Patent Number: 8,876,469

Title: Centering device and system for driving ring

Abstract: A centering device includes a pivoting part configured to pivot around a first axis that extends along an axial direction of a hole formed in the pivoting part; a roller attached to a first end of the pivoting part and configured to rotate; a rod attached to a second end of the pivoting part and configured to move along a second axis; a spring mechanism enclosing a part of the rod and configured to apply a biasing force to the pivoting part; and a rod housing configured to receive an end of the rod and to allow the rod to freely move through the rod housing.

Inventors: Sarri; Franco (Florence, IT), Iurisci; Giuseppe (Florence, IT)

Assignee: Nuovo Pignone S.p.A.

International Classification: F04D 29/56 (20060101)

Expiration Date: 2019-11-04 0:00:00