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|1. (WO2017201617) HIGH PRESSURE SELF CLEANING ELBOW|
|Applicants:||ALTER NRG CORP.
DONOHUE, Ian Edward
|Title:||HIGH PRESSURE SELF CLEANING ELBOW|
An exhaust elbow includes an inlet, an outlet, a curved gas guiding duct between the inlet and the outlet, and a plurality of thermally insulated stiffeners connected to an external surface of the curved gas guiding duct, each of the stiffeners including a metallic component and thermal insulation adjacent to at least a portion of a surface of the metallic element.