JPH041428U - - Google Patents
Info
- Publication number
- JPH041428U JPH041428U JP1990041433U JP4143390U JPH041428U JP H041428 U JPH041428 U JP H041428U JP 1990041433 U JP1990041433 U JP 1990041433U JP 4143390 U JP4143390 U JP 4143390U JP H041428 U JPH041428 U JP H041428U
- Authority
- JP
- Japan
- Prior art keywords
- magnetostrictive layer
- detection coil
- passive shaft
- bearing
- external force
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 230000035699 permeability Effects 0.000 claims 2
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/02—Rotary-transmission dynamometers
- G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
- G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
- G01L3/101—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/12—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
- G01L1/127—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress by using inductive means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Description
第1図はこの考案による歪検出器の一実施例を
示す構成図、第2図は同実施例の要部断面図、第
3図はベアリングにおけるラジアルすきまの説明
図、第4図は従来の歪検出器の構成図である。 図において、1は受動軸、2は磁歪層、4は検
出コイル、5,6はベアリング、8はスプリング
である。なお、各図中、同一符号は同一または相
当部分を示す。
示す構成図、第2図は同実施例の要部断面図、第
3図はベアリングにおけるラジアルすきまの説明
図、第4図は従来の歪検出器の構成図である。 図において、1は受動軸、2は磁歪層、4は検
出コイル、5,6はベアリング、8はスプリング
である。なお、各図中、同一符号は同一または相
当部分を示す。
Claims (1)
- 外力を受ける受動軸と、前記受動軸の表面に設
けられた高透磁率軟磁性材からなる磁歪層と、前
記磁歪層の近傍に設けられ該磁歪層に生じる前記
外力に応じた歪による透磁率の変化を検出する検
出コイルと、前記受動軸と前記検出コイルを同軸
に支持するベアリングとを備えた歪検出器におい
て、前記ベアリングを軸方向に付勢する弾性体を
設けたことを特徴とする歪検出器。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990041433U JPH041428U (ja) | 1990-04-18 | 1990-04-18 | |
| KR2019910002958U KR930003543Y1 (ko) | 1990-04-18 | 1991-03-04 | 스트레인(Strain)검출기 |
| KR2019910003684U KR930003544Y1 (ko) | 1990-04-18 | 1991-03-19 | 스트레인검출기 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990041433U JPH041428U (ja) | 1990-04-18 | 1990-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH041428U true JPH041428U (ja) | 1992-01-08 |
Family
ID=12608237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990041433U Pending JPH041428U (ja) | 1990-04-18 | 1990-04-18 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH041428U (ja) |
| KR (2) | KR930003543Y1 (ja) |
-
1990
- 1990-04-18 JP JP1990041433U patent/JPH041428U/ja active Pending
-
1991
- 1991-03-04 KR KR2019910002958U patent/KR930003543Y1/ko not_active Expired - Fee Related
- 1991-03-19 KR KR2019910003684U patent/KR930003544Y1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR910018708U (ko) | 1991-11-29 |
| KR930003543Y1 (ko) | 1993-06-19 |
| KR910018709U (ko) | 1991-11-29 |
| KR930003544Y1 (ko) | 1993-06-19 |