(19)
(11) EP 0 129 000 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
30.04.1986 Bulletin 1986/18

(43) Date of publication A2:
27.12.1984 Bulletin 1984/52

(21) Application number: 84101583

(22) Date of filing: 16.02.1984
(84) Designated Contracting States:
AT BE CH DE GB LI LU NL

(30) Priority: 20.06.1983 GB 8316716

(71) Applicants:
  • WATERLOO GRILLE CO. LTD.
     ()
  • WATERLOO B.V.
     ()

(72) Inventor:
  • Lyall, Alan Colin
     ()

   


(54) A diffuser


(57) A diffuserfor use with a ventilating system comprising an apertured plate having means defining a surface extending inwardly from one edge of the or each aperture in the plate. Air passing through the aperture becomes entrained against the surface and then, by virtue of the coander effect remains entrained against the surface in which the diffuser is mounted.







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