-10-09 | 1978-05-23 | The Japan Steel Works | Swash plate type compressor |
US4495855A (en) * | 1983-05-31 | 1985-01-29 | Showa Precision Machinery Co., Ltd. | Reciprocating type oil-free gas compressor |
US5492459A (en) * | 1994-11-14 | 1996-02-20 | General Motors Corporation | Swash plate compressor having a conically recessed valved piston |
DE19501220A1 (en) * | 1995-01-17 | 1996-07-18 | Knorr Bremse Systeme | compressor |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006066827A1 (en) * | 2004-12-20 | 2006-06-29 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Dry running swashplate compressor comprising a coated swashplate |
WO2006066830A1 (en) * | 2004-12-20 | 2006-06-29 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Dry-running compressor, particularly a swash-plate compressor, with a piston-rod mounting |
WO2006066828A1 (en) * | 2004-12-20 | 2006-06-29 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Piston-cylinder arrangement for a reciprocating compressor |
DE102004061235A1 (en) * | 2004-12-20 | 2006-07-06 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Dry-running swash plate compressor with a roller bearing swashplate |
DE102004061237A1 (en) * | 2004-12-20 | 2006-07-06 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Dry running swash plate compressor with a coated swash plate |
DE102004061233B3 (en) * | 2004-12-20 | 2006-07-13 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Dry running compressor, in particular swash plate compressor, with a piston rod storage |
DE102004061236B3 (en) * | 2004-12-20 | 2006-08-31 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Piston-cylinder arrangement for a reciprocating compressor |
DE102004061224B4 (en) * | 2004-12-20 | 2010-09-09 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Piston-cylinder arrangement, in particular for a swash plate compressor |
CN101922431A (en) * | 2009-06-15 | 2010-12-22 | 法雷奥热系统(日本)公司 | Piston compressor |
CN106489025A (en) * | 2014-07-08 | 2017-03-08 | Gea博客有限公司 | Compressor |
CN106489025B (en) * | 2014-07-08 | 2020-07-21 | Gea博客有限公司 | Compressor with a compressor housing having a plurality of compressor blades |
Also Published As
Publication number | Publication date |
---|---|
DE19706066A1 (en) | 1997-11-20 |
EP0859151A3 (en) | 1999-08-04 |
US6247901B1 (en) | 2001-06-19 |
EP0859151B1 (en) | 2003-04-23 |
DE59808007D1 (en) | 2003-05-28 |
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