JPS63156075U - - Google Patents

Info

Publication number
JPS63156075U
JPS63156075U JP1987049444U JP4944487U JPS63156075U JP S63156075 U JPS63156075 U JP S63156075U JP 1987049444 U JP1987049444 U JP 1987049444U JP 4944487 U JP4944487 U JP 4944487U JP S63156075 U JPS63156075 U JP S63156075U
Authority
JP
Japan
Prior art keywords
permanent magnets
axle
magnetic
holder
elements
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
Application number
JP1987049444U
Other languages
English (en)
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
Application filed filed Critical
Priority to JP1987049444U priority Critical patent/JPS63156075U/ja
Priority to US07/173,203 priority patent/US4845428A/en
Priority to CA000562874A priority patent/CA1316707C/en
Publication of JPS63156075U publication Critical patent/JPS63156075U/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/487—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Description

【図面の簡単な説明】
第１図ａは本考案における永久磁石の個数に対
する磁気検知素子の個数（最低数）を示す説明図
、第１図ｂは一実施例の説明図、第１図ｃは同実
施例の出力パルス説明図、第２図ａおよび同ｂは
従来例の説明図である。 ＡＸ……車軸、Ｍ……永久磁石、Ｈ……ホルダ
ー、ＧＳ（Ｓ１〜Ｓ８）……磁気検知素子、Ａ…
…隙間、Ｂ……周方向巾、Ｃ……中心間距離、Ｐ
……取付ピツチ。

Claims (1)

  1. 【実用新案登録請求の範囲】 鉄道車両の車軸の外周に７個乃至１７個の永久
    磁石をほぼ一定の取付ピツチで配列固定し、その
    隣合う永久磁石間の隙間が永久磁石の周方向巾よ
    りも大きく設定され、車軸に対向する車体側にホ
    ルダーを固定し、このホルダーに磁気検知素子を
    車軸に向けて保持させたブレーキ性能試験用回転
    検出装置において、 前記永久磁石が７個のときの磁石検知素子を９
    個以上とし、さらに永久磁石の個数を増すに従つ
    て磁気検知素子の最低数を減じると共に、永久磁
    石が１７個のときの磁気検知素子を４個以上とし
    、且つ、これら磁気検知素子をホルダーに周方向
    にほぼ等間隔で配列保持させると共に、その両端
    の磁気検知素子の中心間距離を上記取付ピツチよ
    りも小さくしたことを特徴とするブレーキ性能試
    験用回転検出装置。
JP1987049444U 1987-03-31 1987-03-31 Pending JPS63156075U (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1987049444U JPS63156075U (ja) 1987-03-31 1987-03-31
US07/173,203 US4845428A (en) 1987-03-31 1988-03-25 Magnetic rotational detecting arrangement for sensing the speed of a railway vehicle
CA000562874A CA1316707C (en) 1987-03-31 1988-03-30 Magnetic rotational detecting arrangement for sensing the speed of a railway vehicule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987049444U JPS63156075U (ja) 1987-03-31 1987-03-31

Publications (1)

Publication Number Publication Date
JPS63156075U true JPS63156075U (ja) 1988-10-13

Family

ID=12831297

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987049444U Pending JPS63156075U (ja) 1987-03-31 1987-03-31

Country Status (3)

Country Link
US (1) US4845428A (ja)
JP (1) JPS63156075U (ja)
CA (1) CA1316707C (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4117534A1 (de) * 1991-05-29 1992-12-03 Thomas Krenzin Messeinrichtung fuer kraftfahrzeuge
JP3649750B2 (ja) * 1993-04-06 2005-05-18 ナブテスコ株式会社 速度センサの取付装置
US20060174721A1 (en) * 2002-12-17 2006-08-10 Excel Precision Corporation Digital scale for linear or rotary stage
US7548819B2 (en) 2004-02-27 2009-06-16 Ultra Electronics Limited Signal measurement and processing method and apparatus
US20100301846A1 (en) * 2009-06-01 2010-12-02 Magna-Lastic Devices, Inc. Magnetic speed sensor and method of making the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4991685A (ja) * 1972-12-30 1974-09-02
JPS5979858A (ja) * 1982-10-30 1984-05-09 Nippon Denso Co Ltd 回転検出装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742243A (en) * 1971-09-27 1973-06-26 Veeder Industries Inc Pulse generator
US4024458A (en) * 1976-06-15 1977-05-17 General Motors Corporation Electrical signal generating system
JPS596445A (ja) * 1982-07-01 1984-01-13 Nissan Motor Co Ltd 緩衝器
US4629982A (en) * 1983-07-01 1986-12-16 Transducer Systems, Inc. Apparatus for detecting motion and direction using magnetoresistive sensors producing sum and difference signals

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4991685A (ja) * 1972-12-30 1974-09-02
JPS5979858A (ja) * 1982-10-30 1984-05-09 Nippon Denso Co Ltd 回転検出装置

Also Published As

Publication number Publication date
US4845428A (en) 1989-07-04
CA1316707C (en) 1993-04-27

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