Fan and air conditioner

Details Fan and air conditioner Fan and air conditioner

2005-09-06

2008-12-09

Jones, Melvin (Department: 3744)

Refrigeration

Gas controller or director

Cooled gas directed relative to cooled enclosure

C062S414000

Reexamination Certificate

active

07461518

ABSTRACT:
An air conditioner includes a centrifugal fan and a unit casing that houses the centrifugal fan. The centrifugal fan includes an impeller and a scroll casing that houses the impeller. The unit casing has a unit intake port that opens in a direction crossing an opening direction of a scroll intake port. At a circumferential portion of the scroll intake port of the scroll casing, there is formed a bulged portion with an inner surface that is formed evenly in a circumferential direction and an outer surface portion formed away from the unit intake port that bulges out to a side opposite the impeller.

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