Patent · US Expired

Room air circulating apparatus

US4738188A · kind A · utility

12Cited by
8References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 12, 1986
Grant dateApr 19, 1988
Priority date
Expiry dateNov 12, 2006

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF24F11/0001
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

By joint employment with a package air conditioner presently widely used or various types of stoves, room air can largely circulate without being stagnant near floor or ceiling then present little temperature variation among different parts of a room with pleasant and highly healthy environment zone created and energy saving realized.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.