Stoves and furnaces – Liquid heater – Open-top vessel that may include lid
Patent
1991-10-30
1993-05-04
Jones, Larry
Stoves and furnaces
Liquid heater
Open-top vessel that may include lid
126360R, 122136R, A47J 2700
Patent
active
052072126
ABSTRACT:
An apparatus for heating water in a water tank includes a first tubular member and a second tubular member that has an input end and an exhaust end. The second tubular member is disposed at least in part within the first tubular member to form an annular clearance space therebetween. A burner is coupled to the input end of the second tubular member and supplies gases produced by combustion to the interior of the second tubular member.
REFERENCES:
patent: 2527430 (1950-10-01), Kniveton
patent: 2642858 (1953-06-01), Plesset et al.
patent: 3349754 (1967-10-01), Bock
patent: 3757745 (1973-09-01), Miller
patent: 4781112 (1991-01-01), Adams et al.
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