Patent
1990-07-16
1991-10-08
Joyce, Harold
F24F 706
Patent
active
050543806
ABSTRACT:
An external, air circulation booster which fits over a register of a forced air central air conditioning and heating system. The booster includes a housing having front, rear, side and top panels, and an air intake shroud formed on the bottom of the housing. The air intake shroud includes an air intake grill which fits over a portion of the outlet aperture of the register. An air discharge grill is formed on the front panel of the housing. A radial impellar is mounted in the side of the housing, and air radially expelled therefrom toward the side and rear of the housing is redirected by means of a baffle out the discharge grill.
REFERENCES:
patent: 1426900 (1922-08-01), Neal
patent: 3148613 (1964-09-01), Koon
patent: 4722266 (1988-02-01), Deckert
patent: 4809593 (1989-03-01), Asselbergs
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