专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

61. 发明专利

JPH1198843A IGNITION PHASE CONTROL CIRCUIT OF THYRISTOR RECTIFIER 失效
公开(公告)号：JPH1198843A
公开(公告)日：1999-04-09
申请号：JP25509397
申请日：1997-09-19
申请人： MITSUBISHI HEAVY IND LTD
发明人： MORIMOTO MASAYUKI , AIBA KENICHI , SAKURAI TAKAO
IPC分类号： H02P7/292 , H02M1/08 , H02M7/12 , H02M7/155 , H02P7/293
摘要： PROBLEM TO BE SOLVED: To prevent mis-commutation and realize a stable operation, when the waveform of an AC power source is distorted by higher harmonics or the like, and exclude error of communication, when a DC component or even higher harmonic flows out by mis-communication. SOLUTION: A voltage waveform of only the AC component is detected from each 3-phase line voltage, by using insulating transformers 10-1 to 10-3. From the voltage waveform, the positive and negative peak values are detected by a peak detecting circuit 11. By an intermediate point detecting circuit 12, the middle point between the positive and the negative peaks is detected and made a zero-crossing point. This point is set as a reference, and an ignition circuit 13 forms each ignition signal to each of the thyristors 2-1 to 2-6.

62. 发明专利

JPH1132484A CONTROL DEVICE OF THYRIST CONVERTER 失效
公开(公告)号：JPH1132484A
公开(公告)日：1999-02-02
申请号：JP18389797
申请日：1997-07-09
申请人： MITSUBISHI HEAVY IND LTD
发明人： AIBA KENICHI , MATSUDA SATOSHI , MORIMOTO MASAYUKI
IPC分类号： H02M7/162 , H02M1/08 , H02M1/12 , H02M7/155
摘要： PROBLEM TO BE SOLVED: To prevent a commutation mistake due to the variation in an ignition angle by generating an inigiton signal, based on a zero-cross signal, and feeding it to the thirstier of a thyristor converter. SOLUTION: In a control device, a low-pass filter 15 is added to the pre-stage of a zero-cross detection circuit 12 as the component of a control unit 14, and the input AC voltage of the thyristor converter is detected by a transformer 11 for measuring instrument and is inputted to the low-pass filter 15 of the control unit 14. Then, odd low-order harmonics are eliminated from a detected AC voltage, the AC voltage is inputted to the zero-cross detection circuit 12 and the zero-cross point of an AC voltage being detected by the transformer 11 for measuring instrument is detected, and the zero-cross signal is inputted to an ignition signal generation circuit 13. Then, an ignition signal is generated, based on the zero-cross signa and is given to the thyristor of a thyristor bridge 1. As a result, commutation failure due to the variation in an ignition angle can be prevented by operating the thyristor converter stably.

63. 发明专利

JPH08148271A ELECTRIC POWER SOURCE APPARATUS FOR MICROWAVE HEATING APPARATUS 失效
公开(公告)号：JPH08148271A
公开(公告)日：1996-06-07
申请号：JP29099794
申请日：1994-11-25
申请人： MITSUBISHI HEAVY IND LTD
发明人： MORIMOTO MASAYUKI , ONUMA HITOSHI
IPC分类号： H05B6/80 , H01J23/34 , H05B6/66
摘要： PURPOSE: To provide an electric power source apparatus with small size and low cost by providing a microwave signal source having constant intensity and by which amplifying property of a klysron is saturated, a means to apply d.c. voltage between an anode and a cathode of the source, and a variable means. CONSTITUTION: Electricity is received from a commercial electric power source 18 and a.c. voltage is modulated by a thyristor 17. After the converted a.c. voltage is heightened by a transformer 15 and rectified 16 to become high voltage, the resulting high voltage is applied between an anode and a cathode of a klystron 11. Moreover, the amplitude of microwaves sent out of a microwave signal source 12 is constant. Consequently, the microwave signals to the klystron are sent while being always constant and intense enough to saturate the amplifying property of the klystron, and in the case the microwave electric power to be applied to a heating furnace is changed, the change is carried out changing the d.c. voltage to be applied between the anode and the cathode of the klystron.

64. 发明专利

JPH07123918A APPARATUS FOR HEATING OIL AND FAT 失效
公开(公告)号：JPH07123918A
公开(公告)日：1995-05-16
申请号：JP29904593
申请日：1993-11-05
申请人： MITSUBISHI HEAVY IND LTD
发明人： ONUMA HITOSHI , MORIMOTO MASAYUKI , KUROMARU HIROSHI
IPC分类号： A23L3/01 , A23D7/02 , A23D9/02
摘要： PURPOSE:To provide an oil and fat heating apparatus having a specific construction to prevent the direct and intensive application of microwave to a flow pipe for passing oil and fat and effect the diffused reflection of microwave and capable of quickly and uniformly heating oil and fat in the flow pipe. CONSTITUTION:Oil and fat in a flow pipe 2 extending through a metallic vessel 5 are heated with microwave. The metallic vessel 5 of the oil and fat heating apparatus has a square box form. A microwave introducing port 6 is opened in such a manner as to introduce microwave in the direction parallel to the flow pipe 2. The microwave introduced into the metallic vessel 5 is reflected and scattered on the inner surface of the metallic vessel having square box form without causing direct and intense application of the microwave to the flow pipe 2. The uniformity of heating is further improved by placing a stirring fan 8 in the metallic vessel 5 and stirring and diffusing the microwave.

65. 发明专利

JPH03155347A ROTOR OF RELUCTANCE MOTOR 失效
公开(公告)号：JPH03155347A
公开(公告)日：1991-07-03
申请号：JP29117189
申请日：1989-11-10
申请人： MITSUBISHI HEAVY IND LTD
发明人： MORIMOTO MASAYUKI
IPC分类号： H02K1/28
摘要： PURPOSE:To obtain a rotor free from aging by welding a laminate consisting of silicon steel plates laminated coaxially with a rotation shaft, the rotation shaft, and the salient poles of the laminate integrally and filling the recessed parts of the laminate with resin to make the cross section circular. CONSTITUTION:A rotor comprises a laminate (iron core) 22 and a shaft 11. The laminate 22 consists of silicon steel plates laminated coaxially with the shaft 11. The shaft 11 and the laminate 22 are welded at welding points 13. Salient poles are welded integrally. The recessed parts of the laminate 22 are filled with resin to make the cross section circular. That is, a cylinder is made of the laminate 22 and the resin. Thereby the rotor has good characteristics because it has no anisotropic bolt and is free from windage loss because it has no uneven section and the resin packed in the recesses of the rotor prevents delamination of the laminate.

66. 发明专利

JPS62106992A ADDITIVE FOR FUEL 失效
公开(公告)号：JPS62106992A
公开(公告)日：1987-05-18
申请号：JP24415585
申请日：1985-11-01
申请人： MITSUBISHI HEAVY IND LTD , TOA KAGAKU KK
发明人： HARADA YOSHIO , MORIMOTO MASAYUKI
IPC分类号： C10L1/12
摘要： PURPOSE:To provide an inexpensive additive for fuel which can improve the combustibility of a low-quality fuel derived from petroleum and which comprises ultrafine iron oxide. CONSTITUTION:An additive for fuel comprising iron oxide having such a particle diameter distribution that 80% or more of the particles have a diameter of 1mu or less. The use of the ultrafine particles of iron oxide as an additive for fuel can solve the problems accompanying the conventional iron oxide, such as poor dispersion in an oil, lowering in combustion promoting effect, lowering in NOx-reducing properties, lowering in properties on the reforming of dust of an exhaust gas, occurrence of sedimentation within a feed pipe, and wearing of the parts of a feed pump. When the additive having a particle diameter of 1mu or less is added to water or fuel, and the mixture is sufficiently stirred and allowed to stand, Brownian movement does not occur. Therefore, the additive does not settle down at the bottom, which enables a uniform distribution in a liquid for a long period of time, thereby attaining the above object.

67. 发明专利

JPS62100175A STARTING METHOD FOR INVERTER 失效
公开(公告)号：JPS62100175A
公开(公告)日：1987-05-09
申请号：JP23981785
申请日：1985-10-26
申请人： MITSUBISHI HEAVY IND LTD , CHURYO ENG
发明人： MORIMOTO MASAYUKI , KADOFUJI KIYOTAKA , SATOU SHINJI , SUE YOSHIO
IPC分类号： H02M7/48
摘要： PURPOSE:To start an inverter stably by using a power transistor having normal proper capacity by making the frequency of a carrier on starting higher than that of a carrier on operation. CONSTITUTION:The frequency of a carrier 12 used on starting is made higher than that of a carrier 22 employed on operation. A PWM waveform 10 on starting has narrow pulse width, and a PWM waveform 20 on operation has wide pulse width. Accordingly, currents increase for a period when the impedance of an induction motor is small on starting, but the breakdown of a power transistor can be avoided because of narrow pulse width.

68. 发明专利

JPS61128055A Inverter-driven air conditioner 失效
标题翻译：逆变空调
公开(公告)号：JPS61128055A
公开(公告)日：1986-06-16
申请号：JP24913184
申请日：1984-11-26
申请人： Mitsubishi Heavy Ind Ltd
发明人： MORIMOTO MASAYUKI
IPC分类号： F24F11/02 , F25B13/00
CPC分类号： F25B2600/021 , Y02B30/741
摘要： PURPOSE: To eliminate a fear of unpleasant feeling being given a user, by a method wherein during cooling, the number of revolutions of a compressor is controlled so that a value is adjusted to a pressure between the motion pressure and the return pressure of a low pressure switch, and during heating, the number of revolutions of the compressor is controlled so that a value is regulated to a pressure between the motion pressure and the return pressure of a high pressure switch.
CONSTITUTION: When a high pressure switch 41 located on a delivery piping 12, through which high pressure gas coolant flows, is turned ON, the generating frequency of an inverter 2 is reduced by a given amount, and when the switch is returned to an OFF-state, the generating frequency of the inverter 2 is increased by a given amount. When a low pressure switch 42, located on a suction piping 16, through which low pressure gas coolant flows, is turned ON, the generating frequency of the inverter 2 is decreased by a given amount, and when returned to an OFF-state, the generating frequency of the inverter 2 is increased by a given amount. The high pressure switch 41 is in an OFF-state when a detecting output P is lower than a set pressure P1, and when the detecting output P is increased to the set pressure P1, the switch is turned ON. When the switch is brought to an ON-state once, even when the detecting output P is decreased to lower than the set pressure P1, an ON-state is held until the detecting pressure is decreased to a return pressure P2, and when the detecting pressure P is decreased to the returning pressure P2, the switch is changed over to an OFF- state.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：为了消除对给用户的不愉快感觉的恐惧，通过一种方法，其中在冷却期间，控制压缩机的转数，使得将值调节到运动压力和低压的回流压力之间的压力压力开关，并且在加热期间，控制压缩机的转数，使得将值调节到高压开关的运动压力和回流压力之间的压力。构成：当位于输送管道12上的高压气体冷却剂流过的高压开关41接通时，逆变器2的发电频率减小一定量，当开关返回OFF时 - 状态下，逆变器2的发电频率增加一定量。当低压气体冷却剂流过的位于吸入配管16上的低压开关42接通时，逆变器2的发电频率减少一定量，当返回关闭状态时，逆变器2的发电频率增加给定量。当检测输出P低于设定压力P1时，高压开关41处于关闭状态，并且当检测输出P增加到设定压力P1时，开关被接通。当开关处于ON状态时，即使当检测输出P降低到低于设定压力P1时，保持ON状态直到检测压力降低到返回压力P2，并且当检测压力P降低到返回压力P2，开关切换到OFF状态。

69. 发明专利

JPS60166773A METHOD FOR STOPPING MOTOR-DRIVEN COMPRESSOR 失效
公开(公告)号：JPS60166773A
公开(公告)日：1985-08-30
申请号：JP2255184
申请日：1984-02-09
申请人： MITSUBISHI HEAVY IND LTD
发明人： MORIMOTO MASAYUKI
IPC分类号： F04B49/06 , H02H7/08
摘要： PURPOSE:To enable long life of a motor-driven compressor by realizing soft stop by once electrifying a motor through a voltage drop type transformer at the time of stop and interrupting electricity to the motor, in the motor-driven compressor provided with the voltage drop tupe transformer. CONSTITUTION:When stopping a motor-driven compressor during operation, a switch 31 is opened. Then a contact 32a1 is opened but a contact 33a1 is closed. But a contact 32a2 is opened and a contact 34a is also opened. At the same time a contact 32b1 is closed and contacts 35a1, 35a2 are closed. Then a motor 21 is connected to a single phase AC power supply through a voltage drop type transformer 38 and at the same tine contact 32b2 is closed and as a contact 33a3 is closed, a timer 36 is excited. And when set time elapsed, a limit time constant open contact 36a is closed, then a contact 37 is opened and the motor 21 is stopped. Therefore, shock at the time of stop of the motor 21 can be minimized.

70. 发明专利

JPS60109779A OPERATING METHOD OF MOTOR 失效
公开(公告)号：JPS60109779A
公开(公告)日：1985-06-15
申请号：JP21634683
申请日：1983-11-18
申请人： MITSUBISHI HEAVY IND LTD
发明人： MORIMOTO MASAYUKI
IPC分类号： H02P3/18
摘要： PURPOSE:To reduce a shock at the stopping time by using a middle tap during operation to excite the winding of a motor, and temporarily energizing all windings and then interrupting the motor at the stopping time. CONSTITUTION:When a switch 31 is closed at the starting time, a contact 22 is closed,and a power source is supplied to a motor 21a. In this case, the motor 21a is used at the high speed winding terminal port 25b but not used at the port 25c. In order to then stop a compressor during operation, a switch 31 is opened. Then, a contact 32a is opened, but a contact 33a1 is closed. Accordingly, the contact 22 remains closed, and a power source remains supplied to the motor. In this case, since an auxiliary relay X2 33 is excited, the motor is energized at the low speed coil 25c. After the set time of a timer 34 is elapsed, the motor is interrupted, and the motor 21a is stopped.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式