| Patent Number |
Title Of Patent |
Date Issued |
| RE34629 |
Method and apparatus for loading ink ribbon |
June 7, 1994 |
| According to the present invention, a shaft cover is attached to the front end portion of a ribbon guide shaft projecting in a cantilevered state from a side face of a printer body; cores of an ink ribbon are fitted respectively on a ribbon feed shaft and a ribbon take-up shaft both |
| D367050 |
Magnetic tape cartridge |
February 13, 1996 |
|
| D307893 |
Magnetic recording disk cartridge |
May 15, 1990 |
|
| 7417349 |
Driving apparatus |
August 26, 2008 |
| A rotating electric machine comprises a stator having stator salient poles, three-phases windings wound around said stator salient poles, a rotor rotatable held inside the said stator, and permanent magnets inserted into said rotor and positioned opposite to said stator salient poles |
| 7378773 |
Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet elec |
May 27, 2008 |
| A magnetic gap is provided between a permanent magnet of a rotor and an auxiliary magnet pole portion which is arranged adjacent to the permanent magnet in a peripheral direction. A gradual change in a magnetic flux density distribution of a surface of the rotor is obtained and a cogging |
| 7294988 |
Synchronous motor drive unit and a driving method thereof |
November 13, 2007 |
| A rotary sensor that outputs two analog signals, such as one sine wave and one cosine wave and has multiple periods within one period of the electrical angle of a motor is employed. The motor is energized at each position for a specified length of time upon its startup by using multi |
| 7242128 |
DC brushless motor for electrical power steering and the production method thereof |
July 10, 2007 |
| The stator core of a motor comprises an annular back core, and a plurality of tees created separately from the back core and secured onto the inner periphery of the back core. A stator coil is wound on each of the tees by a distributed or concentrated winding method. The stator core and |
| 7215055 |
Vehicle |
May 8, 2007 |
| A rotating electric machine comprises a stator having stator salient poles, three-phase windings wound around said stator salient poles, a rotor rotatable held inside the said stator, and permanent magnets inserted into said rotor and positioned opposite to said stator salient poles. |
| 7196447 |
Rotating electric machine |
March 27, 2007 |
| A rotating electric machine comprises a stator having stator salient poles, three-phases windings wound around the stator salient poles, a rotor rotatable held inside the stator, and permanent magnets inserted into the rotor and positioned opposite to the stator salient poles. Three- |
| 7147929 |
Method of manufacturing a resin-molded stator |
December 12, 2006 |
| A highly reliable resin-molded stator not suffering insulation breakdown between the different phases of the stator coils even when the operation mode where the output of a rotary machine using a resin-molded stator in which a stator coil wound around a plurality of slots and a stator co |
| 7122934 |
Rotating electric machine, motor-driven vehicle and resin insert-molding method |
October 17, 2006 |
| A rotating electric machine comprises: a stator including a stator iron core having a plurality of slots and a stator winding incorporated in the plurality of slots; and a rotor rotatably disposed in the stator via a clearance; wherein a mold (i.e., a slot insulator) made of an insulatin |
| 7119470 |
Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet elec |
October 10, 2006 |
| A magnetic gap is provided between a permanent magnet of a rotor and an auxiliary magnet pole portion which is arranged adjacent to the permanent magnet in a peripheral direction. A gradual change in a magnetic flux density distribution of a surface of the rotor is obtained and a cogging |
| 7067943 |
Resin-molded stator, a method of manufacturing the same, and a rotary machine using the same |
June 27, 2006 |
| A highly reliable resin-molded stator not suffering insulation breakdown between different phases of stator coils even when the operation mode is repeated where the output of a rotary machine using a resin-molded stator is to be increased from the level under a stopped status to the maxi |
| 6963154 |
Permanent magnet type electric rotating machine and hybrid electric vehicle using it |
November 8, 2005 |
| A permanent magnet type electric rotating machine comprises a stator having a salient-pole concentrated winding, and a rotor disposed with a rotational gap, and having a plurality of permanent magnets arranged and fixed in a circumferential direction inside, and an auxiliary salient pole |
| 6949856 |
Permanent magnet rotating electric machine and electrically driven vehicle employing same |
September 27, 2005 |
| A rotating electric machine comprises a stator having stator salient poles, three-phases windings wound around said stator salient poles, a rotor rotatable held inside the said stator, and permanent magnets inserted into said rotor and positioned opposite to said stator salient poles, wh |
| 6876117 |
Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet elec |
April 5, 2005 |
| A magnetic gap is provided between a permanent magnet of a rotor and an auxiliary magnet pole portion which is arranged adjacent to the permanent magnet in a peripheral direction. A gradual change in a magnetic flux density distribution of a surface of the rotor is obtained and a cogging |
| 6849983 |
Rotary machine having bypath magnetic path blocking magnetic barrier |
February 1, 2005 |
| The rotary machine is composed of the rotor having magnetic poles and the stator having the stator yoke portion constituting the iron core tooth portion wound by the stator winding and the flux flow path of the magnetic poles. The rotor is composed of a metallic material having ferromagn |
| 6822360 |
Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet elec |
November 23, 2004 |
| A magnetic gap is provided between a permanent magnet of a rotor and an auxiliary magnetic pole portion which is arranged adjacent to the permanent magnet in a peripheral direction. A gradual change in a magnetic flux density distribution of a surface of the rotor is obtained and a c |
| 6798103 |
Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet elec |
September 28, 2004 |
| A magnetic gap is provided between a permanent magnet of a rotor and an auxiliary magnetic pole portion which is arranged adjacent to the permanent magnet in a peripheral direction. A gradual change in a magnetic flux density distribution of a surface of the rotor is obtained and a c |
| 6734592 |
Permanent magnet rotating electric machine and electrically driven vehicle employing same |
May 11, 2004 |
| A rotating electric machine comprises a stator having stator salient poles, three-phases windings wound around said stator salient poles, a rotor rotatable held inside the said stator, and permanent magnets inserted into said rotor and positioned opposite to said stator salient poles, wh |
| 6700282 |
Rotary electric machine and method for connecting stator conductors |
March 2, 2004 |
| A rotary electric machine having improved coil connection reliability, simplified coil end processing steps and improved workability based on an improved components mounting method is to be provided. Flat type conductors are inserted in a stacked state into each of slots formed in a |
| 6661147 |
Electric vehicle and rotary electric machine having a divided rotor core |
December 9, 2003 |
| An rotary electric machine 1 comprises stator 2 having a stator core 4 wounded with stator windings 5 and a rotor 3 having a rotor core 7 rotatable and opposite to the stator core 4 through a gap. The rotor core 4 of the roraty electric machine 1 is composed of a plurality of project |
| 6548933 |
Stator of rotating electric machine |
April 15, 2003 |
| A linear shape straight angle line is transformed to form U-shape configuration in advance and by sandwiching a stator tooth portion to adjacent slots linear shape two sides are inserted and using a thin plate rod shape chip between both ends of U-shape side of the above stated coil |
| 6528920 |
Permanent magnet rotary machine and electric vehicle using the same |
March 4, 2003 |
| At least one groove and two grooves extending toward an axial direction of a rotor and is provided on an outer periphery of a rotor iron core or at least one hole is provided in the rotor iron core. By providing the groove and the two grooves on the outer periphery of the rotor iron core |
| 6481089 |
Method for manufacturing an electromotive machine having an insulated coil |
November 19, 2002 |
| A method for manufacturing an insulated coil for use in an electromotive machine includes an aligning and winding step for forming a coil by aligning and winding a wire coated with insulating material; an insulator forming step for winding or coating an insulator around a slot inserting |
| 6452302 |
Rotary electric machine and electric vehicle using the same |
September 17, 2002 |
| An rotary electric machine 1 comprises stator 2 having a stator core 4 wounded with stator windings 5 and a rotor 3 having a rotor core 7 rotatable and opposite to the stator core 4 through a gap. The rotor core 4 of the roraty electric machine 1 is composed of a plurality of project |
| 6445100 |
Permanent magnet dynamo electric machine |
September 3, 2002 |
| In order to realize a permanent magnet dynamo electric machine which permits a high speed rotation, the permanent magnet dynamo electrIc machine including a stator 20 having a stator iron core 22 in which a stator winding 24 is wound, and a rotor 30 facing the inner circumference of |
| 6429565 |
Permanent magnet type electric rotating machine and hybrid electric vehicle using it |
August 6, 2002 |
| A permanent magnet type electric rotating machine comprises a stator having a salient-pole concentrated winding, and a rotor disposed with a rotational gap, and having a plurality of permanent magnets arranged and fixed in a circumferential direction inside, and an auxiliary salient pole |
| 6404152 |
Motor control device |
June 11, 2002 |
| In order to reduce undesired sound caused by circular ring oscillation in the diametric direction of the stator by an electromagnetic force, electromagnetic force drift memory stores a drift information of the electromagnetic force causing the circular ring oscillation of the stator. |
| 6396183 |
Permanent magnet rotating electric machine and electrically driven vehicle employing same |
May 28, 2002 |
| A rotating electric machine comprises a stator having stator salient poles, three-phases windings wound around said stator salient poles, a rotor rotatable held inside the said stator, and permanent magnets inserted into said rotor and positioned opposite to said stator salient poles, wh |
| 6299087 |
Data cartridge having a reduced static charge |
October 9, 2001 |
| The surface of the base plate of the data cartridge is treated with chromate so as to coat the surface with a conductive film, with which the grounding means such as the elastic arms and cartridge positioning rollers provided on the chassis of the data cartridge drive come in contact whe |
| 6242837 |
Permanent magnet rotary machine and electric vehicle using the same |
June 5, 2001 |
| At least one groove and two grooves extending toward an axial direction of a rotor and is provided on an outer periphery of a rotor iron core or at least one hole is provided in the rotor iron core. By providing the groove and the two grooves on the outer periphery of the rotor iron core |
| 6239525 |
Permanent magnet dynamoelectric rotating machine and electric vehicle equipped with the same |
May 29, 2001 |
| A permanent magnet dynamoelectric rotating machine comprises a stator provided with windings; and a rotor disposed with an air gap between the stator and the rotor, and provided with a plurality of permanent magnets arranged along the circumference of the rotor and fixed to the rotor. Th |
| 6229241 |
Structure and manufacturing method for motor and stator |
May 8, 2001 |
| A motor having a lap winding structure and a manufacturing method therefor, wherein inserts of two different coils are installed side by side in one slot of a stator in a circumferential direction of the stator. All the coils are inserted in slots in succession. Further, a stator having |
| 6208054 |
Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet elec |
March 27, 2001 |
| A magnetic gap is provided between a permanent magnet of a rotor and an auxiliary magnetic pole portion which is arranged adjacent to the permanent magnet in a peripheral direction. A gradual change in a magnetic flux density distribution of a surface of the rotor is obtained and a c |
| 6188157 |
Parmanent magnet dynamo electric machine |
February 13, 2001 |
| An electrically driven motor vehicle having mechanism including a permanent magnet dynamo electric machine which permits high speed of rotation. The permanent magnet dynamo electric machine includes a stator having a stator iron core in which a stator winding is wound, and a rotor facing |
| 6175468 |
Reproducing apparatus with auxiliary shutter configuration |
January 16, 2001 |
| A reproducing apparatus includes a main shutter for closing a cartridge-holder opening, which is rotated in the cartridge-inserting direction when inserting one of the large and small cartridges so as to open the cartridge-holder opening. An auxiliary shutter is disposed in front of |
| 6133662 |
Permanent magnet dynamoelectric rotating machine and electric vehicle equipped with the same |
October 17, 2000 |
| A permanent magnet electric machine comprises a stator provided with windings and a rotor disposed with an air gap between the stator and the rotor. A plurality of permanent magnets are arranged along and fixed to the circumference of the rotor. The angular circumferential extent of a |
| 6034460 |
Permanent magnet rotating electric machine and electrically driven vehicle employing same |
March 7, 2000 |
| A rotating electric machine comprises a stator having stator salient poles, three-phases windings wound around said stator salient poles, a rotor rotatable held inside the said stator, and permanent magnets inserted into said rotor and positioned opposite to said stator salient poles, wh |
| 6034459 |
Permanent magnet type dynamo electric machine and electric vehicle using the same |
March 7, 2000 |
| A permanent magnet type dynamoelectric machine for driving a motor vehicle has a stator with a stator iron core and a rotor with a rotor iron core facing the stator iron core through an air gap permitting rotation of the rotor. A plurality of permanent magnets are embedded along the |
| 5917684 |
Magnetic head apparatus, tape cartridge and recording/reproducing apparatus for increasing tape |
June 29, 1999 |
| A magnetic head device has a base portion 3, and a magnetic head element 4 protuberantly formed on a major surface of the base portion 3 and having a magnetic core with a magnetic gap g. A magnetic tape controller 5 surrounding the magnetic head element 4 and contacted with a magnetic ta |
| 5886433 |
Dynamoelectric machine |
March 23, 1999 |
| A dynamoelectric machine is provided with an arrangement in the form of a plurality of cooling tubes disposed in or adjacent the stator core of the machine and through which a coolant is caused to flow. The coolant tubes extend axially with respect to the rotor of the machine and are spa |
| 5872692 |
Recording/reproducing apparatus, magnetic head and tape cartridge |
February 16, 1999 |
| A recording/reproducing apparatus in which recording/reproducing characteristics for the magnetic tape may be stabilized and data errors may be reliably prevented form occurrence. The recording/reproducing apparatus has a magnetic head 81 in which a pair of magnetic core halves 83A, |
| 5860523 |
Tape cassette receiving housing |
January 19, 1999 |
| A tape cassette receiving housing comprises a housing proper portion and a lid portion which is fixed to the housing proper portion through a hinge portion so as to enable to be opened or closed. Shaft portions are formed so as to penetrate into reel driving holes of a supply reel and a |
| 5850980 |
Tape cassette |
December 22, 1998 |
| A tape cassette provided with a tape member comprised of a magnetic tape connected to transparent leader tapes affixed to a pair of tape reels rotatably supported in a cassette body via connection tapes. In this cassette body, a light emitting element hole is located between the pair |
| 5850316 |
Tape cartridge and driving system having rotation detection unit for drive roll to maintain cons |
December 15, 1998 |
| The rotation of a drive roll is detected using an rpm detection enabling element provided on the drive roll in order to control the driving device and reduce data error and loss of storage capacity. A cover member 3 and a base plate 4 make up a main cartridge member 2 within which a pair |
| 5847906 |
Recording/reproducing apparatus, magnetic head and tape cartridge |
December 8, 1998 |
| A recording/reproducing apparatus in which recording/reproducing characteristics for the magnetic tape may be stabilized and data errors may be reliably prevented form occurrence. The recording/reproducing apparatus has a magnetic head 81 in which a pair of magnetic core halves 83A, |
| 5811904 |
Permanent magnet dynamo electric machine |
September 22, 1998 |
| In order to realize a permanent magnet dynamo electric machine which permits a high speed of rotation, the permanent magnet dynamo electric machine includes a stator 20 having a stator iron core 22 in which a stator winding 24 is wound, and a rotor 30 facing the inner circumference o |
| 5757579 |
Data cartridge drive for receiving data cartridges of varied memory capacity |
May 26, 1998 |
| A data cartridge drive including a front panel having a laterally elongated, substantially rectangular cartridge insert opening from which a data cartridge is inserted; and a laterally elongated, substantially rectangular lid pivotably mounted through a pair of pivotal shafts to an u |
| 5744880 |
Rotating motor and motor-driven vehicle |
April 28, 1998 |
| A rotating motor is provided which permits heat to be efficiently dissipated from all of the stator, rotor, and inner and outer races of bearings. This assures that the rotor exhibits a high intensity as it turns. Also, long bearing life is assured. A coolant enters a cooling passage |
