JPH01111878U - - Google Patents
Info
- Publication number
- JPH01111878U JPH01111878U JP693788U JP693788U JPH01111878U JP H01111878 U JPH01111878 U JP H01111878U JP 693788 U JP693788 U JP 693788U JP 693788 U JP693788 U JP 693788U JP H01111878 U JPH01111878 U JP H01111878U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- inlet port
- port side
- seats
- 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
- 239000012530 fluid Substances 0.000 claims 1
Landscapes
- Check Valves (AREA)
- Details Of Valves (AREA)
Description
第１図は本考案の逆止め弁の一実施例を示す断
面図、第２図は同逆止め弁の他の実施例を示す断
面図、第３図は従来の逆止め弁の自動車の負圧式
ブレーキ倍力装置への取付を示す一部破断図、第
４図は従来の逆止め弁の断面図である。
１６……弁ボデイ、１７……弁室、１８……弁
体、１９……弁部材、２０……弁保持部材、２０
ａ……ガイド部、２０ｂ……ステム部、２２……
スプリング、２６，３１……緩衝部材。
Fig. 1 is a sectional view showing one embodiment of the check valve of the present invention, Fig. 2 is a sectional view showing another embodiment of the same check valve, and Fig. 3 is a sectional view of a conventional check valve used in automobiles. FIG. 4, a partially cutaway view showing the attachment to a pressure type brake booster, is a sectional view of a conventional check valve. 16... Valve body, 17... Valve chamber, 18... Valve body, 19... Valve member, 20... Valve holding member, 20
a...Guide part, 20b...Stem part, 22...
Spring, 26, 31...buffer member.
Claims (1)
を有する弁ボデイと、該弁ボデイのインレツトポ
ート側に設けられた弁座に着座する弁体と、該弁
体をインレツトポート側に常時付勢する付勢手段
とを備えた逆止め弁において、 該弁体と、該弁体が開弁するとき衝突するアウ
トレツトポート側の部分との間に、流体を流通さ
せる緩衝部材を固着せしめたことを特徴とする逆
止め弁。 (2) 前記緩衝部材が発泡弾性体である実用新案
登録請求の範囲第(1)項記載の逆止め弁。[Scope of Claim for Utility Model Registration] (1) A valve body having an inlet port and an outlet port, a valve body that seats on a valve seat provided on the inlet port side of the valve body, and a valve body that seats on a valve seat provided on the inlet port side of the valve body. In a check valve equipped with a biasing means that constantly biases the inlet port side, a fluid is allowed to flow between the valve body and a portion on the outlet port side that collides with the valve body when the valve opens. 1. A check valve characterized in that a buffer member is fixed to the valve. (2) The check valve according to claim (1), wherein the buffer member is a foamed elastic body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP693788U JPH01111878U (en) | 1988-01-22 | 1988-01-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP693788U JPH01111878U (en) | 1988-01-22 | 1988-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01111878U true JPH01111878U (en) | 1989-07-27 |
Family
ID=31211523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP693788U Pending JPH01111878U (en) | 1988-01-22 | 1988-01-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01111878U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016510861A (en) * | 2013-10-25 | 2016-04-11 | 廈門科際精密器材有限公司 | Valve plate and air pump having the same |
| KR20160067987A (en) * | 2013-10-08 | 2016-06-14 | 데이코 아이피 홀딩스 엘엘시 | Noise attenuation in a check valve unit or apparatus for producing vacuum |
| JP2017519952A (en) * | 2014-06-06 | 2017-07-20 | デイコ アイピー ホールディングス, エルエルシーDayco Ip Holdings, Llc | Noise attenuation in Venturi devices and / or check valves |
| US10190549B2 (en) | 2014-04-04 | 2019-01-29 | Dayco Ip Holdings, Llc | Check valves and venturi devices having the same |
| US10316864B2 (en) | 2015-04-13 | 2019-06-11 | Dayco Ip Holdings, Llc | Devices for producing vacuum using the venturi effect |
| US10473235B2 (en) | 2014-04-04 | 2019-11-12 | Dayco Ip Holdings, Llc | Bypass check valve and Venturi having same |
| US10626888B2 (en) | 2014-07-10 | 2020-04-21 | Dayco Ip Holdings, Llc | Dual Venturi device |
-
1988
- 1988-01-22 JP JP693788U patent/JPH01111878U/ja active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160067987A (en) * | 2013-10-08 | 2016-06-14 | 데이코 아이피 홀딩스 엘엘시 | Noise attenuation in a check valve unit or apparatus for producing vacuum |
| JP2016534288A (en) * | 2013-10-08 | 2016-11-04 | デイコ アイピー ホールディングス, エルエルシーDayco Ip Holdings, Llc | Noise attenuation in check valve unit |
| JP2016510861A (en) * | 2013-10-25 | 2016-04-11 | 廈門科際精密器材有限公司 | Valve plate and air pump having the same |
| JP2016510862A (en) * | 2013-10-25 | 2016-04-11 | 廈門科際精密器材有限公司 | Valve plate and air pump having the same |
| US10190549B2 (en) | 2014-04-04 | 2019-01-29 | Dayco Ip Holdings, Llc | Check valves and venturi devices having the same |
| US10473235B2 (en) | 2014-04-04 | 2019-11-12 | Dayco Ip Holdings, Llc | Bypass check valve and Venturi having same |
| JP2017519952A (en) * | 2014-06-06 | 2017-07-20 | デイコ アイピー ホールディングス, エルエルシーDayco Ip Holdings, Llc | Noise attenuation in Venturi devices and / or check valves |
| US10519984B2 (en) | 2014-06-06 | 2019-12-31 | Dayco Ip Holdings, Llc | Noise attenuation in a Venturi device and/or check valves |
| US10626888B2 (en) | 2014-07-10 | 2020-04-21 | Dayco Ip Holdings, Llc | Dual Venturi device |
| US10316864B2 (en) | 2015-04-13 | 2019-06-11 | Dayco Ip Holdings, Llc | Devices for producing vacuum using the venturi effect |