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    • 3. 发明授权
    • Two beam alternating light colorimeter
    • 双光束交替光色度计
    • US4283142A
    • 1981-08-11
    • US108461
    • 1979-12-31
    • Hubert De SteurChris VandenbosscheGuido Heyneman
    • Hubert De SteurChris VandenbosscheGuido Heyneman
    • G01N21/27G01J1/36G01J3/08G01J3/42
    • G01J1/36
    • A two beam alternating light colorimeter is disclosed wherein a light beam passing through a lens system having a shutter is periodically deflected by a pivoting mirror. In a first non-deflecting position of the pivotable mirror a first measuring beam is created which passes through a first measuring cell and is guided to a common photo cell. In a second deflecting position of the mirror a second measuring beam is created which is guided through a second measuring cell to the same photo cell. Signals from the photo cell are connected through a controlled switching element to an analog memory. A computing circuit is provided which connects to an output of the analog memory and also to the photo cell. The switching element connects the first measuring signal to the analog memory when the mirror is in a non-deflecting position and opens when the mirror is in a deflecting position. The computing circuit compares the signals corresponding to the first and second measuring beams.
    • 公开了一种双光束交替光色度计,其中通过具有快门的透镜系统的光束由枢转反射镜周期性地偏转。 在可枢转镜的第一非偏转位置中,产生通过第一测量池并被引导到公共光电池的第一测量光束。 在反射镜的第二偏转位置中,产生第二测量光束,其被引导通过第二测量单元到相同的光电池。 来自光电池的信号通过受控的开关元件连接到模拟存储器。 提供了一种连接到模拟存储器的输出端以及光电池的计算电路。 当反射镜处于非偏转位置时,开关元件将第一测量信号连接到模拟存储器,并且当反射镜处于偏转位置时打开。 计算电路比较对应于第一和第二测量光束的信号。
    • 4. 发明授权
    • Dosaging device for liquid media
    • 液体介质用吸附装置
    • US4224281A
    • 1980-09-23
    • US4372
    • 1979-01-18
    • Roland ThiemeGuido Heyneman
    • Roland ThiemeGuido Heyneman
    • G01N35/10B01L3/02G01N1/14
    • B01L3/0206
    • A multiple liquid metering device of the type used in liquid analysis assemblies includes a valve block having an intermediate liquids storage vessel and a moving piston measurement burette. The valve block is provided with a plurality of inlet and outlet nozzles each of which is independently controlled by a valve. Internal passageways in the valve block allow the inlet nozzles to be selectively placed in communication with the burette and the burette to be selectively placed in communication with the intermediate receptacle. Stroke length of the piston and the burette is controlled by a program generator via a piston rod carried perforated disc supplying counting pulses to the program generator in response to activation of the piston motor to move the piston.
    • 用于液体分析组件的多重液体计量装置包括具有中间液体储存容器和活塞活塞测量滴定管的阀块。 阀块设置有多个入口和出口喷嘴,每个喷嘴和出口喷嘴由阀独立控制。 阀块中的内部通道允许入口喷嘴选择性地放置成与滴定管连通,并且滴定管被选择性地放置成与中间容器连通。 活塞和滴定管的行程长度由程序发生器通过活塞杆控制,该活塞杆承载多孔盘,响应于活塞马达的活动以移动活塞向程序发生器提供计数脉冲。
    • 5. 发明授权
    • Compressed air-actuated valve means
    • 压缩空气致动阀装置
    • US4374582A
    • 1983-02-22
    • US124360
    • 1980-02-25
    • Guido Heyneman
    • Guido Heyneman
    • F16K31/122F16K31/363
    • F16K31/363F16K31/1223
    • A compressed air-actuated valve means useful for attachment to devices used in chemical analysis wherein a piston actuates a suitably positioned slide member in the piston thrust direction. The slide member glides on a base member provided with spaced-apart holes that extend approximately perpendicular to the glide surface of the base member. The holes are connected to one another on the side of the base member facing the slide member via at least one appropriately arranged groove positioned in the slide facing the base member. Intake and discharge nozzles are connected with such holes on the opposite side of the base away from the slide member. The piston is a double-headed piston with each piston head being of a different diameter and each head being positioned at opposite ends of the slide member so that the slide member moves with the piston. The piston head with a smaller diameter is constantly biased with compressed air from a suitable compressed air source and the other piston head with the larger diameter is selectively biased with compressed air from the same source for controlling the slide movement.
    • 一种用于连接到化学分析中使用的装置的压缩空气致动阀装置,其中活塞在活塞推力方向上致动适当定位的滑动构件。 滑动构件在设置有大致垂直于基部构件的滑动表面延伸的间隔开的孔的基部构件上滑动。 所述孔通过位于所述滑动件中的至少一个适当布置的凹槽面对所述基座构件而相对于所述基部构件的面向所述滑动构件的侧面彼此连接。 进气口和排出喷嘴与底座的与滑动构件相反的一侧的这种孔连接。 活塞是双头活塞,每个活塞头具有不同的直径,并且每个头部位于滑动构件的相对端处,使得滑动构件与活塞一起移动。 具有较小直径的活塞头通过来自合适的压缩空气源的压缩空气不断地偏压,并且具有较大直径的另一个活塞头由来自相同源的压缩空气选择性地偏置以控制滑动运动。
    • 6. 发明授权
    • Metering syringe
    • 计量注射器
    • US4348160A
    • 1982-09-07
    • US124139
    • 1980-02-25
    • Guido Heyneman
    • Guido Heyneman
    • F04B9/12B01L3/02F04B9/125G01F11/02F04B37/00
    • F04B9/1253B01L3/0206G01F11/021
    • A metering syringe for transferring fluid media in predetermined volumes from one container to another container comprised of a unitary structural unit defined by a combination of a piston-burette, a pneumatic drive therefore and a pneumatically-actuated valve means, all operating from a common compressed air source. A double-headed piston of the pneumatic drive is attached to a free end of the piston rod from the piston-burette, with the diameter of the piston-rod being of such size relative to the diameter of the double-headed piston that the two pneumatically effective piston-head surfaces of the double-headed piston differs significantly from one another. A compressed air source is connected to the pneumatic drive on both sides of the double-headed piston so as to act on the respective piston-head surfaces in such a manner that the piston-head having a relatively smaller effective surface is constantly biased by the compressed air and the piston-head with a relatively larger effective surface is selectively biased by the compressed air to control movement of the double-headed piston. A somewhat similar double-headed piston arrangement is provided in the valve means and pneumatically interconnected with the pneumatic drive for cooperative operation therewith.
    • 一种计量注射器,用于将预定体积的流体介质从一个容器传送到另一个容器,该容器包括由活塞式滴定管,气动驱动器和气动致动阀装置的组合限定的整体结构单元, 空气源 气动驱动器的双头活塞从活塞 - 滴定管附接到活塞杆的自由端,活塞杆的直径相对于双头活塞的直径尺寸为两个 双头活塞的气动活塞头表面彼此显着不同。 压缩空气源连接到双头活塞两侧的气动驱动器,以便以相对较小的有效表面的活塞头始终偏置于活塞头表面上的方式作用在相应的活塞头表面上 压缩空气和具有相对较大有效表面的活塞头被压缩空气选择性地偏压以控制双头活塞的运动。 在阀装置中设置有类似的双头活塞装置,并与气动驱动装置气动地互连以与其协作操作。