Rooftop air conditioner conversion unit

Details Rooftop air conditioner conversion unit Rooftop air conditioner conversion unit

1982-06-28

1984-11-20

Bennett, Henry

Refrigeration

Structural installation

62DIG16, F25D 2312

Patent

active

044831552

ABSTRACT:
A plenum unit (10) for adapting roof construction for a prior rooftop air conditioning unit for use with a new air conditioning unit (12) is disclosed. A plenum (20) mounts on curbing (14) of the prior air conditioning unit. A partition (26) separates a supply chamber (22) from a return chamber (24), and an adaptor plate (28) is affixed to the plenum for mating the plenum unit with the new air conditioner unit. In one arrangement, the partition has a fixed portion and a movable portion to adjust for different size adaptor plate openings. Adaptor plates are interchangeable so that the plenum can be used with different types and sizes of new air conditioning units. In one arrangement, the ratio of intake air can be adjusted between return air from the return duct opening and fresh from the outside.

REFERENCES:
patent: 4016729 (1977-04-01), Cherry
patent: 4118083 (1978-10-01), Lackey et al.
patent: 4403481 (1983-09-01), Yoho, Jr.

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