JPH0233590U - - Google Patents
Info
- Publication number
- JPH0233590U JPH0233590U JP11234788U JP11234788U JPH0233590U JP H0233590 U JPH0233590 U JP H0233590U JP 11234788 U JP11234788 U JP 11234788U JP 11234788 U JP11234788 U JP 11234788U JP H0233590 U JPH0233590 U JP H0233590U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- thickness direction
- magnetic
- rotor magnet
- stepping motor
- 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.)
- Pending
Links
- 239000000696 magnetic material Substances 0.000 claims 3
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Motor Or Generator Frames (AREA)
Description
第１図ａは本考案の実施例１に用いるケース蓋
の要部断面図、第１図ｂは同上に用いるケース蓋
の展開図、第２図ａは本考案の実施例２の要部平
面図、第２図ｂは同図ａのＸ―Ｘ線断面図、第２
図ｃは同図ａのＹ―Ｙ線断面図、第２図ｄは同図
ａのＺ―Ｚ線断面図、第３図は同上の要部断面図
、第４図は本考案に係るステツプモータを示す断
面図、第５図は同上の分解斜視図、第６図ａ，ｂ
はそれぞれ従来の磁極リングを示す平面図と側面
図、第７図ａ，ｂはそれぞれ従来のケース蓋を示
す平面図と側面図、第８図は従来例における磁極
リングとケース蓋とを結合した状態を示す断面図
である。
１０…回転子、１１…回転子磁石、２０…固定
子、２１…ステータコイル、２２…磁極片、３０
…ハウジング、３１…ケース本体、３２…ケース
蓋。
Figure 1a is a sectional view of the main part of the case lid used in the first embodiment of the present invention, Figure 1b is a developed view of the case lid used in the above, and Figure 2a is a plan view of the main part of the second embodiment of the present invention. Figure 2b is a sectional view taken along line X--X of figure a,
Figure c is a sectional view taken along the line Y--Y of Figure a, Figure 2 d is a sectional view taken along the Z-Z line of Figure a, Figure 3 is a sectional view of the main parts of the same, and Figure 4 is a step according to the present invention. A sectional view showing the motor, Figure 5 is an exploded perspective view of the same as above, Figures 6a and b
7A and 7B are plan views and side views respectively showing a conventional magnetic pole ring, FIG. 7A and FIG. It is a sectional view showing a state. DESCRIPTION OF SYMBOLS 10... Rotor, 11... Rotor magnet, 20... Stator, 21... Stator coil, 22... Magnetic pole piece, 30
...Housing, 31...Case body, 32...Case lid.
Claims (1)
なるように着磁された複数の磁極を回転方向に配
列した回転子磁石と、複数個のステータコイルの
各一方の磁極を回転子磁石の厚み方向の一面に対
向させる形で回転方向に離間して配列するととも
に複数個の磁極片を回転子磁石の厚み方向の他面
に対向させる形で回転方向に離間して配列した固
定子とを備えたステツピングモータにおいて、ハ
ウジングは一面が開口する有底筒状に形成されス
テータコイルの上記他方の磁極が底板に磁気結合
されるケース本体と、ケース本体の開口面を閉塞
するように被嵌された磁性体のケース蓋とで形成
され、ケース蓋の周縁にはケース蓋の厚み方向に
重複する形で上記磁極片が一体に突設されて成る
ステツピングモータ。 (2) 円板状に形成され厚み方向の両面が異極と
なるように着磁された複数の磁極を回転方向に配
列した回転子磁石と、複数個のステータコイルの
各一方の磁極を回転子磁石の厚み方向の一面に対
向させる形で回転方向に離間して配列するととも
に複数個の磁極片を回転子磁石の厚み方向の他面
に対向させる形で回転方向に離間して配列した固
定子とを備え、ステータコイルの他方の磁極と磁
極片とが磁性体よりなるハウジングを介して磁気
的に結合されたステツピングモータにおいて、ハ
ウジングは一面が開口する有底筒状に形成されス
テータコイルの上記他方の磁極が底板に磁気結合
されるケース本体と、ケース本体の開口面を閉塞
するように被嵌された磁性体のケース蓋とで形成
され、ケース蓋の要所には回転子磁石に向かつて
打ち出された形で上記磁極片が突設されて成るス
テツピングモータ。[Claims for Utility Model Registration] (1) A rotor magnet in which a plurality of magnetic poles formed in a disc shape and magnetized so that both sides in the thickness direction have different polarities arranged in the rotation direction, and a plurality of stators The magnetic poles on each side of the coil are arranged spaced apart in the rotational direction so as to face one surface in the thickness direction of the rotor magnet, and the plurality of magnetic pole pieces are rotated in such a manner that they face the other surface in the thickness direction of the rotor magnet. In a stepping motor, the housing includes a case main body, which is formed into a bottomed cylindrical shape with one side open, and the other magnetic pole of the stator coil is magnetically coupled to the bottom plate; It is formed by a case lid made of a magnetic material that is fitted so as to close the opening surface of the main body, and the above-mentioned magnetic pole piece is integrally provided on the periphery of the case lid so as to overlap in the thickness direction of the case lid. stepping motor. (2) Rotating a rotor magnet in which a plurality of magnetic poles formed in a disk shape and magnetized so that both sides in the thickness direction have different polarities are arranged in the rotation direction, and one magnetic pole of each of the plurality of stator coils. A fixing device in which a plurality of magnetic pole pieces are arranged so as to face one surface in the thickness direction of the child magnet and spaced apart in the rotation direction, and a plurality of magnetic pole pieces are arranged so as to face the other surface in the thickness direction of the rotor magnet, spaced apart in the rotation direction. In a stepping motor, the other magnetic pole of the stator coil and the magnetic pole piece are magnetically coupled via a housing made of a magnetic material, and the housing is formed into a bottomed cylindrical shape with one side open. The other magnetic pole is magnetically coupled to the bottom plate, and the case lid is made of a magnetic material that is fitted to close the opening surface of the case body. A stepping motor in which the magnetic pole pieces are provided in a protruding manner in a manner that they are punched out toward the opposite direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11234788U JPH0233590U (en) | 1988-08-26 | 1988-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11234788U JPH0233590U (en) | 1988-08-26 | 1988-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0233590U true JPH0233590U (en) | 1990-03-02 |
Family
ID=31351206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11234788U Pending JPH0233590U (en) | 1988-08-26 | 1988-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0233590U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012205349A (en) * | 2011-03-24 | 2012-10-22 | Ntn Corp | Rotary drive device and centrifugal pump device using the same |
| US9556873B2 (en) | 2013-02-27 | 2017-01-31 | Tc1 Llc | Startup sequence for centrifugal pump with levitated impeller |
| US9623161B2 (en) | 2014-08-26 | 2017-04-18 | Tc1 Llc | Blood pump and method of suction detection |
| US9638202B2 (en) | 2010-09-14 | 2017-05-02 | Tc1 Llc | Centrifugal pump apparatus |
| US9709061B2 (en) | 2013-01-24 | 2017-07-18 | Tc1 Llc | Impeller position compensation using field oriented control |
| US9850906B2 (en) | 2011-03-28 | 2017-12-26 | Tc1 Llc | Rotation drive device and centrifugal pump apparatus employing same |
| US10052420B2 (en) | 2013-04-30 | 2018-08-21 | Tc1 Llc | Heart beat identification and pump speed synchronization |
| US10117983B2 (en) | 2015-11-16 | 2018-11-06 | Tc1 Llc | Pressure/flow characteristic modification of a centrifugal pump in a ventricular assist device |
| US10245361B2 (en) | 2015-02-13 | 2019-04-02 | Tc1 Llc | Impeller suspension mechanism for heart pump |
| US10371152B2 (en) | 2015-02-12 | 2019-08-06 | Tc1 Llc | Alternating pump gaps |
| US10506935B2 (en) | 2015-02-11 | 2019-12-17 | Tc1 Llc | Heart beat identification and pump speed synchronization |
| US11724097B2 (en) | 2015-02-12 | 2023-08-15 | Tc1 Llc | System and method for controlling the position of a levitated rotor |
-
1988
- 1988-08-26 JP JP11234788U patent/JPH0233590U/ja active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9638202B2 (en) | 2010-09-14 | 2017-05-02 | Tc1 Llc | Centrifugal pump apparatus |
| JP2012205349A (en) * | 2011-03-24 | 2012-10-22 | Ntn Corp | Rotary drive device and centrifugal pump device using the same |
| US9850906B2 (en) | 2011-03-28 | 2017-12-26 | Tc1 Llc | Rotation drive device and centrifugal pump apparatus employing same |
| US9709061B2 (en) | 2013-01-24 | 2017-07-18 | Tc1 Llc | Impeller position compensation using field oriented control |
| US9556873B2 (en) | 2013-02-27 | 2017-01-31 | Tc1 Llc | Startup sequence for centrifugal pump with levitated impeller |
| US10052420B2 (en) | 2013-04-30 | 2018-08-21 | Tc1 Llc | Heart beat identification and pump speed synchronization |
| US9623161B2 (en) | 2014-08-26 | 2017-04-18 | Tc1 Llc | Blood pump and method of suction detection |
| US11712167B2 (en) | 2015-02-11 | 2023-08-01 | Tc1 Llc | Heart beat identification and pump speed synchronization |
| US10506935B2 (en) | 2015-02-11 | 2019-12-17 | Tc1 Llc | Heart beat identification and pump speed synchronization |
| US10856748B2 (en) | 2015-02-11 | 2020-12-08 | Tc1 Llc | Heart beat identification and pump speed synchronization |
| US11781551B2 (en) | 2015-02-12 | 2023-10-10 | Tc1 Llc | Alternating pump gaps |
| US10371152B2 (en) | 2015-02-12 | 2019-08-06 | Tc1 Llc | Alternating pump gaps |
| US11724097B2 (en) | 2015-02-12 | 2023-08-15 | Tc1 Llc | System and method for controlling the position of a levitated rotor |
| US11015605B2 (en) | 2015-02-12 | 2021-05-25 | Tc1 Llc | Alternating pump gaps |
| US10245361B2 (en) | 2015-02-13 | 2019-04-02 | Tc1 Llc | Impeller suspension mechanism for heart pump |
| US11639722B2 (en) | 2015-11-16 | 2023-05-02 | Tc1 Llc | Pressure/flow characteristic modification of a centrifugal pump in a ventricular assist device |
| US10888645B2 (en) | 2015-11-16 | 2021-01-12 | Tc1 Llc | Pressure/flow characteristic modification of a centrifugal pump in a ventricular assist device |
| US10117983B2 (en) | 2015-11-16 | 2018-11-06 | Tc1 Llc | Pressure/flow characteristic modification of a centrifugal pump in a ventricular assist device |
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