(19)
(11) EP 2 578 360 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
31.07.2013 Bulletin 2013/31

(43) Date of publication A2:
10.04.2013 Bulletin 2013/15

(21) Application number: 12185898.9

(22) Date of filing: 25.09.2012
(51) International Patent Classification (IPC): 
B24B 55/02(2006.01)
 B24B 55/03(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: 06.10.2011 GB 201117243

(71) Applicant: Rolls-Royce plc
London SW1E 6AT (GB)

(72) Inventors:
  • Zaruba, Zdenek
    Orpington, Kent BR5 2QG (GB)
  • Knotts, Christopher
    Glasgow, G77 6UQ (GB)

(74) Representative: Roberts, Nicholas John et al
Rolls-Royce plc Intellectual Property SinB-38, P.O. Box 31
Derby Derbyshire DE24 8BJ
Derby Derbyshire DE24 8BJ (GB)

   


(54) Grinding apparatus with a slot nozzle


(57) Apparatus for high speed grinding comprises a grinding wheel having a circumferential grinding surface, a machine for mounting and rotating the grinding wheel about the axis, a coolant supply system including a slot nozzle arranged to direct coolant fluid secantly to the grinding surface, the slot nozzle having an exit with an elongate axis and a short axis wherein the elongate axis is tilted relative to the axis of the grinding wheel.










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