JAMES DOUGLAS LUTZ
Pilots at 41 St, Oakland, CA
License number
California A4770932
Issued Date
Mar 2017
Expiration Date
Mar 2019
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
466 41St St APT 1, Oakland, CA 94609
Professional information
Condensing Side-Arm Water Heater
US Patent:
2009018, Jul 30, 2009
Filed:
Jun 26, 2007
Appl. No.:
12/306190
Inventors:
James D. Lutz - Oakland CA, US
International Classification:
F24H 1/22, F24H 9/00, F23D 14/62
US Classification:
122 171, 122 191, 431354
Abstract:
An apparatus for providing a condensing side-arm water heater with improved efficiency. The condensing side-arm element recirculates exhaust gases into heating the cooler part of a water heater tank by the thermosiphon (or buoyancy) effect in a counterflow configuration, thus increasing efficiency of the water heater.