The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 04, 2006
Filed:
Dec. 18, 2002
David Anthony Clark, Hugglescote, GB;
James Robert Lowrie, Derby, GB;
Heather Allderidge, Derby, GB;
David Anthony Clark, Hugglescote, GB;
James Robert Lowrie, Derby, GB;
Heather Allderidge, Derby, GB;
Microgen Energy Limited, , GB;
Abstract
A domestic combined heat and power system comprising a Stirling engine () and water heater in the form of a supplementary burner (). The exhaust gas from the Stirling engine is used to preheat combustible gas entering the Stirling engine and subsequently used to heat the water. The water heater () has a helical water duct () towards the periphery of a housing (). Separate parts of this duct are heated, in series, by the exhaust gas from the Stirling engine and the supplementary burner () firing radially outwardly through the helical duct.