JPH0185435U - - Google Patents
Info
- Publication number
- JPH0185435U JPH0185435U JP17971887U JP17971887U JPH0185435U JP H0185435 U JPH0185435 U JP H0185435U JP 17971887 U JP17971887 U JP 17971887U JP 17971887 U JP17971887 U JP 17971887U JP H0185435 U JPH0185435 U JP H0185435U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- negative pressure
- passage
- pressure chamber
- casing
- 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
- 239000000463 material Substances 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims 2
- 238000001914 filtration Methods 0.000 claims 1
Landscapes
- Controls For Constant Speed Travelling (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図はこの考案によるアクチユエータの一実
施例を示す縦断面図、第２図はこの考案によるア
クチユエータにおける他の実施例を示す縦断面図
、第３図は従来のアクチユエータを示す縦断面図
である。
１……アクチユエータ、２……負圧室、３……
ダイヤフラム、４……ケーシング、４ｄ，４ｅ，
４ｆ，４ｇ，４ｈ，４ｉ……通路、４ｊ……フイ
ルター収納部、４ｍ……蓋材、６……バキユーム
バルブ、７……セフテイバルブ、８……ベントバ
ルブ、９，１０……第１のフイルター、１１……
第２のフイルター。
FIG. 1 is a longitudinal sectional view showing one embodiment of the actuator according to this invention, FIG. 2 is a longitudinal sectional view showing another embodiment of the actuator according to this invention, and FIG. 3 is a longitudinal sectional view showing a conventional actuator. be. 1... Actuator, 2... Negative pressure chamber, 3...
Diaphragm, 4...Casing, 4d, 4e,
4f, 4g, 4h, 4i... passage, 4j... filter storage section, 4m... lid material, 6... vacuum valve, 7... safety valve, 8... vent valve, 9, 10... first filter, 11...
Second filter.
Claims (1)
形成した負圧室と、前記負圧室に連通した通路お
よび負圧源に連通する通路を備えたバキユームバ
ルブと、前記負圧室に連通した通路および大気開
放にした通路を備えたセフテイバルブおよびベン
トバルブと、を備え、前記セフテイバルブおよび
ベントバルブの通路には塵埃濾過用の第１のフイ
ルターを設けると共に、前記バキユームバルブの
負圧室側の通路には前記第１のフイルターよりも
さらに微細な塵埃を濾過する第２のフイルターを
設けたことを特徴とするアクチユエータ。 (2) 第２のフイルタはケーシングに設けたフイ
ルタ収納部に加締めで装着されていることを特徴
とする実用新案登録請求の範囲第(1)項記載のア
クチユエータ。 (3) 第２のフイルターはケーシングに設けたフ
イルター収納部に蓋材を嵌着することにより装着
されていることを特徴とする実用新案登録請求の
範囲第(1)項記載のアクチユエータ。[Claims for Utility Model Registration] (1) A vacuum valve having a negative pressure chamber formed between a diaphragm and a casing, a passage communicating with the negative pressure chamber, and a passage communicating with a negative pressure source, and the negative pressure chamber. a safety valve and a vent valve each having a passage communicating with the air and a passage open to the atmosphere, and a first filter for filtering dust is provided in the passage of the safety valve and the vent valve, and a first filter is provided on the negative pressure chamber side of the vacuum valve. An actuator characterized in that the passage is provided with a second filter that filters finer dust than the first filter. (2) The actuator according to claim 1, wherein the second filter is attached by caulking to a filter housing provided in the casing. (3) The actuator according to claim (1), wherein the second filter is attached to a filter storage portion provided in the casing by fitting a cover material thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17971887U JPH0352998Y2 (en) | 1987-11-27 | 1987-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17971887U JPH0352998Y2 (en) | 1987-11-27 | 1987-11-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0185435U true JPH0185435U (en) | 1989-06-06 |
| JPH0352998Y2 JPH0352998Y2 (en) | 1991-11-19 |
Family
ID=31471263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17971887U Expired JPH0352998Y2 (en) | 1987-11-27 | 1987-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352998Y2 (en) |
-
1987
- 1987-11-27 JP JP17971887U patent/JPH0352998Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0352998Y2 (en) | 1991-11-19 |
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