JPH0287101U - - Google Patents
Info
- Publication number
- JPH0287101U JPH0287101U JP13401688U JP13401688U JPH0287101U JP H0287101 U JPH0287101 U JP H0287101U JP 13401688 U JP13401688 U JP 13401688U JP 13401688 U JP13401688 U JP 13401688U JP H0287101 U JPH0287101 U JP H0287101U
- Authority
- JP
- Japan
- Prior art keywords
- bellows
- type actuator
- actuator
- inner diameter
- chambers
- 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
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
- Actuator (AREA)
- Diaphragms And Bellows (AREA)
Description
第１図及び第２図は本考案の一実施例に係るベ
ローズ式アクチユエータを利用したＥＧＲバルブ
の開弁および開弁状態の縦断面図、第３図および
第４図は本考案の他の実施例に係るベローズ式ア
クチユエータの開弁および開弁状態の縦断面図、
第５図は従来のダイアフラムを用いたＥＧＲバル
ブの概略縦断面図、第６図はアクチユエータにベ
ローズを用いた場合の作動状態を示す要部縦断面
図である。
符号の説明、１…ＥＧＲバルブ、２…アツパカ
ツプ、３…負圧導入孔、３ａ…接合縁部、４…ロ
アカツプ、５…アクチユエータ本体、６１，６２
…室、７…アツパプレート、８…ロアプレート、
９…スプリング、１０…弁体、１１…樹脂製ベロ
ーズ、１２…凹溝、１３…段部（内径サポート部
）、１４…固定フランジ、１５…フランジ、１６
…バルブ本体、１８…ねじ、２３…サポートリン
グ（内径サポート部）、Ａ…アクチユエータ。
1 and 2 are vertical cross-sectional views of an EGR valve using a bellows type actuator according to an embodiment of the present invention, showing the valve opening and the valve-open state, and FIGS. 3 and 4 show other embodiments of the present invention. Vertical cross-sectional views of the bellows type actuator according to the example when the valve is open and when the valve is open,
FIG. 5 is a schematic longitudinal sectional view of an EGR valve using a conventional diaphragm, and FIG. 6 is a longitudinal sectional view of essential parts showing an operating state when a bellows is used as an actuator. Explanation of symbols, 1... EGR valve, 2... Upper cup, 3... Negative pressure introduction hole, 3a... Joint edge, 4... Lower cup, 5... Actuator main body, 61, 62
... Chamber, 7... Atsupa plate, 8... Lower plate,
9... Spring, 10... Valve body, 11... Resin bellows, 12... Concave groove, 13... Step part (inner diameter support part), 14... Fixed flange, 15... Flange, 16
... Valve body, 18... Screw, 23... Support ring (inner diameter support part), A... Actuator.
Claims (1)
を樹脂製のベローズによつて２室に区分し、、該
ベローズの一端をアクチユエータ本体に固定する
とともに、他端を自由状態に保持し、２室の差圧
によつてベローズを伸縮作動させるベローズ式ア
クチユエータにおいて、 前記ベローズの固定端部の内周に係合する環状
の内径サポート部を設けたことを特徴とするベロ
ーズ式アクチユエータ。 (2) ベローズの自由端部内周に係合する環状の
内径サポート部を設けた請求項１に記載のベロー
ズ式アクチユエータ。[Claims for Utility Model Registration] (1) The hollow interior of the internally hollow actuator body is divided into two chambers by a resin bellows, one end of which is fixed to the actuator body, and the other end is free. A bellows-type actuator that expands and contracts the bellows by holding the bellows in the same state and expanding and contracting it by a pressure difference between two chambers, characterized in that the bellows is provided with an annular inner diameter support portion that engages with the inner periphery of the fixed end portion of the bellows. type actuator. (2) The bellows type actuator according to claim 1, further comprising an annular inner diameter support portion that engages with the inner periphery of the free end of the bellows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988134016U JPH0735125Y2 (en) | 1988-09-08 | 1988-10-15 | Bellows type actuator |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63-118196 | 1988-09-08 | ||
| JP11819688 | 1988-09-08 | ||
| JP1988134016U JPH0735125Y2 (en) | 1988-09-08 | 1988-10-15 | Bellows type actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0287101U true JPH0287101U (en) | 1990-07-10 |
| JPH0735125Y2 JPH0735125Y2 (en) | 1995-08-09 |
Family
ID=31718872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988134016U Expired - Fee Related JPH0735125Y2 (en) | 1988-09-08 | 1988-10-15 | Bellows type actuator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735125Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005335060A (en) * | 2004-05-26 | 2005-12-08 | Hilti Ag | Cutting waste suction device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4923799U (en) * | 1972-06-01 | 1974-02-28 | ||
| JPS582467U (en) * | 1981-06-30 | 1983-01-08 | 株式会社デンソー | Air control valve |
| JPS632605U (en) * | 1986-06-23 | 1988-01-09 |
-
1988
- 1988-10-15 JP JP1988134016U patent/JPH0735125Y2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4923799U (en) * | 1972-06-01 | 1974-02-28 | ||
| JPS582467U (en) * | 1981-06-30 | 1983-01-08 | 株式会社デンソー | Air control valve |
| JPS632605U (en) * | 1986-06-23 | 1988-01-09 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005335060A (en) * | 2004-05-26 | 2005-12-08 | Hilti Ag | Cutting waste suction device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735125Y2 (en) | 1995-08-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |