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U.S. Department of Energy
Office of Scientific and Technical Information

Compact cogeneration system

Patent ·
OSTI ID:5561823
This patent describes a compact heat exchanger for heating water with, and cleaning, the exhaust gas of an internal combustion engine of a cogeneration system. It comprises an outer shell having gas inlet means for entry of exhaust gas from the engine, gas outlet means for outflow of exhaust gas, water inlet means for entry of water to be heated, and water outlet means for outflow of water; a housing positioned within and spaced from the outer shell to form a flow channel therebetween; a coil in communication with the water inlet means and the water outlet means and positioned in the flow channel between the housing and the outer shell; catalytic converter material within the housing; wherein the housing is connected to the gas inlet means to receive exhaust gas from the engine and to direct the exhaust gas through the catalytic converter material.
Assignee:
Tecogen, Inc., Watham, MA (USA)
Patent Number(s):
US 5033264; A
Application Number:
PPN: US 7-367383
OSTI ID:
5561823
Country of Publication:
United States
Language:
English