Aroma diffuser

Details Aroma diffuser Aroma diffuser

1998-07-01

2000-04-25

Simmons, David A.

Gas and liquid contact apparatus

Fluid distribution

Pumping

261104, 261DIG17, 261DIG65, 422124, B01F 304

Patent

active

060534834

ABSTRACT:
An aroma diffuser includes a housing with front and rear housing parts, a circuit-mounting frame and a fan unit. The front housing part has an upper portion formed with an air outlet. The lower portion of a rear wall of the rear housing part has a carrier that extends transversely into the housing and that supports an aromatic preparation thereon. The circuit-mounting frame is disposed inside the housing and is mounted on the upper portion of the rear wall. The fan unit includes a tubular collecting wall mounted on the circuit-mounting frame and disposed above the carrier. The tubular collecting wall has upper and lower wall portions. The upper wall portion has a front side formed with a radial air flow outlet that is registered with the air outlet of the front housing part. The lower wall portion has a fan device mounted therein and controlled by a control circuit on the circuit-mounting frame so as to draw aroma of the aromatic preparation on the carrier into the tubular collecting wall and so as to blow the aroma inside the tubular collecting wall out of the air outlet of the housing via the radial air flow outlet.

REFERENCES:
patent: 4830791 (1989-05-01), Muderlak et al.
patent: 4840770 (1989-06-01), Walz et al.
patent: 4931258 (1990-06-01), Zlotnik et al.
patent: 5223182 (1993-06-01), Steiner et al.
patent: 5431885 (1995-07-01), Zlotnik et al.

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