Invention Grant
- Patent Title: Variable frequency controller
- Patent Title (中): 变频控制器
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Application No.: US491463Application Date: 1983-05-04
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Publication No.: US4811193APublication Date: 1989-03-07
- Inventor: Junius D. Scott , John D. Gotal
- Applicant: Junius D. Scott , John D. Gotal
- Applicant Address: IL Chicago
- Assignee: FMC Corporation
- Current Assignee: FMC Corporation
- Current Assignee Address: IL Chicago
- Main IPC: H02M1/08
- IPC: H02M1/08 ; H02K33/00 ; H02M5/27 ; H02M5/02
Abstract:
A circuit for operating an electromagnet of a feeder or vibrator incorporate phase control for a triac used for oscillating the feeder at line frequency or at a selectable subharmonic frequency.
Public/Granted literature
- US5508405A Quinuclidines, their use as medicaments and processes for their preparation Public/Granted day:1996-04-16
Information query
