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 639
o the desired pressure foroperating the gear. When the speed is constant and thevalve not taking any oil, the excess supplied by pumps willbe discharged through this relief valve. 626 Steam Engineering The special reducing valve shown in Fig. 264, and at S,Fig. 263, is provided to control the… … SuctionFig. 3 Fig. 263 7^o Oro/n ^/r C/tomOer^ffe//ef Va/ve provided in order to give a reserved capacity of oil shouldthe pumps for any reason stop, and also to form an aircushion on the system. The valve at the top of this tankshould be kept closed, and the oil allowed to compress theair…