Air Compressor for Deep Well Pumps. Page: 2 of 3
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UNITED STATES PATENT OFFICE
JOHN B. ADAMIS, OF HOUSTON, AND JOHN J. RYAN, OF SAN ANTONIO,
TEXAS.
AIR-COMPRESSOR FOR DEEP-WELL PUMPS.
SPECIFICATION forming part of Letters Patent No. 367,575, dated August 2, 1887.
Application filed April 27, 187. Serial No. 236,36. (No model.)To all whoun it m7ay concern:
Be it known that we, JoIIN I. ADArs, of
Iouston, in the county of Harris, and JOHN
J. RYAN, residing at San Antonio, in the
5 county of Bexar and State of Texas, both citi-
zens of the United States, have invented certain
new and useful Improvements in Compressors
for Pumping or Forcing from Deep Wells;
and we do declare the following to be a full,
io clear, and exact description of the invention,
such as will enable others skilled in the art to
which it appertains to make and use the same,
reference being had to the accompanying draw -
ings, and to letters or figures of reference
15 marked thereon, which form a part of this
specification.
--Figure 1 of the drawings is a representation
of a plan view. Fig. 2 is a side elevation.
Fig. 3is an enlarged sectional view of the air-
20 compressor, and Fig. 4 is a detail view of the
same.
The invention relates to improvements in
air- compressing mechanism for the purpose
of pumping or forcing from deep wells and
25 performing similar work; andit consists in the
construction and arrangement of a larger and
smaller air - cylinder, and the combination
therewith of mechanism to force the air from
the larger into the smaller cylinder to increase
30 the air-pressure in the latter, as hereinafter de-
scribed, illustrated in the drawings, and
pointed out in the appended claims.
Referring to the drawings by letter, A repre-
sents the larger and B the smaller air-cylinder,
35 having preferably one-fourth the diameter of
the larger one, but an equal length of stroke.
a is the piston of the former, provided with
the inwardly-openingair-valves a', and b is the
solid piston of the smaller cylinder, B.
40 The respective piston-rods C and c of the
larger and smaller cylinders are secured to the
centers of the cross-heads c' c=, the correspond-
ing ends of which are connected by the par-
allel rods c" c'. The cross - head c' moves in
45 guideways formed on the bed-frame of the ac-
tuating-engine, and the cross-head c' moves
between the arms d of a guide-frame, D, the en-
larged inner end of which surrounds the outer
end of the smaller cylinder, B, and forms the
50 outer head thereof. The piston and piston-rods are thus made to move true anudtogether
with each other, and the difficulty of keeping
packing tight around the pistons under the
heavy air-pressure they are subjected to is
avoided. 55
E is the cylinder-head separating the cylin-
ders, and to which the inner end of each is se-
curely attached, and e e' are small chambers in
the head E equally distant on each side of its
center. 6o
f is an opening from thelarger cylinder into
the lower part of the chambers e. f' is an
opening from the apper part of said chamber
into the smaller cylinder, and F is an up-
wardly-opening valve having a suitable seat 65
between said openings, so that it is evident
that when the piston of the larger cylinder
moves inward it drives the air within the said
cylinder through the said openings and valve
into the smaller cylinder, where, as both pis- 70
tons must move at an equal rate of speed, it is
compressed to one-fourth of its bulk and must
exercise four times as much pressure to the
square inch as in the larger cylinder.
g is an opening from the smaller cylinder 73
into the lower part of the chamber e', and g' a
pipe extending from the upper part of said
chamber down into a well, or to some other
point where compressed air is needed.
G is an upwardly-opening valve having a So
suitable seat between said opening and pipe,
so that when the piston of the smaller cylin-
der moves inward the compressed air in said
cylinder will be driven through the pipe g' to
the desired point, and at the same time, the 85
piston of the larger cylinder moving outward;
the latter receives a fresh supply of air through
its valves a'. The smaller cylinder is sur-
rounded by a chamber, X, filled with water,
to cool it when heated by the air being com- 90o
pressed within.
The engine and mechanism to operate the
piston and air-compressing apparatus is as fol-
lows:
IH is the bed-frame of said cylinder, and h 95
the steam-cylinder thereof, having the steam-
chest h', provided with the steam and exhaust
pipes i hL', respectively. The piston-rod I of
said cylinder rotates, by means of its connect-
ing-rod i and a proper crank or wrist pin se- ioo
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Adams, John R. Air Compressor for Deep Well Pumps., patent, August 2, 1887; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth171601/m1/2/: accessed March 29, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.