Patents Assigned to Societe d'Etude et de Recherche en Ventilation et Aeraulique S.E.R.V.A.
  • Blower terminal for a building ventilation system
    Patent number: 5176569
    Abstract: A terminal for a building ventilation system has, in combination, a throt nozzle located at the downstream end of an air inlet duct and a curved surface located in the room near the outlet of the duct such as to present its curved surface to the air stream and to be located outside the extension of the opening of the regulating nozzle.
    Type: Grant
    Filed: April 24, 1991
    Date of Patent: January 5, 1993
    Assignee: Societe d'Etude et de Recherche en Ventilation et Aeraulique S.E.R.V.A.
    Inventors: Pierre Jardinier, Jacques Simonnot
  • Control device for a system regulating the ventilation flow of a controlled-atmosphere room, and functioning cycles thereof
    Patent number: 5143287
    Abstract: The invention relates to a control device for a system for regulating the ntilation of a controlled-atmosphere room. The system has at least one sensor located in the room to pick up desired information such as temperature, humidity, carbon dioxide level, or other similar levels, or occupancy or nonoccupancy of the room. A valve, of the deformable bladder type, is located in the ventilation duct of the room and the system is controlled by the control pressure of the valve as a function of information picked up by the sensor.
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: September 1, 1992
    Assignee: Societe d'Etude et de Recherche en Ventilation et Aeraulique S.E.R.V.A.
    Inventor: Pierre Jardinier