JP2002106471A - Compact pump - Google Patents
Compact pumpInfo
- Publication number
- JP2002106471A JP2002106471A JP2000295525A JP2000295525A JP2002106471A JP 2002106471 A JP2002106471 A JP 2002106471A JP 2000295525 A JP2000295525 A JP 2000295525A JP 2000295525 A JP2000295525 A JP 2000295525A JP 2002106471 A JP2002106471 A JP 2002106471A
- Authority
- JP
- Japan
- Prior art keywords
- case
- intake valve
- diaphragms
- pump
- motor
- 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
Landscapes
- Compressor (AREA)
- Reciprocating Pumps (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、小型ポンプに関
するものであり、特に、血圧計等に用いられ、且つ、ダ
イヤフラムを使用する小型ポンプに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a small pump, and more particularly to a small pump used for a blood pressure monitor or the like and using a diaphragm.
【０００２】[0002]
【従来の技術】従来の此種小型ポンプを図２に従って説
明する。図に於て１は小型ポンプを示し、該小型ポンプ
１は平面視長方形のケース２内にポンプ室３，３を形成
する２個のダイヤフラム４，４が設けられ、該ダイヤフ
ラム４，４は互いに一体に連結されてダイヤフラム集合
体５を形成している。2. Description of the Related Art A conventional small pump of this type will be described with reference to FIG. In the drawing, reference numeral 1 denotes a small pump, and the small pump 1 is provided with two diaphragms 4 and 4 forming pump chambers 3 and 3 in a case 2 having a rectangular shape in a plan view, and the diaphragms 4 and 4 are mutually connected. They are integrally connected to form a diaphragm assembly 5.
【０００３】そして、該ダイヤフラム集合体５の中央部
には円筒状の排気弁体６が形成され、該排気弁体６は前
記ケース２の上板７中央部に開穿された排気孔８内壁に
圧接されている。又、該上板７には前記ダイヤフラム
４，４の上方に位置して夫々傘型の吸気弁体９，９が取
付けられている。該吸気弁体９，９は前記ダイヤフラム
４，４側に傘部９ａ，９ａが形成され、そして、前記上
板７に開穿された小孔１０，１０を貫通し、更に、前記
上板７の上方に該小孔１０，１０より大径の止着部９
ｂ，９ｂが形成されており、これによって前記吸気弁体
９，９は前記上板７に圧着されている。又、前記小孔１
０，１０の周縁部近傍には数個の吸気孔１１，１１…が
形成され、前記吸気弁体９，９の前記傘部９ａ，９ａが
該吸気孔１１，１１…を密閉している。[0003] A cylindrical exhaust valve 6 is formed at the center of the diaphragm assembly 5, and the exhaust valve 6 is formed in an inner wall of an exhaust hole 8 formed at the center of an upper plate 7 of the case 2. Is pressed against. In addition, umbrella-shaped intake valve bodies 9, 9 are mounted on the upper plate 7 above the diaphragms 4, 4, respectively. The intake valve bodies 9, 9 are provided with umbrella portions 9a, 9a on the side of the diaphragms 4, 4 and penetrate through small holes 10, 10 formed in the upper plate 7. A fastening portion 9 having a larger diameter than the small holes 10
b, 9b are formed, whereby the intake valve bodies 9, 9 are pressed against the upper plate 7. The small hole 1
Are formed in the vicinity of the periphery of 0, 10, and the umbrella portions 9a of the intake valve bodies 9, 9 seal the intake holes 11, 11,.
【０００４】更に、前記ダイヤフラム４，４の下端部に
揺動体１２が揺動自在に連結され、該揺動体１２は回転
する偏心軸１３によって揺動するように構成されてい
る。そして、該偏心軸１３の上端は前記揺動体１２の下
部中心部に於て下方に突設して設けられたボス部１４内
の挿入孔１４ａに遊嵌され、下端はモータ１５の回転駆
動軸１６に固設された回転体１７の中心位置から離間し
た位置に形成された圧入孔１７ａに圧入されている。
又、前記ボス部１４内挿入孔１４ａ内には前記偏心軸１
３の先端部が該挿入孔１４ａ内で該挿入孔１４ａ内面を
損傷することなく円滑に回転するようにボール１８が内
装されている。Further, an oscillating body 12 is swingably connected to lower ends of the diaphragms 4 and 4, and the oscillating body 12 is configured to oscillate by a rotating eccentric shaft 13. An upper end of the eccentric shaft 13 is loosely fitted in an insertion hole 14a in a boss portion 14 provided to protrude downward at a lower central portion of the rocking body 12, and a lower end of the eccentric shaft 13 It is press-fitted into a press-fitting hole 17a formed at a position separated from a center position of a rotating body 17 fixed to 16.
The eccentric shaft 1 is inserted into the insertion hole 14a in the boss portion 14.
The ball 18 is provided so that the tip of the ball 3 rotates smoothly in the insertion hole 14a without damaging the inner surface of the insertion hole 14a.
【０００５】而して、前記モータ１５の回転駆動軸１６
が回転し、これにより前記回転体１７が回転し該回転体
１７の前記圧入孔１７ａに圧入された前記偏心軸１３が
回転すると前記揺動体１２が揺動し、前記ダイヤフラム
４，４の下端部を上下動させる。そして、一方のダイヤ
フラム４の下端部が前記揺動体１２により下動された
時、該ダイヤフラム４内は負圧になり、前記排気弁体６
は前記排気孔８を密閉し、一方、前記吸気弁体９の傘部
９ａが開き前記吸気孔１１を密閉状態から解放して矢印
Ａの如く吸気が行われる。次に、前記ダイヤフラム４の
下端部が上動された時、該ダイヤフラム４内は高圧にな
り、前記吸気弁体９の前記傘部９ａは前記吸気孔１１を
密閉状態にすると共に前記排気弁体６と前記排気孔８間
が開放されて矢印Ｂの如く排気が行われる。The rotary drive shaft 16 of the motor 15
When the eccentric shaft 13 press-fitted into the press-fitting hole 17a of the rotator 17 rotates, the oscillating body 12 oscillates, and the lower ends of the diaphragms 4 and 4 rotate. Move up and down. When the lower end of one of the diaphragms 4 is moved down by the oscillating body 12, the inside of the diaphragm 4 becomes a negative pressure, and the exhaust valve 6
Seals the exhaust hole 8, while the umbrella portion 9a of the intake valve body 9 is opened to release the intake hole 11 from the sealed state, and the intake is performed as shown by the arrow A. Next, when the lower end of the diaphragm 4 is moved upward, the pressure in the diaphragm 4 becomes high, the umbrella portion 9a of the intake valve body 9 closes the intake hole 11 and the exhaust valve body. 6 and the exhaust hole 8 are opened, and exhaust is performed as shown by the arrow B.
【０００６】[0006]
【発明が解決しようとする課題】上記従来例の小型ポン
プは、ケースの上板にダイヤフラムの上方に位置して夫
々傘型の吸気弁体が取付けられ、該ダイヤフラムの下端
部が揺動体により下動された時、該ダイヤフラム内は負
圧になり、これによって排気弁体が排気孔を密閉し、一
方、吸気弁体の傘部が開き吸気孔を密閉状態から解放し
て吸気が行われる。In the above-mentioned conventional small pump, an umbrella-shaped intake valve body is mounted on the upper plate of the case above the diaphragm, and the lower end of the diaphragm is moved downward by an oscillating body. When actuated, the inside of the diaphragm becomes a negative pressure, whereby the exhaust valve body seals the exhaust hole, while the umbrella portion of the intake valve body opens to release the intake hole from the sealed state, and air is taken in.
【０００７】然しながら、前記小型ポンプは吸気弁体が
ケースに直接取付けられており、又、該吸気弁体の作動
部分である傘部が吸気孔を介して外部に連通しているの
で、該吸気弁体の作動音が外部に漏れて騒音を発生させ
ていた。However, in the small pump, the intake valve body is directly attached to the case, and the umbrella portion, which is the operating portion of the intake valve body, communicates with the outside through the intake hole. The operating noise of the valve body leaked to the outside and generated noise.
【０００８】そこで、ダイヤフラムを使用する小型ポン
プに於て、吸気弁体の作動音による騒音を低減させるた
めに解決すべき技術的課題が生じてくるのであり、本発
明はこの課題を解決することを目的とする。Therefore, in a small-sized pump using a diaphragm, there arises a technical problem to be solved in order to reduce the noise due to the operation sound of the intake valve body, and the present invention solves this problem. With the goal.
【０００９】[0009]
【課題を解決するための手段】本発明は上記目的を達成
するために提案されたものであり、ケース内にポンプ室
を形成する複数のダイヤフラムを備え、偏心回転軸によ
り揺動される揺動体によって前記ダイヤフラムが上下動
されてポンプ動作を行う小型ポンプに於て、前記各ダイ
ヤフラムの底部中心部に吸気弁体を設けて吸気弁部を構
成し、更に、駆動源となるモータを収納するモータケー
スを前記ケースの前記吸気弁部側に直結し、該ケースと
該モータケースとの間に連通孔を設けると共に、該モー
タケースの下部に外気を導入するための吸気孔を形成し
た小型ポンプを提供するものである。SUMMARY OF THE INVENTION The present invention has been proposed to achieve the above-mentioned object, and has a plurality of diaphragms forming a pump chamber in a case, and an oscillator oscillated by an eccentric rotary shaft. A small pump in which the diaphragm is moved up and down to perform a pumping operation, wherein an intake valve body is provided by providing an intake valve body at the bottom center of each of the diaphragms, and further, a motor that houses a motor serving as a drive source A small pump in which a case is directly connected to the case on the side of the intake valve, a communication hole is provided between the case and the motor case, and an intake hole for introducing outside air is formed at a lower portion of the motor case. To provide.
【００１０】[0010]
【発明の実施の形態】以下、本発明の一実施の形態を図
１に従って詳述する。図に於て２１は小型ポンプであ
り、該小型ポンプ２１は平面視長方形のケース２２内に
ポンプ室２３，２３を形成する２個のダイヤフラム２
４，２４が備えられ、該ダイヤフラム２４，２４の下部
中心部には中空状取付体２５，２５が下方に突設して設
けられ、該ダイヤフラム２４，２４の下方には、該ダイ
ヤフラム２４，２４の下面を上下動させる揺動体２６が
配設されている。尚、前記ケース２２は上ケース２２ａ
と、中ケース２２ｂと、下ケース２２ｃの３段で構成さ
れ、前記ダイヤフラム２４，２４は該ダイヤフラム２
４，２４の鍔部２４ａ，２４ａ…が前記上ケース２２ａ
と前記中ケース２２ｂとの間に挟着されて前記ケース２
２に保持されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to FIG. In the figure, reference numeral 21 denotes a small pump. The small pump 21 has two diaphragms 2 forming pump chambers 23, 23 in a rectangular case 22 in a plan view.
At the center of the lower part of the diaphragms 24, 24, hollow attachment bodies 25, 25 are provided so as to protrude downward, and below the diaphragms 24, 24, the diaphragms 24, 24 are provided. An oscillating body 26 for vertically moving the lower surface of is provided. The case 22 is an upper case 22a.
, A middle case 22b, and a lower case 22c, and the diaphragms 24, 24
The upper case 22a
Between the case 2 and the middle case 22b.
2 is held.
【００１１】そして、該揺動体２６の周辺部近傍であっ
て、且つ、前記ダイヤフラム２４，２４の夫々の中心部
下方に位置して、空気導入孔２７ａ，２７ａを有する軸
体２７，２７が上方に突設して設けられ、該軸体２７，
２７の外側面に前記ダイヤフラム２４，２４に設けた前
記中空状取付体２５，２５の内側面が蜜嵌して前記揺動
体２６に前記ダイヤフラム２４，２４が取付けられる。The shafts 27, 27 having air introduction holes 27a, 27a are located in the vicinity of the periphery of the oscillating body 26 and below the center of each of the diaphragms 24, 24. The shaft body 27,
The inner surfaces of the hollow attachment members 25 provided on the diaphragms 24 are fitted closely to the outer surfaces of the diaphragm 27, and the diaphragms 24 are attached to the swinging member 26.
【００１２】又、前記各ダイヤフラム２４，２４の底部
中心部は一部が切開されて、吸気弁体２８，２８が形成
されると共に、該切開によって貫通孔２９，２９が設け
られ、該吸気弁体２８，２８により、該貫通孔２９，２
９を閉塞、開放可能にして吸気弁部Ｖ1，Ｖ1が構成され
る。尚、前記吸気弁体２８，２８の形成方法は前述の切
開方法に限定されるものではなく、他の方法で形成する
ことも可能である。The bottom central portions of the respective diaphragms 24, 24 are partially cut out to form intake valve bodies 28, 28, and the cutouts provide through holes 29, 29. The through holes 29,2 are formed by the bodies 28,28.
9 can be closed and opened to form intake valve portions V 1 and V 1 . The method of forming the intake valve bodies 28 is not limited to the above-described incision method, but may be formed by another method.
【００１３】更に、前記揺動体２６の中心部には該揺動
体２６を偏心回転により揺動させる偏心回転軸３０が貫
通して固着される。そして、該揺動体２６の上方に前記
中ケース２２ｂから延設されて延設部３１が設けられる
と共に、該延設部３１の下部に下方に開口する凹部３２
が形成され、他方、前記下ケース２２ｃの下部側に配置
された回転駆動軸３３上端に回転体３４が固着され、該
回転体３４上部の中心位置から離間した位置に凹部３５
が形成され、前記偏心回転軸３０の上端が前記凹部３２
に遊嵌され、下端が前記凹部３５に遊嵌されている。Further, an eccentric rotating shaft 30 for oscillating the oscillating body 26 by eccentric rotation penetrates and is fixed to the center of the oscillating body 26. An extending portion 31 is provided extending from the middle case 22b above the rocking body 26, and a concave portion 32 opening downward at a lower portion of the extending portion 31 is provided.
On the other hand, a rotary body 34 is fixed to the upper end of a rotary drive shaft 33 disposed on the lower side of the lower case 22c, and a concave portion 35 is provided at a position separated from the center position of the upper portion of the rotary body 34.
Is formed, and the upper end of the eccentric rotation shaft 30 is
And the lower end is loosely fitted in the recess 35.
【００１４】又、前記上ケース２２ａの中央部には排気
孔３６が開穿され、且つ、該上ケース２２ａの下面部の
該排気孔３６外周に該排気孔３６と連通する２個の下方
に開口する環状凹溝３７，３７が設けられており、該環
状凹溝３７，３７を形成する内壁面３７ａ、３７ａに前
記ダイヤフラム２４，２４の上端部から成る排気弁体３
８，３８を圧接させて排気弁部Ｖ2，Ｖ2が構成されてい
る。An exhaust hole 36 is formed in the center of the upper case 22a, and two lower holes communicating with the exhaust holes 36 are formed on the lower surface of the upper case 22a. Annular concave grooves 37, 37 are provided, and the exhaust valve body 3 composed of the upper ends of the diaphragms 24, 24 is formed on inner wall surfaces 37a, 37a forming the annular concave grooves 37, 37.
Exhaust valve portions V 2 , V 2 are formed by bringing the pressure valves 8 and 38 into pressure contact with each other.
【００１５】そして、前記下ケース２２ｃには前記回転
駆動軸３３に接続されるモータ３９を収納するモータケ
ース４０が直結され、該下ケース２２ｃに該モータケー
ス４０と連通する連通孔４１が設けられると共に、該モ
ータケース４０の下部に該モータケース４０内に外気を
導入するための少なくとも１個以上の吸気孔４２，４２
が形成されている。A motor case 40 for accommodating a motor 39 connected to the rotary drive shaft 33 is directly connected to the lower case 22c, and a communication hole 41 communicating with the motor case 40 is provided in the lower case 22c. In addition, at least one or more intake holes 42, 42 for introducing outside air into the motor case 40 are provided below the motor case 40.
Are formed.
【００１６】而して、前記回転駆動軸３３の回転により
前記回転体３４が回転すると、前記偏心回転軸３０が偏
心回転し、これによって前記揺動体２６が揺動し、前記
ダイヤフラム２４，２４の下端部を上下動させる。そし
て、例えば、一方のダイヤフラム２４の下端部が下動さ
れた時、該ダイヤフラム２４内は負圧になり、前記排気
弁体３８は前記環状凹溝３７の前記内壁面３７ａに密着
し、即ち、前記排気弁部Ｖ2は閉じ、且つ、前記吸気弁
体２８は前記貫通孔２９を閉塞状態から開放し、即ち、
前記吸気弁部Ｖ1は開状態となり、前記空気導入孔２７
ａから前記ダイヤフラム２４内へ矢印Ｃの如く吸気が行
われる。When the rotary body 34 is rotated by the rotation of the rotary drive shaft 33, the eccentric rotary shaft 30 is eccentrically rotated, whereby the rocking body 26 is rocked and the diaphragms 24, 24 Move the lower end up and down. Then, for example, when the lower end of one of the diaphragms 24 is moved down, the inside of the diaphragm 24 becomes a negative pressure, and the exhaust valve body 38 comes into close contact with the inner wall surface 37a of the annular groove 37, that is, said closed exhaust valve unit V 2 is and, the intake valve body 28 to open the through hole 29 from the closed state, i.e.,
The intake valve unit V 1 was opened, the air inlet holes 27
a, air is taken into the diaphragm 24 as shown by an arrow C.
【００１７】次に、前記ダイヤフラム２４の下端部が上
動された時、前記ダイヤフラム２４内は高圧になり、前
記吸気弁体２８が前記貫通孔２９を閉塞して前記吸気弁
部Ｖ 1を閉状態にすると共に前記排気弁体３８が前記内
壁面３７ａより拡径して前記排気弁部Ｖ2による排気が
矢印Ｄの如く行われる。該排気弁体３８内より排出され
た空気は前記環状凹溝３７を通り前記排気孔３６から前
記ケース２２外に排出される。Next, the lower end of the diaphragm 24 is raised.
When moved, the inside of the diaphragm 24 becomes high pressure,
The intake valve body 28 closes the through hole 29 so that the intake valve is closed.
Part V 1Is closed, and the exhaust valve body 38 is
The diameter of the exhaust valve portion V is increased from the wall surface 37a.TwoExhaust by
This is performed as indicated by arrow D. Discharged from the exhaust valve body 38
The exhaust air passes through the annular groove 37 and is forward from the exhaust hole 36.
It is discharged out of the case 22.
【００１８】又、前記ダイヤフラム２４の上動に伴って
前記下ケース２２ｃ内が負圧になり、前記連通孔４１を
介して前記モータケース４０内の空気が矢印Ｅの如く流
入し、これによって、該モータケース４０内が負圧にな
り前記吸気孔４２を介して外気が矢印Ｆの如く吸入され
る。Further, as the diaphragm 24 moves upward, the inside of the lower case 22c becomes negative pressure, and the air in the motor case 40 flows through the communication hole 41 as shown by the arrow E. The inside of the motor case 40 becomes negative pressure, and the outside air is sucked through the intake hole 42 as shown by the arrow F.
【００１９】斯くして、本発明は前述したように、吸気
弁体２８，２８がケース２２内に収納された各ダイヤフ
ラム２４，２４の底部中心部に形成されるため、該吸気
弁体２８，２８の作動音はケース２２内で消音され、更
に、該吸気弁体２８，２８と連通される吸気孔４２，４
２は該吸気弁体２８，２８が収納されるケース２２と別
ケースであるモータケース４０の下部に形成され、且
つ、該吸気弁体２８，２８から離れた位置に配置される
ので該吸気孔４２，４２から漏れる前記吸気弁体２８，
２８の作動音は極めて小さいものとなる。As described above, according to the present invention, since the intake valve bodies 28, 28 are formed at the bottom central portions of the respective diaphragms 24, 24 housed in the case 22, the intake valve bodies 28, 28 are formed. The operation noise of the suction valve 28 is silenced in the case 22, and the intake holes 42, 4 communicating with the intake valve bodies 28, 28 are further reduced.
2 is formed at a lower portion of a motor case 40 which is a separate case from the case 22 in which the intake valve bodies 28, 28 are housed, and is arranged at a position away from the intake valve bodies 28, 28, so that the intake holes 2 42, the intake valve body 28 leaking from 42,
The operation sound of 28 is extremely low.
【００２０】又、前記モータケース４０内を流れる空気
によって前記モータ３９の発熱を抑える冷却効果も期待
できる。Further, a cooling effect of suppressing the heat generation of the motor 39 by the air flowing through the motor case 40 can be expected.
【００２１】尚、本発明は、本発明の精神を逸脱しない
限り種々の改変を為すことができ、そして、本発明が該
改変されたものに及ぶことは当然である。The present invention can be variously modified without departing from the spirit of the present invention, and it goes without saying that the present invention extends to the modified ones.
【００２２】[0022]
【発明の効果】本発明は上記一実施の形態に詳述したよ
うに、ケース内に収納されたダイヤフラムが上下動され
てポンプ動作を行う小型ポンプに於て、前記各ダイヤフ
ラムの底部中心部に吸気弁部を構成し、更に、モータケ
ースの下部に外気を導入するための吸気孔を設けたか
ら、前記吸気弁体の作動音は前記ケース内で消音され、
更に、該吸気弁体と連通される前記吸気孔は該吸気弁体
が収納されるケースと別ケースである前記モータケース
の下部に形成され、且つ、該吸気弁体から離れた位置に
配置されるので該吸気孔から漏れる前記吸気弁体の作動
音は極めて小さいものとなる。又、前記モータケース内
を流れる空気によってモータの発熱を抑える冷却効果も
期待できる等、正に著大なる効果を奏する発明である。As described in detail in the above embodiment, the present invention relates to a small pump in which a diaphragm housed in a case is moved up and down to perform a pump operation. Since an intake valve portion is formed, and further, an intake hole for introducing outside air is provided at a lower portion of the motor case, an operation sound of the intake valve body is silenced in the case,
Further, the intake hole communicating with the intake valve body is formed at a lower portion of the motor case, which is a separate case from the case in which the intake valve body is housed, and is disposed at a position away from the intake valve body. Therefore, the operating noise of the intake valve body leaking from the intake hole is extremely small. In addition, the present invention has an extremely large effect, such as a cooling effect of suppressing heat generation of the motor by the air flowing in the motor case.
【図１】本発明の一実施の形態を示し、小型ポンプの縦
断面図。FIG. 1 shows an embodiment of the present invention and is a longitudinal sectional view of a small pump.
【図２】従来例を示し、小型ポンプの一部切欠正面図。FIG. 2 shows a conventional example, and is a partially cutaway front view of a small pump.
２１ 小型ポンプ ２２ ケース ２３ ポンプ室 ２４ ダイヤフラム ２６ 揺動体 ２８ 吸気弁体 ３０ 偏心回転軸 ３９ モータ ４０ モータケース ４１ 連通孔 ４２ 吸気孔 Ｖ1 吸気弁部21 small pump 22 case 23 pump chamber 24 diaphragm 26 oscillating body 28 the intake valve body 30 eccentric rotary shaft 39 motor 40 motor case 41 hole 42 suction holes V 1 intake valve portion
Claims (1)
イヤフラムを備え、偏心回転軸により揺動される揺動体
によって前記ダイヤフラムが上下動されてポンプ動作を
行う小型ポンプに於て、前記各ダイヤフラムの底部中心
部に吸気弁体を設けて吸気弁部を構成し、更に、駆動源
となるモータを収納するモータケースを前記ケースの前
記吸気弁部側に直結し、該ケースと該モータケースとの
間に連通孔を設けると共に、該モータケースの下部に外
気を導入するための吸気孔を形成したことを特徴とする
小型ポンプ。1. A small pump comprising a plurality of diaphragms forming a pump chamber in a case, wherein the diaphragm is vertically moved by an oscillating body oscillated by an eccentric rotary shaft to perform a pump operation. An intake valve body is provided at the center of the bottom of the intake valve to form an intake valve portion, and a motor case for housing a motor serving as a drive source is directly connected to the intake valve portion side of the case. A small-sized pump having a communication hole formed therebetween and an intake hole for introducing outside air below the motor case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000295525A JP4617554B2 (en) | 2000-09-28 | 2000-09-28 | Small pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000295525A JP4617554B2 (en) | 2000-09-28 | 2000-09-28 | Small pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002106471A true JP2002106471A (en) | 2002-04-10 |
| JP4617554B2 JP4617554B2 (en) | 2011-01-26 |
Family
ID=18777940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000295525A Expired - Fee Related JP4617554B2 (en) | 2000-09-28 | 2000-09-28 | Small pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4617554B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7331773B2 (en) | 2003-08-29 | 2008-02-19 | Mitsumi Electric Co., Ltd. | Pump provided with exhaust valve device and hemodynamometer incorporating the same |
| WO2009015528A1 (en) * | 2007-07-30 | 2009-02-05 | Fulling & Ceiec Co., Ltd. | A membrane pump |
| US7527595B2 (en) | 2003-08-29 | 2009-05-05 | Mitsumi Electric Co., Ltd. | Pump provided with exhaust valve device and hemodynamometer incorporating the same |
| DE10247293B4 (en) * | 2001-10-10 | 2011-02-17 | Mitsumi Electric Co., Ltd. | Pump, which is provided with partitions |
| TWI405904B (en) * | 2006-06-30 | 2013-08-21 | 三美電機股份有限公司 | Pump |
| CN108005888A (en) * | 2016-11-01 | 2018-05-08 | 厦门科际精密器材有限公司 | Piston component and pumping for pumping |
| WO2021200424A1 (en) | 2020-03-31 | 2021-10-07 | ミネベアミツミ株式会社 | Pump and air supply device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6287546B2 (en) * | 2014-04-25 | 2018-03-07 | ミツミ電機株式会社 | Actuators, air pumps, hairdressing equipment, laser scanning equipment |
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|---|---|---|---|---|
| JPS4940010U (en) * | 1972-07-11 | 1974-04-09 | ||
| JPS5129522Y1 (en) * | 1969-07-09 | 1976-07-26 | ||
| JPS547608A (en) * | 1977-06-20 | 1979-01-20 | Tokico Ltd | Reciprocating compressor |
| JPH11218082A (en) * | 1998-02-02 | 1999-08-10 | Ouken Seiko Kk | Pressure reducing pump |
| JP2001248564A (en) * | 2000-03-07 | 2001-09-14 | Mitsumi Electric Co Ltd | Compact pump |
| JP2002005029A (en) * | 2000-06-27 | 2002-01-09 | Mitsumi Electric Co Ltd | Small sized pump |
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- 2000-09-28 JP JP2000295525A patent/JP4617554B2/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5129522Y1 (en) * | 1969-07-09 | 1976-07-26 | ||
| JPS4940010U (en) * | 1972-07-11 | 1974-04-09 | ||
| JPS547608A (en) * | 1977-06-20 | 1979-01-20 | Tokico Ltd | Reciprocating compressor |
| JPH11218082A (en) * | 1998-02-02 | 1999-08-10 | Ouken Seiko Kk | Pressure reducing pump |
| JP2001248564A (en) * | 2000-03-07 | 2001-09-14 | Mitsumi Electric Co Ltd | Compact pump |
| JP2002005029A (en) * | 2000-06-27 | 2002-01-09 | Mitsumi Electric Co Ltd | Small sized pump |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10247293B4 (en) * | 2001-10-10 | 2011-02-17 | Mitsumi Electric Co., Ltd. | Pump, which is provided with partitions |
| US7331773B2 (en) | 2003-08-29 | 2008-02-19 | Mitsumi Electric Co., Ltd. | Pump provided with exhaust valve device and hemodynamometer incorporating the same |
| US7527595B2 (en) | 2003-08-29 | 2009-05-05 | Mitsumi Electric Co., Ltd. | Pump provided with exhaust valve device and hemodynamometer incorporating the same |
| TWI405904B (en) * | 2006-06-30 | 2013-08-21 | 三美電機股份有限公司 | Pump |
| WO2009015528A1 (en) * | 2007-07-30 | 2009-02-05 | Fulling & Ceiec Co., Ltd. | A membrane pump |
| CN108005888A (en) * | 2016-11-01 | 2018-05-08 | 厦门科际精密器材有限公司 | Piston component and pumping for pumping |
| CN108005888B (en) * | 2016-11-01 | 2019-09-17 | 厦门科际精密器材有限公司 | Piston component and pumping for pumping |
| WO2021200424A1 (en) | 2020-03-31 | 2021-10-07 | ミネベアミツミ株式会社 | Pump and air supply device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4617554B2 (en) | 2011-01-26 |
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