JPH0448075U - - Google Patents
Info
- Publication number
- JPH0448075U JPH0448075U JP9138090U JP9138090U JPH0448075U JP H0448075 U JPH0448075 U JP H0448075U JP 9138090 U JP9138090 U JP 9138090U JP 9138090 U JP9138090 U JP 9138090U JP H0448075 U JPH0448075 U JP H0448075U
- Authority
- JP
- Japan
- Prior art keywords
- booster
- pressure
- chamber
- reaction force
- rear surface
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Braking Systems And Boosters (AREA)
Description
図面は本考案の一実施例を示すものであり、第
１図は液圧倍力装置の縦断側面図、第２図はスト
ローク特性線図である。
１……操作部材としてのブレーキペダル、７ｒ
……マスタピストン、１１……ブースタ本体、１
６……ブースト室、４９……反力室、Ａ１〜Ａ４
……ストロークアキユムレータ、Ｂ……液圧倍力
装置、Ｍ……マスタシリンダ、Ｓ……液圧源。
The drawings show one embodiment of the present invention, and FIG. 1 is a longitudinal sectional side view of a hydraulic booster, and FIG. 2 is a stroke characteristic diagram. 1... Brake pedal as an operating member, 7r
...Master piston, 11 ...Booster body, 1
6...Boost chamber, 49...Reaction force chamber, A1 to A4
...stroke accumulator, B...hydraulic pressure booster, M...master cylinder, S...hydraulic pressure source.
Claims (1)
されるブースタ本体１１に、前記マスタシリンダ
Ｍのマスタピストン７ｒ後面を臨ませて形成され
るとともに操作部材１の前進に応じて液圧源Ｓの
液圧が供給されるブースト室１６と、該ブースト
室１６の昇圧および前記操作部材１の前進に応じ
て容積が縮小される密閉状の反力室４９とが設け
られ、前記反力室４９にはストロークアキユムレ
ータが接続される液圧倍力装置において、反力室
４９には、特性の異なる複数のストロークアキユ
ムレータＡ１〜Ａ４が接続状態を択一的に切換可
能にして接続されることを特徴とする液圧倍力装
置。 The booster body 11 is connected to the rear end of the cylinder body 4 of the master cylinder M, and is formed so that the rear surface of the master piston 7r of the master cylinder M faces the rear surface of the master piston 7r. A boost chamber 16 to which pressure is supplied, and a sealed reaction force chamber 49 whose volume is reduced in accordance with the increase in pressure in the boost chamber 16 and the advancement of the operating member 1 are provided. In the hydraulic pressure booster to which the stroke accumulator is connected, a plurality of stroke accumulators A 1 to A 4 having different characteristics are connected to the reaction force chamber 49 so that the connection state can be selectively switched. A hydraulic booster characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9138090U JPH0448075U (en) | 1990-08-31 | 1990-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9138090U JPH0448075U (en) | 1990-08-31 | 1990-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0448075U true JPH0448075U (en) | 1992-04-23 |
Family
ID=31826943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9138090U Pending JPH0448075U (en) | 1990-08-31 | 1990-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0448075U (en) |
-
1990
- 1990-08-31 JP JP9138090U patent/JPH0448075U/ja active Pending
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