(19)
(11) EP 0 866 181 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
03.02.1999 Bulletin 1999/05

(43) Date of publication A2:
23.09.1998 Bulletin 1998/39

(21) Application number: 98200613.2

(22) Date of filing: 26.02.1998
(51) International Patent Classification (IPC)6: E03D 1/14, E03D 9/03
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 18.03.1997 IT MI970622

(71) Applicant: Schena, Gian Paolo
I-20048 Carate Brianza, Milan (IT)

(72) Inventor:
  • Schena, Gian Paolo
    I-20048 Carate Brianza, Milan (IT)

(74) Representative: Zanardo, Giovanni et al
Ing. Barzanò & Zanardo Milano S.p.A., Via Borgonuovo 10
20121 Milan
20121 Milan (IT)

   


(54) Water-closet flushing cistern


(57) To improve bowl cleaning and hygiene while substantially reducing water consumption, the cistern (1) comprises a hydraulic device (7) for causing early closure of the valving element (5), and an additive dispensing device (6) in which the operation of the two devices can be combined to obtain the following four flushing methods:
  • using all the water contained in the container (2) of the cistern (1) plus an additive;
  • using all the water contained in the container (2) of the cistern (1) but without the addition of an additive;
  • using only a part the water contained in the container (2) of the cistern (1) plus an additive;
  • using only a part of the water contained in the container (2) of the cistern (1) but without the addition of an additive.

All the flushing methods can also be operated remotely.






Search report