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    • 11. 发明专利
    • DE69620972T2
    • 2002-12-12
    • DE69620972
    • 1996-10-17
    • SHINKO ELECTRIC CO LTD
    • TAMURA HIDEKIHIRO SATORU
    • F16D69/00F16D59/02F16D65/12F16D65/14F16D69/04F16D65/092
    • Friction plates (1,2,3,4,5,6) for a friction type coupling device for displaying a function of braking, holding, accelerating or decelerating by depressing and contacting one friction member against the other friction member of a friction type coupling device composed of two friction plates one fabricated of metals or non-metallic materials or inorganic material. Said one friction plate has a friction portion which is selectively depressed against the other friction plate and a remaining non-contacting portion . The friction portion is formed as a plurality of protrusions (1a,2a,3a,4a,5a,6a) by cutting away, by engraving a pluralty of grooves, by cutting away non-contacting portions or by positively forming a plurality of protrusions on the surface of the friction plate. The area ratio of the friction potion to the whole area of the friction plate, namely the total of the contacting portion plus non-contacting portion is rendered less than 60%, preferably, less than 10 %, whereby the variation of the generated friction force is made minimum and is able to keep stable friction performance.
    • 12. 发明专利
    • DE69616851T2
    • 2002-04-11
    • DE69616851
    • 1996-03-28
    • SHINKO ELECTRIC CO LTD
    • KURITA YUTAKAMURAGISHI YASUSHIYASUDA HITOSHI
    • B06B1/02B06B3/00G05D19/02
    • A first controller (39) includes a phase shifter (42), a high-gain amplifier (43) and a saturating element (44). A first vibratory exciter (41) generates a first vibrational force in the horizontal direction. A first vibrational system (32) of an elliptical vibratory machine receives the first vibrational force, and first vibrational displacement detecting means (33) detects the vibrational displacement of a movable part of the elliptical vibratory machine in the horizontal direction. A second controller (34) includes a phase shifter (45), a high-gain amplifier (46) and a saturating element (47). A second vibratory exciter (36) generates a second vibrational force in the vertical direction. A second vibrational system (37) of the elliptical vibratory machine receives the second vibrational force, and second vibrational displacement detecting means (38) detects the vibrational displacement of the movable part in the vertical direction. A closed loop is formed by the above parts, the output of the second vibrational displacement detecting means (38) being negatively fed-back to the first controller (39). The shift angles of the first and second phase shifters (42,45) are set so that there is a phase difference of 180 DEG between the output of the second vibrational displacement detecting means (38) and the input of the first controller (39) when electrical connection therebetween is broken, and a predetermined phase difference can be obtained between the vibrational displacements of the first and second vibratory systems (32,37) for the optimum condition of the elliptical vibratory machine, the first vibratory system (32) being self-excitedly vibrated at its resonant frequency and the second vibratory system (37) being self-excitedly vibrated.
    • 18. 发明专利
    • DE69415067T2
    • 1999-07-08
    • DE69415067
    • 1994-04-01
    • SHINKO ELECTRIC CO LTD
    • EGAWA TAKAMI
    • G05B19/418G05D1/02
    • The present invention provides a transport management apparatus for controlling the transport of a plurality of unmanned vehicles traveling over a travel grid formed from a plurality of node provided at stationary positions, and connection routes connecting the intervals between these nodes. The transport management apparatus according to the present invention comprises a first function for searching for a travel route for each unmanned vehicle in which an unmanned vehicle does not travel in the opposite direction over the same connection route as another unmanned vehicle and a second function for solving the progression impossibility of an unmanned vehicle using a node passing sequence change process, detour route search process or passing route search process, in the case when a progression impossibility of any unmanned vehicle is detected following simulation of the timed movements of each unmanned vehicle based on travel routes obtained by means of the aforementioned first function. As a result, the carrier efficiency therein can be improved.
    • 19. 发明专利
    • DE69409998T2
    • 1998-09-03
    • DE69409998
    • 1994-02-24
    • SHINKO ELECTRIC CO LTD
    • KATO KAZUMICHI
    • B65H51/06B65H54/46F16C39/06F16F15/18H02K7/16
    • The vibration control device is equipped in the rotating machine in which a primary yoke (11) is provided within a hollow space of a secondary yoke (12) so that the secondary yoke rotates about a shaft (1) inserted through the primary yoke. The vibration control device (10) comprises a plurality of electromagnet portions (111-118,131-138) arranged around a peripheral surface of the primary yoke, a pair of sensors (14x,14y) and a control portion (15). As the electromagnet portions, there are at least provided a pair of first and second (133,134,137,138) electromagnet portions and another pair of third and fourth (131,132,135,136) electromagnet portions. The first electromagnet portion (133,134) is arranged opposite to the second electromagnet portion (137,138) with respect to an X-axis direction, while the third electromagnet portion (131,132) is arranged opposite to the fourth electromagnet portion (135,136) with respect to a Y-axis direction. One sensor (14x) detects a positional displacement between the primary (11) and secondary yokes (12) with respect to the X-axis direction, while another sensor (14y) detects a positional displacement between the primary (11) and secondary yokes (12) with respect to the Y-axis direction. Herein, the positional displacement detected by one sensor (14x) is controlled to be reduced by controlling electric currents supplied to the first (133,134) and second electromagnet (137,138) portions, while the positional displacement detected by another sensor (14y) is controlled to be reduced by controlling electric currents supplied to the third (131,132) and fourth (135,136) electromagnet portions. By electromagnetically controlling the positional displacement between the primary (11) and secondary yokes (12) with respect to each of the axial directions, the vibration of the shaft (1) is eventually reduced.