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21.Arrangement in rapid reclosing compressed air circuit breakers 失效
Title translation: 快速重合闸压缩空气断路器的布置-
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23.Operating device for a blast valve in an air blast circuit breaker 失效
Title translation: 鼓风断路器中的鼓风阀的操作装置公开(公告)号:US3005077A
公开(公告)日:1961-10-17
申请号:US80054959
申请日:1959-03-19
Applicant: ASEA AB
Inventor: HAAKON FORWALD
IPC: H01H33/32
CPC classification number: H01H33/32
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公开(公告)号:US2969446A
公开(公告)日:1961-01-24
申请号:US71161058
申请日:1958-01-28
Applicant: ASEA AB
Inventor: HAAKON FORWALD
IPC: H01H33/02 , H01H33/30 , H01H33/867
CPC classification number: H01H33/302 , H01H33/02
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公开(公告)号:US2908788A
公开(公告)日:1959-10-13
申请号:US65219557
申请日:1957-04-11
Applicant: ASEA AB
Inventor: HAAKON FORWALD
IPC: H01H33/16 , H01H33/867
CPC classification number: H01H33/16
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26.Arrangement in air blast circuit breakers in which drying air is delivered to the control air pipe 失效
Title translation: 干燥空气输送到控制空气管道的气吹断路器中的布置公开(公告)号:US2890312A
公开(公告)日:1959-06-09
申请号:US68217457
申请日:1957-09-05
Applicant: ASEA AB
Inventor: HAAKON FORWALD
CPC classification number: H01H33/562 , H01H9/0066
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27.
公开(公告)号:US2862476A
公开(公告)日:1958-12-02
申请号:US48821155
申请日:1955-02-15
Applicant: ASEA AB
Inventor: HAAKON FORWALD
CPC classification number: F15B11/08 , F15B2211/30525 , F15B2211/322 , F15B2211/324 , F15B2211/325 , F15B2211/329 , F15B2211/7053 , F15B2211/72 , H01H33/34
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公开(公告)号:US2855487A
公开(公告)日:1958-10-07
申请号:US57128156
申请日:1956-03-13
Applicant: ASEA AB
Inventor: HAAKON FORWALD
IPC: H01H33/92
CPC classification number: H01H33/92
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公开(公告)号:US2774851A
公开(公告)日:1956-12-18
申请号:US45035554
申请日:1954-08-17
Applicant: ASEA AB
Inventor: HAAKON FORWALD
CPC classification number: H01H33/008 , H01H33/14
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公开(公告)号:US2729721A
公开(公告)日:1956-01-03
申请号:US34289053
申请日:1953-03-17
Applicant: ASEA AB
Inventor: HAAKON FORWALD
IPC: H01H33/14
CPC classification number: H01H33/14
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