Serpentine heat exchanger
This patent describes a furnace having a burner means for providing hot products of combustion, and an air flow means for circulating conditioned air, a heat exchanger for transferring heat from products of combustion to conditioned air. The heat exchanger comprises first and second matched clamshell plates assembled together. The plates connected at their respective edges by a sealing means for providing a seal thereat, each the plate having an internal surface defining a depression. The depressions together defining a serpentine passageway, an entrance and exhaust ported formed in the passageway. The surfaces including elongated ribs for obstructing fluid flow adjacent the exhaust portal and for directing fluid flow to under-utilized portions in the passageway.
- Assignee:
- Inter-City Products Corp., Lavergne, TN (USA)
- Patent Number(s):
- US 4982785; A
- Application Number:
- PPN: US 7-489461
- OSTI ID:
- 5774381
- Resource Relation:
- Patent File Date: 6 Mar 1990
- Country of Publication:
- United States
- Language:
- English
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