1
Itsuki Bahn: Reluctance-type electric motor. Kabushikigaisha Sekogiken, Staas & Halsey, August 11, 1992: US05138244 (21 worldwide citation)

A reluctance-type motor which is used as a drive source of industrial equipment, and particularly as a servo motor, wherein an armature current is held at a preset value by chopper control in a section where a position detecting signal is present. Stored magnetic energy of an armature coil is conver ...


2
Naohisa Mimura, Yoshiyuki Takabe, Shinji Makita, Tomohiro Saitou, Hideji Yoshida: Reluctance-type electric motor. Asmo, Law Offices of David G Posz, November 19, 2002: US06483212 (19 worldwide citation)

A reluctance-type motor include a stator having a plurality of salient stator-poles, a rotor having a plurality of salient rotor-poles, a multi-phase coils mounted in the stator, and a driver circuit for driving said multi-phase coil. The driver circuit starts to supply drive current to the multi-ph ...


3
Itsuki Bahn: Reluctance type electric motor. Kabushikigaisha Sekogiken, Staas & Halsey, May 5, 1992: US05111091 (16 worldwide citation)

A reluctance type electric motor, when an energization current in an exciting coil is interrupted at the end of a position detection signal, large magnetic energy stored in the exciting coil is prevented from being fed back to a power source by a reverse current prevention diode (43a, 43b) and it is ...


4
Itsuki Bahn: Reluctance type electric motor. Kabushikigaisha Sekogiken, Staas & Halsey, March 17, 1992: US05097191 (13 worldwide citation)

A reluctance type electric motor, in which, when the first excitation coil being energized is discontinued of energizing, a reverse current prevention diode is provided to prevent the discharging electric power of the magnet energy of the first excitation coil from returning to DC power source so as ...


5
Itsuki Bahn: Three-phase reluctance type electric motor. Kabushikigaisha Sekogiken, Staas & Halsey, May 25, 1993: US05214365 (12 worldwide citation)

A three-phase reluctance type electric motor wherein a magnetic attraction force acts on a rotor in one direction and is not cancelled, thereby reducing mechanical vibration. Since the number of magnetic poles and salient poles is small, a small electric motor of small output power can be obtained. ...


6
Bahn Itsuki: Reluctance-type electric motor.. Sekoh Giken, May 22, 1991: EP0427868-A1 (1 worldwide citation)

A reluctance-type electric motor of the invention is provided with a reverse current-preventing diode which prevents the released electric power of magnetic energy of a first exciting coil from refluxing into a DC power source. The object of the prevention is that when the flow of current to the fir ...


7
Bahn Itsuki: High-speed reluctance-type electric motor.. Sekoh Giken, January 27, 1993: EP0524318-A1

A reluctance-type electric motor capable of running at a high speed and producing a large output torque includes transistors (20a to 20f) connected to both ends of excitation coils (39a to 39c) of each of the phases, a current control circuit for energizing the excitation coils sequentially in respo ...


8
Bahn Itsuki: Reluctance-type electric motor. Kabushikigaisya Sekogiken, Bahn Itsuki, TAKEMOTO Shoji, November 15, 1990: WO/1990/013941

A reluctance-type electric motor of the invention is provided with a reverse current-preventing diode which prevents the released electric power of magnetic energy of a first exciting coil from refluxing into a DC power source. The object of the prevention is that when the flow of current to the fir ...


9
Bahn Itsuki: High-speed reluctance-type electric motor. Kabushikigaisya Sekogiken, Bahn Itsuki, TAKEMOTO Shoji, August 20, 1992: WO/1992/014297

A reluctance-type electric motor capable of running at a high speed and producing a large output torque includes transistors (20a to 20f) connected to both ends of excitation coils (39a to 39c) of each of the phases, a current control circuit for energizing the excitation coils sequentially in respo ...


10
Ban Itsuki: Reluctance type two-phase high speed electric motor. Secoh Giken, September 21, 1993: JP1993-244795

PURPOSE: To obtain a reluctance type electric motor of high efficiency at a high speed with a small diameter by providing two salient poles of a magnetic material rotor, arranging eight slots with an equal pitch in a fixed armature, winding armature coils of the first, second, third and the fourth p ...



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