BLOWER TEST MACHINE EQUIPPED WITH A COOLING AIR CIRCUIT OF A BEARING BEARING

摘要

The invention relates to a wind tunnel testing machine, comprising: a rolling bearing (100) extending along a longitudinal axis (X), and comprising an inner annular ring (104) and an outer annular ring (106), between which circulate rolling elements (108), one of said rings being movable in rotation about the longitudinal axis relative to the other of said rings, an annular support (102) configured to support said bearing, a housing (110 ) fixed annular arranged around said support, characterized in that it also comprises an air circuit (120) arranged in said housing and extending at least in part around said support and being configured to perform thermal pumping in said support . Figure for abstract: Figure 8