Single stage, axial symmetric blower and portable ventilator

A blower, comprising:

• a housing including a proximal opening and a distal opening, the proximal opening and distal opening being co-axially aligned;
• a stator component provided to the housing;
• an impeller positioned between the proximal opening of the housing and the stator component, the impeller including a plurality of impeller blades;
• and
• a motor adapted to drive the impeller,
• wherein the stator component includes a plurality of air directing grooves along an exterior surface thereof configured and arranged to collect and divide air from the impeller, each of the air directing grooves including an inlet portion providing a leading edge extending tangentially outwards from outer tips of the impeller blades, the inlet portion of each of the air directing grooves configured to collect air exiting the impeller blades and direct the air from a generally tangential direction to a generally radial outward direction relative to the outer tips of the impeller blades, and each of the air directing grooves configured to subsequently direct the air from the inlet portion along a curved path to an outlet portion extending from the inlet portion of each of the air directing grooves, the outlet portion of each of the air directing grooves extending in a generally axial direction towards the distal opening, so that airflow becomes substantially laminar,
• wherein each of the air directing grooves includes a cross-sectional area that is substantially constant along an entire length of each of the air directing grooves from the inlet portion to the outlet portion,
• wherein a depth of each of the air directing grooves increases or deepens as it extends along the entire length from the inlet portion towards the outlet portion, and
• wherein a width of each of the air directing grooves decreases or narrows as it extends along the entire length from the inlet portion towards the outlet portion.