(19)
(11) EP 0 287 350 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
18.01.1989 Bulletin 1989/03

(43) Date of publication A2:
19.10.1988 Bulletin 1988/42

(21) Application number: 88303325.0

(22) Date of filing: 13.04.1988
(51) International Patent Classification (IPC)4: E03F 1/00
(84) Designated Contracting States:
DE ES FR GB NL

(30) Priority: 13.04.1987 NO 871539

(71) Applicant: JETS SYSTEMER A/S
N-6080 Gurskoy (NO)

(72) Inventor:
  • Hofseth, Olav
    N-6065 Ulsteinvik (NO)

(74) Representative: Allen, Oliver John Richard et al
Lloyd Wise, Tregear & Co., Commonwealth House, 1-19 New Oxford Street
London WC1A 1LW
London WC1A 1LW (GB)


(56) References cited: : 
   
       


    (54) Vacuum sewage collecting system


    (57) A vacuum sewage collecting system, comprises a vacuum tank (1) which through a supply pipe (6) is connected to toilets, drainage tanks for urinals, greywater etc., and a vacuum pump (4) which through a suction pipe (7) provides the vacuum in the vacuum tank (1). By means of an air and liquid permeable dividing plate or wall (10) the vacuum tank (1) is divided into two chambers, a first chamber (8) on to which the supply pipe (6) is connected and a second chamber (9) on to which the suction pipe (7) is connected. A macera­tor or grinder (3) is disposed in connection with the first chamber (8), to grind solid particles and transport these together with the liquid (sewage) which is present in the first chamber (8) to the second chamber (9) through a connecting pipe (11). Further, the vacuum in the vacuum tank (1) is generated by means of a vacuum pump (4) which is adapted to pump the liquid as well as the grounded, solid particles from the tank (4) to a storage tank or the like.







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