Multi-mode damper for an A-shaped heat exchanger

Details Multi-mode damper for an A-shaped heat exchanger Multi-mode damper for an A-shaped heat exchanger

2006-01-17

2006-01-17

Walberg, Teresa J. (Department: 3753)

Heat exchange

With timer, programmer, time delay, or condition responsive...

Having heating and cooling capability

C165S097000, C165S103000

Reexamination Certificate

active

06986387

ABSTRACT:
A temperature conditioning system includes a damper system that determines the pattern of airflow through two coil slabs of an indoor heat exchanger, wherein the heat exchanger is preferably part of a split-system air conditioner or a heat pump. In a normal mode position, the damper system directs the airflow in a parallel flow relationship through the two coil slabs for optimum capacity and efficiency. In an enhanced mode position, the damper system directs the airflow in a series flow relationship through the two coil slabs. The enhanced mode position not only helps reduce humidity when the temperature conditioning system operates in a cooling mode but also helps raise the supply air temperature at a room register when the system is operating in a heating mode. In some embodiments, the damper system is also movable to a bypass position that allows the air to bypass the indoor heat exchanger.

REFERENCES:
patent: 2205117 (1940-06-01), Chambers
patent: 3308805 (1967-03-01), Stockli
patent: 3332475 (1967-07-01), Selhost et al.
patent: 5533357 (1996-07-01), Voorhis
patent: 5816066 (1998-10-01), Aoki et al.
patent: 6739388 (2004-05-01), Nakagawa et al.
patent: 60-255522 (1985-12-01), None
patent: 6-40238 (1994-02-01), None

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