Patents Assigned to Grenfil S.r.l.
  • Patent number: 5197294
    Abstract: A miniaturized apparatus for air conditioning comprising an assembly made up of a Peltier effect thermoelectric device, in the form of bimetallic or plurimetallic plates connected to a low voltage D.C. power supply, the opposed cold and hot surface of which are in contact with respective heat exchangers, said assembly being contained in a housing in which two distinct and separate conduits are provided for the forced flow of air through the respective ones of said heat exchangers.
    Type: Grant
    Filed: September 7, 1990
    Date of Patent: March 30, 1993
    Assignees: Comitato Nazionale per la Ricerca e per Lo Sviluppo dell'Energia Nucleare e delle Energie Alternative, Grenfil S.r.l.
    Inventors: Dino Galvan, Gianfranco Marcoaldi, Pierluigi Gemmiti, Paolo Amadesi
  • Patent number: 5063924
    Abstract: A portable device allowing the rapid aiding of individuals suffering from difficulty in breathing, movement and communication, in a situation of environmental risk in the form of toxic and contaminating agents, said device comprising a wrapping of flexible material impermeable to gas, vapor, fumes, aerosol and dusts, a window in said wrapping, hermetically closed by a flexible transparent material for the visualization of the inside thereof, a box-shaped body in fluid communication with an extremity of said wrapping and carrying a system for the filtering, feeding and pressurization of the air, and at least one exhaust valve of the air in said wrapping.
    Type: Grant
    Filed: September 7, 1990
    Date of Patent: November 12, 1991
    Assignees: Comitato Nazionale per la Ricerca e per lo Sviluppo dell'Energia Nucleare e delle Energie Alternative, Grenfil S.r.l.
    Inventors: Dino Galvan, Gianfranco Marcoaldi, Elvio Antolini, Sabatino DeMeo