JP2009092142A5 - - Google Patents
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- JP2009092142A5 JP2009092142A5 JP2007263943A JP2007263943A JP2009092142A5 JP 2009092142 A5 JP2009092142 A5 JP 2009092142A5 JP 2007263943 A JP2007263943 A JP 2007263943A JP 2007263943 A JP2007263943 A JP 2007263943A JP 2009092142 A5 JP2009092142 A5 JP 2009092142A5
- Authority
- JP
- Japan
- Prior art keywords
- movable plate
- bellows
- bellows cap
- seal
- liquid
- 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
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Claims (2)
前記ハウジングに備えられるとともに圧力配管に接続されるポート穴を設けたオイルポートと、
前記ハウジングの内部に配置されるとともに固定端を前記オイルポートに固定したベローズと、
前記ベローズの遊動端に固定されたベローズキャップと、
前記ベローズの外周側に設けられるとともに高圧ガスを封入するガス室と、
前記ベローズの内周側に設けられるとともに前記ポート穴に連通する液室と、
前記ベローズキャップのオイルポート側にゴム状弾性体製パッキンを介して支持された可動プレートと、
前記オイルポートのベローズキャップ側内面に設けられるとともに前記可動プレートが接離可能に接触するシールと、
前記液室の液体が前記ポート穴から排出され前記可動プレートが前記シールに接触することで前記液室が閉塞されてこの液室に一部の液体が閉じ込められるゼロダウン時に、前記閉塞された液室と前記ベローズキャップおよび可動プレート間の空間とを連通させる連通路と、
前記連通路の一部として前記可動プレートに設けられた貫通孔と、
を有し、
定常作動時、前記可動プレートは前記パッキンに支持された状態で前記ベローズキャップとともに移動し、
前記ゼロダウン時、前記可動プレートは前記ベローズキャップとともに移動して前記シールに接触し、
前記液体および封入ガスの熱膨張時には、前記可動プレートは前記シールに接触したままで前記ベローズキャップが液体圧とガス圧が釣り合う位置まで前記パッキンを圧縮しながら移動することを特徴とするアキュムレータ。 An accumulator housing;
An oil port provided in the housing and provided with a port hole connected to the pressure pipe;
A bellows disposed inside the housing and having a fixed end fixed to the oil port;
A bellows cap fixed to the free end of the bellows;
A gas chamber provided on the outer peripheral side of the bellows and enclosing a high-pressure gas;
A liquid chamber provided on the inner peripheral side of the bellows and communicating with the port hole;
A movable plate supported on the oil port side of the bellows cap via a rubber elastic packing;
A seal that is provided on the bellows cap side inner surface of the oil port and that the movable plate comes into contact with and detachable from,
When the liquid chamber is discharged from the port hole and the movable plate comes into contact with the seal, the liquid chamber is closed and a part of the liquid is confined in the liquid chamber. And a communication path that communicates the space between the bellows cap and the movable plate;
A through hole provided in the movable plate as a part of the communication path;
Have
During steady operation, the movable plate moves with the bellows cap while being supported by the packing,
When the zero-down, the movable plate is in contact with the seal by moving together with the bellows cap,
In the thermal expansion of the liquid and the sealed gas, the movable plate is kept in contact with the seal and the bellows cap moves while compressing the packing to a position where the liquid pressure and the gas pressure are balanced.
ベローズキャップおよび可動プレートの対向面の一方または双方に、スペーサーとして作用する立体構造を設けたことを特徴とするアキュムレータ。 The accumulator according to claim 1, wherein
An accumulator comprising a three-dimensional structure that acts as a spacer on one or both of a bellows cap and a movable plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007263943A JP4956361B2 (en) | 2007-10-10 | 2007-10-10 | accumulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007263943A JP4956361B2 (en) | 2007-10-10 | 2007-10-10 | accumulator |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2009092142A JP2009092142A (en) | 2009-04-30 |
JP2009092142A5 true JP2009092142A5 (en) | 2010-11-11 |
JP4956361B2 JP4956361B2 (en) | 2012-06-20 |
Family
ID=40664328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007263943A Active JP4956361B2 (en) | 2007-10-10 | 2007-10-10 | accumulator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4956361B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5016453B2 (en) * | 2007-11-20 | 2012-09-05 | Nok株式会社 | accumulator |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0487001A (en) * | 1990-07-30 | 1992-03-19 | Matsushita Electric Ind Co Ltd | Video tape recorder |
JP2002155901A (en) * | 2000-11-21 | 2002-05-31 | Nhk Spring Co Ltd | Self-seal structure for accumulator |
DE10304999A1 (en) * | 2003-02-07 | 2004-08-19 | Carl Freudenberg Kg | Metal bellows compression storage for motor vehicle hydraulic braking systems has a compression container with one chamber for compressed gas and another chamber for hydraulic fluid |
JP2007187229A (en) * | 2006-01-12 | 2007-07-26 | Nok Corp | Metal bellows-type accumulator |
-
2007
- 2007-10-10 JP JP2007263943A patent/JP4956361B2/en active Active
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