LandOfFree - US Patents - Listing for Electricity: motive power systems

Electricity: motive power systems – Limitation of motor load – current – torque or force

Failure detection system for a propulsion system

Electricity: motive power systems – Induction motor systems – Primary circuit control

Failure detector for regeneration power absorbing means

Electricity: motive power systems – Automatic and/or with time-delay means

Failure monitor for motor drive control system

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Running-speed control

Failure protection circuit for a two-motor lift truck

Electricity: motive power systems – Positional servo systems – With protective or reliability increasing features

Failure resistant electric motor monitor and control system

Electricity: motive power systems – Battery-fed motor systems

False-creep generating device for electric vehicles

Electricity: motive power systems – Plural diverse motor controls – Running-speed control

Fan

Electricity: motive power systems – Automatic and/or with time-delay means – Responsive to thermal conditions

Fan acceleration control

Electricity: motive power systems – Synchronous motor systems – Brushless motor closed-loop control

Fan and controlling device thereof

Electricity: motive power systems – Automatic and/or with time-delay means – Responsive to thermal conditions

Fan control and diode interlock for electric heaters

Electricity: motive power systems – Automatic and/or with time-delay means – Responsive to thermal conditions

Fan control circuit

Electricity: motive power systems – Limitation of motor load – current – torque or force

Fan control circuit

Electricity: motive power systems – Automatic and/or with time-delay means – Responsive to thermal conditions

Fan control device and method

Electricity: motive power systems – Automatic and/or with time-delay means – Responsive to thermal conditions

Fan control device for frequency converter

Electricity: motive power systems – Limitation of motor load – current – torque or force

Fan control device with breakdown warning capability

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Motors electrically connected in cascade or tandem

Fan control system

Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Motors electrically connected in cascade or tandem

Fan control system

Electricity: motive power systems – Positional servo systems – Pulse-width modulated power input to motor

Fan control utilizing bi-directional communication

Electricity: motive power systems – Automatic and/or with time-delay means – Electrical conditions in circuit other than controlled motor...

Fan controller