Gas forwarding apparatus for respiration and narcosis devices

A gas forwarding apparatus for respiration and narcosis devices, comprising a radial compressor and a drive apparatus which produces a magnetic rotary field, with the radial compressor comprising a housing within which a compressor wheel and a rotor which is connected thereto are arranged, with the drive apparatus being arranged outside the housing and with the drive apparatus and the rotor being designed to be mutually matched and arranged in such a manner that the rotor can be driven by the drive apparatus;

• wherein a step bearing which rotatably journals the compressor wheel and the rotor with respect to the housing is arranged within the housing.

A gas forwarding apparatus for respiration and narcosis devices, comprising a radial compressor and a drive apparatus which produces a magnetic rotary field, with the radial compressor comprising a housing within which a compressor wheel and a rotor which is connected thereto are arranged, with the drive apparatus being arranged outside the housing and with the drive apparatus and the rotor being designed to be mutually matched and arranged in such a manner that the rotor can be driven by the drive apparatus;

• wherein the motor stator together with the rotor is designed as a bearingless motor.

A gas forwarding apparatus for respiration and narcosis devices, comprising a radial compressor and a drive apparatus which produces a magnetic rotary field, with the radial compressor comprising a housing within which a compressor wheel and a rotor which is connected thereto are arranged, with the drive apparatus being arranged outside the housing and with the drive apparatus and the rotor being designed to be mutually matched and arranged in such a manner that the rotor can be driven by the drive apparatus;

• wherein the radial compressor and the drive apparatus are designed to be mutually separable;
• and wherein the radial compressor forms a unit which is separable from the drive apparatus and the drive apparatus drives the rotor contactlessly.

A gas forwarding apparatus for respiration and narcosis devices, comprising a radial compressor and a drive apparatus which produces a magnetic rotary field, with the radial compressor comprising a housing within which a compressor wheel and a rotor which is connected thereto are arranged, with the drive apparatus being arranged outside the housing and with the drive apparatus and the rotor being designed to be mutually matched and arranged in such a manner that the rotor can be driven by the drive apparatus;

• wherein the radial compressor has in the region of the gas outlet a valve, designed as a displaceable tongue, in order at least partly to interrupt the gas flow.

A gas forwarding apparatus for respiration and narcosis devices, comprising a radial compressor and a drive apparatus which produces a magnetic rotary field, with the radial compressor comprising a housing within which a compressor wheel and a rotor which is connected thereto are arranged, with the drive apparatus being arranged outside the housing and with the drive apparatus and the rotor being designed to be mutually matched and arranged in such a manner that the rotor can be driven by the drive apparatus;

• wherein the valve is pivotally journalled and is movably journalled about a center of rotation.

A gas forwarding apparatus for respiration and narcosis devices, comprising a radial compressor and a drive apparatus which produces a magnetic rotary field, with the radial compressor comprising a housing within which a compressor wheel and a rotor which is connected thereto are arranged, with the drive apparatus being arranged outside the housing and with the drive apparatus and the rotor being designed to be mutually matched and arranged in such a manner that the rotor can be driven by the drive apparatus;

• wherein the valve comprises a permanent magnet;
• and wherein a drive apparatus which is designed to be correspondingly matched is arranged outside the radial compressor in order to move the valve via the permanent magnet.

A gas forwarding apparatus for respiration and narcosis devices, comprising a radial compressor and a drive apparatus which produces a magnetic rotary field, with the radial compressor comprising a housing within which a compressor wheel and a rotor which is connected thereto are arranged, with the drive apparatus being arranged outside the housing and with the drive apparatus and the rotor being designed to be mutually matched and arranged in such a manner that the rotor can be driven by the drive apparatus;

• wherein a radial compressor has a first gas outlet and a second gas outlet.

A gas forwarding apparatus for respiration and narcosis devices, comprising a radial compressor and a drive apparatus which produces a magnetic rotary field, with the radial compressor comprising a housing within which a compressor wheel and a rotor which is connected thereto are arranged, with the drive apparatus being arranged outside the housing and with the drive apparatus and the rotor being designed to be mutually matched and arranged in such a manner that the rotor can be driven by the drive apparatus;

• wherein a valve is arranged within the housing and is designed and is controllable in such a manner that the forwarded fluid is conveyed to at least one of the first and the second gas outlets.

A gas forwarding apparatus for respiration and narcosis devices, comprising a radial compressor and a drive apparatus which produces a magnetic rotary field, with the radial compressor comprising a housing within which a compressor wheel and a rotor which is connected thereto are arranged, with the drive apparatus being arranged outside the housing and with the drive apparatus and the rotor being designed to be mutually matched and arranged in such a manner that the rotor can be driven by the drive apparatus;

• wherein the housing has an opening which is arranged ahead of the compressor wheel in the flow direction and through which a liquid can be introduced.

A gas forwarding apparatus for respiration and narcosis devices, comprising a radial compressor and a bypass, with the bypass forming a fluid conducting connection between the suction side and the compression side of the radial compressor.

A method for a gas forwarding apparatus, for respiration and narcosis devices comprising a radial compressor and a bypass, with the bypass forming a fluid conducting connection between the suction side and the compression side of the radial compressor;

• wherein the speed of rotation of at least one of the radial compressor and the setting of the valve is varied in order to vary at least one of the static and dynamic pressures of the forwarded fluid.

A gas forwarding apparatus for respiration and narcosis devices, comprising a radial compressor with a housing and comprising a compressor wheel which is arranged within the housing and a rotor which is arranged within the housing and which is connected to the compressor wheel, with the housing and the rotor being designed to be mutually matched with respect to a separate drive apparatus in such a manner that the rotor can be coupled to the drive apparatus and can be driven by the latter;

• wherein a bypass forms a fluid conducting connection between a suction side and a compression side of the radial compressor.

A gas forwarding apparatus for respiration and narcosis devices, comprising a radial compressor with a housing and comprising a compressor wheel which is arranged within the housing and a rotor which is arranged within the housing and which is connected to the compressor wheel, with the housing and the rotor being designed to be mutually matched with respect to a separate drive apparatus in such a manner that the rotor can be coupled to the drive apparatus and can be driven by the latter;

• wherein the gas conducting section which follows the compression side of the radial compressor consists of plastic and is formed section-wise of an elastic material.

A gas forwarding apparatus for respiration and narcosis devices, comprising a radial compressor with a housing and comprising a compressor wheel which is arranged within the housing and a rotor which is arranged within the housing and which is connected to the compressor wheel, with the housing and the rotor being designed to be mutually matched with respect to a separate drive apparatus in such a manner that the rotor can be coupled to the drive apparatus and can be driven by the latter;

• wherein at least the radial compressor is designed as a one way product or as a throw away product, respectively.

A blower part of a gas forwarding apparatus, for respiration and narcosis devices comprising a radial compressor with a housing and comprising a compressor wheel which is arranged within the housing and a rotor which is arranged within the housing and which is connected to the compressor wheel, with the housing and the rotor being designed to be mutually matched with respect to a separate drive apparatus in such a manner that the rotor can be coupled to the drive apparatus and can be driven by the latter, the blower part consisting of a blower housing and a blower rotor which comprises a compressor wheel and a magnetically active rotor part, wherein the blower rotor is mechanically journalled in at most three spatial degrees of freedom.