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Class 290/30A - Standby source


Subclass of Class 290 - Prime-mover dynamo plants
No. of patents: 14
Last issue date: 02/23/2010


NumberTitleIssue Date
7667341Power-generating apparatus, such as a generator
A power-generating apparatus includes a frame, an engine supported by the frame, an alternator coupled to the engine and operable to convert mechanical energy from the engine into electrical energy, and a battery charger supported by the frame and electrically coupl...
02/23/2010
7352072Method for the closed-loop speed control of an internal combustion engine-generator unit
A method for the closed-loop speed control of an internal combustion engine-generator unit with a coupling, in which method, when the engagement of the coupling is detected, a change is made from a first set of parameters to a second set of parameters. In the second...
04/01/2008
7129593Low-energy storage fast-start uninterruptible power supply method
An uninterruptible power supply system has standby and backup modes and can change to backup mode upon detection of a grid fault. In both modes an alternator rotates at synchronous speed so that backup mode capability is ready. An energy storage unit through a DC-AC...
10/31/2006
7121257Method for the automatic control of an internal combustion engine-generator unit
A method for automatically controlling an internal combustion engine-generator unit, in which, in a generator installation with closed-loop load equalization control, a speed limitation curve can be varied as a function of a speed set value (nM(SL)). ...
10/17/2006
7072759Method for controlling an internal combustion engine generator unit
An actual run-up ramp is measured for internal combustion engine-generator unit during a starting process. The actual run-ramp is then set as the set run-up ramp. In this way, the closed-loop control of the internal combustion engine-generator unit adapts itself to ...
07/04/2006
7042111System, method and apparatus for a redundant prime mover system
The present invention provides a system, method and apparatus for a redundant prime mover system to drive a machine having an engine coupled to the machine, and a motor/generator coupled to the machine and an electrical network connection. The controller operates th...
05/09/2006
6628003Prime mover for powering an electrical generator
A prime mover that stores mechanical energy in case of an electrical failure. When an electrical failure occurs, the prime mover is activated either automatically by a computer with a battery back-up or manually. The prime mover oscillates back and forth ...
09/30/2003
6573626Apparatus for uninterruptedly supplying power including an electrical machine and a flywheel
An apparatus for uninterruptedly supplying power includes an electrical machine including a rotor and being designed and arranged to be connected to a load to be supplied with alternating current. Coupling units include a differential transmission includi...
06/03/2003
6563229Standby power system
A standby power system includes a flywheel that rotates in a horizontal plane and is coupled to an engine and a motor/generator that have horizontally oriented shafts which rotate in vertical planes. A coupling changes the direction of rotation to couple ...
05/13/2003
6512305Method and apparatus having a turbine working in different modes for providing an uninterruptible supply of electric power to a critical load
An uninterruptible power supply (UPS) system supplies power to computers, medical apparatus or other critical loads when primary power supply falters. The UPS system includes an electrical machine connected to a turbine that can be rotated by a motive flu...
01/28/2003
6133716High-efficiency high-power uninterrupted power system
An uninterrupted power supply (UPS) system provides power to an electrical load when utility line power fails. When the utility line power is normal a synchronous dynamo serves as a motor, and a first variable-ratio transmission arrangement is combined wi...
10/17/2000
6023134Power conversion system for bi-directional conversion between hydraulic power and electrical power
A bi-directional power conversion system interconnects hydraulic and electrical power systems on-board a vehicle such as an air-craft, whereby the power conversion system can selectively convert available electrical power to needed hydraulic power or vice...
02/08/2000
4460834Uninterruptible power system
The present device is power system for providing an uninterruptible power supply to an external load comprising a flywheel generator, a first motor, a standby generator, and a transfer controller. The flywheel generator is adapted to supply energy to the ...
07/17/1984
4338524Drive unit for a compressor of a heat pump
A drive unit for a compressor which is used in a heat pump. The drive unit includes a fuel-injection internal combustion engine which is coupled with the compressor and a starter associated with said engine and is fed from multiphase electric power supply...
07/06/1982
 
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