Cross Sectional View of Curtis Turbine Step Bearing

“The upper bearing with dowel—pins and key fit into corresponding dowel holes and key—way in the bottom of the shaft, and rotate with it. When the oil is supplied to the bearing, under a high pressure, it fills the central circular space between the blocks and forces them slightly apart. The oil then escapes between the annular edges of these two blocks and is collected into a drain and returned to the original supply.” —Derr, 1911

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