Patent ID: 9012824
Filing Date: 2015-04-21
Classification: B23P,F01D,F05D,F16B,F42B,Y10T

Abstract:
1. A low-heat-transfer assembly comprising: a first part configured for use in a heat-producing environment; and a second part that mates with the first part in an interference fit; wherein the first part has a roughened surface where the first part is in contact with the second part; wherein the roughened surface reduces contact area between the first part and the second part, relative to contact that would be produced by a smooth surface in place of the rough surface, with the roughened surface area having a contact area reduction of 40% to 80% relative to the smooth surface; wherein the second part includes a coating on surfaces of the second part where the second part is in contact with the fist part; and wherein the coating and second part are composed of the materials different from one another.