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Class 318/149 - With plural, diverse or diversely controlled generators


Subclass of Class 318 - Electricity: motive power systems
Definition: Subject matter in which there are two or more generators
No. of patents: 15
Last issue date: 02/03/2009


NumberTitleIssue Date
7486035Power output apparatus and vehicle including such power output apparatus
A first motor generator is linked to an engine and generates torque to start the engine. At time t1-t2 and time t3-t4, when current conducted to the first motor generator will exceed the upper limit value and the lower limit value due to ...
02/03/2009
7443117Control apparatus for electric vehicles
In a hybrid vehicle control apparatus, a motor control unit executes a system voltage stabilization control, in which an input power to a MG unit is controlled to suppress variations in the system voltage. The motor control unit executes the input power control on t...
10/28/2008
7330014Method and system for controlling power to be fed to electrical loads
In a control system, a control unit is connected to a generator and is configured to, when a steep change in a load current flowing through at least one specific electrical load is sensed, control the output of the generator based on the sensed steep change in the l...
02/12/2008
7157885Inverter controlled generator set and method for controlling the same
A method for controlling an inverter controlled generator set which comprises a DC power source section having as a power source a generator driven by an engine and an inverter which converts an output of said DC power source section into an AC output, the method co...
01/02/2007
7004456Engine speed limiter for a hoist
A mobile service rig for wells includes a hoist powered by an internal combustion engine. In response to the hoist exerting a predetermined lifting force, the lifting force is limited by automatically limiting or reducing the speed of the engine. ...
02/28/2006
6958587Torque distribution for multiple propulsion system vehicles
A vehicle has multiple electrical propulsion systems. Torque is split among the various propulsion systems to meet a variety of requirements and limitations including operator demand, vehicular traction limits, electric machine torque capabilities, machine efficienc...
10/25/2005
6191544Device for compensation of voltage drop at light sources of a vehicle with electrical auxiliary charging device
A device for compensation of voltage drop at light sources of a vehicle has light sources having a resistance R0 and connected to a vehicle battery. An auxiliary charging device with electric motor is provided. The electric motor has an on/off ...
02/20/2001
5606233System for generating electricity in a vehicle
A system for generating electricity in a vehicle when the vehicle is not moving at a sufficient speed to drive the on board generators and when the wind is insufficient to drive the generators. In one embodiment, a control unit receives input signals from...
02/25/1997
4734626Double differential, electrically compensated constant speed drive
An electrically compensated constant speed drive (ECCSD) according to the present invention includes a pair of power transmission paths between the prime mover and a load wherein each power transmission path includes a mechanical differential having a fir...
03/29/1988
4567407Biased unitized motor alternator with stationary armature and field
A unitized (single unit) motor and flux switch alternator having stationary field, armature and motor windings which provides a magnetic path for some of the motor input power to feed through and increase the alternating current (AC) generator output. A r...
01/28/1986
4543513Method and an apparatus for controlling a.c. rotating machinery power plants
The control of a quantity (voltage, phase) relating to a generator-motor pair in an electric power station is accomplished by generating a pulse sequence associated with the quantity to be controlled, generating a predetermined reference pulse sequence an...
09/24/1985
4354144Transmissionless drive system
A continuously variable transmissionless drive system providing maximum torque at low speeds. The system is usable in a hybrid vehicle having a prime mover, such as an internal combustion engine, operated at its optimum rpm for efficiency. The prime mover...
10/12/1982
4095664Electric motor driven automotive vehicle having a magnetic particle clutch
A power plant and drive system for an automotive vehicle includes a constant speed 120 volt 3 phase AC motor which is coupled to the drive shaft of the vehicle through a magnetic particle clutch. The 120 volt 3 phase AC motor receives energy from a 120 vo...
06/20/1978
4034273Turbo-electric turret drive system for mobile vehicles
A turret drive system for mobile and armored vehicles includes a turbo-geator for supplying power to an electric motor. The driveshaft of the motor is connected to the driveshaft of a rotary amplifier, with a flywheel mounted to the interconnecting drive...
07/05/1977
4012677Speed control for electrically propelled traction vehicles
An electrical propulsion control system for self-propelled traction vehicles of the type having a prime mover-driven electric generator supplying energy to traction motors and regulating means for maintaining the electrical output of the generator within ...
03/15/1977
 
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