Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 201
s D, and nuts, to the junk ring C, as shewn. The block A is F and lower part of the packing recess are furthermore formed to receive L pieces ground so as to fit one another accurately. Any excess of pressure on the upper side of the piston has the effect of causing the junk ring C to press against… … Fig. 2. edges G to describe the arc of a circle, and so to force the packing ring E against The piston previously 'used in this en- the interior of the cylinder ; but when (in gine had a cast-iron ring packed up by double-acting engines) the steam pressure india-rubber interposed between itself and…
Engineering
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
