US Patent No. 9,574,606

THRUST BEARING FOR HVAC COMPRESSOR


Patent No. 9,574,606
Issue Date February 21, 2017
Title Thrust Bearing For Hvac Compressor
Inventorship Michael Gerard Benco, Onalaska, WI (US)
Mark W. Harrison, Onalaska, WI (US)
Assignee TRANE INTERNATIONAL INC., Davidson, NC (US)

Claim of US Patent No. 9,574,606

1. An insert for a hydrodynamic thrust bearing, comprising:
a ring-like body having a crankshaft contacting surface; and
at least one structural configuration on the crankshaft contacting surface, the structural configuration including a lubricant
receiving region, a first transitional region having a sloped ramp with a height increasing from the lubricant receiving region
to a flat region, and a second transitional region next to the flat region and having a sloped ramp with a height decreasing
from the flat region, sequentially arranged along the crankshaft contacting surface;

wherein the lubricant receiving region includes a groove configured to receive and direct lubricant when the hydrodynamic
thrust bearing is in operation.