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    • 4. 发明专利
    • Volume type reciprocating pump and volume type reciprocating pump apparatus
    • 容积型泵和泵体积泵类装置
    • JP2012225329A
    • 2012-11-15
    • JP2011096257
    • 2011-04-22
    • Koei Service:Kk株式会社 コーエイサービス
    • IJIRI OSAMUHATTORI YOSHINOBU
    • F04B9/04F04B1/02
    • PROBLEM TO BE SOLVED: To provide a volume type reciprocating pump which is used underwater.SOLUTION: The volume type reciprocating pump includes: a penetrating eccentric shaft member accommodating hole 15; pump chambers 17L, 17R extended from the eccentric shaft member accommodating hole 15 in the direction vertical to the shaft of the eccentric shaft member accommodating hole 15; a pump casing 11 which has a suction hole and an ejection hole leading to the pump chambers 17L, 17R; an eccentric shaft member 21 which is accommodated in the eccentric shaft member accommodating hole 15; an underwater bearing 31 which is attached to an eccentric shaft part 25 of the eccentric shaft member 21; and a piston 41 which is driven so as to reciprocate in the pump chambers 17L, 17R via the underwater bearing 31, sucks liquid from the suction hole into the pump chambers 17L, 17R and ejects the liquid from the ejection hole.
    • 要解决的问题:提供一种在水下使用的体积型往复泵。 容积型往复泵包括:穿透偏心轴构件容纳孔15; 从偏心轴构件容纳孔15沿垂直于偏心轴构件容纳孔15的轴的方向延伸的泵室17L,17R; 泵壳体11具有吸入孔和通向泵室17L,17R的喷射孔; 容纳在偏心轴构件容纳孔15中的偏心轴构件21; 安装在偏心轴构件21的偏心轴部25上的水下轴承31; 并且通过水下轴承31被驱动以在泵室17L,17R中往复运动的活塞41将吸入孔的液体吸入泵室17L,17R,并从喷出孔喷出液体。 版权所有(C)2013,JPO&INPIT
    • 6. 发明专利
    • Positive-displacement reciprocating pump
    • JP4628481B1
    • 2011-02-09
    • JP2009242202
    • 2009-10-21
    • 有限会社 アイテックス
    • 吉延 服部
    • F04B9/04F04B1/02F04B53/00
    • 【課題】ハウジングの構造が簡単で、組立が容易で、安価に製造することのできる容積形往復ポンプを提供する。
      【解決手段】ハウジング11に一軸線上に対向させて設けられた左、右側ポンプ室15L,15R内を往復動する左、右側ピストン部53L,53Rが両端部に設けられた連結ピストン51を、ハウジング11に回転軸23を一軸線と直交する直交軸線方向へ向けて取り付けられたモータ21によって往復動させる容積形往復ポンプPにおいて、モータ21の回転軸23に、この回転軸23の軸心に対して偏心したカム軸33を有する偏心軸部材31を取り付けるとともに、カム軸33に水中軸受け41を取り付け、連結ピストン51の中央部に設けられた凹部55を形成する、直交軸線方向へ延びた左、右側側壁面55l,55rの間に水中軸受け41を嵌入させる。
      【選択図】図1
    • 7. 发明专利
    • Method and device for accelerating mixing of solvent and solute
    • 用于加速溶剂和溶剂混合的方法和装置
    • JP2009121483A
    • 2009-06-04
    • JP2009004069
    • 2009-01-09
    • Teledyne Isco Incテレダイン イズコ、インク.Isco, Inc.
    • ALLINGTON ROBERT WBLAKLEY SCOTT LWALTERS HENRY L
    • F04B13/00B01F11/00F04B1/02F04B9/04F04B11/00F04B49/06G01N30/32G01N30/36
    • F04B1/02F04B11/0058F04B11/0083F04B49/065F04B2203/0209F04B2205/05F04B2205/09G01N30/36G01N2030/326
    • PROBLEM TO BE SOLVED: To provide a new arrangement for synchronizing gradient generator by equalizing re-compression volume to re-compression volume of a high pressure pump. SOLUTION: During the initial portion of the pumping stroke of a first piston in which fluid is being compressed due to its finite bulk modulus of elasticity its check valve remains closed, a second piston provides all the flow required at a fixed rotational speed. Then, once the pressure inside the first piston's cylinder has reached that of the discharge and its discharge check valve opens, the control system switches to a constant-pressure control mode, thereby maintaining the flow rate at a fixed value. Constant-pressure control is again switched off when the second piston's discharge check valve closes, and pump control returns to fixed rotational speed. Determining the angular displacement at which to effect these control-mode switches is carried out by monitoring the discharge pressure and storing the values of the angular displacement at which the first temporal derivative of pressure changes rapidly. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种通过使再压缩体积与高压泵的再压缩体积相等来同步梯度发生器的新装置。 解决方案:在第一活塞的泵送冲程的初始部分期间,由于其有限的体积弹性模量,流体被压缩,其止回阀保持关闭,第二活塞提供固定转速所需的所有流量 。 然后,一旦第一活塞气缸内的压力达到排放压力,其排气止回阀打开,则控制系统切换到恒压控制模式,从而将流量维持在固定值。 当第二活塞的排放止回阀关闭时,恒压控制再次关闭,并且泵控制返回到固定的转速。 确定实现这些控制模式开关的角位移通过监视排出压力并存储压力的第一时间导数快速变化的角位移的值来进行。 版权所有(C)2009,JPO&INPIT
    • 8. 发明专利
    • pump
    • PUMP
    • JP2008045501A
    • 2008-02-28
    • JP2006222724
    • 2006-08-17
    • Tss Co Ltd株式会社Tss
    • TANAKA TAKESHI
    • F04B1/02F04B43/02F04B43/08
    • PROBLEM TO BE SOLVED: To provide a pump with reduced size, flowing fluid therefrom with high pressure and suppressing vibration or noise. SOLUTION: The pump 10 comprises: a pump case 20 having inlet port 21 and an outlet port 23 for fluid and a flow passage 25 formed therein; a pair of cylinders 27, 27 disposed across a part of the flow passage 25 in a direction opposed to each other; a pair of pistons 120, 120 respectively arranged in each cylinder 27; a drive means sliding the pistons 120 respectively in synchronism with each other in a direction toward the flow passage 25 and in a direction away from the flow passage 25; a first valve element 70 disposed to be closer to an inlet port 21 side than an intersection part of the flow passage 25 and the cylinder 27, opened when the inside of the flow passage 25 is decompressed, closed when the inside of the flow passage 25 is pressurized; and a second valve element 72 disposed to be closer to an outlet port 23 side than the intersection part of the flow passage 25 and the cylinder 27, opened when the inside of the flow passage 25 is pressurized, and closed when the inside of the flow passage 25 is decompressed. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供减小尺寸的泵,以高压流动其流体并且抑制振动或噪音。 泵10包括:泵壳体20,其具有入口21和用于流体的出口23和形成在其中的流动通道25; 一对气缸27,27,设置在流路25的一部分上,在彼此相反的方向上; 分别布置在每个气缸27中的一对活塞120,120; 驱动装置使活塞120在朝向流路25的方向上分离并且在远离流路25的方向上相互同步地滑动; 第一阀元件70设置成比流路25和气缸27的交叉部分更靠近入口21侧,当流路25的内部被减压时打开,当流路25的内部 加压; 以及第二阀元件72,其设置成比流路25和气缸27的交叉部分更靠近出口23侧,当流路25的内部被加压时打开,并且当流体的内部 通道25被减压。 版权所有(C)2008,JPO&INPIT