LIQUID PROPELLANT ROCKET ENGINE CIRCULAR CHAMBER Russian patent published in 2015 - IPC F02K9/64 

FIELD: engines and pumps.

SUBSTANCE: chamber comprises circular mixing head, circular regenerative cooling combustion chamber with dish-like nozzle of external divergence and shaped central body. Shaped inner and outer shells are interconnected over cooling path ribs. Hollow webs connecting ribs crests are arranged between cooling path ribs. Outer shape of said webs corresponds to shape of cooling path. Said webs connect the sets of ribs. Channel is arranged between said sets of ribs, on their every side, set width being equal to cooling channel width at location of said web. Note here that adjacent webs are shifted relative to each other by cooling channel width at their location. Width of said webs equals that of cooling channel at the location of webs. Sets of ribs includes three ribs.

EFFECT: higher reliability.

2 cl, 3 dwg