Prime-mover dynamo plants – Heating plants
Reexamination Certificate
2002-12-18
2008-12-02
Ponomarenko, Nicholas (Department: 2834)
Prime-mover dynamo plants
Heating plants
C290S04000F, C290S044000
Reexamination Certificate
active
07459799
ABSTRACT:
A domestic combined heat and power (dchp) unit includes a Stirling engine1to provide heat for a domestic dwelling along with a source of electrical power. Under normal operation, the dchp is supplied with power from the national grid. When there is an interruption in the mains power from the grid, the dchp switches into a grid independent mode wherein power is generated by the dchp and is supplied to a controller26and to a water pump so as to maintain integrity of heat supply to the dwelling; the remaining power after that is supplied to selected domestic electrically powered equipment such as lights or television sets. The invention also discloses methods for black start of the dchp during a mains power loss, and also modification of the operating voltage on start up of electrical equipment during a power loss, to prevent the Stirling engine stalling.
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Aldridge Wayne Kenneth
Allderidge Heather
Clark David Anthony
Francis George McChesney
Roberts Graham Richard
Ballard Spahr Andrews & Ingersoll LLP
Cuevas Pedro J
Microgen Energy Limited
Ponomarenko Nicholas
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