Patent ID: 11939987
Assignee: nan
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A system for converting a ceiling fan having blades into an air cleaning and air freshening device, the system comprising:
a set of sheaths for substantially covering the blades of the ceiling fan with each said sheath in the set of sheaths substantially covering a blade of the blades of the ceiling fan,
each said sheath being shaped generally as a tube with an elastic open end that stretches for mounting the sheath on the blade and that shrinks for conforming in shape to the blade after mounting,
each said sheath being made of continuous stretchable material capable of conforming in shape to the blade, wherein the stretchable material is electrostatically treated,
the stretchable material of each said sheath being capable of attracting and capturing particulate matter from air, and
the stretchable material being scented for freshening the air.