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    • 4. 发明申请
    • DEVICE FOR THE NON-CONTACT MEASUREMENT OF THE DISPLACEMENT OR ANGLE OF ROTATION OF A COMPONENT
    • 用于非接触式测量位移或旋转部件角度的装置
    • WO9304341A3
    • 1993-05-27
    • PCT/DE9200628
    • 1992-07-30
    • BOSCH GMBH ROBERT
    • DOBLER KLAUSHACHTEL HANSJOERG
    • G01D5/20
    • G01D5/2006
    • Described is a measurement device (11) for the determination of angle of rotation or displacement, the device having a coil core (10) on which are wound two coils (12, 13) which are connected into a voltage-splitter circuit. Between the two coils is a transition zone (14) whose longitudinal length is the same as the length of the measurement collar (17). Fixed to the measurement collar (17) is the component whose motion is to be determined. The two coils (12, 13) are wound on the core (10) in such a way that, when a current is flowing through them, they generate an unhomogenous magnetic field. To this end, the windings of the two coils (12, 13) are located an increasing distance apart, the ends of the coils where the distance between the windings is greatest being in the transition zone (14). The measurement device (11) proposed is particularly short in design, has a high sensitivity and the signal produced has a range over which it is linear.
    • 描述了用于确定旋转角度或位移的测量装置(11),该装置具有线圈芯(10),在线圈芯上缠绕有两个线圈(12,13),线圈连接到分压器电路中。 在两个线圈之间是过渡区(14),其纵向长度与测量套环(17)的长度相同。 固定在测量环(17)上的是要确定运动的部件。 两个线圈(12,13)以这样的方式缠绕在芯体(10)上,使得当电流流过它们时,它们产生不均匀的磁场。 为此,两个线圈(12,13)的绕组位于分开增加的距离处,其中绕组之间的距离最大的线圈的末端位于过渡区(14)中。 所提出的测量装置(11)在设计上特别短,具有高灵敏度并且所产生的信号具有线性的范围。
    • 6. 发明专利
    • DE59708770D1
    • 2003-01-02
    • DE59708770
    • 1997-04-15
    • BOSCH GMBH ROBERT
    • DOBLER KLAUSHUEBEL MICHAELSTROHL WILLIROSE JOCHEN
    • F04D5/00F04D29/66
    • PCT No. PCT/DE97/00760 Sec. 371 Date Dec. 31, 1997 Sec. 102(e) Date Dec. 31, 1997 PCT Filed Apr. 15, 1997 PCT Pub. No. WO98/09081 PCT Pub. Date Mar. 5, 1998In connection with a flow pump, particularly for the conveying of fuel from a fuel tank of a motor vehicle, with a pump chamber embodied in a pump housing which is bordered by two radially extending lateral walls (12), spaced apart from each other, and a peripheral wall, connecting the lateral walls (12) along their periphery with each other, with at least one groove like lateral channel (20) disposed in one of the lateral walls (12), open toward the pump chamber, which extends, related to the flow direction in the lateral channel (200, concentrically in relation to the pump axis (22), with an interrupting strip (35), remaining between a lateral channel end (202) and a lateral channel start (201), and having a rotating impeller wheel disposed in the pump chamber, a damping groove (36), open in the direction toward the pump chamber, has been cut into the interrupting strip (35) near the lateral channel end (202), which approximately extends over the width of the lateral channel, for reducing the locally very high pressure amplitudes of the impeller frequency vibration (FIG. 5).