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    • 35. 发明授权
    • Apparatus and methods for estimating a characteristic of a fluid downhole using thermal properties of the fluid
    • 用于使用流体的热性质估计流体井下特性的装置和方法
    • US08770835B2
    • 2014-07-08
    • US11867138
    • 2007-10-04
    • Stefan SrokaPeter Schaefer
    • Stefan SrokaPeter Schaefer
    • G01N25/00G01K13/12
    • E21B49/10E21B49/081
    • The disclosure provides a system, tools and methods for estimating a property or characteristic of a fluid downhole. In one aspect, the method may include: heating the fluid at a selected or first location during a first time phase, taking temperature measurements of the fluid substantially at the selected location during a second time phase, and estimating the property of the downhole fluid using temperature measurements. Temperature measurements may also be taken at a location spaced apart from the first location and used to estimate the property of the fluid. The tool may include a device that heats the fluid during a first time phase and takes temperature measurements of the fluid during a second time phase. A processor uses the temperature measurements and a model to estimate a property of interest of the fluid.
    • 本公开提供了一种用于估计井下流体的性质或特性的系统,工具和方法。 在一个方面,该方法可以包括:在第一时间阶段期间在选定或第一位置处加热流体,在第二时间阶段期间基本上在所选择的位置处对流体进行温度测量,并且使用 温度测量。 也可以在与第一位置间隔开的位置处进行温度测量,并用于估计流体的性质。 该工具可以包括在第一时间阶段期间加热流体并且在第二时间阶段期间对流体进行温度测量的装置。 处理器使用温度测量和模型来估计流体感兴趣的属性。
    • 36. 发明授权
    • Method for supplying current to a glow plug
    • 向电热塞供电的方法
    • US08614407B2
    • 2013-12-24
    • US12996736
    • 2009-07-01
    • Markus KernweinPeter Schaefer
    • Markus KernweinPeter Schaefer
    • F23Q7/00F02B9/10
    • F02P19/022F02D41/009F02D2041/2027F02P19/025F02P19/028
    • The invention relates to a method for supplying current to a glow plug in a running diesel engine after reaching the operating temperature thereof by a series of current pulses, wherein a piston of the engine carries out a work cycle comprising several strokes and the glow plug is supplied with current as a function of the strokes of the work cycle such that the electric current supplied in each work cycle is mainly supplied at a predetermined, steady stroke of the piston, wherein control time intervals that follow each other are defined, during which up to two switching processes can be triggered by a control device, by which the glow plug can be connected to a voltage source for creating a current pulse or can be disconnected from the voltage source for ending a current pulse. According to the invention, the control time intervals have a duration that can be varied by the control device as a function of the rotational speed of the engine.
    • 本发明涉及一种在一系列电流脉冲达到其工作温度之后向运行中的柴油发动机中的电热塞提供电流的方法,其中发动机的活塞执行包括若干冲程的工作循环,并且电热塞是 根据工作循环的行程提供电流,使得在每个工作循环中提供的电流主要在活塞的预定的稳定行程下供应,其中定义了彼此之间的控制时间间隔,在此期间 两个切换过程可以由控制装置触发,通过该控制装置,电热塞可以连接到用于产生电流脉冲的电压源,或者可以与电压源断开以终止电流脉冲。 根据本发明,控制时间间隔具有可以通过控制装置作为发动机的转速的函数而改变的持续时间。
    • 37. 发明申请
    • HAIR TRIMMER
    • 头发剪刀
    • US20110016723A1
    • 2011-01-27
    • US12679017
    • 2008-10-09
    • Michael MaichelPeter SchaeferJuergen Behrendt
    • Michael MaichelPeter SchaeferJuergen Behrendt
    • B26B19/20
    • B26B19/06B26B19/20B26B19/382B26B19/3846B26B21/40
    • The invention relates to a hair trimmer (1) comprising a fixed cutting element (20′) having teeth on the front side thereof, and a mobile cueing element (20″) which has teeth on the front side thereof and is oscillable in relation to the fixed cutting element (20′), so that, when the hair trimmer (1) is used, hairs reaching between the teeth of the fixed cutting element and the mobile cutting element are cut off. The risk of using such a hair trimmer is that the skin can be caught between the teeth or the teeth can penetrate into skin openings such as capillary ducts, leading to painful skin injuries. In order to avoid these injuries, the hair trimmer also has a protective support (3) which has teeth (4) on its front side, is arranged on the fixed cutting element (20′), and used to place the hair trimmer (1) on the skin of the user. The teeth (4) of the protective support (3) lock with the teeth of the fixed cutting element (20′) on the front side or slightly extend over said teeth, and the teeth (4) of the protective support (3) lie on the fixed cutting element (20′), essentially without gaps.
    • 本发明涉及一种头发修剪器(1),其包括在其前侧具有齿的固定切割元件(20')和在其前侧具有齿并且可相对于 固定切割元件(20'),使得当使用修剪器(1)时,到达固定切割元件的齿之间的毛发和移动切割元件被切断。 使用这种头发修剪器的风险在于,皮肤可以被夹在牙齿之间,或者牙齿可以穿透到诸如毛细血管的皮肤开口中,导致疼痛的皮肤损伤。 为了避免这些伤害,修剪器还具有在其前侧具有齿(4)的保护支撑件(3),设置在固定切割元件(20')上,并用于将修剪器(1) )在用户的皮肤上。 保护支撑件(3)的齿(4)与前侧上的固定切割元件(20')的齿锁定或稍微延伸超过所述齿,并且保护支撑件(3)的齿(4)位于 在固定切割元件(20')上,基本上没有间隙。
    • 38. 发明授权
    • System and method for downhole optical analysis
    • 井下光学分析系统及方法
    • US07601950B2
    • 2009-10-13
    • US11860821
    • 2007-09-25
    • Tobias KischkatStefen SrokaPeter Schaefer
    • Tobias KischkatStefen SrokaPeter Schaefer
    • G01V5/08
    • G01N21/31E21B49/08E21B2049/085G01N21/3504G01N21/359G01N21/64
    • A method for measuring optical properties of a fluid downhole, the method comprising measuring intensity of light interacting with the fluid downhole for each of one or more wavelengths; integrating each intensity of light for each wavelength for an integration time; and estimating the optical property from a difference between a starting value and an ending value for the integral of the intensity of light over time divided by the integration time for the wavelength. An apparatus is disclosed for measuring an optical property of a fluid downhole, the apparatus comprising one or more photodiodes that measure an intensity of light interacting with the fluid downhole for each of one or more wavelengths; and one or more integration circuits that each integrates an intensity of light for one wavelength for an integration time.
    • 一种用于测量井下的流体的光学性质的方法,所述方法包括测量与一个或多个波长中的每一个相对于井下流体的光的强度; 将每个波长的每个光强度积分为积分时间; 并根据光强随时间积分的积分时间的起始值和结束值之间的差值估计光学性质除以波长的积分时间。 公开了一种用于测量井下流体的光学特性的装置,该装置包括一个或多个光电二极管,其测量与一个或多个波长中的每一个的井下相互作用的光的强度; 以及一个或多个积分电路,每个集成电路将一个波长的光强度集成在一个积分时间内。
    • 39. 发明申请
    • APPARATUS AND METHODS FOR ESTIMATING A CHARACTERISTIC OF A FLUID DOWNHOLE USING THERMAL PROPERTIES OF THE FLUID
    • 使用流体的热性质估计流体特性的特征的装置和方法
    • US20080083273A1
    • 2008-04-10
    • US11867138
    • 2007-10-04
    • Stefan SrokaPeter Schaefer
    • Stefan SrokaPeter Schaefer
    • E21B47/06G01V1/50
    • E21B49/10E21B49/081
    • The disclosure provides a system, tools and methods for estimating a property or characteristic of a fluid downhole. In one aspect, the method may include: heating the fluid at a selected or first location during a first time phase, taking temperature measurements of the fluid substantially at the selected location during a second time phase, and estimating the property of the downhole fluid using temperature measurements. Temperature measurements may also be taken at a location spaced apart from the first location and used to estimate the property of the fluid. The tool may include a device that heats the fluid during a first time phase and takes temperature measurements of the fluid during a second time phase. A processor uses the temperature measurements and a model to estimate a property of interest of the fluid.
    • 本公开提供了一种用于估计井下流体的性质或特性的系统,工具和方法。 在一个方面,该方法可以包括:在第一时间阶段期间在选定或第一位置处加热流体,在第二时间阶段期间基本上在所选择的位置处对流体进行温度测量,并且使用 温度测量。 也可以在与第一位置间隔开的位置处进行温度测量,并用于估计流体的性质。 该工具可以包括在第一时间阶段期间加热流体并且在第二时间阶段期间对流体进行温度测量的装置。 处理器使用温度测量和模型来估计流体感兴趣的属性。
    • 40. 发明授权
    • Control arrangement for crop discharging device of an agricultural harvesting machine
    • 农业收割机作物排放装置的控制装置
    • US07063614B2
    • 2006-06-20
    • US10795110
    • 2004-03-05
    • Claus Josef VogelgesangPeter Schaefer
    • Claus Josef VogelgesangPeter Schaefer
    • A01F12/46
    • A01D43/087
    • A crop discharging device, such as a discharge spout for a crop chopping machine, has a crop input end mounted for swiveling about an inclined upright axis and for pivoting vertically about a horizontal axis. The discharge spout also includes a vertically adjustable flap at its discharge end for directing the flow of crop from the spout. A first actuator is provided for effecting movement of the spout about the upright axis, a second actuator is provided for effecting movement of the spout about the horizontal axis and a third actuator is provided for effecting movement of the flap. A control arrangement, which includes a memory into which a preset correlation table, or the like may be loaded, is provided for automatically controlling the position of the second actuator as a function of the position of the first actuator so as to maintain a given discharge height. In the same way, the control arrangement is capable of automatically controlling the third actuator as a function of the operation of the second actuator so as to maintain a desired direction of flow of the crop from the spout during adjustment of the height of the discharge end of the spout.
    • 诸如用于作物切碎机的排放口的作物排出装置具有安装成用于围绕倾斜的竖直轴线旋转并且用于围绕水平轴线垂直转动的作物输入端。 排放口还包括其排放端处的可垂直调节的挡板,用于引导作物从喷口流出。 提供第一致动器用于实现喷嘴围绕竖直轴线的运动,提供第二致动器用于实现喷嘴围绕水平轴线的运动,并且提供第三致动器以实现挡板的运动。 提供一种控制装置,其包括其中可加载有预设相关表等的存储器,用于根据第一致动器的位置自动控制第二致动器的位置,以便保持给定的放电 高度。 以相同的方式,控制装置能够根据第二致动器的操作来自动地控制第三致动器,以便在排出端的高度调节期间保持作物从喷口的期望的流动方向 的喷口。