Pumping Machinery: A Practical Hand-book Relating to the Construction and ... by William Miller Barr

Author:William Miller Barr
Language: eng
Format: epub
Publisher: J.B. Lippincott
Published: 1893-03-25T05:00:00+00:00

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been used by him, nor is he sure whether or not it may interfere with another's secured rights. The intent is to protect the high-pressure rod from contact with the atmosphere, by the use of a Ipng sleeve, as well as to prevent leakage from one cylinder to another by means of the stuffing-box and gland shown in the low-pressure head.

Action of Steam in Oomponnd Direct-Acting Engines. —Let the upper part of Fig. 186 represent one side of a

tandem compound duplex pumping engine, but in the consid-

21*

PUMPING MACHINERY.

eration of the subject it is not necessary to take the duplex feature into account, for the two engines are entirely separate except in the single feature of valve-movement for the distribution of steam, therefore whatever remarks apply to one

Fig. 186.

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