(19)
(11) EP 0 472 276 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
04.03.1992 Bulletin 1992/10

(43) Date of publication A2:
26.02.1992 Bulletin 1992/09

(21) Application number: 91306042.2

(22) Date of filing: 03.07.1991
(51) International Patent Classification (IPC)5: F24D 17/00
(84) Designated Contracting States:
BE CH DE ES FR GB IT LI NL

(30) Priority: 27.07.1990 GB 9016547

(71) Applicant: EA TECHNOLOGY LIMITED
Capenhurst, Chester CH1 6ES (GB)

(72) Inventors:
  • Stephen, Frank Reid
    Wirral, Merseyside L63 0HD (GB)
  • Braham, George Derrick
    Crawley, West Sussex RH11 0JH (GB)

(74) Representative: Cross, Rupert Edward Blount et al
BOULT, WADE & TENNANT 27 Furnival Street
London EC4A 1PQ
London EC4A 1PQ (GB)


(56) References cited: : 
   
       


    (54) Hot loop water supply apparatus


    (57) A hot loop water supply apparatus comprises a heating vessel (1), an electric heater (5) to heat the water in the heating vessel, a hot water outlet (6) from near the top of the vessel, a hot water return inlet (7) to return hot water to near the bottom of the heating vessel, a hot water loop (9) interconnecting the hot water outlet and the hot water return inlet and arranged to feed hot water to single lever mixer taps (8) provided around the loop and recirculate hot water from the hot water outlet to the hot water return inlet, a thermostat (11) in the heating vessel controlling the electric heater and set at a predetermined temperature to maintain the water in the heating vessel and the hot water loop at a pasteurisation temperature, which is preferably above the maximum viable temperature of legionella bacteria.






    Search report