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

FIELD: engines and pumps.

SUBSTANCE: proposed chamber comprises mixing head, inner shaped shell with cooling path ribs made at outer surface of the latter, outer shaped shell fitted at inner one and secured therewith by crests of said ribs. Note here that said shells and ribs make cooling channels. Hollow webs connecting ribs crests are arranged between cooling path ribs. Outer shape of said webs corresponds to shape of cooling path. Said webs are arranged to interconnect 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. Adjacent webs are offset relative to each other by cooling channel width, web width being equal to cooling channel width at location of said webs. Sets of ribs includes three ribs.

EFFECT: higher reliability.

2 cl, 3 dwg