JPH037564U - - Google Patents
Info
- Publication number
- JPH037564U JPH037564U JP6814789U JP6814789U JPH037564U JP H037564 U JPH037564 U JP H037564U JP 6814789 U JP6814789 U JP 6814789U JP 6814789 U JP6814789 U JP 6814789U JP H037564 U JPH037564 U JP H037564U
- Authority
- JP
- Japan
- Prior art keywords
- pulley
- sealed space
- damper
- circumferential surface
- damper mass
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 239000013013 elastic material Substances 0.000 claims 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect 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
ダンパプーリの縦断面図、第２図は第１図の−
線に沿う横断面図、第３図は第１図の装置の密
閉空間およびダンパマス部の外略側面図、第４図
は第３図の装置の縦断面図、第５図は第３図の装
置において隔壁がない場合の概略側面図、第６図
は第５図の装置の縦断面図、第７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横断面
図、第８図は第７図の装置の減衰力特性図、第９
図は従来のデユアルモードダンパの縦断面図、で
ある。
１１……プーリハブ、１１ａ……内壁面、１２
……弾性体（トーシヨナルダンパ用）、１４……
ダンパマス（トーシヨナルダンパ用）、１５……
プーリ軸、１６……密閉空間、１７……密閉板、
１８……弾性体、１９……ダンパマス、２０……
粘性流体、２１ａ，２１ｂ……環状隙間、２２ａ
，２２ｂ，３１ａ，３１ｂ……隔壁、２３……隙
間。
FIG. 1 is a vertical sectional view of a damper pulley for an internal combustion engine according to a first embodiment of the present invention, and FIG.
3 is a schematic side view of the closed space and damper mass portion of the device shown in FIG. 1, FIG. 4 is a vertical sectional view of the device shown in FIG. 3, and FIG. 6 is a longitudinal cross-sectional view of the device shown in FIG. 5; FIG. 7 is a cross-sectional view of a damper pulley for an internal combustion engine according to a second embodiment of the present invention; FIG. 8 is a schematic side view of the device without a partition; is the damping force characteristic diagram of the device in Fig. 7, and Fig. 9
The figure is a longitudinal sectional view of a conventional dual mode damper. 11...Pulley hub, 11a...Inner wall surface, 12
...Elastic body (for torsional damper), 14...
Damper mass (for torsional damper), 15...
Pulley shaft, 16... sealed space, 17... sealed plate,
18...Elastic body, 19...Damp mass, 20...
Viscous fluid, 21a, 21b... annular gap, 22a
, 22b, 31a, 31b... partition wall, 23... gap.
Claims (1)
ブ内に、プーリ軸を中心に環状に延びる密閉空間
を形成し、該密閉空間内に、プーリハブに弾性体
を介してプーリ軸に沿う方向に連結されたダンパ
マスを設けるとともに、粘性流体を封入し、前記
密閉空間を画成するプーリハブの内壁面とダンパ
マスの内周面および外周面のそれぞれとの間に環
状隙間の少なくとも一方に、該環状隙間を周方向
に複数に区画する、弾性体からなる隔壁を設けた
ことを特徴とする内燃機関のダンパプーリ。 A sealed space extending annularly around the pulley shaft is formed in the pulley hub fixed to the end of the crankshaft, and within the sealed space, a damper mass is connected to the pulley hub in a direction along the pulley shaft via an elastic body. and a viscous fluid is enclosed in at least one of the annular gaps between the inner wall surface of the pulley hub defining the sealed space and the inner circumferential surface and the outer circumferential surface of the damper mass. A damper pulley for an internal combustion engine, characterized in that it is provided with a partition wall made of an elastic material that is partitioned into a plurality of sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6814789U JPH037564U (en) | 1989-06-13 | 1989-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6814789U JPH037564U (en) | 1989-06-13 | 1989-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH037564U true JPH037564U (en) | 1991-01-24 |
Family
ID=31602335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6814789U Pending JPH037564U (en) | 1989-06-13 | 1989-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH037564U (en) |
-
1989
- 1989-06-13 JP JP6814789U patent/JPH037564U/ja active Pending