Separation column and liquid chromatography apparatus using the same
    21.
    发明授权
    Separation column and liquid chromatography apparatus using the same 失效
    分离柱和使用其的液相色谱仪

    公开(公告)号:US07901573B2

    公开(公告)日:2011-03-08

    申请号:US12081572

    申请日:2008-04-17

    IPC分类号: B01D15/08

    摘要: Disclosed herein is a separation column comprising a porous block covered with a coating wherein space-free adhesion is attainable therebetween by low temperature process without releasing octadecylsilyl bases and others from the porous block. A monolith rod 1 is covered with a metal or resin coating 2. Then, the monolith rod 1 covered by the coating 2 is further covered with a rod retainer 3 made of a low melting point metal (melting point 100-200 degrees C.) to form a column body 19. Since the rod retainer 3 is formed by pressure molding at low temperature (100-200 degrees C.). It is therefore possible to absorb the surface irregularities of the monolith rod 1 by the coating 2 while octadecylsilyl bases and others from are released when the retainer 3 is formed. This allows the potential separation ability of the porous block to be brought out maximally.

    摘要翻译: 本文公开了一种分离柱,其包括用涂层覆盖的多孔块,其中通过低温工艺在其间实现无空隙粘合,而不从多孔块中释放十八烷基甲硅烷基等。 整料棒1被金属或树脂涂层2覆盖。然后,用由低熔点金属(熔点100-200℃)制成的棒保持器3进一步覆盖由涂层2覆盖的整料棒1。 以形成柱体19.由于杆保持器3通过在低温(100-200℃)下的模压而形成。 因此,当保持器3形成时,可以通过涂层2吸收整料棒1的表面凹凸,同时十八烷基甲硅烷基等被释放。 这允许最大限度地排出多孔块的潜在分离能力。

    Separation column and liquid chromatography apparatus using the same
    22.
    发明申请
    Separation column and liquid chromatography apparatus using the same 失效
    分离柱和使用其的液相色谱仪

    公开(公告)号:US20080283458A1

    公开(公告)日:2008-11-20

    申请号:US12081572

    申请日:2008-04-17

    IPC分类号: B01D15/08 B01D15/22

    摘要: Disclosed herein is a separation column comprising a porous block covered with a coating wherein space-free adhesion is attainable therebetween by low temperature process without releasing octadecylsilyl bases and others from the porous block.A monolith rod 1 is covered with a metal or resin coating 2. Then, the monolith rod 1 covered by the coating 2 is further covered with a rod retainer 3 made of a low melting point metal (melting point 100-200 degrees C.) to form a column body 19. Since the rod retainer 3 is formed by pressure molding at low temperature (100-200 degrees C.). It is therefore possible to absorb the surface irregularities of the monolith rod 1 by the coating 2 while octadecylsilyl bases and others from are released when the retainer 3 is formed. This allows the potential separation ability of the porous block to be brought out maximally.

    摘要翻译: 本文公开了一种分离柱,其包括用涂层覆盖的多孔块,其中通过低温工艺在其间实现无空隙粘合,而不从多孔块中释放十八烷基甲硅烷基等。 整料棒1被金属或树脂涂层2覆盖。 然后,用由低熔点金属(熔点为100-200℃)制成的棒保持器3进一步覆盖由涂层2覆盖的整料棒1,以形成柱体19。 由于杆保持器3通过在低温(100-200℃)下进行压力成型而形成。 因此,当保持器3形成时,可以通过涂层2吸收整料棒1的表面凹凸,同时十八烷基甲硅烷基等被释放。 这允许最大限度地排出多孔块的潜在分离能力。

    Pump for liquid chromatography
    23.
    发明授权
    Pump for liquid chromatography 失效
    泵用于液相色谱

    公开(公告)号:US07063785B2

    公开(公告)日:2006-06-20

    申请号:US10902028

    申请日:2004-07-30

    IPC分类号: B01D15/08

    摘要: The invention provides a pump for liquid chromatography excellent in feeding liquid stably at an extremely low flow rate with high accuracy and in discharging bubbles at startup.At startup, a first plunger feeds solvent at a large flow rate to discharge bubbles in a pump and to fill the solvent into the pump in a short time and in a normal operation, the first plunger is stopped and the second plunger is pushed into a second pressure chamber at a low speed to feed the solvent at a low flow rate. When the second plunger reaches full stroke, the second plunger is pulled back at a high speed and at the same time the first plunger is pushed into a first pressure chamber in synchronization with the pullback of the second plunger to control the flow rate passing a discharge passage to a constant value at all times by a controller. Further, while the second plunger feeds the solvent, the first plunger is slightly pushed into the first pressure chamber to keep pressure in the first pressure chamber at pressure equal to or less than pressure in the second pressure chamber.

    摘要翻译: 本发明提供了一种液体色谱泵,其具有以极高的精度稳定地以极低的流量供给液体并在起动时排出气泡的液体色谱。 在启动时,第一柱塞以大流量供给溶剂以排出泵中的气泡并在短时间内和正常操作中将溶剂填充到泵中,使第一柱塞停止并将第二柱塞推入 第二压力室以低速进料以低流量进料溶剂。 当第二柱塞达到全行程时,第二柱塞被高速拉回,同时第一柱塞与第二柱塞的回退同步地被推入第一压力室,以控制通过排放的流量 任何时候都由控制器传递给恒定值。 此外,当第二柱塞进料溶剂时,第一柱塞稍微推入第一压力室,以将第一压力室中的压力保持在第二压力室中等于或小于压力的压力。

    Liquid feeding system
    24.
    发明申请
    Liquid feeding system 有权
    送液系统

    公开(公告)号:US20060000759A1

    公开(公告)日:2006-01-05

    申请号:US11171216

    申请日:2005-07-01

    IPC分类号: B01D15/08

    摘要: This liquid feeding system has the first and second pumps each of which is provided with a plunger. Liquid sucked through each of the pump suction ports is discharged out of the discharging port through the first pump and/or second pump. Under the starting operation mode, the second pump is stopped and only the first pump is operated. When the discharging pressure at the discharging port reaches up to a predetermined value, the starting operation mode is changed over to the normal operation mode. Under the normal operation mode, the first pump is stopped and only the second pump is operated.

    摘要翻译: 该液体供给系统具有第一和第二泵,每个泵设有柱塞。 通过每个泵吸入口吸入的液体通过第一泵和/或第二泵排出排出口。 在启动运行模式下,第二个泵停止运转,只有第一个泵运转。 当排出口的排出压力达到预定值时,启动操作模式转换到正常操作模式。 在正常运行模式下,第一个泵停止运转,只有第二个泵运转。

    Pump for liquid chromatograph
    28.
    发明授权
    Pump for liquid chromatograph 有权
    泵用于液相色谱

    公开(公告)号:US07588423B2

    公开(公告)日:2009-09-15

    申请号:US10695992

    申请日:2003-10-30

    IPC分类号: F04B3/00 F04B5/00 F04B25/00

    摘要: Provided is a liquid chromatograph pump system which sucks eluent from an eluent reserving container, and which feeds pressurized high pressure eluent into a column, wherein a plunger reciprocating in a cylinder is formed on its outer peripheral surface with a stepped part along the sliding direction of the plunger in the cylinder so as to define a working chamber between the stepper part and the inner wall surface of the cylinder, the flow rate of the liquid chromatograph pump being determined by the volume of the working chamber and the traveling speed of the plunger, thereby it is possible to stably feed a liquid at an extremely low flow rate, and to satisfactorily expel air bubbles upon a start of the liquid chromatograph pump system.

    摘要翻译: 提供了一种液体色谱泵系统,其从洗脱液储存容器中吸收洗脱液,并将加压的高压洗脱液进料到柱中,其中在圆筒中往复运动的柱塞沿着滑动方向的一个台阶部分形成在其外周表面上 柱塞在气缸中以便在步进部分和气缸的内壁表面之间限定工作室,液相色谱泵的流量由工作室的体积和柱塞的行进速度决定, 从而可以以极低的流量稳定地供给液体,并且在启动液相色谱泵系统时令人满意地排出气泡。

    Liquid feeding system
    29.
    发明授权
    Liquid feeding system 有权
    送液系统

    公开(公告)号:US07350401B2

    公开(公告)日:2008-04-01

    申请号:US11171216

    申请日:2005-07-01

    IPC分类号: G01N30/00

    摘要: This liquid feeding system has the first and second pumps each of which is provided with a plunger. Liquid sucked through each of the pump suction ports is discharged out of the discharging port through the first pump and/or second pump. Under the starting operation mode, the second pump is stopped and only the first pump is operated. When the discharging pressure at the discharging port reaches up to a predetermined value, the starting operation mode is changed over to the normal operation mode. Under the normal operation mode, the first pump is stopped and only the second pump is operated.

    摘要翻译: 该液体供给系统具有第一和第二泵,每个泵设有柱塞。 通过每个泵吸入口吸入的液体通过第一泵和/或第二泵排出排出口。 在启动运行模式下,第二个泵停止运转,只有第一个泵运转。 当排出口的排出压力达到预定值时,启动操作模式转换到正常操作模式。 在正常运行模式下,第一个泵停止运转,只有第二个泵运转。

    Pump, pump for liquid chromatography, and liquid chromatography apparatus
    30.
    发明授权
    Pump, pump for liquid chromatography, and liquid chromatography apparatus 有权
    泵,液相色谱泵和液相色谱仪

    公开(公告)号:US07189320B2

    公开(公告)日:2007-03-13

    申请号:US10902039

    申请日:2004-07-30

    IPC分类号: B01D15/08

    摘要: The invention provides a pump for liquid chromatography excellent in feeding liquid stably at an extremely low flow rate and in discharging bubbles at startup.In a pump for liquid chromatography including a cylinder and a plunger that reciprocates in the cylinder to suck and discharge fluid, the pump further includes a large-flow-rate pump that feeds liquid by the plunger, a small-flow-rate pump that feeds the liquid by the plunger, motion conversion means that converts the rotational motion of a motor to a reciprocating motion, an actuator that directly drives the plunger, and a drive part that drives the actuator, and selectively switches means for driving the plunger.

    摘要翻译: 本发明提供了一种液相色谱泵,其特征在于以极低的流速稳定地供给液体,并且在启动时排出气泡。 在用于液相色谱的泵中,包括在气缸中往复运动以吸入和排出流体的气缸和柱塞,泵还包括通过柱塞供液的大流量泵,供给液体的小流量泵, 通过柱塞的液体,将马达的旋转运动转换成往复运动的运动转换装置,直接驱动柱塞的致动器和驱动致动器的驱动部件,并且选择性地切换用于驱动柱塞的装置。