Inventor
ERTH RICHARD A
8 patents
⚠️ This page may combine multiple inventors who share the name “ERTH RICHARD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BORG WARNER
7 patentsUS4151725AMay 1, 1979
Control system for regulating large capacity rotating machinery
BORG WARNER202 citations97
US4546618AOct 15, 1985
Capacity control systems for inverter-driven centrifugal compressor based water chillers
BORG WARNER61 citations95
US4182137AJan 8, 1980
Liquid cooling system for hermetically sealed electric motor
BORG WARNER53 citations95
US4351160ASep 28, 1982
Capacity control systems for screw compressor based water chillers
BORG WARNER38 citations92
US4282718AAug 11, 1981
Evaporator inlet water temperature control system
BORG WARNER42 citations92
US4282719AAug 11, 1981
Control system for regulating large capacity rotating machinery
BORG WARNER32 citations92
US4317074AFeb 23, 1982
Inverter-motor system with different control characteristics for inverter voltage and frequency
BORG WARNER12 citations72