JPH0244873U - - Google Patents
Info
- Publication number
- JPH0244873U JPH0244873U JP12427988U JP12427988U JPH0244873U JP H0244873 U JPH0244873 U JP H0244873U JP 12427988 U JP12427988 U JP 12427988U JP 12427988 U JP12427988 U JP 12427988U JP H0244873 U JPH0244873 U JP H0244873U
- Authority
- JP
- Japan
- Prior art keywords
- magnet rotor
- magnetic flux
- flux guide
- shaft support
- brushless
- 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
- 230000004907 flux Effects 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000000446 fuel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 1
Description
第１図及び第２図は本考案の実施例に係り、第
１図はブラシレス直流モータを燃料ポンプに用い
た場合を示す縦断面図、第２図は第１図中の一線
矢視方向断面図、第３図乃至第５図は先行技術を
示し、第３図はブラシレス直流モータを用いた燃
料ポンプを燃料タンク内に配設した状態を示す配
置図、第４図は第３図に示す燃料ポンプを示す縦
断面図、第５図はブラシレス直流モータの制御回
路の構成を示す回路図である。
６，４１……ケーシング、１３，１４，４６，
４７……軸支持部材、２２，５０……軸（回転軸
）、２６……マグネツトロータ、２７……励磁コ
イル、２８，６０……ホール素子、５９，６１…
…磁束ガイド。
1 and 2 relate to an embodiment of the present invention; FIG. 1 is a longitudinal cross-sectional view showing the case where a brushless DC motor is used in a fuel pump, and FIG. 2 is a cross-sectional view in the direction of the line arrow in FIG. 3 to 5 show the prior art, FIG. 3 is a layout diagram showing a state in which a fuel pump using a brushless DC motor is installed in a fuel tank, and FIG. 4 is shown in FIG. 3. FIG. 5 is a longitudinal sectional view showing the fuel pump, and a circuit diagram showing the configuration of the control circuit of the brushless DC motor. 6, 41...Casing, 13, 14, 46,
47... Shaft support member, 22, 50... Shaft (rotating shaft), 26... Magnetic rotor, 27... Excitation coil, 28, 60... Hall element, 59, 61...
...magnetic flux guide.
Claims (1)
ーシングと、該各軸支持部材にそれぞれ支持され
た軸と、該軸に設けられたマグネツトロータと、
該マグネツトロータの外周面側に位置して前記ケ
ーシングに取付けられた複数の励磁コイルと、前
記マグネツトロータの回転位置を検出する一又は
複数のホール素子とからなるブラシレス直流モー
タにおいて、前記ホール素子を前記マグネツトロ
ータの端面に対面させて前記各軸支持部材のうち
の一方の軸支持部材に設けたことを特徴とするブ
ラシレス直流モータ。 (2) 前記一方の軸支持部材に磁束ガイドを設け
、該磁束ガイドには前記ホール素子を前記マグネ
ツトロータの端面に対面して設け、前記マグネツ
トロータの端面には前記磁束ガイドと対をなす他
の磁束ガイドを設けてなる実用新案登録請求の範
囲第(1)項に記載のブラシレス直流モータ。[Claims for Utility Model Registration] (1) A casing equipped with a pair of shaft support members at both ends in the axial direction, a shaft supported by each of the shaft support members, and a magnetic rotor provided on the shaft,
A brushless DC motor comprising a plurality of excitation coils located on the outer peripheral surface side of the magnet rotor and attached to the casing, and one or more Hall elements for detecting the rotational position of the magnet rotor. A brushless DC motor characterized in that an element is provided on one of the shaft support members so as to face an end surface of the magnet rotor. (2) A magnetic flux guide is provided on the one shaft support member, the Hall element is provided on the magnetic flux guide facing the end surface of the magnet rotor, and a pair with the magnetic flux guide is provided on the end surface of the magnet rotor. 2. A brushless DC motor according to claim (1), which is provided with another magnetic flux guide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12427988U JPH0244873U (en) | 1988-09-22 | 1988-09-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12427988U JPH0244873U (en) | 1988-09-22 | 1988-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0244873U true JPH0244873U (en) | 1990-03-28 |
Family
ID=31373877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12427988U Pending JPH0244873U (en) | 1988-09-22 | 1988-09-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0244873U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06276719A (en) * | 1993-03-17 | 1994-09-30 | Nippon Seiko Kk | Brushless motor |
| JP2011182527A (en) * | 2010-02-26 | 2011-09-15 | Nsk Ltd | Rotational position detector, and permanent magnet synchronous motor equipped with the same |
| JP2017028932A (en) * | 2015-07-27 | 2017-02-02 | 株式会社デンソー | Dynamo-electric machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6152146A (en) * | 1984-08-20 | 1986-03-14 | Matsushita Electric Ind Co Ltd | Motor |
| JPS6176055A (en) * | 1984-09-20 | 1986-04-18 | Toshiba Corp | Rotor for brushless motor |
-
1988
- 1988-09-22 JP JP12427988U patent/JPH0244873U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6152146A (en) * | 1984-08-20 | 1986-03-14 | Matsushita Electric Ind Co Ltd | Motor |
| JPS6176055A (en) * | 1984-09-20 | 1986-04-18 | Toshiba Corp | Rotor for brushless motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06276719A (en) * | 1993-03-17 | 1994-09-30 | Nippon Seiko Kk | Brushless motor |
| JP2011182527A (en) * | 2010-02-26 | 2011-09-15 | Nsk Ltd | Rotational position detector, and permanent magnet synchronous motor equipped with the same |
| JP2017028932A (en) * | 2015-07-27 | 2017-02-02 | 株式会社デンソー | Dynamo-electric machine |