JPS5713902A - Friction type current collector at low speed running combind with induction current collector at high speed running used by electric vehicle of rapid-transit railway - Google Patents
Friction type current collector at low speed running combind with induction current collector at high speed running used by electric vehicle of rapid-transit railwayInfo
- Publication number
- JPS5713902A JPS5713902A JP8550280A JP8550280A JPS5713902A JP S5713902 A JPS5713902 A JP S5713902A JP 8550280 A JP8550280 A JP 8550280A JP 8550280 A JP8550280 A JP 8550280A JP S5713902 A JPS5713902 A JP S5713902A
- Authority
- JP
- Japan
- Prior art keywords
- current collector
- current
- friction
- speed running
- high speed
- 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.)
- Granted
Links
Abstract
PURPOSE: To avoid wear of a friction current collector at a high speed travelling by performing current collection from the friction collector at the slow speed range of a vehicle while an induction current collection is performed from the rail side winding at the high speed range.
CONSTITUTION: At the low speed travelling, current collection is performed with a friction current collector 16 contacting the current feeding sheet 1. A permanent magnet 15 combined with a friction current collector 16 composes magnet poles different in the polarity from each other at the end facing a power feeding sheet 1 of a yoke 14 and generates a eddy current in the power feeding sheet 1 following the travelling of the vehicle. As the travelling speed reaches the limit of the friction current collection, the friction current collector 16 separates from the power feeding sheet due to interaction with a magnetic field based on the eddy current. At the high speed travelling, a current is produced in a strand 12 when it crosses a magnetic line of force generated by the winding 17 of the rail.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8550280A JPS5713902A (en) | 1980-06-24 | 1980-06-24 | Friction type current collector at low speed running combind with induction current collector at high speed running used by electric vehicle of rapid-transit railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8550280A JPS5713902A (en) | 1980-06-24 | 1980-06-24 | Friction type current collector at low speed running combind with induction current collector at high speed running used by electric vehicle of rapid-transit railway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5713902A true JPS5713902A (en) | 1982-01-25 |
| JPS6243402B2 JPS6243402B2 (en) | 1987-09-14 |
Family
ID=13860702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8550280A Granted JPS5713902A (en) | 1980-06-24 | 1980-06-24 | Friction type current collector at low speed running combind with induction current collector at high speed running used by electric vehicle of rapid-transit railway |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5713902A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58184967A (en) * | 1982-04-23 | 1983-10-28 | Ricoh Co Ltd | Preventing method of duplication of confidential document |
| JPS59135451A (en) * | 1983-01-24 | 1984-08-03 | Ricoh Co Ltd | Method for preventing confidential document from copy |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0633311U (en) * | 1992-09-30 | 1994-04-28 | 日野自動車工業株式会社 | Vehicle lamp |
-
1980
- 1980-06-24 JP JP8550280A patent/JPS5713902A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58184967A (en) * | 1982-04-23 | 1983-10-28 | Ricoh Co Ltd | Preventing method of duplication of confidential document |
| JPS59135451A (en) * | 1983-01-24 | 1984-08-03 | Ricoh Co Ltd | Method for preventing confidential document from copy |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6243402B2 (en) | 1987-09-14 |
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