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US 10,946,149 B2Granted
Apparatus for supplying a breathing gas
AssigneeResMed Pty Ltd
InventorsDieter Heidmann, Klaus Henry Schindhelm, Knut Jöchle
Life of this patent
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Abstract
An apparatus for supplying a breathing gas at a pressure level that at least in some phases is above ambient pressure includes a blower device including an impeller and a housing device to receive the impeller. A suspension device is structured to support the blower device. The suspension device includes a variable suspension characteristic.
Claims12
A CPAP apparatus for supplying a breathing gas at a pressure level that at least in some phases is above ambient pressure to a patient for therapy, the CPAP apparatus comprising:
- a blower device including an electric motor, an impeller driven by the electric motor, and a blower housing to receive the electric motor and the impeller, the blower device configured to generate a supply of pressurized gas;
- a housing element forming a blower receiving chamber;
- and
- an air spring system configured and arranged to elastically and resiliently support the blower device within the blower receiving chamber of the housing element,
- wherein the air spring system includes a plurality of elastic support chambers, each of the plurality of elastic support chambers including an expansion fold portion that allows relative movement between the blower device and the housing element.
2 more elements
Dependencies are inferred from the claim text.