EP3924624A1 - Pompe à vis à liquide de refroidissement électrique - Google Patents

Pompe à vis à liquide de refroidissement électrique

Info

Publication number
EP3924624A1
EP3924624A1 EP19817281.9A EP19817281A EP3924624A1 EP 3924624 A1 EP3924624 A1 EP 3924624A1 EP 19817281 A EP19817281 A EP 19817281A EP 3924624 A1 EP3924624 A1 EP 3924624A1
Authority
EP
European Patent Office
Prior art keywords
spindle
motor
housing
chamber
electric
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
EP19817281.9A
Other languages
German (de)
English (en)
Other versions
EP3924624B1 (fr
Inventor
Daniel Döhler
Franz Pawellek
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.)
Nidec GPM GmbH
Original Assignee
Nidec GPM 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 Nidec GPM GmbH filed Critical Nidec GPM GmbH
Publication of EP3924624A1 publication Critical patent/EP3924624A1/fr
Application granted granted Critical
Publication of EP3924624B1 publication Critical patent/EP3924624B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F04C2/16—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 helical teeth, e.g. chevron-shaped, screw type
    • 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
    • F04C15/0096—Heating; Cooling
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation
    • F04C29/047—Cooling of electronic devices installed inside the pump housing, e.g. inverters
    • 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
    • F04C2240/40—Electric motor
    • 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
    • F04C2240/80—Other components
    • F04C2240/808—Electronic circuits (e.g. inverters) installed inside the machine

Definitions

  • the present invention relates to an electric coolant pump of the type of a screw spindle pump for conveying a coolant circuit or the like, in particular for conveying corrosive, liquid media.
  • Screw pumps are positive displacement pumps that enable high pressures and high volumetric efficiency. They do not offer any speed-independent adjustment of the geometry, but they have a robust rotary piston mechanism that is insensitive to contamination and does not require any filigree elements such as gate valves or the like.
  • mechanically driven screw pumps have so far mainly been used in large-scale applications, such as Oil pumps in stationary systems or ship engines, in which they run at relatively constant operating points.
  • US 2018/0216614 Al describes a screw pump that is intended as a fuel pump.
  • a Cover attached with an axial outlet.
  • the electric motor is accommodated in an outlet chamber of the cover and the fuel flows through it before it leaves the outlet.
  • DE 10 2015 101 443 B3 describes a fuel pump with a housing in which an electric drive motor is coupled to a screw pump. The fuel flows through the drive motor before it leaves the outlet on the pressure side.
  • WO 2014/138519 A1 discloses an electric fluid pump of the screw spindle type.
  • the liquid flowing through an inlet and an outlet also surrounds the motor.
  • a fuel is named as a liquid.
  • a flange plane which is shown in the construction shown between a housing part on the motor side and a housing part on the pump side, runs between the motor and an outlet on the pump side.
  • DE 10 2017 210 771 A1 shows an electrically driven screw pump as a fuel delivery unit.
  • a pump housing and an electric motor are accommodated in a jacket.
  • the electrical components of the motor are in direct contact with the fuel within an outlet guide on a pressure side of the spindle chamber.
  • No. 6,371,744 B1 describes an electrical vacuum pump of the screw spindle type.
  • the screw spindles are driven by an electric motor which is arranged in a separate housing. Irrespective of specific modifications between a screw pump for gases and a screw pump for liquids, the said vacuum pump would not be transferable to an application as an electric coolant pump. With the arrangement shown, sufficient cooling of a dry-running electric motor could not be ensured.
  • a setpoint temperature of a coolant can be in the range of the boiling point of the coolant. In this case, overheating damage to electrical or electronic components would occur in continuous operation.
  • an object of the present invention is to create an electric screw pump that is suitable for pumping corrosive, liquid media and a cooling of the electrical drive provides.
  • Another aspect of the task is to provide a corresponding technical solution in such a way that it can also be implemented cost-effectively in series production of large numbers.
  • the electrical screw spindle coolant pump according to the invention for conveying a coolant circuit is particularly characterized in that a motor housing comprises a motor chamber in which a dry-running electric motor is arranged so as to be delimited from the conveying flow; and that the motor housing has a heat transfer section through which the delivery stream flows and which is arranged between the motor chamber and a component boundary of the motor housing to a spindle housing.
  • the invention provides for the first time a screw spindle pump as a coolant pump. Furthermore, the invention provides for the first time a screw spindle pump as an electric liquid pump that is driven by a dry-running electric motor.
  • the invention provides for the first time a screw spindle pump as an electric liquid pump in which a convection-assisted heat transfer is provided from a dry motor chamber to a conveying flow of the liquid conveying medium.
  • the present invention creates a coolant pump with a high power density.
  • the screw pump creates the high delivery pressure of a positive displacement pump, albeit with a relatively low pulsation, similar to a centrifugal pump.
  • the screw pump enables universal installations and applications.
  • the electric screw spindle coolant pump according to the invention is suitable, for example, for use in electric, especially battery electric vehicles in which no mechanical drive source is provided and a branched structure of thin or capillary cooling channels in a battery module or a traction motor requires a high delivery pressure.
  • the invention is based on the principle of moving an axial position of a component boundary between a motor housing and a spindle housing from a conventional functional position further in the direction of the spindle chamber.
  • this creates an area that is protected from the liquid in the delivery flow, so that the electric drive is not exposed to any corrosive influences.
  • a liquid-conducting area on the motor housing is created by the heat transfer section, which increases an internal thermal contact surface with the coolant. Via a heat exchange on the resulting thermal contact surface of the heat-conducting motor housing and a convection of the flow rate, even with a small temperature difference between the electric drive and the coolant, waste heat from electrical power loss can be effectively removed from the pump.
  • the enlargement of the thermal contact surface is achieved without a higher complexity of the structure, such as in the form of surface-enlarging structures, flow resistances or the like.
  • the motor housing is designed as a cast part in product development.
  • the changed component boundary can be implemented on the pump structure according to the invention without any significant effort or increase in production costs. Due to a complementary relocation of the component boundary of the spindle housing, there is essentially no disadvantageous increase in the overall dimensions of the pump in spite of an enlarged axial dimension of the motor housing.
  • the heat transfer section can further comprise the pump outlet.
  • the flow cross-section of the entire delivery flow is guided past the motor chamber.
  • the inner surface of the pump outlet on the heat transfer section increases the thermal contact surface of the thermally conductive motor housing with the flow rate again considerably.
  • the heat transfer section can comprise a delivery flow chamber which establishes a connection between the frontal delimitation of the motor chamber and the spindle chamber.
  • the heat transfer section can comprise a bearing seat for a shaft bearing, which is arranged between the electric motor and the screw spindles.
  • the surface of the bearing seat in the heat transfer section in turn increases the thermal contact area of the thermally conductive motor housing with the flow rate.
  • the integration of a shaft bearing in the axial area of the heat transfer section favors a compact design of the pump.
  • electronics for the electric motor can also be arranged in the motor chamber. Accordingly, a further heat source is included in the cooling of the electric drive according to the invention. In this way, the power loss from power electronics is also dissipated via the conveyor stream.
  • a stator and / or electronics of the electric motor in the motor housing can be in contact with an end delimitation of the motor chamber. This ensures that the heat transfer path of the thermally conductive motor housing is as short as possible between the electrical heat sources in the motor chamber and the delivery flow.
  • the heat transfer section can be formed in one piece with the motor housing. This ensures an optimized heat transfer path without interfaces or joints in the material and the lowest possible manufacturing costs for the motor housing.
  • the spindle housing can be designed in one piece. As explained above, the relocation of the component boundary between the motor housing and the spindle housing creates an open cross section of the spindle chamber. As a result, no division into two halves of the housing is required either for the assembly of the pump or for the manufacture of the molded body of the spindle housing.
  • the one-piece design of the spindle housing ensures a joint-free inner contour of the spindle chamber without the need for reworking. The inner contour of the spindle chamber can be produced easily and precisely by drilling.
  • the spindle housing can comprise the pump inlet.
  • the spindle housing is designed as a cast part during product development. Accordingly, by integrating the pump inlet, the number of components of the pump structure according to the invention can be reduced without significant effort.
  • a flange connection from a flange section of the motor housing and a flange section of the spindle housing can be formed at the component boundary between the motor housing and the spindle housing.
  • the flange connection enables a preferred screw connection for assembling the two housing components, while a corresponding flange also allows different types of sealing.
  • Fig. 1 shows a schematic sectional view through a screw spindle coolant pump according to an embodiment of the invention.
  • screw pump is understood to mean helical rotary piston pumps with a thread pitch for displacing the delivery medium.
  • Such types of pumps generally include a driven screw spindle 2a and at least one further screw spindle 2b, which is dragged along by engagement of the toothing.
  • a driven screw spindle 2a and a dragged screw spindle 2b are rotatably supported in a spindle chamber 10 of the spindle housing 1 in a spindle housing 1.
  • the spindle chamber 10 has a cross-sectional contour in the form of a so-called figure eight housing, ie it is formed by two bores in the pump housing 1, the radii of which overlap in order to ensure engagement of the screw spindles 2a, 2b.
  • the driven screw spindle 2a is connected to an electric motor 4.
  • a rotary movement of engaging screw profiles of the rotating screw spindles 2a, 2b generates a negative pressure on the suction side of the spindle chamber 10 and an overpressure on the opposite pressure side of the spindle chamber 10.
  • the delivery medium is conveyed by a continuous displacement along a screw pitch of the engaged screw profiles and is expelled from the spindle chamber 10 through the pump outlet 13.
  • a motor housing 3 adjoins the spindle housing on the pressure side of the spindle chamber 10.
  • the motor housing 3 has a flange section 35 which is designed to match a flange section 15 of the spindle housing 1.
  • the flange connection is sealed by a seal.
  • a separate motor chamber 30 is formed in the motor housing 3, in which the dry-running electric motor 4 and electronics, in particular power electronics (not shown) for switching the electrical power to the electric motor 4, are accommodated.
  • An open one The end of the motor chamber 30 is closed off by a motor cover (not shown).
  • a collar-shaped bearing seat 32 with a passage opening is formed in an end-side delimitation of the motor chamber 30.
  • a common shaft bearing 23 of the electric motor 4 and the driven screw spindle 2a is fitted in the bearing seat 32.
  • a shaft seal 34 is fitted into the bearing seat 32, which seals the motor chamber 30 from the entry of liquid.
  • the dry-running electric motor 4 is an internal rotor type having an internal rotor 42 and an external stator 4L.
  • the rotor 42 is coupled to the driven screw spindle 2a.
  • the stator 41 comprises field coils that are controlled by the power electronics and supplied with electrical power.
  • the stator 41 of the electric motor 4 is in thermal contact with an inner circumferential surface and with an end-side boundary surface of the motor chamber 30 so that waste heat from the field coils of the stator 41 is transferred to the motor housing 3.
  • the motor housing 3 consists of a metallic material with good thermal conductivity, such as a cast aluminum alloy, and is designed as a one-piece molded part.
  • a heat transfer section 31 of the motor housing 3 extends.
  • the pump outlet 13 is arranged in the form of a radially discharging pressure connection between the motor chamber 30 and the spindle chamber 10.
  • a delivery flow chamber 33 through which the liquid delivery medium flows. The delivery flow chamber 33 establishes a connection between the pressure side of the spindle chamber 10 and the pump outlet 13 for the delivery flow of the pump.
  • the conveying flow chamber 33 surrounds the collar-shaped bearing seat 32 and guides the pressurized, liquid conveying medium to the front boundary of the motor chamber 30, with which the stator 41 is in thermal contact.
  • the heat transfer section 31 represents that region of the thermally conductive material volume on the motor housing 3 which is significantly involved in the dissipation of waste heat from the motor chamber 30 into the delivery flow.
  • the inner surface of the pump outlet 13, the inner surface of the delivery flow chamber 33 and the surface of the bearing seat 32 each contribute to an increase in the thermal contact area between the motor chamber 30 and the delivery flow within the

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

L'invention concerne une pompe à vis à liquide de refroidissement électrique, qui est adaptée au transport d'un circuit de refroidissement ou d'autres milieux liquides corrosifs. La pompe à vis à liquide de refroidissement électrique présente un boîtier (1) de broche pourvu d'une chambre (10) de broche et un carter (3) de moteur axialement voisin. L'invention est caractérisée en ce que le carter (3) de moteur comprend une chambre (30) de moteur, dans laquelle un moteur électrique (4) fonctionnant à sec est disposé de manière délimitée par rapport au flux de transport ; et le carter (3) de moteur présente une partie de transfert thermique (31) qui est traversée par le flux de transport et qui est disposée entre la chambre (30) de moteur et une limite de composant entre le carter (3) de moteur et le boîtier (1) de broche.
EP19817281.9A 2019-02-12 2019-12-09 Pompe à vis à liquide de refroidissement électrique Active EP3924624B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019103470.1A DE102019103470A1 (de) 2019-02-12 2019-02-12 Elektrische Schraubenspindel-Kühlmittelpumpe
PCT/EP2019/084161 WO2020164776A1 (fr) 2019-02-12 2019-12-09 Pompe à vis à liquide de refroidissement électrique

Publications (2)

Publication Number Publication Date
EP3924624A1 true EP3924624A1 (fr) 2021-12-22
EP3924624B1 EP3924624B1 (fr) 2023-04-19

Family

ID=68835242

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19817281.9A Active EP3924624B1 (fr) 2019-02-12 2019-12-09 Pompe à vis à liquide de refroidissement électrique

Country Status (6)

Country Link
US (1) US20220099088A1 (fr)
EP (1) EP3924624B1 (fr)
CN (1) CN113227580B (fr)
BR (1) BR112021012370A2 (fr)
DE (1) DE102019103470A1 (fr)
WO (1) WO2020164776A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019118094A1 (de) * 2019-07-04 2021-01-07 Nidec Gpm Gmbh Temperierungsvorrichtung für ein Batteriespeichermodul
DE102019118086A1 (de) * 2019-07-04 2021-01-07 Nidec Gpm Gmbh Integrierte Schraubenspindel-Kühlmittelpumpe
IT202100019787A1 (it) 2021-07-26 2023-01-26 Fluid O Tech Srl Pompa a viti perfezionata, particolarmente per sistemi di raffreddamento.
DE102021133106A1 (de) * 2021-12-14 2023-06-15 Leistritz Pumpen Gmbh Schraubenspindelpumpe
DE102021133099A1 (de) * 2021-12-14 2023-06-15 Leistritz Pumpen Gmbh Schraubenspindelpumpe

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3245973A1 (de) * 1982-12-11 1984-06-14 Allweiler Ag, 7760 Radolfzell Motorpumpenaggregat
FR2544459B1 (fr) * 1983-04-14 1987-04-30 Zimmern Bernard Procede pour lubrifier les roulements d'un compresseur, et compresseur frigorifique utilisant ce procede
US5222874A (en) * 1991-01-09 1993-06-29 Sullair Corporation Lubricant cooled electric drive motor for a compressor
DE19745616A1 (de) * 1997-10-10 1999-04-15 Leybold Vakuum Gmbh Gekühlte Schraubenvakuumpumpe
KR100386753B1 (ko) * 1998-03-23 2003-06-09 다이코 기카이 고교 가부시키가이샤 드라이 진공펌프
WO2000008338A1 (fr) * 1998-08-06 2000-02-17 Automotive Motion Technology Limited Pompe entrainee par un moteur
BE1013944A3 (nl) * 2001-03-06 2003-01-14 Atlas Copco Airpower Nv Watergeinjecteerde schroefcompressor.
DE102005025816B4 (de) * 2005-06-02 2010-06-02 Joh. Heinr. Bornemann Gmbh Schraubenspindelpumpe
CN101265900A (zh) * 2008-04-23 2008-09-17 王法荣 屏蔽电泵
WO2010006663A1 (fr) * 2008-07-18 2010-01-21 Ralf Steffens Refroidissement d'une pompe à vis
JP5334801B2 (ja) * 2009-11-04 2013-11-06 株式会社神戸製鋼所 ２段スクリュ圧縮機および冷凍装置
CN101975160B (zh) * 2010-11-16 2014-12-03 上海维尔泰克螺杆机械有限公司 双螺杆液体泵
CN201991766U (zh) * 2011-03-30 2011-09-28 上海沪石石油机械有限公司 一种三螺杆输油泵
BE1020311A3 (nl) * 2012-02-28 2013-07-02 Atlas Copco Airpower Nv Schroefcompressor.
WO2014138519A1 (fr) 2013-03-07 2014-09-12 Ti Group Automotive Systems, L.L.C. Élément d'accouplement pour pompe à vis
DE102015101443B3 (de) 2015-02-02 2016-05-12 Leistritz Pumpen Gmbh Kraftstoffpumpe
JP2017048695A (ja) 2015-08-31 2017-03-09 株式会社デンソー スクリュポンプ
BE1023508B1 (nl) * 2015-10-07 2017-04-11 Atlas Copco Airpower, N.V. Werkwijze voor het installeren van een overbrenging en asafdichting daarbij toegepast
JP6692725B2 (ja) * 2016-09-08 2020-05-13 株式会社神戸製鋼所 オイルフリースクリュ圧縮機
DE102017210771B4 (de) 2017-06-27 2019-05-29 Continental Automotive Gmbh Schraubenspindelpumpe, Kraftstoffförderaggregat und Kraftstofffördereinheit

Also Published As

Publication number Publication date
DE102019103470A1 (de) 2020-08-13
BR112021012370A2 (pt) 2021-08-31
US20220099088A1 (en) 2022-03-31
EP3924624B1 (fr) 2023-04-19
WO2020164776A1 (fr) 2020-08-20
CN113227580B (zh) 2023-06-27
CN113227580A (zh) 2021-08-06

Similar Documents

Publication Publication Date Title
EP3924624B1 (fr) Pompe à vis à liquide de refroidissement électrique
EP3994344B1 (fr) Pompe à vis à liquide de refroidissement intégrée
WO2021001402A1 (fr) Dispositif de thermorégulation pour un module d'accumulateur de batterie
WO2007095982A1 (fr) Pompe centrifuge à moteur
WO2016041682A1 (fr) Pompe à agent de refroidissement à rotor noyé refroidie par écoulement
EP0831236B2 (fr) Motopompe avec convertisseur de fréquence refroidi
WO2019174773A1 (fr) Système modulaire d'une structure de pompe axialement intégrée
DE102012212423A1 (de) Flüssigkeitspumpe
DE102015215667A1 (de) Flüssigkeitskühlung einer elektrischen Maschine
DE102018126775B4 (de) Elektrische Wasserpumpe mit aktiver Kühlung
EP1945955B1 (fr) Pompe a fluide
EP2002123B1 (fr) Pompe a fluide
EP4229740A1 (fr) Pompe centrifuge comprenant un entraînement
EP2647106B1 (fr) Dispositif de transport de liquide
WO2010102604A1 (fr) Pompe de liquide de refroidissement à régulation
EP0903500A2 (fr) Pompe de refroidissement à entraínement électrique
WO2020127379A1 (fr) Moteur électrique
DE102020105337B4 (de) Thermisch optimierte Kühlmittelpumpe
DE102016118627B4 (de) Pumpe für flüssige Fördermedien mit schwimmender Rotorlagerung
EP3084219A1 (fr) Dispositif de pompage
WO2007054170A1 (fr) Pompe a fluide
EP2756195A1 (fr) Pompe à moteur électrique
DE102022003732A1 (de) Pumpe zum Fördern von gekühltem Flüssiggas von einem ersten Behälter zu einem zweiten Behälter
DE102020106796A1 (de) Pumpeneinsatz und Pumpenanordnung mit einem solchen Pumpeneinsatz
DE102018217499A1 (de) Aufbaukonzept für Pumpenintegration mit variabler Druckanschlussposition und kombinierter Kühlfunktion

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210624

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20221103

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502019007516

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1561365

Country of ref document: AT

Kind code of ref document: T

Effective date: 20230515

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230404

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20230419

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230821

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230719

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230819

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230720

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502019007516

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20240122

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502019007516

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20231209

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20231209

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20231231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230419

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20231209

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20240702

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20231209

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20231209

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20231231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20231231