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1.Pole-changing, three-phase, alternating current motor or generator for three pole-numbers 失效
Title translation: 变极三相交流电动机或三极数位发电机公开(公告)号:US3308363A
公开(公告)日:1967-03-07
申请号:US27103363
申请日:1963-04-05
Applicant: NAT RES DEV
Inventor: HINDLE RAWCLIFFE GORDON , WILLIAM FONG
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公开(公告)号:US3396295A
公开(公告)日:1968-08-06
申请号:US49646565
申请日:1965-10-15
Applicant: NAT RES DEV
Inventor: HINDLE RAWCLIFFE GORDON , WILLIAM FONG
CPC classification number: H02K19/103 , H02K3/28 , H02K17/14
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公开(公告)号:US3302087A
公开(公告)日:1967-01-31
申请号:US29283863
申请日:1963-07-05
Applicant: NAT RES DEV
Inventor: HINDLE RAWCLIFFE GORDON , WILLIAM FONG
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4.Pole-changing, three-phase, alternating current, electric motors and generators 失效
Title translation: 变极,三相,交流,电动机和发电机公开(公告)号:US3299337A
公开(公告)日:1967-01-17
申请号:US29682663
申请日:1963-07-22
Applicant: NAT RES DEV
Inventor: HINDLE RAWCLIFFE GORDON , WILLIAM FONG
IPC: H02K3/28
CPC classification number: H02K3/28
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5.Rotary electric machines providing pole-changing by pole-amplitude modulation 失效
Title translation: 旋转电机通过极振幅调制提供极点变换公开(公告)号:US3197686A
公开(公告)日:1965-07-27
申请号:US11757661
申请日:1961-06-16
Applicant: NAT RES DEV
Inventor: HINDLE RAWCLIFFE GORDON , WILLIAM FONG
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