Patent ID: 11946434
Assignee: INNIO JENBACHER GMBH & CO OG
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC E  F

Claim 17:
18. A system, comprising:
a piston assembly, comprising:
a crown portion, comprising:
a crown;
an outer wall coupled to the crown, wherein the outer wall extends circumferentially about a central axis of the piston assembly;
a first inner wall disposed inside of the outer wall, wherein the first inner wall extends circumferentially about the central axis; and
a first fluid chamber disposed radially between the outer wall and the first inner wall, wherein the first fluid chamber extends circumferentially about the central axis, an opening extends into the first fluid chamber in an axial inward direction, and the opening extends circumferentially about the central axis; and

an angled wall insert disposed in the opening in the crown portion, wherein the angled wall insert extends circumferentially about the central axis, and the first fluid chamber is disposed axially between the crown and the angled wall insert;
wherein the angled wall insert comprises an angled annular plate, wherein the angled annular plate is oriented at an acute angle relative to the central axis; wherein the angled annular plate comprises a split at first and second circumferential end portions; wherein the first circumferential end portion comprises a first tool interface, the second circumferential end portion comprises a second tool interface, and the first and second tool interfaces are configured to engage with a tool to radially compress or expand the angled annular plate.