(19)
(11)EP 2 620 620 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
26.07.2017 Bulletin 2017/30

(43)Date of publication A2:
31.07.2013 Bulletin 2013/31

(21)Application number: 12199844.7

(22)Date of filing:  31.12.2012
(51)Int. Cl.: 
F02C 7/232  (2006.01)
F02C 9/26  (2006.01)
F02M 61/18  (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: 25.01.2012 US 201213357803

(71)Applicant: Hamilton Sundstrand Corporation
Windsor Locks, CT 06096-1010 (US)

(72)Inventor:
  • Paradise, Bruce
    Avon, CT Connecticut 06001 (US)

(74)Representative: Taylor, Adam David et al
Dehns St Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

  


(54)Fluid flow control device and method


(57) A fluid flow control system (10) includes a fluid inlet (14), a central chamber (16), a first nozzle (18) extending from a first side of the central chamber and comprising a first throat (42), a second nozzle (20) extending from a second side of the central chamber opposite the first side and comprising a second throat (60), and a flow control shuttle (22). The flow control shuttle includes a first needle (48) having a first tapered portion (50) positioned within the first throat (42) for controlling flow through the first nozzle (18) and a second needle (54) having a second tapered portion (56) positioned within the second throat (60) for controlling flow through the second nozzle (20).