Patent ID: 9617968
Date: 2017-04-11
CPC Classifications: F03B,F05B,Y02E,Y02P

Claim:
1. A hydraulic machine comprising: a blade wheel including a plurality of blades; a spiral housing enclosing the blade wheel and being open towards the blade wheel by a circumferential slit formed by two circumferential edges; a traverse ring having two traverse ring decks connected to each other by tie rods, wherein the spiral housing is made of segments which abut one another and are welded together, ends of the segments standing on a respective one of the two traverse ring decks and are welded to said deck; a stiffening element protruding into the spiral housing is provided at an abutment point between two of the segments that are adjacent to one another and the respective one of the two traverse ring decks; wherein the stiffening element protrudes into the spiral housing without influencing a flow of a medium in the spiral housing, and wherein the stiffening element is formed as a retracted corner.