1
Christopher T J Sheaf, Zahid M Hussain: Boundary layer energiser. Rolls-Royce, Oliff & Berridge, January 8, 2013: US08348199 (3 worldwide citation)

A boundary layer energizer (20) for energizing a boundary layer flow (33) over a surface (22), the boundary layer energizer (20) comprising one or more passages (24) terminating in one or more respective holes (26) provided on the surface (22), wherein the one or more passages (24) comprises at leas ...


2
Christopher T J Sheaf, Zahid M Hussain: Breather duct shielding. Rolls-Royce, Oliff & Berridge, November 5, 2013: US08572984 (1 worldwide citation)

A gas turbine engine comprising a nacelle and a breather duct. The breather duct provides communication between a component of the engine within the nacelle and the exterior of the nacelle and opens at an exhaust port on the external surface of the nacelle. There is a clean air outlet slot located d ...


3
Christopher T J Sheaf, Zahid M Hussain: Boundary layer energiser. Rolls-Royce, Oliff, March 3, 2015: US08967964

A boundary layer energizer (20) for energizing a boundary layer flow over a surface (22), the boundary layer energizer (20) comprising a plurality of passages (24), each passage terminating in a respective hole (26) provided on the surface (22), the holes being arranged in a cluster (23) on the surf ...


4
Christopher T J Sheaf, Zahid M Hussain: Breather duct shielding. Rolls-Royce, Oliff, February 25, 2014: US08657569

A gas turbine engine comprising a nacelle and a breather duct. The breather duct provides communication between a component of the engine within the nacelle and the exterior of the nacelle and opens at an exhaust port on the external surface of the nacelle. There is at least one clean air outlet bou ...


5
Zahid M Hussain, Christopher T J Sheaf, Brian A Handley: Fluid transfer arrangement. Rolls-Royce, Oliff, September 30, 2014: US08845273

A fluid transfer arrangement comprising a duct having a first end and a second end, a pulse generation mechanism located at the first end of the duct to direct fluid pulses towards the second end of the duct in use, and a baffle located at the second end of the duct that defines an aperture having s ...


6
Zahid M Hussain, Christopher T J Sheaf, Andrew J Mullender, David MacManus, Brian A Handley: Fluid impingement arrangement. Rolls-Royce, Oliff, January 26, 2016: US09243513

A fluid impingement arrangement comprising a supply manifold and at least one nozzle exit coupled to the supply manifold. The nozzle exit is arranged as a Coanda surface having a restriction and has at least one static pressure tapping that cross-connects two regions of the restriction to induce pas ...


7
Christopher T J SHEAF, Zahid M HUSSAIN: Breather duct shielding. Rolls-Royce, May 5, 2011: US20110103941-A1

A gas turbine engine comprising a nacelle and a breather duct. The breather duct provides communication between a component of the engine within the nacelle and the exterior of the nacelle and opens at an exhaust port on the external surface of the nacelle. There is at least one clean air outlet bou ...


8
Christopher T J SHEAF, Zahid M Hussain: Boundary layer energiser. Rolls-Royce, May 5, 2011: US20110103969-A1

A boundary layer energiser (20) for energising a boundary layer flow over a surface (22), the boundary layer energiser (20) comprising a plurality of passages (24), each passage terminating in a respective hole (26) provided on the surface (22), the holes being arranged in a cluster (23) on the surf ...


9
Christopher T J SHEAF, Zahid M Hussain: Boundary layer energiser. Rolls-Royce, May 5, 2011: US20110100475-A1

A boundary layer energiser (20) for energising a boundary layer flow (33) over a surface (22), the boundary layer energiser (20) comprising one or more passages (24) terminating in one or more respective holes (26) provided on the surface (22), wherein the one or more passages (24) comprises at leas ...



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