Electricity: single generator systems inventions 04/07

20070085511 - Power generation control apparatus for vehicle: A vehicle power generation control apparatus has a power supply circuit, a rotation detecting circuit, an exciting current detecting circuit, a torque detecting/maximum exciting current determining circuit, and an exciting current control circuit. The rotation detecting circuit detects a rotation speed of a generator (or vehicle alternator) and the exciting... Agent: Oliff & Berridge, PLC

20070085510 - Vehicle alternator monitoring system and related failure monitoring method: A vehicle alternator failure monitoring system and related monitoring method are disclosed wherein an ECU executes operations depending on a power generation status of a vehicle alternator and a vehicle alternator control device has a serial communication transmitter circuit operative to transmit a serial communication signal, indicative of the power... Agent: Oliff & Berridge, PLC

20070085512 - Vehicle-generator control device: The vehicle-generator control device for controlling an output voltage of a vehicle generator by on/off-controlling an excitation current flowing into an excitation winding of the vehicle generator, includes an excitation current detecting circuit detecting an excitation current flowing into the excitation winding, and a computation circuit having a first function... Agent: Oliff & Berridge, PLC

20070080669 - Dual voltage electrical system: A dual voltage supply system supplies high and low voltage electrical power to separate high and low voltage loads. The system includes an AC alternator and first and second rectifier circuits, each connected to the alternator and a corresponding high and low voltage load. The first rectifier circuit commutates the... Agent: Deere & Company