Heating systems – Vehicle
Patent
1977-01-17
1978-11-07
Wayner, William E.
Heating systems
Vehicle
165 45, 237 80, F24D 510
Patent
active
041241797
ABSTRACT:
An antifreezing system for an exterior water pipe servicing a mobile home wherein the mobile home includes a furnace having a forced hot air passage and a cold air return. The system utilizes a hot air closed circuit, thermally insulated, conduit system surrounding the exterior water pipe wherein one end of the conduit system communicates with the hot air passage, while the other end of the conduit system communicates with the cold air return. In this manner a flow of warm air through the conduit system is produced during furnace operation preventing freezing of the exterior pipes and conserving the energy required for antifreezing purposes.
REFERENCES:
patent: 3304005 (1967-02-01), Lytle et al.
patent: 3689037 (1972-09-01), Payne
patent: 3756268 (1973-09-01), Lefever
Powell Kim
Sussex Fred S.
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