EP3670922A1 - Rotor de moteur pour pompe à eau, pompe à eau et système de circulation de piscine - Google Patents

Rotor de moteur pour pompe à eau, pompe à eau et système de circulation de piscine Download PDF

Info

Publication number
EP3670922A1
EP3670922A1 EP19215692.5A EP19215692A EP3670922A1 EP 3670922 A1 EP3670922 A1 EP 3670922A1 EP 19215692 A EP19215692 A EP 19215692A EP 3670922 A1 EP3670922 A1 EP 3670922A1
Authority
EP
European Patent Office
Prior art keywords
water pump
motor rotor
molded part
injection
chamber
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
EP19215692.5A
Other languages
German (de)
English (en)
Other versions
EP3670922B1 (fr
Inventor
Shuiyong HUANG
Jinnian WANG
Haijun Wang
Jiang Xu
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.)
Bestway Inflatables and Material Corp
Original Assignee
Bestway Inflatables and Material Corp
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
Priority claimed from CN201921231450.6U external-priority patent/CN210738837U/zh
Application filed by Bestway Inflatables and Material Corp filed Critical Bestway Inflatables and Material Corp
Publication of EP3670922A1 publication Critical patent/EP3670922A1/fr
Application granted granted Critical
Publication of EP3670922B1 publication Critical patent/EP3670922B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606—Canned motor pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/043—Shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/20—Mounting rotors on shafts

Definitions

  • the present disclosure relates to the technical field of water pumps. More specifically, the present disclosure relates to a motor rotor for a water pump. The present disclosure further relates to a water pump comprising a motor rotor and a pool circulation system comprising the water pump.
  • Most swimming pools are equipped with a circulation system in communication with a water injection region of the pool for heating water in the pool.
  • the circulation system typically comprises a water inlet pipeline, a water pump, a heater, and a water outlet pipeline.
  • the circulation system can, therefore, maintain the temperature of water in the pool within a comfortable temperature range for the human body, and thus enables users to use the pool for a long time.
  • a motor rotor for a water pump comprises a hollow rotatable shaft having a first injection-molded part.
  • the motor rotor also includes a magnet having an axial length and being disposed circumferentially around a portion of the first injection-molded part. The portion of the first injection-molded part extends through the entire axial length of the magnet.
  • the motor rotor also includes an impeller integrally formed with the first injection-molded part, the impeller being located at an axial end of the hollow rotatable shaft.
  • the present disclosure provides exemplary embodiments of a pool circulation system, and a water pump for use within such a pool circulation system. Furthermore, the present disclosure provides exemplary embodiments of a motor rotor for a water pump.
  • the exemplary embodiments of the present disclosure are described below with reference to the drawings for illustration. It should be understood that the description about the exemplary embodiments should be considered as mere illustrations of the structures and principles of the present invention, and the present invention is not limited to the exemplary embodiments.
  • the present invention may be incorporated in any type or form of a water pump, including, but not limited to pumping devices for pools or hot tubs, or any other desired pumping device.
  • the water pump, and the motor rotor of the present disclosure includes improvements over conventional water pumps having conventional motor rotors.
  • Fig. 1 is a cross-sectional diagram of a pool circulation system, according to some embodiments of the present disclosure.
  • the pool circulation system may be used to control the temperature of the pool by circulating water through a heater.
  • the pool circulation system comprises a water pump 1, a heater 2, a water inlet pipeline 3 and a water outlet pipeline 4.
  • the pool circulation system may comprise other components, such as a filter for removing impurities from the water.
  • a filter may be arranged, for example, in the water pump 1 or between the water pump 1 and the heater 2.
  • the water inlet pipeline 3 comprises a water inlet end 31 and a water outlet end 32.
  • the water inlet end 31 is in communication with a water injection region of the pool and is provided with a one-way valve so that water can only flow from the water injection region of the pool to the water inlet pipeline 3.
  • the water outlet end 32 is in communication with a water inlet 111 of the water pump 1.
  • the water entering the heater 2 from the water inlet 21 is heated by a heating component 23 of the heater 2 and is then conveyed to the water injection region of the pool via the water outlet pipeline 4.
  • the water outlet pipeline 4 comprises a water inlet end 41 and a water outlet end 42.
  • the water inlet end 41 is in communication with the water outlet 22 of the heater 2, and the water outlet end 42 is in communication with the water injection region of the pool and is provided with a one-way valve, so that water can only flow from the water outlet pipeline 4 to the water injection region of the pool.
  • the pool circulation system may further comprise a water flow switch provided on the water inlet pipeline 3 and/or on the water outlet pipeline 4.
  • Fig. 1 shows a water flow switch 43 provided on the water outlet pipeline 4.
  • the water flow switch 43 may trigger an alarm signal when no water is in the pool circulation system to avoid or reduce damaging the heater 2, without water or no-load operation of the filter.
  • the pool circulation system further comprises a temperature sensing probe 24 provided downstream of the heating component 23 of the heater 2 to sense the temperature of the heated water.
  • the pool circulation system further comprises a temperature controller 25 provided in the heater 2.
  • the temperature controller 25 is, for example, a manually reset temperature controller, or the temperature controller 25 can be advantageously electrically connected to the temperature sensing probe 24 to control the heating temperature of the heater 2 based on the sensing result of the temperature sensing probe 24.
  • Fig. 2 is an exploded view of the water pump 1 of the pool circulation system of Fig. 1 .
  • Fig. 3 is a cross-sectional view of the water pump 1 of Fig. 2 .
  • the water pump 1 comprises a pump cover 11, a housing 12, as well as a motor rotor 13 and a motor stator mounted in the housing 12.
  • the housing 12 comprises a first chamber 121 provided with an opening 126 in a mounting end face 124 of the housing 12, and a second chamber 122 isolated from the first chamber 121 in a sealed manner by a pump wall 123.
  • a fixing rod 14 is mounted in the first chamber 121.
  • a first end 141 of the fixing rod 14 is fixed to the bottom of the first chamber 121, and a second end 142 protrudes from the opening 126 and is fixed to the pump cover 11.
  • the fixing rod 14 may be, for example, a porcelain shaft.
  • the pump cover 11 comprises a body 113 and a mounting flange 114 extending around an edge of the body 113.
  • the mounting flange 114 is adapted in shape to an outer edge of the mounting end face 124 of the housing 12, so that the mounting flange 114 can be connected to the mounting end face 124 by connecting components (e.g., screws), so that the pump cover 11 and the housing 12 are fixed to each other and confine a drainage chamber 115 through which the fixing rod 14 passes.
  • the body 113 of the pump cover 11 is provided with a water inlet 111 in communication with the water inlet pipeline 3 and a water outlet 112 in communication with the heater 2.
  • the motor rotor 13 comprises a hollow rotatable shaft 131 and an impeller 132 integrally formed with the hollow rotatable shaft 131.
  • the hollow rotatable shaft 131 is mounted in the first cavity 121 of the housing 12 by being sheathed on the fixing rod 14, and axially extends from the first chamber 121 to the drainage chamber 115 via the opening 126.
  • the impeller 132 is integrally formed at one axial end, located in the drainage chamber 115, of the hollow rotatable shaft 131 so as to drive water to flow in the drainage chamber 115.
  • the integrated motor rotor 13 of the present disclosure effectively reduces the operation noise and prolongs the service life of the water pump.
  • the motor stator is provided in the second chamber 122, and a magnetic field generated by the motor stator passes through the pump wall 123 between the first chamber 121 and the second chamber 122 to drive the motor rotor 13 by interacting with a magnet (for example, magnetic steel) within the hollow rotatable shaft 131 of the motor rotor 13.
  • a magnet for example, magnetic steel
  • the second chamber 122 should be isolated, in a sealed manner, from the first chamber 121 and the drainage chamber 115 to prevent water from entering the second chamber 122 and damaging the motor stator.
  • the motor stator comprises a winding bobbin 151 provided in the second chamber 122, a silicon steel sheet 152 provided on the winding bobbin 151, and an insulating sheet 153 provided on the silicon steel sheet 152.
  • the mounting end face 124 of the housing 12 defines an annular groove 125 which faces the mounting flange 114 of the pump cover 11.
  • the water pump 1 further comprises a seal ring 18 which is provided in the annular groove 125 and is attached to the mounting flange 114 to prevent water in the drainage chamber 115 from flowing between the mounting flange 114 and the mounting end face 124.
  • At least one reinforcing rib 116 may be provided between the body 113 of the pump cover 11 and the mounting flange 114 to increase the strength of the pump cover 11.
  • the pump cover 11 defines a recess 117 configured to receive the second end 142 of the fixing rod 14.
  • the water pump 1 comprises a sealing cap 16 which is disposed in the recess 117 and covers the second end 142 of the fixing rod 14.
  • the water pump 1 may further comprise a similar or identical sealing cap 16 at the bottom of the first chamber 121 to cover the first end 141 of the fixing rod 14.
  • the water pump 1 may further comprise a wear pad 17 which is sheathed on the fixing rod 14 and is located between the sealing cap 16 and the motor rotor 13.
  • the motor rotor 13 of the water pump 1 Four different embodiments of the motor rotor 13 of the water pump 1, according to the present disclosure, are described in conjunction with Figs. 4 to 15 .
  • the motor rotor 13 may be manufactured using secondary injection molding due to the presence of the magnet 134.
  • Fig. 4 is a perspective view of a first embodiment of the motor rotor 13 of the water pump, according to the present disclosure.
  • Fig. 5 is a cross-sectional perspective view of the motor rotor 13 of Fig. 4
  • Fig. 6 is a cross-sectional view of the motor rotor 13 of Fig. 4 .
  • the hollow rotatable shaft 131 of the motor rotor 13 comprises a first injection molded part 1311 and a second injection molded part 1312.
  • the first injection molded part 1311 has a cylindrical structure that extends circumferentially around and axially along the fixing rod 14 from the first chamber 121 of the housing 12 to the drainage chamber 115 and is integrally formed with the impeller 132.
  • the second injection molded part 1312 extends circumferentially around the first injection molded part 1311 and over a part of an axial length of the first injection molded part 1311.
  • the second injection molded part 1312 cooperates with the first injection molded part 1311 so that the magnet 134 is fixedly clamped between the first injection molded part 1311 and the second injection molded part 1312.
  • the first injection molded part 1311 is configured to extend around the fixing rod 14, substantially over the entire axial length of the hollow rotatable shaft 131.
  • the impeller 132 extends radially outwardly from an axial end of the hollow rotatable shaft 131.
  • the first injection molded part 1311 further comprises a first protrusion 13111, a second protrusion 13112, and a third protrusion 13113, which protrude from an outer wall of the first injection molded part 1311, the first protrusion 13111 being located at the bottom of the first injection molded part 1311, and the second protrusion 13112 and the third protrusion 13113 being located at a substantially axial central position of the first injection molded part 1311.
  • the magnet 134 is disposed circumferentially around a portion of the first injection molded part 1311 between the first protrusion 13111 and the second protrusion 13112, with a portion of the first injection molded part 1311 extending through an entire axial length of the magnet 134.
  • the second injection molded part 1312 extends axially from the bottom of the motor rotor 13 to the third protrusion 13113 of the first injection molded part 1311 to cover the magnet 134.
  • the second injection molded part 1312 further comprises a first fixing portion 13121 and a second fixing portion 13122, which protrude from an inner wall of the second injection molded part 1312, the first fixing portion 13121 forming the bottom of the motor rotor 13 to support the magnet 134 and the first injection molded part 1311, and the second fixing portion 13122 being clamped between the second protrusion 13112 and the third protrusion 13113 of the first injection molded part 1311, so that the second injection molded part 1312 cooperates with the first injection molded part 1311, so that the magnet 134 is fixedly clamped between the first injection molded part 1311 and the second injection molded part 1312.
  • the motor rotor 13 further comprises two shaft sleeves (for example, porcelain sleeves) which are nested between the fixing rod 14 and the hollow rotatable shaft 131 at two axial ends of the hollow rotatable shaft 131. More specifically, the motor rotor 13 comprises a first shaft sleeve 1331, which is nested between the fixing rod 14 and the first protrusion 13111 of the first injection molded part 1311 and between the fixing rod 14 and the first fixing portion 13121 of the second injection molded part 1312 at the bottom of the hollow rotatable shaft 131, and a second shaft sleeve 1332 which is nested between the fixing rod 14 and the top of the first injection molded part 1311 at the top of the hollow rotatable shaft 131.
  • first shaft sleeve 1331 which is nested between the fixing rod 14 and the first protrusion 13111 of the first injection molded part 1311 and between the fixing rod 14 and the first fixing portion 13121 of the second injection molded part 1312 at the bottom of the hollow
  • Fig. 7 is a perspective view of a second embodiment of the motor rotor 13 of the water pump, according to the present disclosure.
  • Fig. 8 is a cross-sectional perspective view of the motor rotor 13 of Fig. 7
  • Fig. 9 is a cross-sectional view of the motor rotor 13 of Fig. 7 .
  • the structures of the hollow rotatable shaft 131 and the impeller 132 of the motor rotor 13 are similar to those in the first embodiment, which will not be described here again.
  • the motor rotor 13 comprises a shaft sleeve 1333 which is nested between the fixing rod 14 and the hollow rotatable shaft 131 substantially along the entire axial length of the hollow rotatable shaft 131. That is, the shaft sleeve 1333 axially extends, around the fixing rod 14, substantially from the first fixing portion 13121 of the second injection molded part 1312 and through the impeller 132 located at the top of the first injection molded part 1311.
  • Fig. 10 is a perspective view of a third embodiment of the motor rotor 13 of the water pump, according to the present disclosure.
  • Fig. 11 is a cross-sectional perspective view of the motor rotor 13 of Fig. 10
  • Fig. 12 is a cross-sectional view of the motor rotor 13 of Fig. 10 .
  • the hollow rotatable shaft 131 of the motor rotor 13 comprises a first injection molded part 1311 and a second injection molded part 1312.
  • the first injection molded part 1311 has a cylindrical structure that extends circumferentially around and axially along the fixing rod 14 in the first chamber 121 of the housing 12.
  • the second injection molded part 1312 extends circumferentially around the first injection molded part 1311 and the fixing rod 14, from the first chamber 121 of the housing 12 to the drainage chamber 115 and is integrally formed with the impeller 132.
  • the second injection molded part 1312 cooperates with the first injection molded part 1311, so that the magnet 134 is fixedly clamped between the first injection molded part 1311 and the second injection molded part 1312.
  • the first injection molded part 1311 is configured to extend around the fixing rod 14, from a position near the bottom of the motor rotor 13.
  • the first injection molded part 1311 extends axially through an entire axial length of the magnet 134 and beyond.
  • the first injection molded part 1311 further comprises a first protrusion 13111, a second protrusion 13112 and a third protrusion 13113, which protrude from an outer wall of the first injection molded part 1311.
  • the first protrusion 13111 is located at the bottom of the first injection molded part 1311.
  • the second protrusion 13112 and the third protrusion 13113 are each located at the substantially axial central position of the hollow rotatable shaft 131, with the magnet 134 extending circumferentially around the first injection molded part 1311 and being fixed axially between the first protrusion 13111 and the second protrusion 13112.
  • the second injection molded part 1312 extends around the first injection molded part 1311, the magnet 134 and the fixing rod 14 over the entire axial length of the hollow rotatable shaft 131 to cover the magnet 134 and the first injection molded part 1311 so as to form the illustrated "stepped" structure.
  • the impeller 132 radially extends outward from an axial end of the second injection molded part 1312. The impeller 132 is thus located in the drainage chamber 115, so as to drive water to flow in the drainage chamber 115.
  • the second injection molded part 1312 further comprises a first fixing portion 13121 and a second fixing portion 13122, which protrude from an inner wall of the second injection molded part 1312, the first fixing portion 13121 forming the bottom of the motor rotor 13 to support the magnet 134 and the first injection molded part 1311, and the second fixing portion 13122 being clamped between the second protrusion 13112 and the third protrusion 13113 of the first injection molded part 1311 so that the second injection molded part 1312 cooperates with the first injection molded part 1311, so that the magnet 134 is fixedly clamped between the first injection molded part 1311 and the second injection molded part 1312.
  • the motor rotor 13 further comprises two shaft sleeves (for example, porcelain sleeves) which are nested between the fixing rod 14 and the hollow rotatable shaft 131 at two axial ends of the hollow rotatable shaft 131. More specifically, the motor rotor 13 comprises a first shaft sleeve 1331 which is nested between the fixing rod 14 and the first protrusion 13111 of the first injection molded part 1311 and between the fixing rod 14 and the first fixing portion 13121 of the second injection molded part 1312 at the bottom of the hollow rotatable shaft 131, and a second shaft sleeve 1332 which is nested between the fixing rod 14 and the top of the second injection molded part 1312 at the top of the hollow rotatable shaft 131.
  • two shaft sleeves for example, porcelain sleeves
  • Fig. 13 is a perspective view of a fourth embodiment of the motor rotor 13 of the water pump, according to the present disclosure.
  • Fig. 14 is a cross-sectional perspective view of the motor rotor 13 of Fig. 13
  • Fig. 15 is a cross-sectional view of the motor rotor 13 of Fig. 13 .
  • the structures of the hollow rotatable shaft 131 and the impeller 132 of the motor rotor 13 are similar to those in the third embodiment, which will not be described here again.
  • the motor rotor 13 comprises a shaft sleeve 1333 which is nested between the fixing rod 14 and the hollow rotatable shaft 131 substantially along the entire axial length of the hollow rotatable shaft 131. That is, the shaft sleeve 1333 extends around the fixing rod 14, substantially from the first fixing portion 13121 of the second injection molded part 1312 and through the impeller 132 located at the top of the second injection molded part 1312.
  • pool circulation system water pump, and motor rotors exemplarily disclosed herein may also be suitably practiced in the absence of any element not specifically disclosed herein or in the absence of any optional components disclosed herein.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP19215692.5A 2018-12-17 2019-12-12 Rotor de moteur pour pompe à eau, pompe à eau et système de circulation de piscine Active EP3670922B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201822114202 2018-12-17
CN201921231450.6U CN210738837U (zh) 2018-12-17 2019-08-01 用于降噪水泵的马达转子、降噪水泵及水池循环系统

Publications (2)

Publication Number Publication Date
EP3670922A1 true EP3670922A1 (fr) 2020-06-24
EP3670922B1 EP3670922B1 (fr) 2024-02-07

Family

ID=68916180

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19215692.5A Active EP3670922B1 (fr) 2018-12-17 2019-12-12 Rotor de moteur pour pompe à eau, pompe à eau et système de circulation de piscine

Country Status (1)

Country Link
EP (1) EP3670922B1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10108436A (ja) * 1996-09-27 1998-04-24 Hitachi Ltd ブラシレスモータおよびブラシレスキャンドモータポンプ
US20040061395A1 (en) * 2000-11-30 2004-04-01 Maurizio Abordi Mechanical drive system operating by magnetic force
DE102007043600A1 (de) * 2007-09-13 2009-03-19 Robert Bosch Gmbh Pumpenrotor für eine Spaltrohrpumpe
US20110116952A1 (en) * 2009-11-19 2011-05-19 Hyundai Motor Company Electric water pump
CN203476727U (zh) * 2013-08-27 2014-03-12 华纳圣龙（宁波）有限公司 汽车电子冷却水泵
US20160094099A1 (en) * 2014-09-25 2016-03-31 Magna Powertrain, Inc. Electric fluid pump with improved rotor unit, rotor unit therefor and methods of construction thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10108436A (ja) * 1996-09-27 1998-04-24 Hitachi Ltd ブラシレスモータおよびブラシレスキャンドモータポンプ
US20040061395A1 (en) * 2000-11-30 2004-04-01 Maurizio Abordi Mechanical drive system operating by magnetic force
DE102007043600A1 (de) * 2007-09-13 2009-03-19 Robert Bosch Gmbh Pumpenrotor für eine Spaltrohrpumpe
US20110116952A1 (en) * 2009-11-19 2011-05-19 Hyundai Motor Company Electric water pump
CN203476727U (zh) * 2013-08-27 2014-03-12 华纳圣龙（宁波）有限公司 汽车电子冷却水泵
US20160094099A1 (en) * 2014-09-25 2016-03-31 Magna Powertrain, Inc. Electric fluid pump with improved rotor unit, rotor unit therefor and methods of construction thereof

Also Published As

Publication number Publication date
EP3670922B1 (fr) 2024-02-07

Similar Documents

Publication Publication Date Title
US4594500A (en) Electrically heated pump for spas and swimming pools
US4750872A (en) Centrifugal pump with damped motor connection
US10302098B2 (en) Heating pump
US20120263581A1 (en) Heating pump
US5711657A (en) Centrifugal pump, particularly for fountains
US11060531B2 (en) Heating pump
CN106208455B (zh) 转子、电机、泵及清洗装置
WO2014090078A1 (fr) Pompe de vidange ca à aimant permanent
EP1212534A1 (fr) Rotor monodirectionnel destine a des electro-pompes centrifuges equipees d'un moteur synchrone a aimants permanents
US20200191164A1 (en) Motor rotor for water pump, water pump, and pool circulation system
EP3032706B1 (fr) Pompe et appareil de nettoyage
JP6381451B2 (ja) 遠心ポンプ
EP3282128A1 (fr) Moteur électrique amélioré pour un circulateur de fluide
EP3670922A1 (fr) Rotor de moteur pour pompe à eau, pompe à eau et système de circulation de piscine
US20160172914A1 (en) Rotor, motor, pump and cleaning apparatus
JP2006250066A (ja) ポンプおよびそれを備えた液体供給装置
KR20170061913A (ko) 워터펌프
CN110608173B (zh) 双流道泵与壁挂炉
US20220065265A1 (en) Electric liquid pump
JP6722440B2 (ja) 同期モータ、モータステータ、ポンプ及び洗浄装置
CN105703591B (zh) 单相电机及使用该单相电机的泵
US10859090B2 (en) Water pump
KR101793377B1 (ko) 중공 펌프
JP7373731B2 (ja) 自吸式ポンプ
JP6357766B2 (ja) 液体ポンプ

Legal Events

Date Code Title Description
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: THE APPLICATION HAS BEEN PUBLISHED

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

AX Request for extension of the european patent

Extension state: BA ME

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: 20201218

RBV Designated contracting states (corrected)

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

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

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20220113

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: 20231006

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

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

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602019046127

Country of ref document: DE

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: 20240207

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

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: 20240607