US 12,345,202 B2
Engine
Bernard Killingbeck, Norwich (GB)
Assigned to Tree Associates Ltd., Norwich (GB)
Appl. No. 18/711,182
Filed by Tree Associates Ltd., Norwich (GB)
PCT Filed Nov. 18, 2022, PCT No. PCT/GB2022/052936
§ 371(c)(1), (2) Date May 17, 2024,
PCT Pub. No. WO2023/089331, PCT Pub. Date May 25, 2023.
Claims priority of application No. 2116613 (GB), filed on Nov. 18, 2021.
Prior Publication US 2025/0012219 A1, Jan. 9, 2025
Int. Cl. F02C 7/141 (2006.01); F02C 1/10 (2006.01); F02C 6/18 (2006.01)
CPC F02C 7/141 (2013.01) [F02C 1/10 (2013.01); F02C 6/18 (2013.01); F05D 2220/76 (2013.01); F05D 2260/213 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An engine comprising a compressed gas source and a fluid circuit connected to an output of the compressed gas source such that compressed gas can be driven through the fluid circuit by the compressed gas source, the output of the compressed gas source being connected, through the fluid circuit, to a turbine component connected to a rotating shaft that acts as the output of the engine in use;
a heat exchanger for receiving fluid in the fluid circuit that has passed through the turbine component and arranged to reduce a temperature and pressure of the fluid;
wherein the turbine component comprises a boundary layer turbine comprising a plurality of axially aligned discs, and
wherein each disc comprises an outlet vent arranged towards a centre of the disc,
wherein at least one disc of the plurality of discs comprises a plurality of grooves radially arranged around an edge of the disc for directing fluid to spiral towards the centre of the disc.