JPS58158749U - Negative pressure brake booster for automobiles - Google Patents
Negative pressure brake booster for automobilesInfo
- Publication number
- JPS58158749U JPS58158749U JP5792282U JP5792282U JPS58158749U JP S58158749 U JPS58158749 U JP S58158749U JP 5792282 U JP5792282 U JP 5792282U JP 5792282 U JP5792282 U JP 5792282U JP S58158749 U JPS58158749 U JP S58158749U
- Authority
- JP
- Japan
- Prior art keywords
- power piston
- pressure chamber
- housing
- power
- piston
- 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
Landscapes
- Braking Systems And Boosters (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図は本案ブースタの縦断面図である。
１・・・・・・ハウジング、２・・・・・・前方シェル
、３・・・・・・後方シェル、１１・・・・・・パワー
ピストン、１６・・・・・・出力ロツｌ”、１７・・・
・・・ブツシュロッド、５・・・・・・ダイアフラム、
１０・・・・・・パワープレート部、８・・・・・・セ
ンターハブ部、２６・・・・・・テーパ部。The figure is a longitudinal sectional view of the proposed booster. 1...Housing, 2...Front shell, 3...Rear shell, 11...Power piston, 16...Output , 17...
...butsch rod, 5...diaphragm,
10... Power plate part, 8... Center hub part, 26... Taper part.
Claims (1)
グ、ハウジング内を定圧室及び変圧室に区画するローリ
ングダイアフラム付きパワーピストン、パワーピストン
からハウジング前方シェルの壁をシールされて貫いてバ
ワニピストンからハウジング外へ延ひる出力ロッド、パ
ワーピストンに支、えられか一つ、ブレー手ペダルに連
動のブツシュロッドに連結されて定圧室及び変圧室の連
通と、変圧室及び大気圧の連通との切換をなすコントロ
ールバルブ機構、を備えるブースタにおいて、上記ダイ
アフラムは外周縁ビード部をハウジングにシールして保
持され、中心部は上記コントロールバルブ機構を支える
センターハブ部にシールしてパワープレート部とともに
保持されて上記のパワーピストンを構成し、カつ、パワ
ーピストンのストロークにつれてパワープレート部周縁
及びビード部の間に環状のローリング部分を形成する組
付けとしてなり、このローリング部分の消えるパワーピ
ストンのブースタ作動ストロークの終端部分に対応する
前方シェルの壁に、その内周面をパワーピストンのパワ
ープレート部の周縁に可及的に接近するテーパ部を形成
したことを特徴とする自動車用負圧式ブレーキブースタ
。 □A power piston with a rolling diaphragm that divides the inside of the housing into a constant pressure chamber and a variable pressure chamber, and a housing that extends from the power piston through the wall of the front shell in a sealed manner and from the Bawani piston to the housing. An output rod extending outwards, supported by the power piston, and connected to a bushing rod linked to the brake pedal to switch between communication between the constant pressure chamber and variable pressure chamber, and communication between the variable pressure chamber and atmospheric pressure. In the booster equipped with a control valve mechanism, the diaphragm is held with its outer peripheral bead portion sealed to the housing, and its center portion is sealed to the center hub portion that supports the control valve mechanism and held together with the power plate portion. The assembly forms a power piston and forms an annular rolling part between the peripheral edge of the power plate part and the bead part as the power piston strokes, and this rolling part disappears at the end of the booster operating stroke of the power piston. A negative pressure type brake booster for an automobile, characterized in that a tapered part is formed on the wall of a front shell corresponding to the front shell so that the inner circumferential surface thereof approaches the peripheral edge of the power plate part of the power piston as much as possible. □
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5792282U JPS58158749U (en) | 1982-04-20 | 1982-04-20 | Negative pressure brake booster for automobiles |
| US06/486,547 US4491056A (en) | 1982-04-20 | 1983-04-19 | Suction pressure operated booster for automobile brake systems |
| GB08310720A GB2118654B (en) | 1982-04-20 | 1983-04-20 | Brake power booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5792282U JPS58158749U (en) | 1982-04-20 | 1982-04-20 | Negative pressure brake booster for automobiles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58158749U true JPS58158749U (en) | 1983-10-22 |
Family
ID=30068345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5792282U Pending JPS58158749U (en) | 1982-04-20 | 1982-04-20 | Negative pressure brake booster for automobiles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58158749U (en) |
-
1982
- 1982-04-20 JP JP5792282U patent/JPS58158749U/en active Pending
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