EP2616685B1 - Delivery unit - Google Patents

Delivery unit Download PDF

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Publication number
EP2616685B1
EP2616685B1 EP11735661.8A EP11735661A EP2616685B1 EP 2616685 B1 EP2616685 B1 EP 2616685B1 EP 11735661 A EP11735661 A EP 11735661A EP 2616685 B1 EP2616685 B1 EP 2616685B1
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EP
European Patent Office
Prior art keywords
drive shaft
rotor
outflow
delivery unit
sliding plane
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.)
Active
Application number
EP11735661.8A
Other languages
German (de)
French (fr)
Other versions
EP2616685A2 (en
Inventor
Evgenij Skrynski
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2616685A2 publication Critical patent/EP2616685A2/en
Application granted granted Critical
Publication of EP2616685B1 publication Critical patent/EP2616685B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C15/062—Arrangements for supercharging the working space
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C3/00—Rotary-piston machines or pumps, with non-parallel axes of movement of co-operating members, e.g. of screw type
    • F04C3/06—Rotary-piston machines or pumps, with non-parallel axes of movement of co-operating members, e.g. of screw type the axes being arranged otherwise than at an angle of 90 degrees
    • F04C3/08—Rotary-piston machines or pumps, with non-parallel axes of movement of co-operating members, e.g. of screw type the axes being arranged otherwise than at an angle of 90 degrees of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/60—Shafts
    • F04C2240/603—Shafts with internal channels for fluid distribution, e.g. hollow shaft

Definitions

  • the invention relates to a delivery unit according to the preamble of the main claim.
  • the fluid is axially fed in and radially discharged.
  • the fluid is axially supplied and removed.
  • control valves in the form of check valves are required.
  • the check valves cause additional internal leakage, resulting in a reduction in the volumetric efficiency of the pump.
  • the valves are additional parts, which are associated with additional costs and increased risk of failure.
  • the delivery unit according to the invention with the characterizing features of the main claim has the advantage that can be dispensed with the control valves by the inlet is provided in a channel of the drive shaft and the drain at the shoulder of the drive shaft or vice versa.
  • Inlet and outlet are placed in the slip plane, with the inlet arranged in one section and the outlet in the other section of the inclined sliding plane.
  • a certain pressure level can be set.
  • a desired pressure-forces balance in the pump can be achieved.
  • Fig.1 shows in section an inventive delivery unit.
  • the delivery unit for example a pump or a compressor, comprises a drive shaft 2 driven by an actuator 1.
  • the drive shaft 2 drives a rotor 3, which is rotatably arranged in a stator housing 4.
  • the drive shaft 2 has a cooperating with the rotor 3 inclined sliding plane 5, which is formed on a shoulder 6 of the drive shaft 2 and the rotor 3 can tumble with its rotor axis 7 about the drive shaft 8 of the drive shaft 2.
  • the rotor 3 has on its end facing away from the drive shaft 2 a toothing 12 which meshes with a toothing 13 formed on the stator 4, wherein between the teeth 12 of the rotor 3 and the toothing 13 of the stator housing 4 working chambers 14 are formed, which via an inlet 15 can be filled and emptied via a drain 16.
  • the inlet 15 and the outlet 16 include control edges 24, 25 which determine the connection times from the work spaces 14. As a result, a delayed or premature emptying of the work spaces can be achieved.
  • the teeth 12 of the rotor 3 and the teeth 13 of the stator 4 have a different number of teeth.
  • the delivery unit works according to the displacement principle, so that fluid is sucked into the working chambers 14 in a self-priming manner and expelled from the latter at higher pressure.
  • the rotor 3 On its side facing the drive shaft 2, the rotor 3 has a sliding surface 19 cooperating with the inclined sliding plane 5 and the toothing 12 on its side facing the toothing 13 of the stator housing 4.
  • the toothing 12 of the rotor 3 and the toothing 13 of the stator housing 4 for example, each a cycloidal toothing, but can also be a different toothing.
  • the teeth 12,13 may alternatively be performed obliquely or spirally.
  • the inlet 15 is provided in a channel 20 of the drive shaft 2 and the outlet 16 is provided as a passage opening on the shoulder 6 of the drive shaft 2.
  • drain 16 may be provided in a channel 20 of the drive shaft 2 and the inlet 15 as a passage opening on the shoulder 6 of the drive shaft 2.
  • the channel 20 extends according to the embodiment at least partially parallel to the drive shaft 8, but can also be expressly designed differently.
  • the drain 16 is arcuate in shape and may include a plurality of drainage apertures arcuately arranged.
  • the channel 20 opens via an inlet 15 designed as a recess 22 in the inclined sliding plane 5.
  • the recess 22 is compared to the cross section of the channel 20, for example, expanded. According to the embodiment according to Fig.2 the recess 22 is semicircular.
  • the rotor 3 for filling the working spaces 14, the rotor 3 in the valleys of the toothing 12 through openings 23, which lead to the other side to the sliding surface 19. In this way, the filling of the working chambers 14 via the channel 20, the recess 22 and the through holes 23 and the emptying via the through holes 23 and the drain 16 can be carried out.
  • the inclined sliding plane 5 comprises a surface which is of circular design, wherein the inlet 15 is arranged in one section, that is to say one half of the circle, and the outlet 16 is arranged in the other section, that is to say the other circular half of the inclined sliding plane 5.
  • the inlet 15 and the drain 16 are in the inclined sliding plane 5 next to each other and spaced from each other. Between the inlet 15 and the outlet 16 at least one separating web 21 is provided, so that the inlet 15 and the outlet 16 are tightly separated from each other.
  • the delivery unit can be flowed through in both directions, i. that the inflow 15 can also be an outflow and the outflow 16 can also be an inflow.
  • Fig.2 shows a drive shaft of the delivery unit according to the invention Fig.1 ,

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Description

Stand der TechnikState of the art

Die Erfindung geht aus von einem Förderaggregat nach der Gattung des Hauptanspruchs.The invention relates to a delivery unit according to the preamble of the main claim.

Es ist schon ein Förderaggregat aus der DE 10 2008 013 991 A1 bekannt, mit einer Antriebswelle und einem von der Antriebswelle angetriebenen Rotor, der in einem Statorgehäuse drehbar angeordnet ist, wobei der Rotor an seiner der Antriebswelle abgewandten Stirnseite eine Verzahnung aufweist, die mit einer am Statorgehäuse ausgebildeten Verzahnung kämmt, wobei die Antriebswelle eine mit dem Rotor zusammenwirkende schiefe Gleitebene aufweist, die an einer Schulter der Antriebswelle ausgebildet ist und den Rotor mit seiner Rotorachse um die Antriebsachse der Antriebswelle taumeln lässt, wobei zwischen der Verzahnung des Rotors und der Verzahnung des Statorgehäuses Arbeitsräume gebildet sind, die über einen Zulauf befüllbar und über einen Ablauf entleerbar sind.It is already a delivery unit from the DE 10 2008 013 991 A1 known, with a drive shaft and a rotor driven by the drive shaft, which is rotatably arranged in a stator housing, wherein the rotor on its end facing away from the drive shaft has a toothing which meshes with a toothing formed on the stator housing, wherein the drive shaft with the rotor has cooperating inclined sliding plane, which is formed on a shoulder of the drive shaft and can tumble the rotor with its rotor axis about the drive axis of the drive shaft, wherein between the teeth of the rotor and the toothing of the stator housing working spaces are formed, which can be filled via an inlet and a Drain are emptied.

In dem ersten Ausführungsbeispiel wird das Fluid axial zu- und radial abgeführt. In dem zweiten Ausführungsbeispiel wird das Fluid axial zu- und abgeführt. Hierzu sind Steuerventile in Form von Rückschlagventilen erforderlich. Die Rückschlagventile verursachen zusätzliche innere Leckagen, was zur Folge eine Senkung des volummetrischen Wirkungsgrades der Pumpe hat. Die Ventile sind Zusatzteile, die mit Zusatzkosten und erhöhtem Ausfallrisiko verbunden sind.In the first embodiment, the fluid is axially fed in and radially discharged. In the second embodiment, the fluid is axially supplied and removed. For this purpose, control valves in the form of check valves are required. The check valves cause additional internal leakage, resulting in a reduction in the volumetric efficiency of the pump. The valves are additional parts, which are associated with additional costs and increased risk of failure.

Vorteile der ErfindungAdvantages of the invention

Das erfindungsgemäße Förderaggregat mit den kennzeichnenden Merkmalen des Hauptanspruchs hat demgegenüber den Vorteil, dass auf die Steuerventile verzichtet werden kann, indem der Zulauf in einem Kanal der Antriebswelle und der Ablauf an der Schulter der Antriebswelle vorgesehen ist oder umgekehrt.The delivery unit according to the invention with the characterizing features of the main claim has the advantage that can be dispensed with the control valves by the inlet is provided in a channel of the drive shaft and the drain at the shoulder of the drive shaft or vice versa.

Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen und Verbesserungen des im Hauptanspruch angegebenen Förderaggregates möglich.The measures listed in the dependent claims advantageous refinements and improvements of the main claim conveying unit are possible.

Zulauf und Ablauf sind in der Gleitebene platziert, wobei der Zulauf in dem einen Abschnitt und der Ablauf in dem anderen Abschnitt der schiefen Gleitebene angeordnet ist. Durch die Formung der Flächen von Zulauf und Ablauf auf der Gleitebene lässt sich ein bestimmtes Druckniveau einzustellen. Somit lässt sich auch eine gewünschte Druck-Kräfte-Bilanz in der Pumpe erreichen.Inlet and outlet are placed in the slip plane, with the inlet arranged in one section and the outlet in the other section of the inclined sliding plane. By shaping the surfaces of inlet and outlet on the slip plane, a certain pressure level can be set. Thus, a desired pressure-forces balance in the pump can be achieved.

Zeichnungdrawing

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung vereinfacht dargestellt und in der nachfolgenden Beschreibung näher erläutert.

Fig.1
zeigt im Schnitt ein erfindungsgemäßes Förderaggregat und
Fig.2
eine erfindungsgemäße Antriebswelle des Förderaggregates nach Fig.1.
An embodiment of the invention is shown in simplified form in the drawing and explained in more detail in the following description.
Fig.1
shows in section an inventive delivery unit and
Fig.2
a drive shaft of the delivery unit according to the invention Fig.1 ,

Beschreibung des AusführungsbeispielsDescription of the embodiment

Fig.1 zeigt im Schnitt ein erfindungsgemäßes Förderaggregat. Fig.1 shows in section an inventive delivery unit.

Das Förderaggregat, beispielsweise eine Pumpe oder ein Verdichter, umfasst eine von einem Aktor 1 angetriebene Antriebswelle 2. Die Antriebswelle 2 treibt einen Rotor 3 an, der in einem Statorgehäuse 4 drehbar angeordnet ist. Die Antriebswelle 2 hat eine mit dem Rotor 3 zusammenwirkende schiefe Gleitebene 5, die an einer Schulter 6 der Antriebswelle 2 ausgebildet ist und den Rotor 3 mit seiner Rotorachse 7 um die Antriebsachse 8 der Antriebswelle 2 taumeln lässt. Der Rotor 3 hat an seiner der Antriebswelle 2 abgewandten Stirnseite eine Verzahnung 12, die mit einer am Statorgehäuse 4 ausgebildeten Verzahnung 13 kämmt, wobei zwischen der Verzahnung 12 des Rotors 3 und der Verzahnung 13 des Statorgehäuses 4 Arbeitsräume 14 gebildet sind, die über einen Zulauf 15 befüllbar und über einen Ablauf 16 entleerbar sind. Der Zulauf 15 und der Ablauf 16 beinhalten Steuerkanten 24,25, die die Zuschaltzeitpunkte von den Arbeitsräumen 14 bestimmen. Dadurch lässt sich eine verspätete bzw. verfrühte Entleerung der Arbeitsräume erreichen.The delivery unit, for example a pump or a compressor, comprises a drive shaft 2 driven by an actuator 1. The drive shaft 2 drives a rotor 3, which is rotatably arranged in a stator housing 4. The drive shaft 2 has a cooperating with the rotor 3 inclined sliding plane 5, which is formed on a shoulder 6 of the drive shaft 2 and the rotor 3 can tumble with its rotor axis 7 about the drive shaft 8 of the drive shaft 2. The rotor 3 has on its end facing away from the drive shaft 2 a toothing 12 which meshes with a toothing 13 formed on the stator 4, wherein between the teeth 12 of the rotor 3 and the toothing 13 of the stator housing 4 working chambers 14 are formed, which via an inlet 15 can be filled and emptied via a drain 16. The inlet 15 and the outlet 16 include control edges 24, 25 which determine the connection times from the work spaces 14. As a result, a delayed or premature emptying of the work spaces can be achieved.

Die Verzahnung 12 des Rotors 3 und die Verzahnung 13 des Statorgehäuses 4 haben eine unterschiedliche Zähnezahl.The teeth 12 of the rotor 3 and the teeth 13 of the stator 4 have a different number of teeth.

Das Förderaggregat arbeitet nach dem Verdrängungsprinzip, so dass Fluid selbstansaugend in die Arbeitsräume 14 angesaugt und aus diesen druckterhöht ausgestoßen wird. Der Rotor 3 weist an seiner der Antriebswelle 2 zugewandten Seite eine mit der schiefen Gleitebene 5 zusammenwirkende Gleitfläche 19 und an seiner der Verzahnung 13 des Statorgehäuse 4 zugewandten Seite die Verzahnung 12 auf. Die Verzahnung 12 des Rotors 3 und die Verzahnung 13 des Statorgehäuses 4 ist beispielsweise jeweils eine Zykloidenverzahnung, kann aber auch eine andere Verzahnung sein. Die Verzahnungen 12,13 können alternativ auch schräg- oder spiralförmig ausgeführt sein.The delivery unit works according to the displacement principle, so that fluid is sucked into the working chambers 14 in a self-priming manner and expelled from the latter at higher pressure. On its side facing the drive shaft 2, the rotor 3 has a sliding surface 19 cooperating with the inclined sliding plane 5 and the toothing 12 on its side facing the toothing 13 of the stator housing 4. The toothing 12 of the rotor 3 and the toothing 13 of the stator housing 4, for example, each a cycloidal toothing, but can also be a different toothing. The teeth 12,13 may alternatively be performed obliquely or spirally.

Erfindungsgemäß ist vorgesehen, dass der Zulauf 15 in einem Kanal 20 der Antriebswelle 2 und der Ablauf 16 als Durchgangsöffnung an der Schulter 6 der Antriebswelle 2 vorgesehen ist. Umgekehrt kann Ablauf 16 in einem Kanal 20 der Antriebswelle 2 und der Zulauf 15 als Durchgangsöffnung an der Schulter 6 der Antriebswelle 2 vorgesehen sein. Der Kanal 20 verläuft gemäß dem Ausführungsbeispiel zumindest abschnittsweise parallel zur Antriebsachse 8, kann aber ausdrücklich auch anders ausgebildet sein.According to the invention, it is provided that the inlet 15 is provided in a channel 20 of the drive shaft 2 and the outlet 16 is provided as a passage opening on the shoulder 6 of the drive shaft 2. Conversely, drain 16 may be provided in a channel 20 of the drive shaft 2 and the inlet 15 as a passage opening on the shoulder 6 of the drive shaft 2. The channel 20 extends according to the embodiment at least partially parallel to the drive shaft 8, but can also be expressly designed differently.

Der Ablauf 16 ist bogenförmig ausgebildet und kann mehrere Ablauföffnungen umfassen, die bogenförmig angeordnet sind. Der Kanal 20 mündet über einen als Ausnehmung 22 ausgeführten Zulauf 15 in die schiefe Gleitebene 5. Die Ausnehmung 22 ist gegenüber dem Querschnitt des Kanals 20 beispielsweise erweitert. Gemäß dem Ausführungsbeispiel nach Fig.2 ist die Ausnehmung 22 halbkreisförmig ausgebildet. Zur Befüllung der Arbeitsräume 14 hat der Rotor 3 in den Tälern der Verzahnung 12 Durchgangsöffnungen 23, die auf die andere Seite zur Gleitfläche 19 führen. Auf diese Weise kann die Befüllung der Arbeitsräume 14 über den Kanal 20, die Ausnehmung 22 und die Durchgangsöffnungen 23 und die Entleerung über die Durchgangsöffnungen 23 und den Ablauf 16 erfolgen.The drain 16 is arcuate in shape and may include a plurality of drainage apertures arcuately arranged. The channel 20 opens via an inlet 15 designed as a recess 22 in the inclined sliding plane 5. The recess 22 is compared to the cross section of the channel 20, for example, expanded. According to the embodiment according to Fig.2 the recess 22 is semicircular. For filling the working spaces 14, the rotor 3 in the valleys of the toothing 12 through openings 23, which lead to the other side to the sliding surface 19. In this way, the filling of the working chambers 14 via the channel 20, the recess 22 and the through holes 23 and the emptying via the through holes 23 and the drain 16 can be carried out.

Die schiefe Gleitebene 5 umfasst eine Fläche, die kreisförmig ausgebildet ist, wobei der Zulauf 15 in einem Abschnitt, also der einen Kreishälfte, und der Ablauf 16 in dem anderen Abschnitt, also der anderen Kreishälfte der schiefen Gleitebene 5, angeordnet ist. Der Zulauf 15 und der Ablauf 16 sind in der schiefen Gleitebene 5 nebeneinander und beabstandet zueinander angeordnet. Zwischen dem Zulauf 15 und dem Ablauf 16 ist zumindest ein Trennsteg 21 vorgesehen, so dass der Zulauf 15 und der Ablauf 16 dicht voneinander getrennt sind.The inclined sliding plane 5 comprises a surface which is of circular design, wherein the inlet 15 is arranged in one section, that is to say one half of the circle, and the outlet 16 is arranged in the other section, that is to say the other circular half of the inclined sliding plane 5. The inlet 15 and the drain 16 are in the inclined sliding plane 5 next to each other and spaced from each other. Between the inlet 15 and the outlet 16 at least one separating web 21 is provided, so that the inlet 15 and the outlet 16 are tightly separated from each other.

Das Förderaggregat kann in beide Richtungen durchströmt werden, d.h. dass der Zufluss 15 auch ein Abfluss und der Abfluss 16 auch ein Zufluss kann.The delivery unit can be flowed through in both directions, i. that the inflow 15 can also be an outflow and the outflow 16 can also be an inflow.

Fig.2 zeigt eine erfindungsgemäße Antriebswelle des Förderaggregates nach Fig.1. Fig.2 shows a drive shaft of the delivery unit according to the invention Fig.1 ,

Bei der Ansicht nach Fig.2 sind die gegenüber der Ansicht nach Fig.1 gleichbleibenden oder gleichwirkenden Teile durch die gleichen Bezugszeichen gekennzeichnet.When viewing Fig.2 are the opposite to the view Fig.1 Constant or equivalent parts by the same reference numerals.

Claims (6)

  1. Delivery unit having a drive shaft (2) and a rotor (3) which is driven by the drive shaft (2) and is arranged rotatably in a stator housing (4), the drive shaft (2) having an oblique sliding plane (5) which interacts with the rotor (3), is formed on a shoulder (6) of the drive shaft (2) and allows the rotor (3) to tumble with its rotor axis (7) about the drive axis (8) of the drive shaft (2), the rotor (3) having a toothing system (12) on its end side which faces away from the drive shaft (2), which toothing system (12) meshes with a toothing system (13) which is formed on the stator housing (4), working spaces (14) being formed between the toothing system (12) of the rotor (3) and the toothing system (13) of the stator housing (4), which working spaces (14) can be filled via an inflow (15) and can be emptied via an outflow (16), characterized in that the inflow (15) is provided in a channel (20) of the drive shaft (2) and the outflow (16) is provided on the shoulder (6) of the drive shaft (2), or vice versa, wherein the outflow (16) is of arcuate configuration or wherein the outflow (16) comprises a plurality of outflow openings which are arranged arcuately, wherein the oblique sliding plane (5) is of circular configuration and the inflow (15) is arranged in one circle half and the outflow (16) is arranged in the other circle half of the oblique sliding plane (5), wherein at least one separating web (21) is provided between the inflow (15) and the outflow (16).
  2. Delivery unit according to Claim 1, characterized in that the inflow (15) and the outflow (16) are formed in the oblique sliding plane (5) of the drive shaft (2).
  3. Delivery unit according to Claim 1, characterized in that the inflow (15) and the outflow (16) are arranged next to one another in the oblique sliding plane (5).
  4. Delivery unit according to Claim 1, characterized in that the channel (20) opens into the oblique sliding plane (5) via a semicircular recess (22).
  5. Delivery unit according to Claim 1, characterized in that the rotor (3) has a sliding face (19) which interacts with the oblique sliding plane (5) on its one side and has the toothing system (12) on its other side.
  6. Delivery unit according to Claim 1, characterized in that the rotor (3) are provided, in the troughs of the toothing system (12), through openings (23) to its other side.
EP11735661.8A 2010-09-14 2011-07-26 Delivery unit Active EP2616685B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010040758A DE102010040758A1 (en) 2010-09-14 2010-09-14 delivery unit
PCT/EP2011/062798 WO2012034759A2 (en) 2010-09-14 2011-07-26 Delivery unit

Publications (2)

Publication Number Publication Date
EP2616685A2 EP2616685A2 (en) 2013-07-24
EP2616685B1 true EP2616685B1 (en) 2018-03-28

Family

ID=44628913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11735661.8A Active EP2616685B1 (en) 2010-09-14 2011-07-26 Delivery unit

Country Status (5)

Country Link
US (1) US9046099B2 (en)
EP (1) EP2616685B1 (en)
CN (1) CN103429897B (en)
DE (1) DE102010040758A1 (en)
WO (1) WO2012034759A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2137378B1 (en) * 2007-03-13 2017-11-01 Robert Bosch GmbH Pump or motor
DE102011084828B4 (en) * 2011-10-19 2024-02-15 Robert Bosch Gmbh conveyor unit
DE102014209140A1 (en) 2013-05-23 2014-11-27 Robert Bosch Gmbh delivery unit
DE102014219219A1 (en) 2014-09-24 2016-03-24 Robert Bosch Gmbh delivery unit
ES2769063T3 (en) * 2015-11-18 2020-06-24 Nestle Sa Rotary compressor installation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2831436A (en) * 1952-08-19 1958-04-22 Garvenswerke Maschinen Pumpen & Waagenfabrik W Garvens Pump
US3964842A (en) * 1975-01-20 1976-06-22 Trw Inc. Hydraulic device
DE10163801A1 (en) 2001-12-22 2003-07-17 Heptec Gmbh Radial compressor, in particular compressor for respirators, impeller and respirator
US7351047B2 (en) * 2002-09-24 2008-04-01 Anelva Technix Corporation Swash-plate variable volume chamber-type fluid machine
EP2137378B1 (en) 2007-03-13 2017-11-01 Robert Bosch GmbH Pump or motor
JP4130470B1 (en) * 2008-02-14 2008-08-06 株式会社大和電機商会 Liquid transfer pump

Also Published As

Publication number Publication date
CN103429897A (en) 2013-12-04
US9046099B2 (en) 2015-06-02
DE102010040758A1 (en) 2012-03-15
US20130189142A1 (en) 2013-07-25
WO2012034759A3 (en) 2013-04-04
CN103429897B (en) 2016-02-24
WO2012034759A2 (en) 2012-03-22
EP2616685A2 (en) 2013-07-24

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