US 12,234,019 B2
Cabin blower system
Christopher A Murray, Nottingham (GB)
Assigned to Rolls-Royce plc
Filed by ROLLS-ROYCE plc, London (GB)
Filed on Oct. 12, 2022, as Appl. No. 18/045,857.
Claims priority of application No. 2115352 (GB), filed on Oct. 26, 2021.
Prior Publication US 2023/0132101 A1, Apr. 27, 2023
Int. Cl. B64D 13/06 (2006.01); F02C 7/32 (2006.01); F02C 7/36 (2006.01)
CPC B64D 13/06 (2013.01) [F02C 7/32 (2013.01); F02C 7/36 (2013.01); B64D 2013/0648 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A cabin blower system, for an aircraft, comprising:
a cabin blower compressor, for compressing air for delivery to a cabin of an aircraft, comprising a compressor drive shaft running on a contactless bearing system; and
a continuously variable transmission comprising an input and an output, the input being arranged to receive power from an engine of the aircraft and the output being arranged to mechanically drive the cabin blower compressor,
wherein the output of the transmission is mechanically coupled with the compressor drive shaft via a flexible drive coupling, the flexible drive coupling disposed between the compressor drive shaft of the cabin blower compressor and the output of the continuously variable transmission.