. The Street railway journal . by Edward M. Hagar & Co., the Western agentsfor this device, to condense the steam from all the enginesin the power house. The condenser vessel being installedhas a capacity sufficient to take care of the ultimate ca-pacity of the station, that is, 14,000 The auxiliarymachinery, consisting of a steam engine driving tandem July, 1899. J STREET RAILWAY JOURNAL. 453 a dry air pump and belted to a Bibus pump of the rotarytype, is of sufficient capacity to take care of the presentinstallation of engines, which have a nominal power of7000 The air pump is an i
. The Street railway journal . by Edward M. Hagar & Co., the Western agentsfor this device, to condense the steam from all the enginesin the power house. The condenser vessel being installedhas a capacity sufficient to take care of the ultimate ca-pacity of the station, that is, 14,000 The auxiliarymachinery, consisting of a steam engine driving tandem July, 1899. J STREET RAILWAY JOURNAL. 453 a dry air pump and belted to a Bibus pump of the rotarytype, is of sufficient capacity to take care of the presentinstallation of engines, which have a nominal power of7000 The air pump is an improved type of air compressor,with positive and automatic valve motion, working abso- count ol the simplicity of its construction and the positiveregulation of the amount of the condenser water, the sys-tem seems particularly adapted for use with fluctuatingloads and for central condensing plants. The reliabilityof the condenser cornes from the fact that there are novalves of any kind, of contracted area or small openings. ARRANGEMENT OF BUILDINGS lutely free from water. The circulating- pump is of thepositive type, of high efficiency, and both this and the airpump are driven by an economical engine provided witha capacity regulator. This circulating pump only handlesthe cold injection water, the hot water passing out auto-matically through a barometric column, or so-called waterleg. Many advantages are obtained by the use of this centralcondenser, and it is said that the amount of power re- fer the air or water to pass through, which can becomeclogged or congested, causing a dropping of the the same time the amount of water fed to the condenseris automatically regulated by the positive displacementrotary pump, which is driven by the air pump engine. Inthe usual condenser a sudden increase in the load, or aleak, lessens the vacuum, which in turn reduces the quan-tity of water, causing a still poorer vacuum; whereas inthe Weiss system the water is pumped in entirely i
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
