Plant for the production of electrical energy and heat
First Claim
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1. Plant for the production of electrical energy and heat of the type comprising:
- an internal combustion engine having a coolant jacket for the circulation of liquid coolant, and a coolant inlet and outlet communicating with said jacket;
a primary liquid coolant circuit including said engine coolant jacket, a gas/liquid heat exchanger through which the engine exhaust gases flow to give up heat to coolant flowing out of the jacket outlet and a liquid/liquid heat exchanger disposed in said primary circuit between said gas/liquid heat exchanger and the jacket inlet;
a secondary liquid circuit comprising said liquid/liquid heat exchanger and a heating unit, andan electrical generator driven by the engine,wherein the improvement consists in the electrical generator having a casing and a cooling jacket surrounding the casing, said generator cooling jacket being connected in said secondary circuit to receive a cooling flow of liquid therefrom.
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Abstract
A power plant has an electrical generator driven by an internal combustion engine in which engine coolant circulates in a gas/liquid heat exchanger to take up heat from engine exhaust gases and then through a liquid/liquid heat exchanger to give up heat to a secondary water circuit, the electrical generator being cooled by a circulation of water in the secondary circuit through a surrounding cooling jacket after the water has given up heat in a heating unit.
28 Citations
4 Claims
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1. Plant for the production of electrical energy and heat of the type comprising:
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an internal combustion engine having a coolant jacket for the circulation of liquid coolant, and a coolant inlet and outlet communicating with said jacket; a primary liquid coolant circuit including said engine coolant jacket, a gas/liquid heat exchanger through which the engine exhaust gases flow to give up heat to coolant flowing out of the jacket outlet and a liquid/liquid heat exchanger disposed in said primary circuit between said gas/liquid heat exchanger and the jacket inlet; a secondary liquid circuit comprising said liquid/liquid heat exchanger and a heating unit, and an electrical generator driven by the engine, wherein the improvement consists in the electrical generator having a casing and a cooling jacket surrounding the casing, said generator cooling jacket being connected in said secondary circuit to receive a cooling flow of liquid therefrom. - View Dependent Claims (2, 3, 4)
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Specification