JPH037563U - - Google Patents
Info
- Publication number
- JPH037563U JPH037563U JP6814689U JP6814689U JPH037563U JP H037563 U JPH037563 U JP H037563U JP 6814689 U JP6814689 U JP 6814689U JP 6814689 U JP6814689 U JP 6814689U JP H037563 U JPH037563 U JP H037563U
- Authority
- JP
- Japan
- Prior art keywords
- damper
- pulley
- internal combustion
- combustion engine
- bending
- 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
- 239000011553 magnetic fluid Substances 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 1
Landscapes
- Pulleys (AREA)
Description
第１図は本考案の第１実施例に係る内燃機関の
ダンパプーリの要部断面図、第２図イないしハは
第１図の流体室内における磁性流体の変化を示す
断面図、第３図は第１図の装置におけるエンジン
回転数と弾性体（ゴム）の温度との関係を示す特
性図、第４図は第１図の装置におけるエンジン回
転数と電磁石の磁束密度との関係を示す特性図、
第５図は本考案の第２実施例に係る内燃機関のダ
ンパプーリの要部断面図、第６図は本考案の第３
実施例に係る内燃機関のダンパプーリの要部断面
図、第７図イないしハは第６図の流体室内におけ
る磁性流体の変化を示す断面図、第８図は従来の
ダンパプーリの断面図、第９図は第８図の−
線に沿う断面図、である。
２１……プーリハブ、３１……流体室、３２…
…ベンデイングダンパ、３３，３３′……ダンパ
マス、３４……弾性体、４１……電磁石、４３…
…ＣＰＵ、４４……エンジン回転センサ、Ｆ……
磁性流体。
FIG. 1 is a sectional view of a main part of a damper pulley for an internal combustion engine according to a first embodiment of the present invention, FIGS. 2A to 2C are sectional views showing changes in the magnetic fluid in the fluid chamber of FIG. Figure 4 is a characteristic diagram showing the relationship between the engine speed and the temperature of the elastic body (rubber) in the device shown in Figure 1. Figure 4 is a characteristic diagram showing the relationship between the engine speed and the magnetic flux density of the electromagnet in the device shown in Figure 1. ,
FIG. 5 is a sectional view of main parts of a damper pulley for an internal combustion engine according to a second embodiment of the present invention, and FIG. 6 is a sectional view of a main part of a damper pulley according to a third embodiment of the present invention.
7A to 7C are sectional views showing changes in the magnetic fluid in the fluid chamber of FIG. 6; FIG. 8 is a sectional view of a conventional damper pulley; FIG. The figure is -
FIG. 21...Pulley hub, 31...Fluid chamber, 32...
...Bending damper, 33, 33'... Damper mass, 34... Elastic body, 41... Electromagnet, 43...
...CPU, 44...Engine rotation sensor, F...
magnetic fluid.
Claims (1)
ンパマスと弾性体とからなるベンデイングダンパ
を取付けた内燃機関のダンパプーリにおいて、前
記プーリハブの内側に、前記ベンデイングダンパ
が配置され磁性流体が封入される流体室を設け、
外流体室の近傍に、機関の回転数に基づいて前記
磁性流体に付与する磁力を変化させる電磁石を配
置したことを特徴とする内燃機関のダンパプーリ
。 In a damper pulley for an internal combustion engine, in which a bending damper made of a damper mass and an elastic body is attached to a pulley hub fixed to the end of a crankshaft, the bending damper is arranged inside the pulley hub, and a magnetic fluid is sealed in the damper pulley. Set up a room,
A damper pulley for an internal combustion engine, characterized in that an electromagnet that changes the magnetic force applied to the magnetic fluid based on the rotational speed of the engine is arranged near an external fluid chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6814689U JPH037563U (en) | 1989-06-13 | 1989-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6814689U JPH037563U (en) | 1989-06-13 | 1989-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH037563U true JPH037563U (en) | 1991-01-24 |
Family
ID=31602333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6814689U Pending JPH037563U (en) | 1989-06-13 | 1989-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH037563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009011699A (en) * | 2007-07-09 | 2009-01-22 | Nishikawa Sangyo Kk | pillow |
-
1989
- 1989-06-13 JP JP6814689U patent/JPH037563U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009011699A (en) * | 2007-07-09 | 2009-01-22 | Nishikawa Sangyo Kk | pillow |
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