(19)
(11) EP 0 486 913 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
23.12.1992 Bulletin 1992/52

(43) Date of publication A2:
27.05.1992 Bulletin 1992/22

(21) Application number: 91119154.2

(22) Date of filing: 11.11.1991
(51) International Patent Classification (IPC)5: F23N 1/00, F23N 5/06
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR LI LU NL SE

(30) Priority: 20.11.1990 IT 2214290

(71) Applicant: IMIT S.p.A.
I-28053 Castelletto Ticino (Novara) (IT)

(72) Inventor:
  • Zucco, Mario
    I-28053 Castelletto Sopra Ticino Novara (IT)

(74) Representative: Lecce, Giovanni 
UFFICIO BREVETTI CALCIATI S.r.l. via G. Negri,10
I-20123 Milano
I-20123 Milano (IT)


(56) References cited: : 
   
       


    (54) Improved thermostat with safety device


    (57) Improved thermostat comprising a magnetic valve (22), the associated excitation members (28) arranged coaxially with each other and an activation lever (36) which acts on the excitation member in accordance with a perpendicular incidence. The lever (36) has an elongated slot (52) opposite the coupling point with the operating shaft (40) and is equipped with hemispherical bosses (56) obtained on the opposed extended fronts of said slot.






    Search report