[특허]Electric rotating machine having structure of shifting stator position by predetermined angle

[미국특허] Electric rotating machine having structure of shifting stator position by predetermined angle 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02K-001/12
출원번호	US-0593601 (2000-06-12)
우선권정보	JP-0302786 (1999-10-25)
발명자 / 주소	Toshihiko Sakai JP Koichiro Ohara JP Takuya Kawashima JP
출원인 / 주소	Hitachi, Ltd. JP
대리인 / 주소	Antonelli, Terry, Stout & Kraus, LLP
인용정보	피인용 횟수 : 17 인용 특허 : 7

초록 ▼

For providing an electric rotating machine, with which can be maintained the rotational symmetry of the stator iron or steel sheets, as well as the symmetry of the magnetic circuit, without increasing of the weight of the stator, wherein an electric rotating machine comprising: a stator having a stator core 101 being formed by fixing a laminated body of stator iron or steel sheets, and stator coils 102; a rotor 103 having a rotation shaft of; a frame 105 for receiving the stator therein; and end brackets 106 and 107 having through bolt holes 34 and outer attachment bolt holes 31, wherein the stator is fixed to the end brackets 106 and 107 by through bolts 14, and the electric rotating machine is installable onto an outside by means of outer attachment bolts, and the stator iron or steel sheet 1 is in a shape being symmetric both sides and upside down with axes B1-B4 and comprises a main body portion 11 and 15 and corner portions 12 in which are formed through bolt holes 13, the through bolt holes 13 are provided on the axes B1-B4 of symmetry and on a circumference around the rotation shaft O of the rotor at an equal distance between them, and further a line connecting between the through bolt hole 13 and the rotation shaft O of the rotor is shifted from a line connecting between the outer attachment bolt hole 31 of the flange and the rotation shaft O of the rotor, by a predetermined angle .alpha..

대표청구항 ▼

1. An electric rotating machine comprising:a stator having a stator core being formed by accumulating and fixing a plurality of stator steel sheets, and stator coils; a rotor having a rotation shaft being received within an inner periphery side of said stator; a frame for receiving said stator therein; and end brackets for holding the stator and the rotor therein and having through bolt holes, wherein said stator is fixed to said end brackets by through bolts, and the electric rotating machine is installable onto an outside by means of outer attachment bolts through outer attachment bolt holes which are formed in at least one of said end brackets, and said stator steel sheets are in a shape being symmetric both sides and upside down with respect to an axis of symmetry, each having a main body portion functioning as a magnetic circuit and corner portions, in each of which a through bolt hole is formed, said through bolt holes are provided on said axis of symmetry and on a circumference around the rotation shaft of the rotor at an equal distance therebetween, and further a line connecting between the through bolt hole and the rotation shaft of the rotor is shifted from a line connecting between the outer attachment bolt hole and the rotation shaft of the rotor so that they defined a predetermined angle there between.

이 특허에 인용된 특허 (7) 인용/피인용 타임라인 분석

Patyk Guy J. ; Olsen Curtis O., DC motor drive with improved thermal characteristics.
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Larsen Aage J. (Odense DKX), Electromotor with laminated stator and method of manufacturing the same.
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Periyathamby Haran K.,CAX ; Horski Marek,CAX, End cap for an ultra quiet electric motor.
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Archer William R. (Fort Wayne IN) Lytle Peter B. (Fort Wayne IN) Shah Rajendra K. (Fort Wayne IN) Wynberry John E. (Fort Wayne IN), Integrated electronically commutated motor and control circuit assembly.
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Saban Daniel M. ; Sirois Robert D. ; Holich James J., Paired interlocks for flexible indexing of rotated stator cores.
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Lin Ted T. (Cupertino CA), Pole grouping for stepping motor.
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Lemmer Jerome J. (Oakdale MN) O\Malley Gary B. (Fridley MN) Evenson Rickie A. (Ham Lake MN), Skewed rotor assembly.
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이 특허를 인용한 특허 (17) 인용/피인용 타임라인 분석

Nomura, Masashi; Nagata, Masamichi, Brushless motor.
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Suzuki, Hiroyuki; Sugishima, Kazushi; Nishikawa, Yoshihito; Matsushita, Mitsuhiko, Brushless motor.
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Zepp, Lawrence P.; Medlin, Jerry W., Brushless permanent magnet wheel motor with variable axial rotor/stator alignment.
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Zepp,Lawrence P.; Medlin,Jerry W., Brushless permanent magnet wheel motor with variable axial rotor/stator alignment.
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Lee,Ho Jae, Core-coil assembly of motor and manufacturing method thereof.
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Sakai, Toshihiko; Ohara, Koichiro; Kawashima, Takuya, Electric rotating machine having structure of shifting stator position by predetermined angle.
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Sakai, Toshihiko; Ohara, Koichiro; Kawashima, Takuya, Electric rotating machine having structure of shifting stator position by predetermined angle.
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Zepp, Lawrence P.; Hendershot, Jr., James R., Electrical machine construction using axially inserted teeth in a stator ring or armature.
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Zepp,Lawrence P.; Hendershot, Jr.,James R., Electrical machine construction using axially inserted teeth in a stator ring or armature.
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Shiah, Kyi-Shin, Method of forming a stator for a brushless motor.
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Suzuki, Takumi; Yamashita, Yuuji, Motor.
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Uryu, Nobuhiko; Yamasaki, Masashi, Rotating electric machine and electric power steering device.
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Suzuki,Mikitsugu; Yokoyama,Seiya, Stator for dynamo-electric machine.
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Taniguchi, Makoto; Ito, Satoshi, Stator for electric rotating machine.
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Miyashita, Toshihito; Hioki, Hiroshi, Stator for motor.
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Miyashita, Toshihito; Hioki, Hiroshi, Stator for motors.
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Sanchez, George; Berlin, Brett R.; Broadsack, Gregory J.; Pointer, Jon S.; Siedow, Henri A.; Warwick, Gary A.; Way, Richard J., Vibration isolator and actuator incorporating same for isolating integral electronics.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Electric rotating machine having structure of shifting stator position by predetermined angle 원문보기