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    • 12. 发明申请
    • Catalytically inactive heat generator and improved dehydrogenation process
    • 催化惰性热发生器和改进的脱氢工艺
    • US20070054801A1
    • 2007-03-08
    • US11218949
    • 2005-09-02
    • Vladimir FridmanJay MerriamMichael Urbancic
    • Vladimir FridmanJay MerriamMichael Urbancic
    • B01J23/26
    • B01J23/32B01J23/26B01J23/72B01J35/0006C07C5/322C07C2521/02C07C2521/04C07C2521/08C07C2521/10C07C2521/12C07C2523/02C07C2523/04C07C2523/06C07C2523/26C07C2523/34C07C2523/72C07C2523/889C07C2529/04Y02P20/52Y02P20/584C07C11/06
    • An improved dehydrogenation catalyst bed system for olefin production utilizing classical processing techniques is disclosed. The catalyst bed system comprises a dehydrogenation catalyst comprising an active component selected from an oxide of a metal of Group 4 or Group 5 or Group 6 and combinations thereof and a support selected from aluminum oxide, aluminas, alumina monohydrate, alumina trihydrate, alumina-silica, transition aluminas, alpha-alumina, silica, silicate, aluminates, calcined hydrotalcites, zeolites and combinations thereof mixed with a first inert material selected from any material that is catalytically inactive when subjected to reaction conditions that can effect dehydrogenation of olefins and that has a high density and high heat capacity and that is not capable of producing heat during any stage of the dehydrogenation process, and the dehydrogenation catalyst plus the first inert material then being physically mixed with a secondary component comprising a heat-generating inert material and a carrier capable of supporting the heat-generating inert material, wherein the secondary component is catalytically inert with respect to dehydrogenation reactions or to cracking or to coking and generates heat after being exposed to reducing and/or to oxidizing reaction conditions.
    • 公开了一种利用经典处理技术改进用于烯烃生产的脱氢催化剂床系统。 催化剂床系统包括脱氢催化剂,其包含选自第4组或第5组或第6组金属的氧化物及其组合的活性组分和选自氧化铝,氧化铝,一水合氧化铝,三水合氧化铝,氧化铝 - 二氧化硅 ,过渡氧化铝,α-氧化铝,二氧化硅,硅酸盐,铝酸盐,煅烧水滑石,沸石及其混合物与第一惰性材料混合,所述第一惰性材料选自任何可能影响烯烃脱氢反应条件的催化无活性物质, 高密度和高热容量,并且在脱氢过程的任何阶段都不能产生热量,然后脱氢催化剂加第一惰性材料与包含发热惰性材料和载体的次级组分物理混合 支撑发热惰性材料,其中次要组分 相对于脱氢反应是催化惰性的,或者在暴露于还原和/或氧化反应条件之后开裂或焦化并产生热量。
    • 14. 发明授权
    • Film advancing and rewinding mechanism
    • 电影推进和倒带机制
    • US4992811A
    • 1991-02-12
    • US483080
    • 1990-02-21
    • Vladimir Fridman
    • Vladimir Fridman
    • G03B17/42
    • G03B17/425
    • A motorized film winding and rewinding mechanism includes a take up drum for advancing a film and a motor to drive the take up drum. A spool for rewinding a film is connected to the take up drum through a series of gears so that it rotates in such a manner to allow transfer of film between the spool and the take up drum. A second system of gears that includes a floatable subgear system that moves between first and second positions connects the motor to the take up drum. A lever moves the floating subgears system from the first position to the second when the film reaches the end of the roll to change the path through the gear system and rotate the take up drum and spool in the opposite direction so that the motor rewinds the film.
    • 电动卷绕卷绕机构包括用于推进胶卷的卷取滚筒和用于驱动卷取滚筒的马达。 用于将胶片重卷的卷轴通过一系列齿轮连接到卷取滚筒,使得其以这样一种方式旋转以允许薄膜在卷轴和卷取滚筒之间传送。 包括在第一和第二位置之间移动的可浮动的亚系统的第二齿轮系统将马达连接到卷取滚筒。 当胶片到达卷筒的端部时,杠杆将浮子系统从第一位置移动到第二位置,以改变通过齿轮系统的路径,并使卷取鼓和卷轴沿相反方向旋转,使得马达回绕胶卷 。
    • 15. 发明授权
    • Pacemaker threshold testing based on pulse oximeter output curve
    • 基于脉搏血氧仪输出曲线的起搏器阈值测试
    • US09504834B1
    • 2016-11-29
    • US14727097
    • 2015-06-01
    • Vladimir FridmanCesare Saponieri
    • Vladimir FridmanCesare Saponieri
    • A61N1/365A61N1/37A61N1/372
    • A61N1/36585A61B5/02416A61N1/3712A61N1/37247
    • Methods of threshold testing and setting a voltage on an artificial pacemaker based on the output of a plethymograph, such as an oximeter, are disclosed herein. This is accomplished by determining blood volume in a limb or area of the body, and its change over time. As voltage is decreased in the pacemaker, a change in blood volume of the limb being measured by the oximeter is determined. This change can be a change in how often the blood volume level rises to its peak level and/or the blood volume level no longer rises substantially. Such changes, or lack thereof, can be based on a backup heart rate or no heart rate at all. Once the threshold voltage is determined where the artificial pacemaker ceases to cause a heartbeat, the voltage of the pacemaker can be set accordingly.
    • 本文公开了基于诸如血氧计的输血仪的阈值测试和在人造起搏器上设置电压的方法。 这是通过确定身体的肢体或区域中的血容量及其随时间的变化来实现的。 当起搏器的电压降低时,由血氧计测定肢体血容量的变化。 这种变化可能是血液体积水平升高到其峰值水平和/或血液体积水平不再显着升高的变化。 这种改变或缺乏可以基于备用心率或根本没有心率。 一旦在人造起搏器停止引起心跳的地方确定阈值电压,则可以相应地设定起搏器的电压。
    • 18. 发明授权
    • Invalid lift and transport apparatus
    • 电梯和运输设备无效
    • US5148557A
    • 1992-09-22
    • US572260
    • 1990-08-27
    • Vladimir FridmanStanley R. Rosen
    • Vladimir FridmanStanley R. Rosen
    • A61G7/10
    • A61G7/1017A61G7/1046A61G7/1053A61G7/1086A61G7/1098A61G2200/34
    • A lifting mechanism, on a carriage assembly, supports a body support assembly to lift transport and thereafter set down a person. A back safety belt, carried by a pair of belt support holders, provides a first body support. The holders must be disposed in slots defined by "C" shaped members carried by arms carried by the lifting mechanism, before a leg support device can be hung from rivets carried by the holders. The leg support device is disposed beneath the person's legs proximate their knees and includes a board supported at its ends by clevises hung from the rivets, and a belt or belts passed over a person's legs and belted in place; and constitutes a second body support. A chest support device, constituting a third body support, is also carried by the lifting mechanism and is disposed to receive thereagainst the chest of a person being lifted, transported and lowered. The leg support device cannot be utilized unless the back support device is in place. In an alternative embodiment the chest support is spring biased and pivotally mounted to coact with a locking lever which includes a finger projecting into the path of disposition of at least one back support holder to prevent disposition thereof and hanging of the leg support device, unless force is applied to the chest support device as by a person leaning thereagainst. Another embodiment provides for adjustment of the chest support device between six degree and forty-five degree positions; while a still further embodiment provides screw adjustable spacing of carriage frame members.
    • 在托架组件上的提升机构支撑身体支撑组件以提升运输,此后放下一个人。 由一对皮带支撑架承载的背部安全带提供第一身体支撑。 支架必须设置在由提升机构承载的手臂承载的“C”形构件所限定的槽中,之后可以将腿支撑装置悬挂在由支架承载的铆钉上。 腿部支撑装置设置在人的腿部靠近膝盖的下方,并且包括在其端部处由从铆钉悬挂的钩子支撑的板,以及穿过人的腿并且被带到位的带或带; 并构成第二个身体支持。 构成第三体支撑的胸部支撑装置也由提升机构承载,并被设置成接收被提升,运送和降低的人的胸部。 腿部支撑装置不能被利用,除非背部支撑装置就位。 在替代实施例中,胸部支撑件被弹簧偏置并且枢转地安装以与锁定杆共同作用,该锁定杆包括突出到至少一个后支撑保持器的配置路径中的手指,以防止其布置和悬挂腿支撑装置,除非强制 应用于胸部支撑装置,像靠在那里的人一样。 另一个实施例提供了胸部支撑装置在六度和四十五度位置之间的调节; 而另一个实施例提供了支架框架构件的螺钉可调间距。