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公开(公告)号：US3930220A
公开(公告)日：1975-12-30
申请号：US39663573
申请日：1973-09-12
发明人： SHAWHAN ELBERT N
CPC分类号： E21B47/16
摘要： A system for signaling in either direction in a borehole, utilizing an acoustic carrier transmitted along the drill pipe. The system employs repeaters which are spaced at uniform intervals along the string of pipe. To prevent undesired loss of signal information and interference between the signals being transmitted by the repeaters, the carrier frequency is shifted, during signal transmission, at time intervals related to the spacing between repeaters.
摘要翻译： 一种用于在钻孔中的任一方向上发信号的系统，利用沿着钻杆传输的声学载体。 该系统采用沿着管道以均匀间隔间隔的中继器。 为了防止信号信息的不期望的损失和由中继器发送的信号之间的干扰，载波频率在信号传输期间以与中继器之间的间隔相关的时间间隔被移位。
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公开(公告)号：US3925220A
公开(公告)日：1975-12-09
申请号：US28091972
申请日：1972-08-15
发明人： MILLS IVOR W
摘要： A petroleum oil of improved stability (e.g., as an electrical insulation medium), can be prepared by a process comprising blending 25-98 parts (preferably 50-95) of a severely hydrorefined oil (preferably, a hydrorefined naphthenic or mildly aromatic oil having a VGC from 0.820-0.940, a viscosity from 30 to 200 SUS at 100*F. and an ultraviolet absorptivity (UVA) of less than 0.04 in the 335 millimicron region (i.e., 335 UVA)) with from 75-2 parts (preferably 50-5) by weight of unhydrogenated naphthenic distillate (which preferably is free of naphthenic acids, and more preferred, has a pour point less than 0*F.), and then extracting the blend with an aromatic selective solvent (e.g., furfural, phenol) to obtain a raffinate oil product. The raffinate can be finished, as by adsorbent contact with attapulgite, acid activated clay or mixtures of such adsorbents. From 0.1-30 weight percent of a cycle oil can be added to the blend before extraction or to the raffinate oil product.
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公开(公告)号：US3916811A
公开(公告)日：1975-11-04
申请号：US50158674
申请日：1974-08-29
发明人： FROMNICK STEPHEN M , JONES RONALD E , MAYER ROBERT
IPC分类号： B63B39/03
CPC分类号： B63B39/03
摘要： A method for automatically adjusting the ballast of the floating structure to compensate for changes in tide. This is accomplished by measuring the tide level with a float gauge to obtain a digital signal and also measuring the water level in a ballast tank in the floating structure with a float gauge to obtain a second digital signal. The two signals are electronically compared and by using the difference from these digital signals beyond a preselected value, valves in the ballast tank are actuated to permit entrance of or to expel water from the tank.
摘要翻译： 一种用于自动调整浮动结构的镇流器以补偿潮汐变化的方法。 这是通过使用浮子测量仪测量潮汐水位来获得数字信号并且还用浮子测量仪测量浮动结构中的压载舱中的水位以获得第二数字信号来实现的。 这两个信号被电子比较，并且通过使用与这些数字信号之间的差异超过预选值，压载舱中的阀被致动以允许来自罐的入口或排出水。
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公开(公告)号：US3915877A
公开(公告)日：1975-10-28
申请号：US29205472
申请日：1972-09-25
发明人： WARE RICHARD E
CPC分类号： C11D3/48 , C10M2203/10 , C10M2203/102 , C10M2207/023 , C10M2211/044 , C10M2211/06 , C10M2215/062 , C10M2215/22 , C10M2215/221 , C10M2215/225 , C10M2215/226 , C10M2215/30 , C10M2219/044 , C10M2219/10 , C10M2219/102 , C10M2219/104 , C10M2219/106 , C10N2240/62 , C11D3/18 , C11D17/049 , D06L1/04 , D06L1/12 , D06M7/00 , D06M2200/40 , Y10T442/2525
摘要： A laundry oil containing 0.02 to 2.0 weight percent 8hydroxyquinoline as an antibacterial agent and the process of laundering mops and other fabrics used to wipe dust with such oil. In a preferred aspect of the invention the mops, etc. are laundered directly with the oil. When copper is present in the laundering apparatus the laundry oil preferably contains 0.0001 to 0.5 weight percent benzotriazole.
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公开(公告)号：US3913377A
公开(公告)日：1975-10-21
申请号：US42558173
申请日：1973-12-17
发明人： LINDEMAN MYRL A
CPC分类号： G01N19/02 , G01N3/567 , G01N2203/0226
摘要： A disc, rotated continuously by a variable-speed driving means, has friction members clamped against its opposite faces by means of a calibrated, adjustable mechanism which controls the ''''normal'''' force holding the members against the disc. The friction force between the members and the disc may be determined by measuring the tangential force produced on the members as the disc rotates. One edge of the disc dips into a bath of the lubricant being tested, to provide lubricant at the juxtaposed disc and member surfaces. A heating means may be provided for the bath, to enable testing at elevated temperatures.
摘要翻译： 通过可变速度驱动装置连续旋转的盘片具有通过校准的可调节机构夹紧抵靠其相对面的摩擦构件，该机构控制将构件保持抵靠盘的“正常”力。 可以通过测量当盘旋转时在构件上产生的切向力来确定构件和盘之间的摩擦力。 盘的一个边缘浸入待测润滑剂的浴中，以在并置的盘和构件表面提供润滑剂。 可以为浴提供加热装置，以使得能够在升高的温度下进行测试。
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公开(公告)号：US3912022A
公开(公告)日：1975-10-14
申请号：US47143074
申请日：1974-05-20
发明人： SMITH HOWARD C
CPC分类号： B25B27/0085 , B25B19/00 , B25B21/02 , B25D9/11 , Y10S173/01
摘要： A portable power impact wrench with a unique feature is disclosed. The wrench contains an actuator, which when activated, usually by a trigger, gives an automatic and predetermined amount of torque to the wrench. The torque is just sufficient to break the initial tightness of a nut. The wrench has utility, for example, for loosening a tire wheel lug nut which has been highly torqued by garage automatic impact wrench. The wrench also has industrial utility.
摘要翻译： 公开了具有独特特征的便携式电动冲击扳手。 扳手包含致动器，当致动器通常通过触发器被激活时，向扳手提供自动和预定量的扭矩。 扭矩恰好足以打破螺母的初始紧度。 扳手具有例如用于松开由车库自动冲击扳手高度扭转的轮胎轮辋螺母的用途。 扳手也具有工业实用性。
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公开(公告)号：US3910765A
公开(公告)日：1975-10-07
申请号：US52875574
申请日：1974-12-02
CPC分类号： G01N30/66 , G01N30/30 , G01N30/6047
摘要： A chromatograph testing system with a plural filament thermal conductivity detector, a pressure detector safety device in one embodiment for protecting the detector filament, and improved means for maintaining constant testing temperatures. The system is designed to reach test temperatures up to 500*F., to be compact, and to be easily maintained.
摘要翻译： 具有多个细丝热导率检测器的色谱测试系统，用于保护检测器灯丝的一个实施例中的压力检测器安全装置，以及用于保持恒定测试温度的改进装置。 该系统的设计是为了达到500°F的测试温度，致密，易于维护。
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公开(公告)号：US3907606A
公开(公告)日：1975-09-23
申请号：US43640374
申请日：1974-01-25
发明人： CHANG ROBERT C C
摘要： For tubewall temperature measurement inside a process heater (fired heater), thermocouples are mounted inside the heater in contact with the tubewalls, by means of mounting blocks which are welded to the tubewalls. A radiant-heat shield is installed over each thermocouple mounting block and over a portion of the length of the corresponding sheathed thermocouple, between the thermocouple and the heat source (burner).
摘要翻译： 对于过程加热器（燃烧加热器）内的小便器温度测量，热电偶通过焊接到小便器的安装块安装在加热器内部与小便器接触的位置。 在热电偶和热源（燃烧器）之间，每个热电偶安装块上安装有辐射热屏蔽层，并且覆盖相应护套热电偶长度的一部分。
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公开(公告)号：US3898153A
公开(公告)日：1975-08-05
申请号：US41850473
申请日：1973-11-23
CPC分类号： C10G45/04 , C10G2400/02
摘要： An improved catalytic reformer system wherein chloride compounds are removed from the feed, sulfur compounds contained in the total feed are converted to H2S in a hydrodesulfurization zone and the H2S is removed in an adsorbing zone containing a solid adsorbent.
摘要翻译： 一种改进的催化重整器系统，其中从进料中除去氯化物化合物，将总进料中所含的硫化合物在加氢脱硫区中转化为H 2 S，并在含有固体吸附剂的吸附区中除去H 2 S.
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公开(公告)号：US3889228A
公开(公告)日：1975-06-10
申请号：US41646773
申请日：1973-11-16
申请人： SUN OIL CO
发明人： SHAWHAN E
摘要： 1. IN A SYSTEM FOR TRANSMITTING ACOUSTIC SIGNALS IN EITHER DIRECTION ALONG A STRING OF DRILL PIPE; A PLURALITY OF REPEATERS DISTRIBUTED ALONG SAID PIPE, EACH REPEATER HAVING MEANS ACOUSTICALLY COUPLED TO SAID PIPE FOR RECEIVING ACOUSTIC ENERGY OF A PLURALITY OF NOMINAL FREQUENCIES THEREFROM; MEANS ACOUSTICALLY COUPLED TO SAID PIPE FOR RETRASMITTING ACOUSTIC ENERGY OF A PLURALITY OF NOMINAL FREQUENCIES ALONG SAID PIPE; AND MEANS OPERATING IN DEPENDENCE UPON THE NOMINAL FREQUENCY OF THE ENERGY RECEIVED FOR SELECTING FOR
RETRANSMISSION FROM SAID PLURALITY OF NOMINAL FREQUENCIES A SIGNAL HAVING A NOMINAL FREQUENCY DIFFERENT FROM THE NOMINAL FREQUENCY RECEIVED BY THE SAME REPEATER AND DIFFERENT FROM THE NOMINAL FREQUENCY TRANSMITTED BY A NEXT REPEATER ALONG SAID STRING IN THE DIRECTION OF TRANSMISSION TO AVOID INTERFERENCE BETWEEN SIGNALS RECEIVED AT A REPEATER FROM ADJACENT REPEATERS ABOVE AND BELOW THAT SAME REPEATER.
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