JPH0477041U - - Google Patents
Info
- Publication number
- JPH0477041U JPH0477041U JP12167690U JP12167690U JPH0477041U JP H0477041 U JPH0477041 U JP H0477041U JP 12167690 U JP12167690 U JP 12167690U JP 12167690 U JP12167690 U JP 12167690U JP H0477041 U JPH0477041 U JP H0477041U
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- liquid
- orifice
- diaphragm
- air chamber
- 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
- 239000007788 liquid Substances 0.000 claims description 23
- 238000005192 partition Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims 9
- 238000013016 damping Methods 0.000 claims 3
- 239000013013 elastic material Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Combined Devices Of Dampers And Springs (AREA)
Description
第１図は本考案の１実施例を示す縦断面図、第
２図はダイヤフラムによる空気室に真空圧を導入
した場合のダイヤフラム状態を示す部分断面図、
第３図ａ，ｂはそれぞれ空気室に大気圧を導入し
た場合と真空圧を導入した場合の周波数と動的ば
ね定数およびロスフアクタの関係を示す線図、第
４図は大気圧および真空圧の切替えを行なわない
で２つの周波数域にロスフアクタのピークをもた
せた場合の周波数と動的ばね定数およびロスフア
クタとの関係を例示する線図、第５図は他の実施
例を示す縦断面図、第６図は同上の空気室に真空
圧を導入した場合のダイヤフラムの状態を示す部
分断面図、第７図は更に他の実施例を示す縦断面
図、第８図は断面積の小さいオリフイスに連なる
補償液室側の空気室に大気圧または真空圧を選択
的に導入できるようにした場合の実施例を示す縦
断面図である。
１……防振基体、２……作動液室、６……仕切
部材、７……第１のオリフイス、８……ダイヤフ
ラム、９……第１の補償液室、１０……空気室、
１１……第２のオリフイス、１２……オリフイス
構成部材、１３……第２の補償液室、１４，１４
′……ダイヤフラム、１５……貫通孔、１７……
空気室、１７ａ，１７ｂ……小空気室、１９……
通気路、２０……吸引手段、２４……袋。
FIG. 1 is a longitudinal sectional view showing one embodiment of the present invention, and FIG. 2 is a partial sectional view showing the state of the diaphragm when vacuum pressure is introduced into the air chamber by the diaphragm.
Figures 3a and b are diagrams showing the relationship between frequency, dynamic spring constant, and loss factor when atmospheric pressure and vacuum pressure are introduced into the air chamber, respectively, and Figure 4 shows the relationship between atmospheric pressure and vacuum pressure. Figure 5 is a diagram illustrating the relationship between frequency, dynamic spring constant, and loss factor when the loss factor peaks in two frequency ranges without switching; Figure 5 is a longitudinal sectional view showing another embodiment; Figure 6 is a partial sectional view showing the state of the diaphragm when vacuum pressure is introduced into the same air chamber as above, Figure 7 is a longitudinal sectional view showing still another embodiment, and Figure 8 is connected to an orifice with a small cross-sectional area. FIG. 6 is a longitudinal sectional view showing an embodiment in which atmospheric pressure or vacuum pressure can be selectively introduced into the air chamber on the compensating liquid chamber side. DESCRIPTION OF SYMBOLS 1... Vibration-proof base, 2... Working liquid chamber, 6... Partition member, 7... First orifice, 8... Diaphragm, 9... First compensation liquid chamber, 10... Air chamber,
11... Second orifice, 12... Orifice component, 13... Second compensation liquid chamber, 14, 14
'...Diaphragm, 15...Through hole, 17...
Air chamber, 17a, 17b...Small air chamber, 19...
Ventilation path, 20... suction means, 24... bag.
Claims (1)
の一部が形成された作動液室と、作動液室との間
が仕切部材により仕切られるととともに、この仕
切部材に設けられた第１のオリフイスを介して作
動液室と連通しかつ少なくとも一部が第１の空気
室と液体部分を隔するダイヤフラムよりなる第１
の補償液室と、これとは別に第２のオリフイスを
介して作動液室と連通しかつ少なくとも一部が第
２の空気室と液体部分を隔するダイヤフラムより
なる第２の補償液室と、を備えた液体封入式防振
装置であつて、 前記第１と第２のオリフイスの断面積を異にし
、断面積の大きいオリフイスに連なる補償液室の
ダイヤフラムに接する空気室を、大気圧と真空圧
源のいずれかに選択的に切換接続可能に構成し、
他方の空気室を外気と連通させたことを特徴とす
る液体封入式防振装置。 ２ 請求項１に記載の液体封入式防振装置におい
て、第２の補償液室の液体部分と第２空気室とを
隔するダイヤフラムに代えて、仕切部材の中央開
口部にゴム袋を補償液室の一部を形成するように
装入し、このゴム袋内部を第２の空気室として形
成してなることを特徴とする液体封入式防振装置
。 ３ ゴム等の弾性体よりなる防振基体により室壁
の一部が形成された作動液室と、作動液室との間
が仕切部材により仕切られるととともに、この仕
切部材に設けられた第１のオリフイスを介して作
動液室と連通しかつ少なくとも一部が第１の空気
室と液体部分を隔するダイヤフラムよりなる第１
の補償液室と、これとは別に第２のオリフイスを
介して作動液室と連通しかつ少なくとも一部が第
２の空気室と液体部分を隔するダイヤフラムより
なる第２の補償液室とを備えた液体封入式防振装
置であつて、 前記第１と第２のオリフイスの断面積を異にし
、断面積の小さいオリフイスに連なる補償液室の
ダイヤフラムに接する空気室を、大気圧と真空圧
源のいずれかに選択的に切換接続可能に構成し、
他方の空気室を外気と連通させたことを特徴とす
る液体封入式防振装置。 ４ 請求項１〜３のいずれか１項に記載の液体封
入式防振装置において、第２の補償液室は仕切部
材の作動液室側に第２のオリフイスを形成する部
材が装着されて作動液室と画成され、この第２の
補償液室に連なる第２のオリフイスの断面積が第
１のオリフイスの断面積よりも大きく形成された
液体封入式防振装置。[Claims for Utility Model Registration] 1. A hydraulic fluid chamber whose chamber wall is partially formed by a vibration-proofing base made of an elastic material such as rubber, and a hydraulic fluid chamber are partitioned by a partition member, and this A first diaphragm that communicates with the hydraulic fluid chamber through a first orifice provided in the partition member and at least partially includes a diaphragm that separates the first air chamber from the liquid portion.
a second compensating fluid chamber, which separately communicates with the hydraulic fluid chamber via a second orifice and comprises a diaphragm at least partially separating the second air chamber and the liquid portion; The first and second orifices have different cross-sectional areas, and the air chamber in contact with the diaphragm of the compensating liquid chamber connected to the orifice having a large cross-sectional area is controlled between atmospheric pressure and vacuum. It is configured so that it can be selectively connected to one of the pressure sources,
A liquid-filled vibration isolator characterized in that the other air chamber is communicated with outside air. 2. In the liquid-filled vibration damping device according to claim 1, instead of the diaphragm that separates the liquid portion of the second compensation liquid chamber from the second air chamber, a rubber bag is installed in the central opening of the partition member to fill the compensation liquid. A liquid-filled vibration damping device characterized in that the rubber bag is charged so as to form a part of a chamber, and the inside of the rubber bag is formed as a second air chamber. 3 A partition member separates the hydraulic fluid chamber from which a part of the chamber wall is formed by a vibration isolating base made of an elastic material such as rubber, and a first a first air chamber communicating with the hydraulic fluid chamber through an orifice and comprising a diaphragm at least in part separating the first air chamber and the liquid portion;
and a second compensating fluid chamber which is in communication with the hydraulic fluid chamber through a second orifice and which is at least partially formed by a diaphragm separating the second air chamber and the liquid portion. A liquid-filled vibration isolator comprising: the first and second orifices having different cross-sectional areas; configured so that it can be selectively connected to one of the sources,
A liquid-filled vibration isolator characterized in that the other air chamber is communicated with outside air. 4. In the liquid-filled vibration damping device according to any one of claims 1 to 3, the second compensating liquid chamber is operated with a member forming a second orifice attached to the working liquid chamber side of the partition member. A liquid-filled vibration isolator in which a second orifice is defined as a liquid chamber and is connected to the second compensating liquid chamber, and the cross-sectional area of the second orifice is larger than the cross-sectional area of the first orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990121676U JP2579885Y2 (en) | 1990-11-19 | 1990-11-19 | Liquid filled type vibration damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990121676U JP2579885Y2 (en) | 1990-11-19 | 1990-11-19 | Liquid filled type vibration damping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0477041U true JPH0477041U (en) | 1992-07-06 |
| JP2579885Y2 JP2579885Y2 (en) | 1998-09-03 |
Family
ID=31869524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990121676U Expired - Fee Related JP2579885Y2 (en) | 1990-11-19 | 1990-11-19 | Liquid filled type vibration damping device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2579885Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1151110A (en) * | 1997-08-01 | 1999-02-23 | Toyota Motor Corp | Idle control method for variable vibration isolator |
| EP1700730A1 (en) * | 1997-06-02 | 2006-09-13 | Toyota Jidosha Kabushiki Kaisha | Variable vibration isolating support device for internal combustion engine |
| CN116080384A (en) * | 2023-01-18 | 2023-05-09 | 重庆赛力斯新能源汽车设计院有限公司 | Suspension and control method of air spring type semi-active range extender and vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6061540U (en) * | 1983-10-05 | 1985-04-30 | エヌ・オー・ケー・メグラステイツク株式会社 | liquid filled mount |
| JPS62202552U (en) * | 1986-06-16 | 1987-12-24 | ||
| JPH01124441U (en) * | 1988-02-17 | 1989-08-24 |
-
1990
- 1990-11-19 JP JP1990121676U patent/JP2579885Y2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6061540U (en) * | 1983-10-05 | 1985-04-30 | エヌ・オー・ケー・メグラステイツク株式会社 | liquid filled mount |
| JPS62202552U (en) * | 1986-06-16 | 1987-12-24 | ||
| JPH01124441U (en) * | 1988-02-17 | 1989-08-24 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1700730A1 (en) * | 1997-06-02 | 2006-09-13 | Toyota Jidosha Kabushiki Kaisha | Variable vibration isolating support device for internal combustion engine |
| JPH1151110A (en) * | 1997-08-01 | 1999-02-23 | Toyota Motor Corp | Idle control method for variable vibration isolator |
| CN116080384A (en) * | 2023-01-18 | 2023-05-09 | 重庆赛力斯新能源汽车设计院有限公司 | Suspension and control method of air spring type semi-active range extender and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2579885Y2 (en) | 1998-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH01178251U (en) | ||
| US5246212A (en) | Fluid-filled elastic mount having vacuum-receiving chamber and auxiliary air chamber for accommodating volumetric change of equilibrium chamber | |
| US5170998A (en) | Fluid-filled elastic mount having means for controlling elastic deformation of flexible diaphragm(s) defining equilibrium chamber(s) | |
| US5839720A (en) | Vibration isolating apparatus | |
| JPH0672636B2 (en) | Fluid-filled vibration isolator with precisely adjustable dynamic operating characteristics | |
| JP2002327789A (en) | Vibrationproof device sealed with liquid | |
| US6722641B2 (en) | Liquid filled type vibration isolator | |
| JPH0477041U (en) | ||
| JPH029342U (en) | ||
| GB2294525A (en) | Hydraulically damped mounting device | |
| JPH0579529A (en) | Vibrationproof device | |
| JPH02114237U (en) | ||
| JPH0622641U (en) | The anti-vibration device | |
| JP2004036713A (en) | Active liquid-sealed vibration control device | |
| JPH0399251U (en) | ||
| JPS63145036U (en) | ||
| JPS6321792Y2 (en) | ||
| JPS6317344U (en) | ||
| JP2580806Y2 (en) | Control type liquid filled anti-vibration mount | |
| JPH0388043U (en) | ||
| JPH0547579U (en) | Liquid-filled mount | |
| JPH0320743U (en) | ||
| JPH01106652U (en) | ||
| JPH01168035U (en) | ||
| JPS63188357U (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |