Recirculating heating system
Patent
·
OSTI ID:5621608
A motor vehicle having a rear or mid-mounted engine and a heating system is described comprising: an engine cooling air blower for directing cool air drawn from outside the vehicle through passages in the engine, duct or conduit means for directing the cooling air to heat exchanger means to be warmed by indirect heat exchange with hot engine exhaust gas, means for conducting the warmed air from the exchanger means to the passenger compartment, an air blower driven by an electric motor, for drawing air through passageways from the passenger compartment and discharging it into channel means connected at one end to the driven air blower and at the other end to inlets of the heat exchanger means, and plug means provided at the hose connections at the exits of the channel means.
- Assignee:
- NOV; NOV-88-093478; EDB-88-038466
- Patent Number(s):
- US 4709855
- OSTI ID:
- 5621608
- Country of Publication:
- United States
- Language:
- English
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