Patent ID: 11933295
Assignee: GENERAL ELECTRIC COMPANY
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 5:
6. An apparatus to pump fluid comprising:
at least one bearing including a uniform inner diameter;
a shaft including a first portion, a second portion, and a third portion at least partially positioned within the uniform inner diameter of the at least one bearing, the second portion positioned between the first portion and the third portion, the first portion and the third portion including a first thickness, the second portion including a second thickness smaller than the first thickness; and
a rotating element extending radially outward from the second portion of the shaft,
wherein the second portion of the shaft defines an interface between the shaft and the rotating element, wherein the interface defines an angular displacement of less than 90 degrees between the rotating element and the second portion of the shaft.