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    • 26. 发明授权
    • Peristaltic pump and bearing arrangement therefor
    • 蠕动泵及其轴承装置
    • US4315718A
    • 1982-02-16
    • US076387
    • 1979-09-17
    • Lawrence R. Hogan
    • Lawrence R. Hogan
    • F04B43/12F04B45/08
    • F04B43/1253
    • A peristaltic pump having a nonmetallic housing supporting an internal rotor which carries compression rollers for cooperation with a compressible flow tube looped internally of the housing so as to effect a peristaltic pumping action on the tube during rotation of the rotor. The rotor is of unitary construction and is made from a nonmetallic material. The rotor contains hub projections which are directly journaled within bearing surfaces formed within the housing, and rotatably suports at least one nonmetallic compression roller through a tubular open ended metal support shaft which enables air flow through the support tube to provide improved heat transfer during operation.
    • 蠕动泵具有支撑内部转子的非金属壳体,所述内部转子承载压缩辊,用于与在壳体内部环绕的可压缩流动管相配合,以便在转子旋转期间对管进行蠕动泵送作用。 转子是一体式结构,由非金属材料制成。 转子包含轮毂突起,其直接安装在形成在壳体内的轴承表面内,并且通过管状开口端的金属支撑轴可转动地悬挂至少一个非金属压缩辊,使得空气能够流过支撑管,从而在运行期间提供改进的热传递。
    • 27. 发明授权
    • Fluid pump and quick release mounting arrangement therefor
    • 流体泵及其快速安装装置
    • US4211519A
    • 1980-07-08
    • US828482
    • 1977-08-29
    • Lawrence R. Hogan
    • Lawrence R. Hogan
    • F04B43/12
    • F04B43/1253
    • A peristaltic pump is disclosed having two identical hingedly connected housing sections defining mating surfaces substantially coplanar with the hinge axis and the longitudinal axis of the housing to facilitate easy opening of the housing sections for loading and manipulation of a flow tube looped internally of the housing and cooperable with rotatable displacement means to effect a peristaltic pumping action on the tube. Various pump mounting arrangements are disclosed which are particularly suitable for limited access areas and which maintain the pump sections in closed positions while facilitating quick release of the pumps for servicing and the like.
    • 公开了一种蠕动泵,其具有两个相同的铰接连接的壳体部分,其限定与铰链轴线和壳体的纵向轴线基本共面的配合表面,以便于容纳壳体部分的容易打开,用于装载和操纵环绕在壳体内部的流动管道, 与可旋转位移装置配合以对管进行蠕动泵送作用。 公开了各种泵安装装置,其特别适合于有限的进入区域,并且其将泵部件保持在关闭位置,同时便于用于维修的泵的快速释放等。
    • 28. 发明授权
    • Quick loading peristaltic pump
    • 快速装入蠕动泵
    • US4179249A
    • 1979-12-18
    • US858270
    • 1977-12-07
    • Emil J. Guttmann
    • Emil J. Guttmann
    • F04B43/12F04B45/08
    • F04B43/1284
    • A peristaltic pump is disclosed which facilitates quick loading of a compressible tubular conduit through which fluid may be pumped. The pump includes a pair of reaction members pivotally mounted on a base plate for movement between open and closed positions relative to a rotor, the reaction members being releasably retained in their closed positions by a locking plate. The compressible tube partially encircles the rotor and has its ends releasably engaged by clamping means which prevents axial movement of the tube and is adapted to accommodate tubes of different diameter.
    • 公开了一种蠕动泵,其有助于快速装载可压缩的管状导管,通过该管可以泵送流体。 泵包括一对可枢转地安装在基板上用于在打开和关闭位置之间相对于转子运动的反作用构件,反作用构件通过锁定板可释放地保持在其关闭位置。 可压缩管部分地环绕转子并且其端部通过夹持装置可释放地接合,其防止管的轴向运动并且适于容纳不同直径的管。
    • 29. 发明授权
    • Electrometric apparatus
    • 电磁装置
    • US4103231A
    • 1978-07-25
    • US792270
    • 1977-04-29
    • Donald Stephen Nemcek, Sr.
    • Donald Stephen Nemcek, Sr.
    • G01R1/30G01R19/00G01R29/24
    • G01R29/24G01R1/30G01R19/0023
    • An electrometric apparatus, which uses a measuring device that provides a high impedance dc signal which varies in accordance with the variable to be measured. The dc signal is amplified by at least one amplifier means and the amplified signal is applied to an indicating means which indicates the amplitude of the amplified dc signal. The supply voltage for the amplifier means is provided by a dc power supply means connected through a regulating means to positive and negative supply busses and for the amplifier means. The regulating means includes a transistor having its emitter-collector circuit connected in series between the power supply means and the positive supply bus of the amplifier means. A resistor and a Zener diode are connected in series and the series combination is shunt connected between the supply busses. A pair of series connected resistors are shunt connected between the supply busses. A programmable operational amplifier has one input connected to the junction between the resistor and the Zener diode and the other input connected to the junction between the series connected resistors. The output of the programmable operational amplifier is connected to the base of the transistor.
    • 30. 发明授权
    • Diaphragm pump
    • 隔膜泵
    • US4086036A
    • 1978-04-25
    • US686659
    • 1976-05-17
    • Loren M. HagenAshwin H. Desai
    • Loren M. HagenAshwin H. Desai
    • F04B43/00F04B43/02F04B43/12F04B43/14F16J3/02F16K7/12F04B43/04
    • F04B43/0054F04B43/02
    • A flexible diaphragm having an arcuate ridge defines the pumping chamber of a fluid pump and is reciprocated by connection to the output shaft of an electric motor. The rigid plate portion of a connector is joined to the central portion of the diaphragm while the remainder thereof extends in an opposite direction where it is linked with an eccentric coupling carried by the output shaft of the motor. Although the diaphragm is driven in a rocking, reciprocating movement, the housing is formed with surface support portions which have radii of curvature such as to support the diaphragm during its distended periods, thereby assuring a long lifetime of diaphragm operation. The overall arrangement results in improved efficiency in pumping gases as well as liquids.
    • 具有弓形脊的柔性隔膜限定了流体泵的泵送室,并通过连接到电动机的输出轴往复运动。 连接器的刚性板部分连接到隔膜的中心部分,而其余部分沿与电动机的输出轴承载的偏心联接件相反的方向延伸。 虽然隔膜以摇摆的往复运动驱动,但壳体形成有具有曲率半径的表面支撑部分,以便在其扩张期间支撑隔膜,从而确保隔膜操作的长寿命。 总体布置导致提高泵送气体和液体的效率。