(19)
(11) EP 2 500 639 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
20.08.2014 Bulletin 2014/34

(43) Date of publication A2:
19.09.2012 Bulletin 2012/38

(21) Application number: 12160117.3

(22) Date of filing: 19.03.2012
(51) International Patent Classification (IPC): 
F21V 23/04(2006.01)
G08B 17/10(2006.01)
F21V 7/00(2006.01)
F21Y 101/02(2006.01)
 F21V 33/00(2006.01)
F21S 8/02(2006.01)
G08B 17/00(2006.01)
F21V 21/04(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 17.03.2011 GB 201104559

(71) Applicants:
  • DDC Limited
    London, Greater London SE20 7UU (GB)
  • Walters, Simon Edward
    Tunbridge Wells, kent TN1 2LH (GB)

(72) Inventor:
  • Walters, Simon Edward
    Tunbridge Wells, Kent TN1 2LH (GB)

(74) Representative: Hall, Matthew Benjamin 
Dehns St. Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

   


(54) Recessed smoke or heat detector


(57) A recessed smoke and/or heat detector (1) for mounting in a ceiling panel (7) is disclosed. The disclosed detector comprises a detection sensor that is mounted within a housing (2), the housing being configured to be pushed through a hole cut in a ceiling panel to project into a ceiling void above. The housing is open at its lower end (3) to allow smoke and/or heat from a room below to reach the detection sensor in use. The recessed detector comprises a reflector that extends from the lower end of the housing towards an upper end (4), the reflector having an internal, light-reflecting surface (17) that converges from an open, lower end (16) towards a top of the reflector (19). The detection sensor and a light source (22), which is configured to produce emergency lighting to the room below, are positioned within a space defined by the internal surface of the reflector. An audible alarm device for emitting an alarm warning sound in the event that a fire is detected may also be positioned within the reflector.







Search report









Search report