JPS63178636U - - Google Patents
Info
- Publication number
- JPS63178636U JPS63178636U JP6983287U JP6983287U JPS63178636U JP S63178636 U JPS63178636 U JP S63178636U JP 6983287 U JP6983287 U JP 6983287U JP 6983287 U JP6983287 U JP 6983287U JP S63178636 U JPS63178636 U JP S63178636U
- Authority
- JP
- Japan
- Prior art keywords
- hub
- magnetic flux
- rotating shaft
- outer periphery
- electromagnetic clutch
- 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 10
- 238000001514 detection method Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Description
第１図と第２図は第１の実施例を表わす図面で
あつて、第１図は本考案に係る電磁クラツチの回
転数検知構造を具備する斜板式圧縮機の全体を表
わす断面図、第２図は突起部の突設状態を表わす
ハブの断面図である。第３図と第４図は第２の実
施例を表わす図面であつて、第３図は斜板式圧縮
機の全体を表わす断面図、第４図は検知磁石の取
付け状態を表わすハブの断面図である。第５図は
第３の実施例を表わす図面であつて、窪み部の凹
設状態を表わすハブの断面図である。又、第６図
は従来構造を表わす図面であつて、圧縮機の回転
数検知装置を具備する斜板式圧縮機の全体を表わ
す断面図である。
１…シリンダーブロツク、１Ｆ…フロントシリ
ンダーブロツク、１Ｒ…リヤシリンダーブロツク
、２…回転軸、２′…軸孔、３…シリンダーボア
、４…斜板室、５…両頭ピストン、６…斜板、７
…圧縮室、８…シユー、１０Ｆ…フロントバルブ
プレート、１０Ｒ…リヤバルブプレート、１１Ｆ
，１１Ｒ…吸入口、１２Ｆ，１２Ｒ…吐出口、１
３Ｆ，１３Ｒ…吸入弁、１４Ｆ，１４Ｒ…吐出弁
、１５Ｆ…フロントハウジング、１５Ｆ′…ボス
部、１５Ｒ…リヤハウジング、１６…軸受け部、
１７Ｆ，１７Ｒ…吸入室、１８Ｆ，１８Ｒ…吐出
室、１９…電磁クラツチ、２０…ラジアルベアリ
ング、２１…プーリロータ、２２…ステータ、２
２Ａ…ボス部、２２Ｂ…ステータ部、２３…アー
マチユアデイスク、２４…電磁コイル、２５…ハ
ブ、２５Ａ…円筒部、２５Ｂ…円盤部、２５′…
突起部（磁束変化部）、２６…板ばね、２７…磁
気センサ、２８…永久磁石（磁束変化部）、２９
…窪み部（磁束変化部）。
1 and 2 are drawings showing a first embodiment, in which FIG. 1 is a sectional view showing the entire swash plate compressor equipped with an electromagnetic clutch rotation speed detection structure according to the present invention, and FIG. FIG. 2 is a sectional view of the hub showing the protruding state of the protrusion. Figures 3 and 4 are drawings showing the second embodiment, in which Figure 3 is a sectional view showing the entire swash plate compressor, and Figure 4 is a sectional view of the hub showing the state in which the detection magnet is installed. It is. FIG. 5 is a drawing showing the third embodiment, and is a cross-sectional view of the hub showing the recessed state. Further, FIG. 6 is a drawing showing a conventional structure, and is a sectional view showing the entire swash plate type compressor equipped with a compressor rotation speed detection device. 1...Cylinder block, 1F...Front cylinder block, 1R...Rear cylinder block, 2...Rotating shaft, 2'...Shaft hole, 3...Cylinder bore, 4...Swash plate chamber, 5...Double-ended piston, 6...Swash plate, 7
...Compression chamber, 8...Show, 10F...Front valve plate, 10R...Rear valve plate, 11F
, 11R...Suction port, 12F, 12R...Discharge port, 1
3F, 13R...Suction valve, 14F, 14R...Discharge valve, 15F...Front housing, 15F'...Boss part, 15R...Rear housing, 16...Bearing part,
17F, 17R... Suction chamber, 18F, 18R... Discharge chamber, 19... Electromagnetic clutch, 20... Radial bearing, 21... Pulley rotor, 22... Stator, 2
2A... Boss part, 22B... Stator part, 23... Armature disk, 24... Electromagnetic coil, 25... Hub, 25A... Cylindrical part, 25B... Disk part, 25'...
Projection (magnetic flux changing part), 26... Leaf spring, 27... Magnetic sensor, 28... Permanent magnet (magnetic flux changing part), 29
...Concave part (magnetic flux changing part).
Claims (1)
端にハブを軸支させ、同ハブには板ばねを介して
アーマチユアデイスクを軸方向に進退自在に連結
させる一方、上記ハウジングの一端よりハブの外
周部と対面させてボス部を突設させ、同ボス部の
外周部にはプーリロータを回転自在に支承させる
と共に、同ハウジングには上記アーマチユアデイ
スクと対向させて電磁コイルを固着させて成る電
磁クラツチにおいて、前記ハブの外周部には同ハ
ブの回転に伴つて磁束が変化する様に磁束変化部
を前記ボス部と対面させて設ける一方、ボス部の
内壁部には磁束の変化を検知する磁気センサを上
記磁束変化部の回転軌跡と対応して配設させて成
る電磁クラツチにおける圧縮機回転軸の回転数検
出構造。 (2) 上記磁束変化部はハブの外周部に突起部を
突設させる事により形成した事を特徴とする実用
新案登録請求の範囲第１項に記載の電磁クラツチ
における圧縮機回転軸の回転数検出構造。 (3) 上記磁束変化部はハブの外周部に窪み部を
凹設させる事により形成した事を特徴とする実用
新案登録請求の範囲第１項に記載の電磁クラツチ
における圧縮機回転軸の回転数検出構造。 (4) 上記磁束変化部はハブに対して永久磁石を
固着させる事により形成した事を特徴とする実用
新案登録請求の範囲第１項に記載の電磁クラツチ
における圧縮機回転軸の回転数検出構造。[Claims for Utility Model Registration] (1) A hub is pivotally supported at one end of a rotating shaft mounted on a compressor housing, and an armature disk is attached to the hub via a leaf spring so that it can move forward and backward in the axial direction. On the other hand, a boss portion is provided protruding from one end of the housing to face the outer periphery of the hub, a pulley rotor is rotatably supported on the outer periphery of the boss portion, and the armature disk is attached to the housing. In an electromagnetic clutch comprising an electromagnetic coil fixedly facing the hub, a magnetic flux changing part is provided on the outer periphery of the hub so as to face the boss part so that the magnetic flux changes as the hub rotates; A structure for detecting the rotational speed of a compressor rotating shaft in an electromagnetic clutch, wherein a magnetic sensor for detecting a change in magnetic flux is arranged on an inner wall of the part in correspondence with the rotation locus of the magnetic flux changing part. (2) The rotation speed of the compressor rotating shaft in the electromagnetic clutch according to claim 1 of the utility model registration claim, characterized in that the magnetic flux changing portion is formed by protruding a protrusion from the outer periphery of the hub. detection structure. (3) The rotation speed of the compressor rotating shaft in the electromagnetic clutch according to claim 1 of the utility model registration claim, characterized in that the magnetic flux changing portion is formed by recessing the outer periphery of the hub. detection structure. (4) The rotation speed detection structure of the compressor rotating shaft in the electromagnetic clutch according to claim 1 of the utility model registration claim, wherein the magnetic flux changing portion is formed by fixing a permanent magnet to the hub. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6983287U JPS63178636U (en) | 1987-05-11 | 1987-05-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6983287U JPS63178636U (en) | 1987-05-11 | 1987-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63178636U true JPS63178636U (en) | 1988-11-18 |
Family
ID=30910916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6983287U Pending JPS63178636U (en) | 1987-05-11 | 1987-05-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63178636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10103114A (en) * | 1996-09-30 | 1998-04-21 | Mazda Motor Corp | Rotational speed detector and valve timing detector using this rotational speed detector |
-
1987
- 1987-05-11 JP JP6983287U patent/JPS63178636U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10103114A (en) * | 1996-09-30 | 1998-04-21 | Mazda Motor Corp | Rotational speed detector and valve timing detector using this rotational speed detector |
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