JPH08240200A - Pump device - Google Patents
Pump deviceInfo
- Publication number
- JPH08240200A JPH08240200A JP6495995A JP6495995A JPH08240200A JP H08240200 A JPH08240200 A JP H08240200A JP 6495995 A JP6495995 A JP 6495995A JP 6495995 A JP6495995 A JP 6495995A JP H08240200 A JPH08240200 A JP H08240200A
- Authority
- JP
- Japan
- Prior art keywords
- compressed fluid
- pump device
- pressure
- medium
- pump
- 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
Abstract
Description
【産業上の利用分野】本発明は、ポンプ装置に関し、よ
り詳しくは、各種の圧送媒体を効率よく噴出できるポン
プ装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pump device, and more particularly, to a pump device capable of efficiently ejecting various pressure-feeding media.
【従来の技術】従来、各種粉体、各種粒体等を吸入し目
的箇所に向けて噴出するポンプ装置においては、ポンプ
本体内に圧縮流体を用いて狭範囲の負圧（静圧）領域を
形成し、この負圧領域の負圧を利用して各種粉体、各種
粒体等の圧送媒体の吸入、噴出を行うようにしている。2. Description of the Related Art Conventionally, in a pump device for inhaling various powders, various particles, and the like and ejecting them toward a target location, a negative pressure (static pressure) region within a narrow range is formed by using a compressed fluid in the pump body. The negative pressure in this negative pressure region is used to suck and eject the pressure-feeding medium such as various powders and various particles.
【発明が解決しようとする課題】しかしながら、従来の
ポンプ装置の場合には、ポンプ本体内の負圧領域が極め
て小さいため、圧送媒体を大量に送ろうとする場合に
は、圧送媒体の量に応じた大量の圧縮流体を必要とし、
又、長距離圧送の場合には管路の途中に何箇所かの補助
ポンプを必要とし、このため、圧縮流体の消費量が増大
することになり、ポンプ装置全体の価格高騰を招いてい
た。本発明は、上記従来の課題を解決し、コスト上昇を
回避しつつ大量の圧送媒体の吸入、噴出にも対処できる
ポンプ装置を提供することを目的とするものである。However, in the case of the conventional pump device, since the negative pressure area in the pump body is extremely small, when trying to send a large amount of the pressure-feeding medium, the amount of the pressure-feeding medium is changed. Requires a large amount of compressed fluid,
Further, in the case of long-distance pressure feeding, some auxiliary pumps are required in the middle of the pipeline, which results in an increase in the consumption of compressed fluid, resulting in a sharp rise in the price of the entire pump device. It is an object of the present invention to solve the above conventional problems and to provide a pump device capable of coping with suction and ejection of a large amount of pressure-feeding medium while avoiding cost increase.
【課題を解決するための手段】請求項１記載の発明は、
圧送媒体を吸入口から吸入し噴出口から噴出するポンプ
装置において、前記吸入口から前記噴出口に至るポンプ
本体内の流路に対し平行角度若しくは略平行角度の複数
段に亘る圧縮流体を供給し前記圧送媒体の噴出方向に沿
った負圧領域を形成する圧縮流体供給手段を設けたこと
を特徴とするものである。請求項２記載の発明は、請求
項１記載のポンプ装置における圧縮流体供給手段を、前
記ポンプ本体の壁面に設けた圧縮流体を導入する圧縮流
体導入孔と、前記ポンプ本体内の圧送媒体の流路に臨ま
せた筒状管体及びこの筒状管体の端面に接合したテーパ
状管体の複数段の組み合わせからなる内装筒体と、この
内装筒体における筒状管体とテーパ状管体との各接合部
に形成され前記圧送媒体の流路の中心に向けて前記圧縮
流体導入孔からの圧縮流体を斜めに供給して圧送媒体の
噴出方向に沿った負圧領域を形成するノズル部とから構
成したものである。請求項３記載の発明は、前記請求項
１又は２記載のポンプ装置における前記圧送媒体が、防
爆性のあるガス又は危険性のあるガス、各種粉体、各種
粒体、金属粉、穀物、砂、落葉、汚泥等から選ばれるも
のである請求項１又は２記載のポンプ装置。According to the first aspect of the present invention,
In a pump device that sucks a pressure-feeding medium from a suction port and jets it from a jet port, a compressed fluid is supplied in a plurality of stages at a parallel angle or a substantially parallel angle to a flow path in the pump body from the suction port to the jet port. It is characterized in that a compressed fluid supply means for forming a negative pressure region along the ejection direction of the pressure-feeding medium is provided. According to a second aspect of the present invention, the compressed fluid supply means in the pump device according to the first aspect is provided with a compressed fluid introduction hole for introducing a compressed fluid provided in a wall surface of the pump body, and a flow of a pressure feeding medium in the pump body. An inner tubular body composed of a combination of a plurality of stages of a tubular tubular body facing a road and a tapered tubular body joined to an end surface of the tubular tubular body, and the tubular tubular body and the tapered tubular body in the internal tubular body And a nozzle portion that is formed at each junction with the compressed fluid from the compressed fluid introduction hole obliquely toward the center of the flow path of the pressure feeding medium to form a negative pressure region along the ejection direction of the pressure feeding medium. It is composed of and. According to a third aspect of the present invention, the pumping medium in the pump device according to the first or second aspect is an explosion-proof gas or a dangerous gas, various powders, various particles, metal powders, grains, sand. The pump device according to claim 1 or 2, wherein the pump device is selected from among leaves, sludge and sludge.
【作用】以下に本発明のポンプ装置の作用を説明する。
請求項１記載のポンプ装置において圧送媒体を吸入口か
ら吸入し噴出口から噴出するに際して、圧縮流体供給手
段は、前記吸入口から噴出口に至るポンプ本体内の流路
に対し、平行角度若しくは略平行角度で複数段に亘る圧
縮流体を圧送する。これにより、ポンプ本体内の流路に
は、前記圧送媒体の噴出方向に沿った広範囲の負圧領域
が形成されることになり、大量の圧送媒体の吸入、噴出
を行う場合でも少量の圧縮流体を用いるだけですみ、コ
スト上昇を招くことなく大量の圧縮流体の吸入、噴出に
も対処できる。請求項２記載のポンプ装置においては、
圧縮流体供給手段における圧縮流体導入孔からポンプ本
体内に導入される圧縮流体は、内装筒体における筒状管
体とテーパ状管体との各接合部に形成された各ノズル部
から前記圧送媒体の流路の中心に向けて斜めに供給され
る。これにより、ポンプ本体内に前記圧送媒体の噴出方
向に沿って各ノズル部の段数に応じた広範囲の負圧領域
が形成されることになり、大量の圧送媒体の吸入、噴出
を行う場合でも少量の圧縮流体を用いるだけで済み、コ
ストの上昇を招くことなく大量の圧送媒体の吸入、噴出
にも対処できる。請求項３記載の発明は、前記請求項１
又は２記載のポンプ装置における前記圧送媒体を、防爆
性のあるガス又は危険性のあるガス、各種粉体、各種粒
体、金属粉、穀物、砂、落葉、汚泥等から選ばれるもの
としたので、極めて広範囲に亘る圧送媒体の吸入、噴出
に対処できる。The operation of the pump device of the present invention will be described below.
In the pump device according to claim 1, when the pumping medium is sucked from the suction port and jetted from the jet port, the compressed fluid supply means has a parallel angle or substantially the same as a flow path in the pump body from the suction port to the jet port. Compressed fluid is pumped over multiple stages at parallel angles. As a result, a wide range of negative pressure region is formed in the flow passage in the pump body along the jet direction of the pressure-feed medium, and even when a large amount of the pressure-feed medium is sucked and jetted, a small amount of compressed fluid is used. It is possible to handle a large amount of compressed fluid inhalation and ejection without incurring cost increase. In the pump device according to claim 2,
The compressed fluid introduced into the pump main body from the compressed fluid introduction hole in the compressed fluid supply means is supplied from the nozzle portions formed at the joints between the tubular tubular body and the tapered tubular body in the internal tubular body to the pressure feeding medium. Is supplied obliquely toward the center of the flow path. As a result, a wide range of negative pressure regions corresponding to the number of stages of each nozzle portion is formed in the pump body along the ejection direction of the pressure-feeding medium, and even when a large amount of the pressure-feeding medium is sucked and ejected, a small amount It is sufficient to use the above compressed fluid, and it is possible to cope with suction and ejection of a large amount of the pressure-feeding medium without increasing the cost. The invention according to claim 3 is the same as claim 1
Alternatively, the pumping medium in the pump device according to 2 is selected from explosion-proof gas or dangerous gas, various powders, various particles, metal powders, grains, sand, litter, sludge, etc. It is possible to cope with suction and ejection of the pressure-feeding medium over an extremely wide range.
【実施例】以下に、添付図面を参照して本発明に係るポ
ンプ装置の実施例を詳細に説明する。図１に示すポンプ
装置は、防爆性のあるガス又は危険性のあるガス、各種
粉体、各種粒体、金属粉、穀物、砂、落葉、汚泥等から
選ばれる圧送媒体を吸入口２から吸入し噴出口３から噴
出する円筒状で防曝構造のポンプ本体１と、このポンプ
本体１に設けた圧縮流体供給手段４とを有している。前
記ポンプ本体１は、一端に吸入口２を備えた第１の筒体
５と、この第１の筒体５の他端側に一端が装着され、他
端側に噴出口３を備えたテーパ状の第２の筒体６とを具
備し、第１の筒体５と第２の筒体６とをＯリング７によ
り密に接合するとともに、ねじ８を用いて前記第１の筒
体５と第２の筒体６とを締結している。前記圧縮流体供
給手段４は、前記吸入口２から噴出口３に至るポンプ本
体１内の流路に対し平行角度若しくは略平行角度の複数
段にわたって圧縮流体を圧送し、前記圧送媒体の噴出方
向に沿った広範囲の負圧領域Ｘを形成するようになって
いる。即ち、この圧縮流体供給手段４は、前記ポンプ本
体１の第１の筒体５の壁面に設けた圧縮流体を導入する
圧縮流体導入孔１１と、前記ポンプ本体１内の圧送媒体
の流路に臨ませた筒状管体１２及びこの筒状管体１２の
端面に接合したテーパ状管体１３の例えば３段の組み合
わせからなる内装筒体１４と、この内装筒体１４におけ
る筒状管体１２とテーパ状管体１３との各接合部に、そ
の円周方向に沿って例えば各々４箇所に亘って形成さ
れ、前記圧送媒体の流路の中心に向けて前記圧縮流体導
入孔１１からの圧縮流体を斜めに、即ち、圧送媒体の流
路の中心に対して１５度の傾斜角度をもって供給し、圧
送媒体の噴出方向に沿った負圧領域Ｘを形成する図２に
も示す一段で４個、合計１２個のノズル部１５とから構
成している。前記第１の筒体５と筒状管体１２との接合
端部、筒状管体１２とテーパ状管体１３との接合端部、
テーパ状管体１３と第２の筒体６との接合端部には各々
Ｏリング１６が嵌着されている。図３は前記各ノズル部
１５による圧縮流体の噴出軌跡を示すものであり、各段
の４個のノズル部１５の形成位置を円周方向に沿って９
０度間隔のＰ１乃至Ｐ４位置とすると、相対向するＰ
１、Ｐ３位置の２個のノズル部１５からの圧縮流体の噴
出軌跡が中心線ＣＬ上のある一点Ｑ１で交わり、相対向
するＰ２、Ｐ４位置の２個のノズル部１５からの圧縮流
体の噴出軌跡が中心線ＣＬ上の前記一点Ｑ１とは異なる
一点Ｑ２で交わるようにしている。これにより、負圧領
域Ｘの圧送媒体の噴出方向に沿った範囲を拡大してい
る。上述したポンプ装置の作用を以下に説明する。この
ポンプ装置において圧送媒体を吸入口２から吸入し噴出
口３から噴出するに際して、圧縮流体供給手段４におけ
る圧縮流体導入孔１１からポンプ本体１内に導入される
圧縮空気は、内装筒体１４における筒状管体１２とテー
パ状管体１３との各接合部に形成された各ノズル部１５
から前記圧送媒体の流路の中心線ＣＬに向けて１５度角
度をもって斜めに供給される。これにより、ポンプ本体
１内に前記圧送媒体の噴出方向に沿って各ノズル部１５
の段数、即ち、３段に応じた広範囲の負圧領域Ｘが形成
され圧送能力が増幅されることになり、大量の圧送媒体
の吸入、噴出を行う場合や、長距離圧送を行う場合でも
少量の圧縮流体を用いるだけですみ、コスト上昇を招く
ことなく大量の圧送媒体の吸入、噴出にも対処できる。
そして、前記圧送媒体を、防爆性のあるガス又は危険性
のあるガス、各種粉体、各種粒体、金属粉、穀物、砂、
落葉、汚泥等から選ぶことにより、極めて広範囲にわた
る圧送媒体の吸入、噴出に対処できる。前記ポンプ装置
の性能の具体例を以下に説明する。環境条件としては、
温度１６℃、湿度４０％、大気圧１０１３ＨＰａ、空気
密度１２３１ｇ／ｍ3とし、圧縮流体として７Ｋｇｆ／
ｃｍ2の圧縮空気を用いる。圧縮空気の供給量（消費
量）を１．００ｍ3／分、風速１５０乃至９０ｍ／ｓ
で、平均風速１２０ｍ／ｓとする。ポンプ本体１の流路
の直径を９５ｍｍとしたとき、その面積は、（π×０．
０９５）÷４＝０．００７０８×１０-3＝７．０８ ｍ2
となり、ポンプ本体１の噴出空気量は、７．０８ｍ2×
１０-3×１２０ｍ×６０＝５０．９８ｍ3／分となり、
従って、ポンプ本体１への吸入量は５０．９８−１．０
＝４９．９８ｍ3／分となる。この結果、上記のよう
に、ポンプ本体１への吸入量は５０．９８−１．０＝４
９．９８ｍ3／分となり、圧縮空気の供給量の約５０倍
の噴出空気量を得ることができる。なお、前記圧縮流体
供給手段４における筒状管体１２とテーパ状管体１３と
の組み合わせ段数は上述した場合のほか、目的に応じて
段数を増やして実施できる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Below, a port according to the present invention will be described with reference to the accompanying drawings.
An embodiment of the pump device will be described in detail. Pump shown in FIG.
The equipment should be of an explosion-proof or dangerous gas,
From powder, various granules, metal powder, grains, sand, defoliation, sludge, etc.
The selected pumping medium is sucked from the suction port 2 and jetted from the jet port 3.
This is a cylindrical pump body 1 with a radiation-proof structure, and this pump.
It has a compressed fluid supply means 4 provided in the main body 1. Before
The pump body 1 is a first cylindrical body having an inlet 2 at one end.
5, one end of which is attached to the other end of the first tubular body 5
And a tapered second cylindrical body 6 having a jet port 3 on the end side.
The first tubular body 5 and the second tubular body 6 are connected by the O-ring 7.
While closely bonding, the screw 8 is used to attach the first cylinder.
The body 5 and the second tubular body 6 are fastened together. Supply of the compressed fluid
The supply means 4 is a pump main from the suction port 2 to the jet port 3.
A plurality of parallel or substantially parallel angles to the flow path in the body 1
How to eject compressed fluid by pumping compressed fluid over steps
Forming a wide negative pressure region X along the direction
There is. That is, this compressed fluid supply means 4 is
Introduce the compressed fluid provided on the wall surface of the first cylindrical body 5 of the body 1.
Compressed fluid introducing hole 11 and pumping medium in the pump body 1
Of the tubular tube body 12 facing the flow path of
Combination of, for example, three stages of the tapered tube body 13 joined to the end surface
The inner cylindrical body 14 made of garnish and the inner cylindrical body 14
At each joint between the cylindrical tubular body 12 and the tapered tubular body 13
Along the circumference of the
The compressed fluid guide toward the center of the flow path of the pumping medium.
The compressed fluid from the inlet 11 is slanted, that is, the flow of the pressure-feeding medium.
Supply with an inclination angle of 15 degrees to the center of the road,
In FIG. 2, which forms a negative pressure region X along the ejection direction of the medium to be sent,
Also shown in FIG.
Is made. Joining of the first tubular body 5 and the tubular tubular body 12
An end portion, a joining end portion of the tubular tubular body 12 and the tapered tubular body 13,
Each of the joining ends of the tapered tubular body 13 and the second tubular body 6 has
The O-ring 16 is fitted. FIG. 3 shows the nozzle parts.
15 shows the ejection trajectory of the compressed fluid by 15.
The four nozzle parts 15 are formed along the circumferential direction by 9
If P1 to P4 positions are arranged at 0 degree intervals, P
Injection of compressed fluid from the two nozzles 15 at positions 1 and 3
The exit loci intersect at a certain point Q1 on the center line CL and face each other.
Compressed flow from the two nozzle parts 15 at P2 and P4 positions
The jet trajectory of the body is different from the one point Q1 on the center line CL
I try to meet at one point Q2. This allows negative pressure
The range along the ejection direction of the pressure-feeding medium in the zone X is expanded.
It The operation of the pump device described above will be described below. this
In the pump device, the pumping medium is sucked from the suction port 2 and ejected.
When ejecting from the mouth 3, place it in the compressed fluid supply means 4.
Is introduced into the pump body 1 from the compressed fluid introduction hole 11
The compressed air is transferred to the tubular body 12 and the table in the inner tubular body 14.
Each nozzle portion 15 formed at each joint with the tubular pipe body 13
From the center line CL of the flow path of the pumping medium at a 15 degree angle
Supplied diagonally with a degree. This allows the pump body
Nozzle parts 15 in the nozzle 1 along the ejection direction of the pressure-feeding medium.
Wide range of negative pressure region X is formed according to the number of stages
The pumping capacity is amplified and a large amount of pumping medium
Even when inhaling and ejecting, or when performing long-distance pumping
Only a small amount of compressed fluid is used, resulting in cost increase
It is possible to deal with inhalation and ejection of a large amount of pressure-feeding medium.
Then, the pressure-feeding medium is replaced with an explosion-proof gas or a dangerous substance.
Gas, various powders, various particles, metal powders, grains, sand,
By selecting from fallen leaves, sludge, etc.
It is possible to deal with inhalation and ejection of the pressure-feeding medium. The pump device
A specific example of the performance of will be described below. As environmental conditions,
Temperature 16 ° C, humidity 40%, atmospheric pressure 1013 HPa, air
Density 1231 g / m3And 7 kgf / as compressed fluid
cm2Of compressed air is used. Compressed air supply (consumption
Amount) 1.00m3/ Min, wind speed 150 to 90m / s
The average wind speed is 120 m / s. Flow path of pump body 1
When the diameter is 95 mm, the area is (π × 0.
095) ÷ 4 = 0.00708 × 10-3= 7.08 m2
And the amount of air blown from the pump body 1 is 7.08 m2×
10-3× 120m × 60 = 50.98m3/ Minute,
Therefore, the suction amount into the pump body 1 is 50.98-1.0.
= 49.98m3/ Minute. This results in the above
In addition, the suction amount into the pump body 1 is 50.98-1.0 = 4.
9.98m3/ Min, about 50 times the amount of compressed air supplied
Can be obtained. The compressed fluid
The tubular tube body 12 and the tapered tube body 13 in the supply means 4
Depending on the purpose, the number of combinations of
It can be implemented by increasing the number of stages.
【発明の効果】以上詳述した本発明は以下の各効果を奏
する。請求項１記載の発明によれば、大量の圧縮媒体の
吸入、噴出を行う場合や、長距離圧送を行う場合でも少
量の圧縮流体を用いるだけですみ、コスト上昇を招くこ
となく大量の圧送媒体の吸入、噴出にも対処できるポン
プ装置を提供することができる。請求項２記載の発明に
よれば、圧縮流体供給手段における圧縮流体導入孔から
ポンプ本体内に導入される圧縮流体は、内装筒体におけ
る筒状管体とテーパ状管体との各接合部に形成された各
ノズル部から前記圧送媒体の流路の中心に向けて斜めに
供給され圧送媒体の噴出方向に沿って各ノズル部の段数
に応じた広範囲の負圧領域が形成されることになり、大
量の圧送媒体の吸入、噴出を行う場合でも少量の圧縮流
体を用いるだけですみ、コスト上昇を招くことなく大量
の圧送媒体の吸入、噴出にも対処できるポンプ装置を提
供することができる。請求項３記載の発明によれば、請
求項１又は２記載のポンプ装置における前記圧送媒体
を、防爆性のあるガス又は危険性のあるガス、各種粉
体、各種粒体、金属粉、穀物、砂、落葉、汚泥等から選
ばれるものとしたので、極めて広範囲に亘る圧送媒体の
吸入、噴出に対処できる。The present invention described in detail above has the following effects. According to the invention described in claim 1, even when a large amount of compressed medium is sucked and ejected, or when long-distance pressure feeding is performed, only a small amount of compressed fluid is used, and a large amount of compressed medium is not brought about without an increase in cost. It is possible to provide a pump device capable of coping with inhalation and ejection of water. According to the invention described in claim 2, the compressed fluid introduced into the pump main body from the compressed fluid introduction hole in the compressed fluid supply means is applied to each joint portion between the tubular pipe body and the tapered pipe body in the internal tubular body. A wide range of negative pressure regions corresponding to the number of stages of each nozzle portion is formed along the ejection direction of the pressure-feeding medium, which is obliquely supplied from each formed nozzle portion toward the center of the flow path of the pressure-feeding medium. It is possible to provide a pump device that can cope with suction and ejection of a large amount of pressure-feeding medium without increasing cost, even if a small amount of compressed fluid is used even when performing suction and ejection of a large amount of pressure-feeding medium. According to the invention described in claim 3, the pumping medium in the pump device according to claim 1 or 2, the explosion-proof gas or dangerous gas, various powders, various particles, metal powders, grains, Since the material is selected from sand, defoliation, sludge, etc., it is possible to cope with the suction and ejection of the pressure-feeding medium over an extremely wide range.
【図１】本発明の実施例装置の断面図である。FIG. 1 is a sectional view of an apparatus according to an embodiment of the present invention.
【図２】本発明の実施例装置のノズル部の拡大部分断面
図である。FIG. 2 is an enlarged partial sectional view of a nozzle portion of an apparatus according to an embodiment of the present invention.
【図３】本発明の実施例装置の圧縮流体の流路を示す説
明図である。FIG. 3 is an explanatory diagram showing a flow path of a compressed fluid of an apparatus according to an embodiment of the present invention.
１ ポンプ本体 ２ 吸入口 ３ 噴出口 ４ 圧縮流体供給手段 ５ 第１の筒体 ６ 第２の筒体 １１ 圧縮流体導入孔 １２ 筒状管体 １３ テーパ状管体 １４ 内装筒体 １５ ノズル部 Ｘ 負圧領域 1 Pump Main Body 2 Suction Port 3 Jet Port 4 Compressed Fluid Supply Means 5 First Cylinder 6 Second Cylinder 11 Compressed Fluid Introduction Hole 12 Cylindrical Tubing 13 Tapered Tubing 14 Internal Cylindrical 15 Nozzle X Negative Pressure area
Claims (3)
出するポンプ装置において、前記吸入口から前記噴出口
に至るポンプ本体内の流路に対し平行角度若しくは略平
行角度の複数段に亘る圧縮流体を供給し、前記圧送媒体
の噴出方向に沿った負圧領域を形成する圧縮流体供給手
段を設けたことを特徴とするポンプ装置。1. A pump device for sucking a pressure-feeding medium from an intake port and ejecting it from an ejection port, which has a plurality of parallel or substantially parallel angles to a flow path in the pump body from the intake port to the ejection port. A pump device comprising a compressed fluid supply means for supplying a compressed fluid to form a negative pressure region along the ejection direction of the pressure-feeding medium.
の壁面に設けた圧縮流体を導入する圧縮流体導入孔と、
前記ポンプ本体内の圧送媒体の流路に臨ませた筒状管体
及びこの筒状管体の端面に接合したテーパ状管体の複数
段の組み合わせからなる内装筒体と、この内装筒体にお
ける筒状管体とテーパ状管体との各接合部に形成され前
記圧送媒体の流路の中心に向けて前記圧縮流体導入孔か
らの圧縮流体を斜めに供給して圧送媒体の噴出方向に沿
った負圧領域を形成するノズル部とから構成したもので
ある請求項１記載のポンプ装置。2. The compressed fluid supply means includes a compressed fluid introduction hole for introducing a compressed fluid provided on a wall surface of the pump body,
An internal cylinder made of a combination of a plurality of stages of a cylindrical tube facing the flow path of the pumping medium in the pump body and a tapered tube joined to the end surface of the cylindrical tube, and the internal cylinder The compressed fluid from the compressed fluid introduction hole is obliquely supplied toward the center of the flow path of the pressure-feeding medium formed at each joint between the tubular tube body and the tapered tube body, and along the ejection direction of the pressure-feeding medium. The pump device according to claim 1, wherein the pump device comprises a nozzle portion forming a negative pressure region.
険性のあるガス、各種粉体、各種粒体、金属粉、穀物、
砂、落葉、汚泥等から選ばれるものである請求項１又は
２記載のポンプ装置。3. The pressurizing medium is an explosion-proof gas or a dangerous gas, various powders, various particles, metal powders, grains,
The pump device according to claim 1 or 2, which is selected from sand, fallen leaves, sludge and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6495995A JPH08240200A (en) | 1995-02-28 | 1995-02-28 | Pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6495995A JPH08240200A (en) | 1995-02-28 | 1995-02-28 | Pump device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08240200A true JPH08240200A (en) | 1996-09-17 |
Family
ID=13273099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6495995A Pending JPH08240200A (en) | 1995-02-28 | 1995-02-28 | Pump device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08240200A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001056000A (en) * | 1999-08-12 | 2001-02-27 | Yoshihiro Kawasaki | Air jet pump and jet nozzle used therein, and jetting method for jet nozzle |
| JP2002364600A (en) * | 2001-06-06 | 2002-12-18 | Hitachi Zosen Corp | Ejector |
| JP2012042064A (en) * | 2010-08-13 | 2012-03-01 | Yutaka Senzaki | Ventilator |
| FR3085282A1 (en) * | 2018-09-06 | 2020-03-06 | Hevatech | DEVICE FOR FRACTIONATING AND MIXING TWO FLUIDS FOR MAXIMIZING THE EFFICIENCY OF A THERMAL ENERGY TO KINETIC ENERGY CONVERTER |
| JP2022041767A (en) * | 2020-09-01 | 2022-03-11 | 久夫 大野 | Pump and pump system |
-
1995
- 1995-02-28 JP JP6495995A patent/JPH08240200A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001056000A (en) * | 1999-08-12 | 2001-02-27 | Yoshihiro Kawasaki | Air jet pump and jet nozzle used therein, and jetting method for jet nozzle |
| JP2002364600A (en) * | 2001-06-06 | 2002-12-18 | Hitachi Zosen Corp | Ejector |
| JP2012042064A (en) * | 2010-08-13 | 2012-03-01 | Yutaka Senzaki | Ventilator |
| FR3085282A1 (en) * | 2018-09-06 | 2020-03-06 | Hevatech | DEVICE FOR FRACTIONATING AND MIXING TWO FLUIDS FOR MAXIMIZING THE EFFICIENCY OF A THERMAL ENERGY TO KINETIC ENERGY CONVERTER |
| JP2022041767A (en) * | 2020-09-01 | 2022-03-11 | 久夫 大野 | Pump and pump system |
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