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    • 5. 发明专利
    • FLUID-PRESSURE ELEVATOR
    • JPH1023738A
    • 1998-01-23
    • JP17246296
    • 1996-07-02
    • MITSUBISHI ELECTRIC CORP
    • FUNAI KIYOSHIMARK ROCKLINGER
    • B66B9/04H02K44/02
    • PROBLEM TO BE SOLVED: To reduce the energy consumption of a fluid-pressure elevator, by supplying a magnetic field and an electric field which are perpendicular to the flow directions of fluids fed into a fluid jack with pressure and intersected each other at right angles and, at the same time, by controlling a supplied current. SOLUTION: After an object to be carried is put in a cage 1, the cage 1 is raised/lowered by means of a fluid jack 2. A magnetic field supply means and an electric field supply means respective supply a magnetic field and an electric field perpendicular to the flow directions of fluids flowing through fluid passages 7 and 8, through which the fluids are fed into a fluid jack 2 with pressure and intersected each other at right angles. A current control means controls the current supplied from the electric field supplying means. An electrolytic aqueous solution containing sodium chloride as a principal component is used as the fluid. The magnetic flux density B0 of the magnetic field supplied by the magnetic field supply means is adjusted to B0 >=Rc(2μPz) , where Rc=(1/Rm)(EXP(Rm)/ 1-EXP(Rm)} and the Rm and Pz respectively represent the magnetic Reynolds number and the pressure of the fluid. Therefore, the power consumption of a fluid-pressure elevator can be reduced.
    • 6. 发明专利
    • SUBMIRROR OSCILLATING DEVICE
    • JPH03127015A
    • 1991-05-30
    • JP26669689
    • 1989-10-13
    • MITSUBISHI ELECTRIC CORP
    • UEDA TAKAMIYAMAMOTO SATORUFUNAI KIYOSHIYUMURA TAKASHIMIZUNO SHIGEMOTO
    • G02B23/02G02B7/198H02K33/16H02K33/18
    • PURPOSE:To realize high positioning accuracy, a short transition time, and a large amplitude by generating the attractive force and the resiliency between a 1st, a 2nd reflecting mirror driving coils and a 1st, a 2nd compensating plate driving coils respectively and driving a reflecting mirror and a compensating plate to be oscillated with the couple of the forces. CONSTITUTION:The 1st and 2nd reflecting mirror driving coils 105a and 105b are connected in series or in parallel and the same currents flow in opposite directions. The 1st and 2nd compensating plate coils 106a and 106b are the same and the currents of the coils 105a and 106a, and coils 105b and 106b flow in opposite directions. Consequently, the attractive and repulsive forces are generated between the coils and the reflecting mirror 101 and compensating plate 102 are oscillated with the couple of the forces. Further, position detection sensors 108 and 109 detect the oscillating angles of the reflecting mirror 101 and compensating plate 102 and feed them back to perform control so that the deviation from an object signal becomes zero. Consequently, the positioning accuracy is improved and the short transition time and large amplitude are obtained.
    • 8. 发明专利
    • CARRIAGE ASSEMBLY
    • JPS61182971A
    • 1986-08-15
    • JP2374085
    • 1985-02-08
    • MITSUBISHI ELECTRIC CORP
    • YUMURA TAKASHIYAMAMOTO SATORUFUNAI KIYOSHI
    • B41J19/30G01B3/00G11B21/02
    • PURPOSE:To obtain a small-type carriage assembly with a small number of component parts, by a construction wherein guide rails are provided between both side surfaces of a carriage and a coil bobbin, and are supported by a desired number of rollers fitted to the side surfaces of the carriage so that the carriage is capable of performing a rectilinear reciprocating motion only in the direction of the guide rails. CONSTITUTION:Bearings (rollers) 8a, 8b for supporting a movable part are provided at both end parts in the moving direction on both sides of the carriage 1, and a bearing 8c is provided at an intermediate part between the bearings 8a, 8b. The guide rails 9 are provided in the spaces between the carriage 1 and the coil bobbin 6. Moments of rotation about x-, y- and z-axes and vertical and lateral movements of the carriage 1 are restrained by the bearings 8a-8c fitted to both side surfaces of the carriage 1 and the two guide rails 9 provided on both sides of the carriage 1, and the guide rails 9 enables the carriage 1 to perform a smooth rectilinear reciprocating motion in the direction of the rails 9. Accordingly, since there is no guide rail nor bearing at a lower part of the carriage, the carriage assembly can be constructed in a thin form, and the number of component parts is reduced.
    • 9. 发明专利
    • Elevator device
    • 电梯装置
    • JP2006008333A
    • 2006-01-12
    • JP2004188575
    • 2004-06-25
    • Mitsubishi Electric Corp三菱電機株式会社
    • FUNAI KIYOSHI
    • B66B1/32B66B5/02
    • PROBLEM TO BE SOLVED: To obtain an elevator device capable of reducing shock to be applied to an elevator car when stopping in emergency and capable of shortening braking distance of the elevator car. SOLUTION: A driving sheave 4 to be rotated by a motor 3 is provided inside a hoistway 1. A main rope 8 for hoisting the elevator car 6 and a counterweight 7 is wound around the driving sheave 4. Rotation of the driving sheave 4 is braked by a brake device 13. Control of braking of the brake device 13 to the driving sheave 4 is performed by a brake control unit 19 electrically connected to a control device 24. The brake control unit 19 controls the brake device 13 so that braking force weaker than the full braking force is given to the driving sheave 4 after giving the full braking force to the driving sheave 4 when braking in emergency and that the full braking force is given to the driving sheave 4 again when absolute value of acceleration of the elevator becomes a value less than the predetermined value. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:获得一种能够减少在紧急情况下停止时施加到电梯轿厢的冲击并能够缩短电梯轿厢的制动距离的电梯装置。 解决方案:电动机3旋转的驱动绳轮4设置在井道1的内部。用于提升电梯轿厢6和配重7的主绳索8缠绕在驱动绳轮4周围。驱动绳轮的旋转 制动装置13对驱动绳轮4的制动的控制由电气连接到控制装置24的制动控制单元19执行。制动控制单元19控制制动装置13,使得 当在紧急制动时向驱动绳轮4施加完全制动力之后,向整个制动力施加的制动力小于制动力,并且当绝对加速度的绝对值 电梯成为小于预定值的值。 版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • ELEVATOR RIDE COMFORT DIAGNOSTIC DEVICE
    • JP2002211852A
    • 2002-07-31
    • JP2001002737
    • 2001-01-10
    • MITSUBISHI ELECTRIC CORP
    • FUNAI KIYOSHIINUSHIMA HIROSHI
    • B66B5/00
    • PROBLEM TO BE SOLVED: To provide an elevator ride comfort diagnostic device that can diagnose in harmony with humans' sensitivity and can accurately determine the ride comfort of an elevator. SOLUTION: The elevator ride comfort diagnostic device comprises a short- time Fourier transform computer 26 for computing short-time Fourier transforms of a plurality of pieces of time-series data sampled at given time intervals from a detected acceleration signal, average computers 30 to 32 for computing an average value at each frequency computed in the short-time Fourier transforms, comparators 34 to 38 for comparing the average value at each frequency computed by the average computers and an average value at each frequency of a normal detected acceleration signal, a comparator M 40 for comparing the comparison result of the comparators and normal and abnormal patterns of each frequency predetermined in a normal state to finally determine a normal/abnormal state of acceleration, and an alarm generator 41 for outputting an alarm on the basis of the comparison results of the comparator 40.