JPH0166481U - - Google Patents
Info
- Publication number
- JPH0166481U JPH0166481U JP1987160754U JP16075487U JPH0166481U JP H0166481 U JPH0166481 U JP H0166481U JP 1987160754 U JP1987160754 U JP 1987160754U JP 16075487 U JP16075487 U JP 16075487U JP H0166481 U JPH0166481 U JP H0166481U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- small
- diameter portion
- suction valve
- suction
- 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 2
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Description
第１図及び第２図は本考案の一実施例を示し、
第１図は全体の縦断面図、第２図はピストンと吸
入弁との動きについての位相差を各種振動要素と
の関係で示す図である。そして第３図は従来例を
示す第１図相当図である。
図中、１はシリンダー、３はポンプ室、７は吐
出弁、８は駆動装置、９はピストン、１０は吸入
通気路、１０ａは径大部、１０ｂは径小部、１１
は吸入弁、１３はばねである。
1 and 2 show an embodiment of the present invention,
FIG. 1 is a longitudinal sectional view of the whole, and FIG. 2 is a diagram showing the phase difference between the movements of the piston and the suction valve in relation to various vibration elements. FIG. 3 is a diagram corresponding to FIG. 1 showing a conventional example. In the figure, 1 is a cylinder, 3 is a pump chamber, 7 is a discharge valve, 8 is a drive device, 9 is a piston, 10 is a suction air passage, 10a is a large diameter part, 10b is a small diameter part, 11
is a suction valve, and 13 is a spring.
Claims (1)
運動方向に沿い且つポンプ室側が径大で反対側が
径小となる吸入通気路を形成し、この吸入通気路
の径大部に径小部を閉塞し得る大きさの吸入弁を
遊嵌状態に配置すると共に、この吸入弁を径小部
方向に弱いばね力で付勢するばねを設け、前記ピ
ストンの往復運動の周波数ωと吸入弁及びばねの
振動系の固有振動数ωｎとの関係を ω≧２ωｎ となるように設定して成ることを特徴とするエ
アポンプ。[Claim for Utility Model Registration] A suction air passage is formed in the piston that reciprocates in the cylinder, along the direction of its movement, and has a large diameter on the pump chamber side and a small diameter on the opposite side, and the large diameter portion of this suction air passage A suction valve large enough to close the small-diameter portion is loosely fitted to the piston, and a spring is provided to bias the suction valve in the direction of the small-diameter portion with a weak spring force, so that the frequency of the reciprocating motion of the piston is An air pump characterized in that the relationship between ωn and the natural frequency ωn of the vibration system of the suction valve and the spring is set so that ω≧2ωn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160754U JPH0166481U (en) | 1987-10-22 | 1987-10-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160754U JPH0166481U (en) | 1987-10-22 | 1987-10-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0166481U true JPH0166481U (en) | 1989-04-27 |
Family
ID=31443095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987160754U Pending JPH0166481U (en) | 1987-10-22 | 1987-10-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0166481U (en) |
-
1987
- 1987-10-22 JP JP1987160754U patent/JPH0166481U/ja active Pending
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