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 875
5aib cylinder with mechanical discharge valve—allis-chal-mers air compressor 848 Steam Engineering ihe pressure in the cylinder equals the discharge pressure,when the valves are free to open automatically. In closing,the air between the plunger and valve forms a cushionwhich is so adjusted, and… … FiG. 356 ^lE CYLINDER WITH MECHANICAL DISCHARGE VALVE-MEKS Alli COMPEESSOR -ALLIS-CHAL- iern, positively operated by independent eccentrics on themain shaft. The inlet valves are the same as described inthe two preceding types. The discharge valves are so propor-tioned and adjusted as to close…