Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 603
de by two bronze rings 590 Steam Engineering d^ d;, each made in three parts^ which are held against theshaft with slight pressure by the spiral springs e. A pres-sure in an axial direction is caused by springs f. Thechambers of all the stuffing boxes of the turbine are con-nected together. Thus a… … Fig. 243 steam to enter^ thus preventing air from being drawn in. Steam is led in Figs. 240 and 241 through the ringpassages^ and excludes thereby the air, so that the vacuumdoes not suffer. The construction of a turbine stuffing box as steam tightas that of the steam engine is still an unsolved…