FAN UNIT Russian patent published in 2017 - IPC F04D29/62 

FIELD: mechanisms.

SUBSTANCE: fan unit includes housing, accommodating impeller and electric motor, driving impeller to create air flow. Nozzle is installed on housing for air flow release. Nozzle determines opening, through which air outside fan unit is drawn by air, released from nozzle. For detachable nozzle retention on housing nozzle retention mechanism is used. Mechanism may displace from first configuration, when nozzle is retained on housing, into second configuration, where nozzle is disengaged for its removal from housing.

EFFECT: mechanism comprises press-on element to perform mechanism displacement from first configuration into second configuration.

25 cl, 19 dwg