(19)
(11) EP 0 794 386 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
20.01.1999 Bulletin 1999/03

(43) Date of publication A2:
10.09.1997 Bulletin 1997/37

(21) Application number: 97660020.5

(22) Date of filing: 04.03.1997
(51) International Patent Classification (IPC)6: F23L 13/02, F24F 13/14
(84) Designated Contracting States:
DE ES FR GB SE

(30) Priority: 04.03.1996 FI 960141 U

(71) Applicant: SAMMET DAMPERS OY
41310 Leppävesi (FI)

(72) Inventor:
  • Junkkarinen, Pekka
    41330 Vihtavuori (FI)

(74) Representative: Helke, Kimmo Kalervo 
Kespat Oy, P.O. Box 601
40101 Jyväskylä
40101 Jyväskylä (FI)

   


(54) A damper for gases


(57) The object of the invention is a damper for gases, which includes a frame (1) with sealing edges (9) forming a duct section and inside it a hatch part (4) rotating on an axle (11), as well as a rotation device for rotating the axle (11) and with it the hatch part (4) tightly against the sealing edges of the frame. The penetration of the fame (1) by axle (11) of the hatch part (4) consists of a flexible cylindrical element (7) locked to the frame and a concentric counter sleeve (8) in the hatch part (4) fitted tightly to it. The sealing edges (9) of the frame extend to the flexible cylindrical element (7).






Search report