Control apparatus

Invention Grant

US2229988A Control apparatus 失效

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Patent Title: Control apparatus
Application No.: US16803037

Application Date: 1937-10-08
Publication No.: US2229988A

Publication Date: 1941-01-28
Inventor: SAMUEL PITT , RELCHELT LESTER O
Applicant: WESTERN ELECTRIC CO
Assignee: Lucent Technologies Inc
Current Assignee: Lucent Technologies Inc
Priority: US16803037 1937-10-08
Main IPC: H02P5/68
IPC: H02P5/68

Control apparatus

Public/Granted literature

US11434582B2 Method for producing bulk silicon carbide by sublimation of a silicon carbide precursor prepared from silicon and carbon particles or particulate silicon carbide Public/Granted day:2022-09-06

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IPC分类:

H	电学
H02	发电、变电或配电
H02P	电动机、发电机或机电变换器的控制或调节；控制变压器、电抗器或扼流圈
H02P5/00	专门适用于调节或控制两个或多个电动机的速度或转矩的装置〔H02P6/04,H02P8/40优先〕
H02P5/68	.控制两个或多个直流机电电动机（H02P5/46，H02P5/60优先）

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