Compact low noise efficient blower for CPAP devices

Details Compact low noise efficient blower for CPAP devices Compact low noise efficient blower for CPAP devices

2011-01-11

2011-01-11

Nguyen, Ninh H (Department: 3745)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural rigidly related blade sets

C415S211200, C415S206000

Reexamination Certificate

active

07866944

ABSTRACT:
A blower for providing a supply of air at positive pressure in the range of approximately 2 cm H2O to 30 cm H2O includes a motor, at least one impeller, and a stationary component. The stationary component includes an inlet and an outlet. The motor, the impeller, the inlet and outlet are co-axial.

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