Automotive hot-water Heating apparatus

Details Automotive hot-water Heating apparatus Automotive hot-water Heating apparatus

1995-08-28

1996-10-22

Tapolcai, William E.

Heating systems

Heat and power plants

Vehicle

1375991, 165284, F24D 300

Patent

active

055668810

ABSTRACT:
According to the present invention, a hot water type heating apparatus includes a heat exchanger and a flow quantity control valve which controls a quantity of hot water to the heat exchanger. The flow quantity control valve includes a valve housing provided with a first inlet pipe to which the hot water flows, a first outlet pipe which returns hot water to an engine, a second outlet pipe which directs the hot water to the heat exchanger, a second inlet pipe to which the hot water from the heat exchanger flows and a bypass circuit which selectively connects the hot water from the first inlet pipe directly with the first outlet pipe, and a valve body for adjusting an opening area between the first inlet pipe and the second outlet pipe. The first inlet pipe and the first outlet pipe extend from a passenger compartment of a vehicle to an engine room thereof, thereby simplifying the work for connecting these pipes.

REFERENCES:
patent: 3813035 (1974-05-01), Wobig
patent: 4195777 (1980-04-01), Ikebukuro et al.
patent: 4209062 (1980-06-01), Woodhullk, Jr.
patent: 4432410 (1984-02-01), Cadars
patent: 4930540 (1990-06-01), Oddenino
patent: 5107893 (1992-04-01), Adkins

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