Systems and methods for heat recovery

摘要

A filter unit heat exchanger is provided that may include a housing substantially surrounding a heat exchange assembly. Provided through the housing are one or more tortuous fluid flow paths used to direct airflow therethrough around portions of the heat exchange assembly for efficient operation. The tortuous path(s) may be provided by one or more nozzle openings on an input side of the housing and one or more diffuser openings on an output side of the housing, where the nozzle openings and diffuser openings are offset to cause desired airflow deflection. The filter unit may include desired symmetries to improve manufacturability and/or installation.

主权项

1. A filter unit comprising:
a housing including a cavity; a heat exchanger disposed substantially within said cavity; an entrance opening provided through said housing on an upstream side of said heat exchanger; a first angled fin associated with a first lateral edge of said entrance opening; a second angled fin spaced from said first angled fin, said second angled fin associated with a second lateral edge of said entrance opening; a third fin positioned between said first angled fin and said second angled fin; an exit opening provided through said housing on a downstream side of said heat exchanger, said downstream side being oppositely disposed of said upstream side; a first angled baffle associated with a first lateral edge of said exit opening; and a second angled baffle spaced from said first angled baffle, said second angled baffle associated with a second lateral edge of said exit opening.