Combined air exchange and air conditioning unit

Details Combined air exchange and air conditioning unit Combined air exchange and air conditioning unit

1997-06-04

2000-03-21

Bennett, Henry

Refrigeration

Reversible, i.e., heat pump

External fluid flow reversed

62404, 62407, 62408, 62409, 62428, F25B 2900

Patent

active

06038879&

ABSTRACT:
The combined air exchange and air conditioning unit is used for conditioning air from a conditioned space. The unit comprises an exhaust air chamber, a return air chamber, a supply air chamber, and a fresh air chamber. A supply blower is used for drawing air from inside the supply air chamber to the outside and an exhaust blower is used for drawing air from inside the exhaust air chamber. A central plate damper is provided for regulating air transfers between the chambers. The damper plate is movable within a position range defined between two extreme positions, the first position allowing a connection of the return air chamber with the supply air chamber and a connection of the fresh air chamber with the exhaust air chamber, the second extreme position allowing a connection of the return air chamber with the exhaust air chamber and a connection of the fresh air chamber with the supply air chamber. The unit is further provided with a heat pump for reversibly transferring heat between air to be drawn by the exhaust blower means, and air to be drawn by the supply blower means. The unit combines an air exchange device and an air conditioning device in a very compact housing.

REFERENCES:
patent: 3995446 (1976-12-01), Eubank
patent: 4071080 (1978-01-01), Bridgers
patent: 4347712 (1982-09-01), Benton
patent: 4655278 (1987-04-01), Seguin
patent: 4887438 (1989-12-01), Meckler
patent: 5179998 (1993-01-01), Des Champs
patent: 5816066 (1998-10-01), Aoki et al.
patent: 5901572 (1999-05-01), Peiffer et al.

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