US 12,392,372 B2
Squeeze film damper and a rotating machinery
Thomas Stietz, West Bend, WI (US); Joshua Lemke, Fredonia, WI (US); and Carlo Roso, Farmington, KY (US)
Assigned to Miba Industrial Bearings U.S. LLC, Grafton, WI (US)
Filed by Miba Industrial Bearings U.S. LLC, Grafton, WI (US)
Filed on Jan. 30, 2024, as Appl. No. 18/426,966.
Prior Publication US 2025/0243900 A1, Jul. 31, 2025
Int. Cl. F16C 27/04 (2006.01)
CPC F16C 27/045 (2013.01) [F16C 2360/23 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A squeeze film damper (1) comprising:
a first component (32) that is configured to be coupled to a support structure (4) of a rotating machinery (2);
a second component (11) extending between a first axial end (12) and a second axial end (13), wherein the first axial end (12) of the second component (11) is facing the first component (32), wherein the second component (11) has an outer surface (14) that is configured to be at least partially surrounded by a squeeze film annulus (15);
a journal bearing (26) for a rotary shaft (3), wherein the journal bearing (26) is coupled to the second component (11);
a flexible spoke (37), wherein the flexible spoke (37) has a first end (39) and a second end (41), wherein the first end (39) of the flexible spoke (37) is coupled to the first component (32);
wherein the second component (11) comprises a clearance hole (58) extending in axial direction of the second component (11) starting from the first axial end (12) of the second component (11),
wherein the second end (41) of the flexible spoke (37) is coupled to the second component (11) and the flexible spoke (37) is extending through the clearance hole (58).