WO2023110211A1 - Elektronisch kommutierter motor sowie handwerkzeugmaschine - Google Patents
Elektronisch kommutierter motor sowie handwerkzeugmaschine Download PDFInfo
- Publication number
- WO2023110211A1 WO2023110211A1 PCT/EP2022/080482 EP2022080482W WO2023110211A1 WO 2023110211 A1 WO2023110211 A1 WO 2023110211A1 EP 2022080482 W EP2022080482 W EP 2022080482W WO 2023110211 A1 WO2023110211 A1 WO 2023110211A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stator
- rotor
- electronically commutated
- commutated motor
- rotor shaft
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims abstract description 30
- 230000005415 magnetization Effects 0.000 claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims 1
- 239000003570 air Substances 0.000 description 9
- 230000004907 flux Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 239000000969 carrier Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/085—Structural association with bearings radially supporting the rotary shaft at only one end of the rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/541—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
- H02K7/145—Hand-held machine tool
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
Definitions
- the invention relates to an electronically commutated motor with a disc-shaped rotor, which has an associated magnetization and a rotor shaft, and with an annular stator, on which a plurality of stator teeth are provided, each stator tooth being provided with a stator tooth winding which is respectively designed for this purpose to magnetically cooperate with the magnetization of the rotor, and the rotor shaft passes through the stator in the axial direction.
- the invention relates to an electronically commutated motor with a disc-shaped rotor, which has an associated magnetization and a rotor shaft, and with an annular stator, on which a plurality of stator teeth are provided, each stator tooth being provided with a stator tooth winding which is respectively designed for this purpose to magnetically cooperate with the magnetization of the rotor, and the rotor shaft passes through the stator in the axial direction.
- the rotor shaft is rotatably mounted via at least two bearings arranged directly next to one another in the axial direction of the rotor shaft on the rotor shaft.
- the at least two bearings are preferably arranged axially at least in regions within the stator or axially between the rotor and the stator.
- the magnetization of the disk-shaped rotor is preferably formed at least in regions on a first end face of a rotor base body, the first end face facing the stator teeth and an axial air gap being formed between the first end face and the stator teeth.
- the air gap results in only minor magnetic losses.
- the at least two bearings are preferably each configured as roller bearings, in particular as ball bearings or roller bearings.
- the rotor shaft preferably has a radially outwardly directed collar section for one-sided axial positional securing of at least two inner rings of the at least two bearings.
- This provides a simple, one-sided axial positional locking of the rotor on the rotor shaft.
- the stator preferably has an annular stator base body with a central opening, with a sleeve-like bearing support being accommodated in the central opening and at least two outer rings of the at least two bearings being accommodated in a through-opening in the bearing support, with the stator base body forming a magnetic stator yoke.
- a second end of the rotor shaft preferably has at least one signal transmitter for detecting the position of the rotor in relation to the stator and/or an output gear.
- the electronically commutated motor is designed without a housing.
- the invention relates to a hand-held power tool with at least one electronically commutated motor as described above.
- a hand-held power tool can be provided with a small overall axial length and at the same time a high output torque.
- a suitable hand tool can be provided easily and without complications.
- FIG. 3 is a detailed perspective view of a rotor of the electronically commutated motor of FIG.
- the winding supports as well as the winding support T2 shown here as a representative for all the others each have a through-opening which is shaped in each case to complement the cross-sectional geometry of the legs Si .6 of the stator teeth Zi .6, for example in the form of a sector of a circular ring, in such a way that the winding supports can be slightly press-fit or ""sucking" on the respectively assigned leg Si .6 of the stator teeth Zi .6 pushed or put on, as indicated by the arrow 310.
- Fig. 2 is only a through hole 302 of the winding carrier T2 as a representative of all the other, identically designed through-openings of the remaining winding carriers, which are not shown.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202280083405.9A CN118402164A (zh) | 2021-12-17 | 2022-11-02 | 电子换向马达和手持式工具机 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102021214612.0A DE102021214612A1 (de) | 2021-12-17 | 2021-12-17 | Elektronisch kommutierter Motor sowie Handwerkzeugmaschine |
DE102021214612.0 | 2021-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023110211A1 true WO2023110211A1 (de) | 2023-06-22 |
Family
ID=84361731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2022/080482 WO2023110211A1 (de) | 2021-12-17 | 2022-11-02 | Elektronisch kommutierter motor sowie handwerkzeugmaschine |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN118402164A (de) |
DE (1) | DE102021214612A1 (de) |
WO (1) | WO2023110211A1 (de) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006032144A1 (de) * | 2005-07-26 | 2007-02-01 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Anordnung zur Erfassung der Rotorstellung in einem Elektromotor |
WO2011119574A1 (en) * | 2010-03-22 | 2011-09-29 | Regal Beloit Corporation | Axial flux electric machine and methods of assembling the same |
EP2651014A2 (de) * | 2012-04-13 | 2013-10-16 | Regal Beloit America, Inc. | Axiales lastverteilendes Lagersystem und zugehöriges Verwendungsverfahren |
DE102013207300A1 (de) * | 2013-04-23 | 2014-10-23 | Robert Bosch Gmbh | Elektromotor mit einem Stator und einem Rotor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012216496A1 (de) | 2012-09-17 | 2014-03-20 | Robert Bosch Gmbh | Handwerkzeugmaschine |
GB2538526B (en) | 2015-05-19 | 2021-05-26 | Yasa Ltd | Axial flux machine |
DE102019216853A1 (de) | 2019-10-31 | 2021-05-06 | Robert Bosch Gmbh | Axialflussmaschine für ein elektrisches Bearbeitungsgerät sowie elektrisches Bearbeitungsgerät mit einer Axialflussmaschine |
-
2021
- 2021-12-17 DE DE102021214612.0A patent/DE102021214612A1/de active Pending
-
2022
- 2022-11-02 CN CN202280083405.9A patent/CN118402164A/zh active Pending
- 2022-11-02 WO PCT/EP2022/080482 patent/WO2023110211A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006032144A1 (de) * | 2005-07-26 | 2007-02-01 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Anordnung zur Erfassung der Rotorstellung in einem Elektromotor |
WO2011119574A1 (en) * | 2010-03-22 | 2011-09-29 | Regal Beloit Corporation | Axial flux electric machine and methods of assembling the same |
EP2651014A2 (de) * | 2012-04-13 | 2013-10-16 | Regal Beloit America, Inc. | Axiales lastverteilendes Lagersystem und zugehöriges Verwendungsverfahren |
DE102013207300A1 (de) * | 2013-04-23 | 2014-10-23 | Robert Bosch Gmbh | Elektromotor mit einem Stator und einem Rotor |
Also Published As
Publication number | Publication date |
---|---|
DE102021214612A1 (de) | 2023-06-22 |
CN118402164A (zh) | 2024-07-26 |
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