Patent ID: 11920778
Assignee: DELTA ELECTRONICS, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A ventilation fan, comprising:
a housing having a bottom opening, and a fan module;
a grille support configured to be mounted under a ceiling and spatially corresponding to the bottom opening;
a grille opening corresponding to the bottom opening;
a base including a holder with a holding opening facing away from the housing;
a plurality of connecting columns provided between the grille support and the base, so that an inlet facing a radial direction is formed between the grille support and the base;
a resilient element extending from the grille support or the base, and configured to engage the housing; and
a function module detachably disposed within the holder through the holding opening, wherein the function module is spatially separated from an airflow generated by the fan module.