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    Method of testing workpieces by means of ultra-sound waves according to the impulse echo method
    5.
    发明授权
    Method of testing workpieces by means of ultra-sound waves according to the impulse echo method 失效
    根据脉冲ECHO方法测量超声波波形的工作方法

    公开(公告)号：US3552191A

    公开(公告)日：1971-01-05

    申请号：US3552191D

    申请日：1968-01-30

    申请人： RUHRGAS AG

    发明人： HESEDING JOSEF

    IPC分类号： G01N29/04 ,  G01N29/22

    CPC分类号： G01N29/221 ,  G01N29/043 ,  G01N2291/011 ,  G01N2291/04 ,  G01N2291/102 ,  G01N2291/2675

    摘要： A METHOD OF AND APPARATUS FOR NON-DESTRUCTIVITY EXAMINING WORKPIECES, ESPECIALLY WELDING SEAMS, BY MEANS OF,ULTRA-SOUND WAVES ACCORDING TO THE IMPULSE-ECHO METHOD, IN WHICH ULTRA-SOUND WAVES ARE EMITTED FROM AT LEAST TWO SEPARATE ULTRA-SOUND EMITTER-RECEIVER ANGULAR TESTING HEADS AND SENT INTO THE WORKPIECE ZONE TO BE EXAMINED IN SUCH A WAY THAT THE SOUND WAVES OF SAID EMITTER-RECEIVERS MEET IN SAID ZONE WHILE SAID EMITTERRECEIVERS ARE SO SPACED FROM THE WORKPIECE ZONE TO BE EXAMINED THAT THE SOUND WAVES FROM ONE EMITTER-RECEIVER REQUIRE MORE TIME TO REACH THE WORKPIECE ZONE TO BE EXAMINED THAN THE SOUND WAVES FROM THE OTHER EMITTERRECEIVER, MEANS BEING PROVIDED FOR RECORDING ECHOES RECEIVED BY SAID EMITTER-RECEIVERS.

    Retort system for oil shales and the like
    8.
    发明授权
    Retort system for oil shales and the like 失效
    油料回收系统及其类似物

    公开(公告)号：US3655518A

    公开(公告)日：1972-04-11

    申请号：US3655518D

    申请日：1969-11-19

    申请人： METALLGESELLSCHAFT AG ,  RUHRGAS AG

    发明人： SCHMALFELD PAUL ,  SOMMERS HANS ,  JANSSEN HEINRICH

    IPC分类号： C10B49/20 ,  C10G1/02 ,  C10B1/06 ,  C10B7/10 ,  C10B47/20

    CPC分类号： C10B49/20 ,  C10G1/02

    摘要： In apparatus for retorting oil shale, oil sands and similar materials wherein finely divided solids residue is used as a heat carrier and is heated in a vertical pneumatic conveyor-burner, mixed with fresh finely divided solid feed, product distillation vapors are removed from the mixture, and the solid distillation residue is returned to the conveyor-burner, the improvement whereby the propellant gas is introduced axially to the bottom of the conveyor-burner and the cool heat carrier is introduced thereinto from a concentric annular chamber thereabout through slits or openings in the propellant gas conduit by means of a flow of a control gas. Other specific improvements of portions of the retorting apparatus and solids circulating system are examplified and claimed, especially a screw conveyor-mixer retorting chamber.

    摘要翻译： 在用于蒸馏油页岩的装置中，油砂和类似的材料，其中将细碎的固体残余物用作热载体并在垂直的气动输送机 - 燃烧器中加热，与新鲜细分的固体进料混合，从混合物中除去产物蒸馏蒸气 ，并且固体蒸馏残余物返回到输送机 - 燃烧器，改进之处在于推进剂气体轴向引入输送机 - 燃烧器的底部，并且冷热载体通过其中的同心环形室从其中通过狭缝或开口引入 推进剂气体导管通过控制气体的流动。