Patent · US Expired

Ventilation device for a space zone

US5690165A · kind A · utility

7Cited by
11References
34Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 27, 1995
Grant dateNov 25, 1997
Priority date
Expiry dateJul 27, 2015

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF24F13/06
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a ventilation device. Provision is made that the air propulsion plant (20) conveys at least a portion of the air in an air circulating mode by means of at least one variable volume chamber (6) in a pulsating manner at a very low frequency, with the chamber being connected to the room (2) by at least one air passage (21).

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