LandOfFree - US Patents - Listing for Electricity: motive power systems,Plural, diverse or diversely controlled electric motors,Having electrical synchronizing interconnections

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Apparatus for changing the relative phase angles of output shaft

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Apparatus for ensuring synchronism in lifting jacks

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Apparatus for ensuring synchronism in lifting jacks

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Control circuit for plural partially interlocked commutator type

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Control system for synchronous rotation of cutter heads, for use

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Direct current drive system

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Electric drive for synchronous displacement of mechanically inde

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Electric vehicle control device

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Electric-driving device for openable members

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Machine for lapping two curved-tooth bevel gears

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Method and apparatus for controlling multiple motor drive of pri

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Method of controlling synchronous operation of machine tool

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Motor drive unit

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Multiple inverter system with low power bus ripples and...

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Mutual active cancellation of fan noise and vibration

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Switching device for controlling two electric motors at differen

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Synchronization control apparatus and method

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

System and method for controlling a variable speed drive

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Having electrical synchronizing interconnections

Turntable speed control system