Abstract: A ventilator for supplying breathable gas to a patient includes an external housing; an internal housing suspended within; a gas flow generator within said internal housing; a gas inlet conduit extending between a first gas inlet opening in said external housing and a second gas inlet opening in said internal housing, and a gas outlet conduit extending from a first gas outlet opening in the internal housing via a second gas outlet opening in the external housing and to a patient interface means adapted for introducing the breathable gas into the airway of said patient. One or both of the gas inlet and outlet conduits exhibit a first substantially rigid conduit section and a second membrane conduit section with a membrane wall portion separating a volume of breathable gas within the gas inlet conduit and/or gas outlet conduit from a volume of ambient air within the external housing.

Abstract: A ventilator for supplying breathable gas to the airway of a patient with a respiratory disorder is provided herein an, in one embodiment, includes a gas flow generator for generating a flow of said breathable gas to the patient, said gas flow generator comprising a gas flow generator chamber provided with a gas inlet opening and a gas outlet opening; a control valve for controlling the flow and/or pressure of the gas distributed to the patient, said control valve comprising a valve body which is rotatably arranged about a rotational axis within a valve chamber. The valve body essentially exhibits the shape of a sector of a circle, in such a way that an arced first flow regulatory surface is formed along the circular arc of said sector, and that second and third essentially straight flow regulatory surfaces, respectively, are formed along the two diverging sides of said sector.

Abstract: A ventilator for supplying breathable gas to the airway of a patient with a respiratory disorder, comprising: a gas flow generator, such as an electric fan, for generating a flow of said breathable gas to the patient, said gas flow generator comprising a gas flow generator chamber provided with a gas inlet opening and a gas outlet opening; a control valve for controlling the flow and/or pressure of the gas distributed to the patient, said control valve comprising a valve body which is movably arranged within a valve chamber, wherein said gas flow generator chamber and said valve chamber are integrally formed in a combined gas flow generator & control valve housing; said valve chamber is located in immediate conjunction to the gas outlet opening of the gas flow generator chamber within said combined gas flow generator & valve housing; and said valve body comprise transitions portions for providing smooth pressure and/or flow transitions during transitions between closed and open positions of said contr