Heat engineering; a text book of applied thermodynamics for engineers and students in technical schools . Fig . 38.—Section of two-stage Ingersoll-Rand compressor. cooler. The air just compressed in cylinder G is forced throughthe intercooler into the cylinder H where it is compressed to ahigher pressure. In this cylinder the inlet valves I are at the topof the cylinder while the discharge valves J are at the lower partof the cylinder head. Both sets of these are mushroom VMS///* ? , ,, ._, „ , , VS//W/A _ . V7///, Fig. 39.—Enlarged section of L. P. air cylinder of Ingersoll-Rand comp
Heat engineering; a text book of applied thermodynamics for engineers and students in technical schools . Fig . 38.—Section of two-stage Ingersoll-Rand compressor. cooler. The air just compressed in cylinder G is forced throughthe intercooler into the cylinder H where it is compressed to ahigher pressure. In this cylinder the inlet valves I are at the topof the cylinder while the discharge valves J are at the lower partof the cylinder head. Both sets of these are mushroom VMS///* ? , ,, ._, „ , , VS//W/A _ . V7///, Fig. 39.—Enlarged section of L. P. air cylinder of Ingersoll-Rand compressor. The air is finally sent to the air storage tank or aftercoolerthrough the pipe K. Fig. 38, which is the Ingersoll-Rand class AA-2 compressor,illustrates one form of two-stage air compressor in which the AIR COMPRESSORS 121 driving steam cylinder 0 is in line with the two air cylindersand the fly wheels are driven by outside connecting rods. Thefigure illustrates the method of bringing cool air to the compressorfrom a point outside of the engine room through the conduit Land at M and N are the water jackets to remove some of the heatof compression. Fig. 39 is introduced to show the valves of the low-pressurecylinder. In the periphery of each face of the piston are a series of slots distributed around the pistonthrough which air can pass. Over thisis fitted a ring which closes this open-ing and acts as a valve. This is knownas the hurricane inlet valve. Whenthe
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