Device for preheating liquid, particularly liquid fuel

Electric heating – Heating devices – Combined with diverse-type art device

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Details

123549, 210184, 219205, 219302, 219303, 219305, 2221465, 431208, F24H 110, H05B 300, B67D 562, F02M 3100

Patent

active

048662500

ABSTRACT:
A preheater for liquids, particularly fuel, includes a bowl-shaped housing provided with a bowl cover to form a closed chamber. A superficial heating chamber extends along the side wall of the housing to form at least a portion of a flow path for liquid to be preheated extending from an inlet on the cover through the heating chamber and the interior of the housing to an outlet on the cover. An electric heating foil directly contacts the exterior of the superficial heating chamber for heating the liquid flowing through the flow path and has its outer surface covered by a reflective foil and thermal insulation. A filter may be accommodated in the bowl-shaped housing to filter the liquid flowing through the flow path. Helical guide ribs in the superficial heating chamber significantly lengthen the flow path.

REFERENCES:
patent: 1120830 (1914-12-01), Mann
patent: 1514813 (1924-11-01), Adams
patent: 1523156 (1925-01-01), Adams
patent: 1695227 (1928-12-01), Bolinger
patent: 1766480 (1930-06-01), Blavelt
patent: 2011811 (1935-08-01), Garrett
patent: 2103434 (1937-12-01), Pennebaker
patent: 2673919 (1954-03-01), Arvins et al.
patent: 3733460 (1973-05-01), Ryckman
patent: 4358664 (1982-11-01), Kronseder
patent: 4522712 (1985-06-01), Fischer et al.
patent: 4687907 (1987-08-01), Barkley et al.

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