WO2007048380A1 - Systeme de pompes - Google Patents

Systeme de pompes Download PDF

Info

Publication number
WO2007048380A1
WO2007048380A1 PCT/DE2006/001823 DE2006001823W WO2007048380A1 WO 2007048380 A1 WO2007048380 A1 WO 2007048380A1 DE 2006001823 W DE2006001823 W DE 2006001823W WO 2007048380 A1 WO2007048380 A1 WO 2007048380A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
pump
actuator
arrangement according
rotor hub
Prior art date
Application number
PCT/DE2006/001823
Other languages
German (de)
English (en)
Inventor
Heiko Schulz-Andres
Dirk Kamarys
Olaf Rische
Original Assignee
Ixetic Hückeswagen Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ixetic Hückeswagen Gmbh filed Critical Ixetic Hückeswagen Gmbh
Priority to DE112006002561T priority Critical patent/DE112006002561A5/de
Priority to EP06805431A priority patent/EP1943423B1/fr
Priority to AT06805431T priority patent/ATE556223T1/de
Publication of WO2007048380A1 publication Critical patent/WO2007048380A1/fr

Links

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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • F04C15/0073—Couplings between rotors and input or output shafts acting by interengaging or mating parts, i.e. positive coupling of rotor and shaft
    • 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
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
    • 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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/02—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for several machines or pumps connected in series or in parallel
    • 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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/06—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for stopping, starting, idling or no-load operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
    • F01M2001/0238—Rotary pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F01M2001/0253—Pressure lubrication using lubricating pumps characterised by the pump driving means
    • 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
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
    • 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
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/19—Temperature
    • 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
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/56—Number of pump/machine units in operation

Definitions

  • the invention relates to a pump arrangement, in particular for lubricating oil pumps for internal combustion engines, with at least two pump devices, wherein the pump devices can promote each other independently.
  • two-stage pressure-controlled pumps are known, with two internal gear pumps operate in parallel, the second stage from a certain oil pressure (of about 3 bar) back into the intake of the pump.
  • a certain oil pressure of about 3 bar
  • a pump arrangement in particular for lubricating oil pumps for internal combustion engines, with at least two pump devices, which are arranged on a common drive shaft, but can independently convey, and wherein the first pump is always rotationally connected to the drive shaft, wherein the at least second pump via a temperature-dependent actuated rotary drive connection to the shaft or the rotor of the first pump is connectable.
  • the inventive idea is to present an at least two-stage pump in which one stage delivers continuously and the other depending on the temperature is switched on or off to save power.
  • Two fixed displacement pumps eg gerotor or external gear pumps
  • the two pumps are separated.
  • the idea is to connect one pump firmly to the drive shaft and the other with the help of a temperature-dependent shaft-hub connection to switch. Once the required switching temperature has been reached, the second pump stage becomes active and both volumetric flows are available to the consumer.
  • An inventive pump arrangement is characterized in that the at least second pump is connected by a temperature-dependent variable actuator, in particular by a volume expansion of an actuator body at a temperature rise.
  • a pump arrangement in which the actuator produces a shaft-hub connection in a force-locking manner. Furthermore, a pump arrangement is preferred in which the actuator produces a positive shaft-hub connection.
  • the shaft-hub connection can thus be executed positively or non-positively. When a certain temperature is exceeded, the connection is established and released when falling below.
  • Another inventive pump arrangement is characterized in that within the second pump, a first cone is arranged on the shaft and a second cone in the pump rotor hub is arranged, wherein the actuator expands axially when the temperature increases and the second cone in the axial direction against presses the first cone.
  • a pump is preferred in which between the shaft and the rotor hub within the rotor hub, a cylindrical recess is arranged with two conical clamping sleeves, which move with axial expansion of the actuator against each other and cause a radial contact between the shaft and rotor hub.
  • a pump arrangement is preferred in which in the second pump, the shaft has a radial recess for receiving a radially expandable actuator, which is surrounded by a slotted sleeve, so that when radially expanding the actuator, the slotted sleeve expands in its circumference and a Press connection between actuator and rotor hub manufactures.
  • a pump arrangement is preferred in which on the shaft, a cylindrical annular body is arranged as an expansion element within a slotted sleeve, so that upon radial expansion of the annular body, the slotted sleeve expands in its circumference and produces a press connection between the actuator and rotor hub.
  • a further pump arrangement according to the invention is characterized in that an actuator is arranged in the rotor hub, which presses a ball against a return spring in a tapered seat in the rotor hub with temperature increase, so that the ball is pressed over the conical seat against the shaft and thus a Clamping force generated between rotor hub and shaft.
  • a pump arrangement is preferred in which within the second pump in a recess of the shaft radially extendable pins or elements with conical / conical ends are arranged, which are radially retractable by spring forces in the shaft, wherein by an axially within the recess of the shaft extendable actuator, which also has a tapered end which presses against the tapered ends of the pins, the elements can extend radially when deflecting the actuator by deflecting the forces at the tapered ends and engage in radial openings of the hub of the pump rotor.
  • a pump arrangement in which in the second pump in an axial recess of the shaft, a cup-shaped expansion body is arranged with a conical shape with radially deflectable Spreizarmen in a conical shape, wherein the radially deflectable spreader arms through slots in the shaft in recesses of the Rotomabe can engage when an axially disposed within the recess of the shaft extendable actuator having a tapered or a spherical end, so that the radially deflectable spreader presses through the slots in the shaft in the rotor hub.
  • the spreading arms move back into the shaft by their springback force.
  • FIG. 1 shows a second pump with an axially acting cone connection.
  • FIG. 2 shows a second pump with a radially acting conical connection.
  • FIG. 3 shows a second pump with a radially acting expansion element.
  • FIG. 4 shows a second pump with an annular expansion element.
  • FIG. 5 shows a second pump with an expansion element in the hub.
  • FIG. 6 shows a second pump with an expansion element in the shaft and radially acting pins.
  • FIG. 7 shows a second pump with an expansion element in the shaft and a pot-shaped expansion body.
  • FIG. 8 shows two pumps with a displaceable intermediate plate.
  • the so-called second pump which is temperature-dependent connectable to the shaft, shown as a gear pump with a gear 1.
  • the gear 1 is mounted on a shaft 2, which has a cone 4 at its end.
  • the hub of the gear 1 has a conical end portion 6, which rests on the conical end portion 4 of the shaft 2.
  • a support cap 8 is further arranged.
  • a sleeve 10 is arranged, which partially surrounds an annular expansion element 12. When the temperature increases, this element 12 expands and thus frictionally jammed the gear 1 with the shaft 2.
  • FIG. 2 shows a further clamping cone connection by means of an expansion element.
  • a cup-shaped recess 16 is arranged within a gear 14.
  • the pot-shaped recess 16 includes two conically shaped, mutually displaceable rings 18.
  • a stretchable element 22 is arranged, which expands upon temperature increase and the two conical rings 18 moves against each other.
  • a radial clamping force By the conical clamping rings 18 so there is a force deflection between the axially expanding expansion element 22 and the radially to be clamped parts of the gear 14 and the shaft 24 instead.
  • a radially extendable expansion element 30 is arranged in a radial bore 26 of a shaft 28.
  • the shaft 28 is further surrounded by a slotted sleeve 32 in the region of the expansion element 30.
  • the slotted sleeve 32 is pressed against the hub of the gear 34 and thus produces a frictional connection between the expansion element 30 and thus the shaft 28 and the gear 34.
  • an annular expansion element 36 is arranged in an annular recess 38 of the shaft 40.
  • the expansion element 36 is in turn surrounded by a slotted clamping sleeve 42.
  • the expansion element 36 arranged on the shaft 40 expands substantially radially when the temperature increases. During this expansion, it spreads the slotted sleeve 42. Again, the torque is transmitted to the gear 44 in turn by the resulting frictional force.
  • a temperature-dependent actuator 46 is arranged in a recess in the hub 48 of a toothed wheel 50.
  • the actuator 46 when expanded by increasing the temperature, presses a ball 52 into a conical seat 54 such that the ball 52 is pressed more firmly against the surface of the shaft 56, thus producing an increasing frictional force.
  • the ball within the conical seat 54 is pushed back by a spring 58 and repealed the frictional force. Again, the actuator force is deflected by the ball and the conical seat 54.
  • FIG. 6 shows a form-fitting connection with a temperature-dependent adjustable actuator.
  • a temperature-controlled actuator 62 is arranged, which acts on a conical element 64 in axial expansion.
  • a return spring 66 presses on cooling the conical member 64 and thus the actuator 62 back to its original position.
  • the conical element 64 in turn presses on tapered ends 70 of cylindrical pins 68, which thus extend radially from the shaft 60 and retract into radial openings 74 of a gear 76 at temperature elevation.
  • a positive connection between the shaft 60 and the gear 76 is produced.
  • the cylindrical pins 68 are returned by return springs 72 back into the shaft.
  • the springs 72 also prevent the extension of the cylindrical pins 68 by centrifugal force.
  • the torque between the shaft 60 and the gear 76 is thus transmitted in this arrangement by positive engagement.
  • a corresponding positive connection is produced by a so-called expansion element 78.
  • a temperature-dependent expansion element 82 is arranged in a recess of a shaft 80.
  • the expansion element 82 here has a spherical segment-shaped actuating body 84 which presses against spreading arms 86 of the expansion body 78 when the temperature-dependent element 82 extends under an increase in temperature.
  • the spreader arms 86 are pressed through openings 88 in the shaft in recesses 90 of a gear 92 and thus take the gear 92 in the rotary motion positively.
  • a return spring 94 ensures the retraction of the actuator 82 and the actuator body 84 in the cooled state, wherein the spreader arms 86 in turn spring back from the recesses 90 of the gear 92 in the shaft 80 and the frictional connection is released again due to their return spring force.
  • a further possibility of coupling the second pump to the shaft could consist of a combination of a shaft-hub connection and a valve 95, as indicated in FIG.
  • the separation of the two pumps 96 and 98 takes place via a loosely inserted intermediate plate 100.
  • the advantage of a loosely inserted plate 100 is the improvement in volumetric efficiency due to the reduction of the gap. Due to the temperature-dependent switching of the valve 95, the disc 100 is axially displaced against the pump 98 due to the pressurization of the pressure plate 100, the suction and pressure surfaces on the side of the pump 96 are now completely under system pressure. This displacement minimizes the column of the fixed stage 98, while the overall stage 96 rotates under pressure with large gaps, without promoting and thus absorbs only minimal power.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Eye Examination Apparatus (AREA)

Abstract

L'invention propose un système de pompes, en particulier pour pompes d'huile de lubrification de moteurs à combustion interne, qui présente au moins deux dispositifs de pompage disposés sur un arbre d'entraînement commun, mais capables de refouler indépendamment l'un de l'autre. La première pompe est toujours reliée à entraînement en rotation à l'arbre d'entraînement et la deuxième pompe (1) peut être reliée à l'arbre (2) ou au rotor de la première pompe par l'intermédiaire d'une liaison (12) d'entraînement en rotation qui peut être activée en fonction de la température.
PCT/DE2006/001823 2005-10-27 2006-10-17 Systeme de pompes WO2007048380A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112006002561T DE112006002561A5 (de) 2005-10-27 2006-10-17 Pumpenanordnung
EP06805431A EP1943423B1 (fr) 2005-10-27 2006-10-17 Systeme de pompes
AT06805431T ATE556223T1 (de) 2005-10-27 2006-10-17 Pumpenanordnung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005051463 2005-10-27
DE102005051463.4 2005-10-27

Publications (1)

Publication Number Publication Date
WO2007048380A1 true WO2007048380A1 (fr) 2007-05-03

Family

ID=37654812

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2006/001823 WO2007048380A1 (fr) 2005-10-27 2006-10-17 Systeme de pompes

Country Status (4)

Country Link
EP (1) EP1943423B1 (fr)
AT (1) ATE556223T1 (fr)
DE (1) DE112006002561A5 (fr)
WO (1) WO2007048380A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008039700A1 (de) 2007-09-06 2009-03-12 Tcg Unitech Systemtechnik Gmbh Kühlmittelpumpe
AT513976A4 (de) * 2013-06-19 2014-09-15 Avl List Gmbh Schaltbare Zahnradpumpe
DE102014117166A1 (de) * 2014-11-24 2016-05-25 Netzsch Pumpen & Systeme Gmbh Drehkolbenpumpe, verfahren zur fixierung von drehkolben einer drehkolbenpumpe und verfahren zur demontage von drehkolben einer drehkolbenpumpe

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1099700A (en) * 1963-12-30 1968-01-17 Mirrlees Engineers Ltd Closed-circuit force-feed lubrication system for marine diesel engines and other devices requiring lubrication
US5326232A (en) * 1993-04-20 1994-07-05 General Motors Corporation Two stage pump assembly with mechanical disconnect
JPH07332086A (ja) * 1994-06-14 1995-12-19 Unisia Jecs Corp 渦巻ポンプ
DE19752372A1 (de) * 1997-11-26 1999-05-27 Guenther Dipl Ing Beez Regelbare Kreiselpumpe, insbesondere für Verbrennungsmotore
DE19914440A1 (de) * 1999-03-30 2000-10-05 Volkswagen Ag Vorrichtung zur temperaturabhängigen Verbindung von Bauteilen
DE19933484A1 (de) * 1999-07-16 2001-01-18 Bayerische Motoren Werke Ag Innenzahnradpumpen umfassendes Pumpenaggregat, insbesondere für das Schmiersystem einer Brennkraftmaschine
WO2002097273A2 (fr) * 2001-05-31 2002-12-05 Luk Automobilitechnik Gmbh & Co. Kg Pompe
DE102004040436A1 (de) * 2004-08-20 2005-10-20 Audi Ag Ölpumpe mit wenigstens zwei Pumpenstufen und Verfahren zum Betreiben einer Ölpumpe
DE102005032226A1 (de) * 2005-07-09 2007-01-18 Daimlerchrysler Ag Schmiermittelversorgungssystem eines Kraftfahrzeugs

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1099700A (en) * 1963-12-30 1968-01-17 Mirrlees Engineers Ltd Closed-circuit force-feed lubrication system for marine diesel engines and other devices requiring lubrication
US5326232A (en) * 1993-04-20 1994-07-05 General Motors Corporation Two stage pump assembly with mechanical disconnect
JPH07332086A (ja) * 1994-06-14 1995-12-19 Unisia Jecs Corp 渦巻ポンプ
DE19752372A1 (de) * 1997-11-26 1999-05-27 Guenther Dipl Ing Beez Regelbare Kreiselpumpe, insbesondere für Verbrennungsmotore
DE19914440A1 (de) * 1999-03-30 2000-10-05 Volkswagen Ag Vorrichtung zur temperaturabhängigen Verbindung von Bauteilen
DE19933484A1 (de) * 1999-07-16 2001-01-18 Bayerische Motoren Werke Ag Innenzahnradpumpen umfassendes Pumpenaggregat, insbesondere für das Schmiersystem einer Brennkraftmaschine
WO2002097273A2 (fr) * 2001-05-31 2002-12-05 Luk Automobilitechnik Gmbh & Co. Kg Pompe
DE102004040436A1 (de) * 2004-08-20 2005-10-20 Audi Ag Ölpumpe mit wenigstens zwei Pumpenstufen und Verfahren zum Betreiben einer Ölpumpe
DE102005032226A1 (de) * 2005-07-09 2007-01-18 Daimlerchrysler Ag Schmiermittelversorgungssystem eines Kraftfahrzeugs

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008039700A1 (de) 2007-09-06 2009-03-12 Tcg Unitech Systemtechnik Gmbh Kühlmittelpumpe
AT505644B1 (de) * 2007-09-06 2011-09-15 Tcg Unitech Systemtechnik Gmbh Kühlmittelpumpe
AT513976A4 (de) * 2013-06-19 2014-09-15 Avl List Gmbh Schaltbare Zahnradpumpe
AT513976B1 (de) * 2013-06-19 2014-09-15 Avl List Gmbh Schaltbare Zahnradpumpe
DE102014117166A1 (de) * 2014-11-24 2016-05-25 Netzsch Pumpen & Systeme Gmbh Drehkolbenpumpe, verfahren zur fixierung von drehkolben einer drehkolbenpumpe und verfahren zur demontage von drehkolben einer drehkolbenpumpe
DE102014117166B4 (de) * 2014-11-24 2016-07-07 Netzsch Pumpen & Systeme Gmbh Drehkolbenpumpe, verfahren zur fixierung von drehkolben einer drehkolbenpumpe und verfahren zur demontage von drehkolben einer drehkolbenpumpe

Also Published As

Publication number Publication date
EP1943423B1 (fr) 2012-05-02
EP1943423A1 (fr) 2008-07-16
DE112006002561A5 (de) 2008-07-03
ATE556223T1 (de) 2012-05-15

Similar Documents

Publication Publication Date Title
EP2201258B1 (fr) Système d'actionnement d'embrayage
EP2895772B1 (fr) Frein combiné pour véhicule
EP2060824B1 (fr) Agencement d'amortisseur de vibrations de torsions
EP2142818B1 (fr) Embrayage a surfaces de friction
WO2007048380A1 (fr) Systeme de pompes
WO2008061749A1 (fr) Pompe
DE3505613A1 (de) Motorkupplungseinrichtung
EP1354150B1 (fr) Systeme d'accouplement hydrodynamique
DE102012204369B4 (de) Kraftmaschinenanordnung umfassend eine fluidbetätigte Kupplungsanordnung und eine Lamellenkupplung
EP1325247A1 (fr) Systeme d'accouplement hydrodynamique
EP2557334B1 (fr) Agencement de poulie débrayable
DE112018002225B4 (de) Linearer aktuator und kupplungsaktuator
EP1950444A2 (fr) Agencement d'embrayage
WO2018171994A1 (fr) Ensemble d'accouplement pour la chaîne cinématique d'un véhicule
DE102013217237A1 (de) Kombinierte Fahrzeugbremse mit elektromechanischer Feststellbremsbetätigung
DE102004034391B4 (de) Antriebssystem
DE102007003442A1 (de) Kopplungsanordnung
DE102008017458A1 (de) Torsionsschwingungsdämpfer, insbesondere für den Antriebsstrang eines Fahrzeugs
WO2014194903A1 (fr) Embrayage à friction pour chaîne cinématique d'un véhicule automobile
DE102004024728B3 (de) Schalteinrichtung für mehrstufige Ölpumpen
EP2904258A1 (fr) Pompe haute pression
EP2212554B1 (fr) Pompe à pistons radiaux
WO2009043658A1 (fr) Dispositif d'accouplement hydrodynamique
WO2008034869A2 (fr) Ensemble pompe doté d'au moins deux pompes à piston radial
DE202017002452U1 (de) Druckmittelbetätigte Reibkupplung oder -bremse

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 2006805431

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 112006002561

Country of ref document: DE

REF Corresponds to

Ref document number: 112006002561

Country of ref document: DE

Date of ref document: 20080703

Kind code of ref document: P

WWP Wipo information: published in national office

Ref document number: 2006805431

Country of ref document: EP