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Assignee: Sanyo Denki Co., Ltd.


Location: Tokyo, JP
No. of patents: 158

1        
NumberTitleIssue Date
8172501Counter-rotating axial-flow fax
A support frame portion is divided into a first support-frame half-portion and a second support-frame half-portion along a virtual reference dividing plane. A raised portion is integrally formed with each of side walls in a pair of the first web half-portion, projec...
05/08/2012
8164008Electrical apparatus
A cable is sandwiched between a first inner wall surface of a peripheral-wall-side pressing wall portion and a first inner wall surface of a cap-side pressing wall portion, between a second inner wall surface of the peripheral-wall-side pressing wall portion and a s...
04/24/2012
D655675Electric motor
03/13/2012
D655674Electric motor
03/13/2012
D650331Electric motor
12/13/2011
D649935Electric motor
12/06/2011
D649934Electric motor
12/06/2011
8063523Stator for rotary electric machine
A pair of connecting wire hooks are disposed on both sides of a nozzle receiving groove in an extended slot space (a first extended space) to sandwich an extended portion of an extended virtual space (a third extended space). In this configuration, the pair of conne...
11/22/2011
8022658Motor control system including electrical insulation deterioration detecting system
A motor control system of the present invention includes an accurate electrical insulation deterioration detecting system. A voltage divider circuit is arranged between a negative DC output portion and a ground, through a normally open switch circuit. A detecting op...
09/20/2011
8018746Parallel inverter system
A parallel inverter system needs neither a dedicated line for synchronizing common portions nor switching operations, and includes a plurality of inverter units operating in parallel. An inverter control circuit of each inverter unit includes a sinusoidal signal gen...
09/13/2011
8013485Motor with an electromagnetic brake
A motor with an electromagnetic brake is provided that is capable of sufficiently reducing influence of leakage magnetic flux on a magnetic sensor. A second ball bearing is configured to be ferromagnetic. An inner circumferential surface of a bearing stopper member ...
09/06/2011
8008831Stator for rotary electric machine
A stator for a rotary electric machine with wedge members insertable into slots without being bent or folded is provided. A coupling portion is integrally formed at a non-inserted end portion, which is not inserted into a slot, of a wedge member, the coupling portio...
08/30/2011
7969113Motor control system
A motor control system suppresses vibration of a machine base and achieves high-speed positioning without using a special sensor but using a model control system. A first feedback section outputs a first feedback command generated based on model machine base positio...
06/28/2011
7965009Motor rotor and manufacturing method thereof
A motor rotor has a resin-impregnated thread layer formed by winding a thread of a reinforced fiber material around a permanent magnet layer with a gap between an outer peripheral surface of the thread layer and an inner peripheral surface of a cylindrical body, and...
06/21/2011
7939980Motor mounted with stopper fitting for fixing ball bearing
A motor, in which a creep phenomenon can be prevented and a ball bearing can readily be mounted, is provided. A pair of end brackets each have a bearing hole in which a ball bearing is fitted. A pair of ball bearings are fitted into the bearing holes of the end brac...
05/10/2011
D637276Fan
05/03/2011
7928615Molded motor
A molded motor is provided that allows for ready installation of a heat-conducting member therein and is capable of improving dissipation of heat generated from the stator. The heat-conducting member is integrally formed with a load-side end bracket. The heat-conduc...
04/19/2011
7919896Stator for rotary electric machine
A stator for a rotary electric machine with wedge members insertable into slots without being bent or folded is provided. A coupling portion is integrally formed at a non-inserted end portion, which is not inserted into a slot, of a wedge member, the coupling portio...
04/05/2011
7915767Linear synchronous motor
A linear synchronous motor, in which one or more intermediate annular magnetic pole portions and yoke assemblies can be connected easily while positioning the intermediate annular magnetic pole portions. A fitting concave portion that is opened in an axial direction...
03/29/2011
7909568Counter-rotating axial-flow fan
A first motor rotates, in one of two rotating directions, the first impeller including a plurality of front blades in a suction opening portion of a housing. The second motor rotates, in the other rotating direction opposite to the one rotating direction, the second...
03/22/2011
7906876Linear synchronous motor
A first pair of connected portions of one end magnetic pole portion, a first pair of connected portions of an end bracket, a first pair of connected portions of the other end magnetic pole portion, and a first pair of connected portions of each of five magnetic pole...
03/15/2011
7872381Counter-rotating axial-flow fan
A counter-rotating axial-flow fan is provided that is capable of increasing effect of cooling a stator. One or more through-holes 83 penetrating support frame bodies (21, 75) in the axial direction are formed in support frame bodies 21 and 75...
01/18/2011
7868497Airtight-type electric motor
An airtight-type electric motor capable of reducing vibration is provided. Inside ribs of a pair of end brackets and are respectively fitted into core end portions of a stator core. Outside ribs of the pair of end brackets and are respectively brought into contact a...
01/11/2011
7866945Axial flow fan
The present invention provides an axial flow fan capable of increasing an air volume and static pressure more than conventional axial flow fans. A plurality of rotary blades 5 are disposed in a circumferential direction of a rotary shaft 8 at equidista...
01/11/2011
7839030Linear motor
When a pitch between centers of two adjacent magnetic pole portions disposed on an armature is defined as τs, the length W of permanent magnets disposed in the middle is equal to the pitch τs (W=τs). The length of each of the two end permanent magnets respectivel...
11/23/2010
D627723Motor with encoder
11/23/2010
D627722Motor with encoder
11/23/2010
D627721Motor with encoder
11/23/2010
7828519Axial flow fan
The present invention provides an axial flow fan capable of increasing an air volume and a static pressure more than conventional axial flow fans, and also capable of reducing generation of noise. A guide wall portion 33 is provided to form a guide groove ...
11/09/2010
D625402Centrifugal fan
10/12/2010
D625258Electric motor
10/12/2010
D625257Electric motor
10/12/2010
D625256Electric motor
10/12/2010
7800336Control system for synchronous electric motor
A control system for a synchronous electric motor controls the synchronous motor so that the phase of a current determined based on a magnetic pole position of a moving element of the motor may shift to a phase where maximum torque may be obtained. A magnetic pole p...
09/21/2010
7762767Axial-flow fan
The present invention provides an axial-flow fan capable of entirely cooling an object to be cooled even when the distance between the object to be cooled and an air discharge opening of the axial-flow fan is short. A plurality of stationary blades 11A to ...
07/27/2010
7759822Uninterruptible power supply device with circuit for degradation judgment of storage battery
There is herein provided an uninterruptible power supply device with a degradation judgment circuit of a storage battery which can perform an exact judgment, continuing the power supply to a load apparatus stably without giving the excessive burden to the storage ba...
07/20/2010
7742302Axial-flow fan unit and heat-emitting element cooling
An axial-flow fan unit that produces less noise is provided. Blades 19 are exposed from a venturi 29. The shape of each of the blades 19 is so defined that a space formed between at least an inner surface 28a of each of web leg sec...
06/22/2010
7702722Combination equipment selection system using network
A user terminal device stores user information in a memory, and stores constant data in another memory. The user terminal device selects one or more other equipment to be combined suitably for use with the service equipment, based on the model information and operat...
04/20/2010
7701093Linear motor
When a pitch between centers of two adjacent magnetic pole portions disposed on an armature is defined as τs, the length W of permanent magnets disposed in the middle is equal to the pitch τs (W=τs). The length of each of the two end permanent magnets respectivel...
04/20/2010
7696660Stator for rotary electric machine
A leading end portion of a lead wire holder located in a direction opposite to a direction in which six lead wires extend is inserted toward concave surfaces through an insertion opening. After the leading end portion has entered toward the concave surfaces and gott...
04/13/2010
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