Oscillatory Engine. Page: 4 of 6
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UNITED
STATES
PATENT OFFICE.
WILSON FRANK HUTCHISON, OF ORANGE, TEXAS.
OSCILLATORY ENGINE.
SPECIFICATION forming part of Letters Patent No..644,175, dated February 27, 1900.
Application filed March 29, 1899. Serial No, 711,009. (No model.To ctll whom it imay conerm:
Be it known that I, WILSON FRANK HUTCHI-
SON, a citiZen of the United States, residing
at Orange, in the county of Orange and State
5 of Texas, have invented a new anduseful
Oscillatory Engine, of which the following is
a specification.
My invention relates to an oscillatory en-
gine, and one of its objects is to provide an im-
to proved construction and arrangement of parts
whereby the engine-cylinder Is mounted for
oscillatory movement, the bearing elements
being disposed exteriorly to avoid interfer-
ence with the working parts of the engine and
15 also to secure extended bearing-surfaces.
A further object of the invention is to pro-
vide an improved constriction of valve mech-
anism particularly adapted for engines of the
type mentioned.
20 Further objects and advantages of this in-
vention will appear in the following descrip-
tion, and the novel features thereof will be
particularly pointed out in the appended
claims.
25 In the drawings, Figure 1 is a front view
of an engine constructed in accordance with
my invention. Fig. 2 is a longitudinal sec-
tion of the same. Fig. 3 is a detail transverse
section on the plane indicated by the line 3.3
30 of Fig. 2. Fig. 4 is a detail sectional view of
the means whereby the feed-pipe of the en-
gine is connected with the steam-supply pipe.
Fig. 5 is a detail cross-sectional view of the
valve-plug on the line x x of Fig. 2, showing
35 the relation of the several steam-feed ports.
Fig. 6 is a similar view on the line y y of Fig.
2, showing the relation of the several exhaust-
ports of the valve-plug.
Similar reference characters indicate corre-
40 sponding parts in all the figures of the draw-
ings.
The cylinder 10 of the engine embodying
my invention is provided at opposite sides
with axially-alined extensions forming trun-
45 onions 11 and 12, of which the latter is hollow
to constitute a valve-chamber 13, and these
trunnions are encircled bybearing-sleeves 14
and 15, supported by a suitable framework
consisting in the construction illustrated of
50 upwardly-convergent front and rear stand-
ards 16 and 17, to the upper ends of whichare bolted the separable upper and lowersec-
tions of the bearing-sleeves. The upper ends
of the front standards 16 are reduced to en-
gage registering eyes 141, formed on the ex- 55
tremities of the sections of the sleeve 14 and
held in place by nuts 18, and the upper ends
of the rear standards 17 are provided with
seats 171, in which the extremities of the
sleeve-sections 15" are secured by means of 6o
bolts 19.
Each of the bearing-sleeves is provided
with spaced ball - races 20, registering with
corresponding races carried by the cooperat-
ing trunnion, and in practice these races are 65
preferably provided with linings of antifric-
tion-bearing metal, such as Babbitt or the
equivalent thereof, the cap 21, by which the
outer side of the outer ball-race on the trun-
nion 11 is formed, being held in place by a 70
cap-plate 22, secured by a suitable bolt or
screw 23. In the same way the outer bear-
ing-cap 24 of the trunnion 12 is held in place
by the head 25, which closes the outer end of
the valve-chamber 13, an adjusting-screw 26 75
being threaded in the head to bear against
the cap 24, whereby the desired adjustment
of the parts to take up lost motion may be ac-
complished, and said adjusting-screw being
fitted with a jam-nut 27. Lost motion in the 8o
.bearings of the trunnion 11 is taken up by
the adjustment of the cap-plate 22.
Operating in the cylinder 10 is the piston
28, having its rod 29 extended through a suit-
able stuffing-box 30 in the lower head of,the 85
cylinder, and said piston-rod is connected, as
in the ordinary practice, with the crank-disk
31 on the driven shaft 32,which may be mount-
ed, as shown, in bearings 33, supported by
the base 34, to which the lower extremities of 90
the standards 16 and 17 are anchored.
Connecting the extremities of the cylinder
10 with the valve-chamber 13 are upper and
lower ports 35 and 36, and between said ports
is arranged a seat 37 for the inner end of a 95
valve-plug 38. This valve-plug is provided
with a transverse partition 39, having a cen-
tral opening 40, into which is threaded the
extremity of a steam-inlet or feed pipe 41,
which extends axially into the valve-plug, 1oo
said feed-pipe thus communicating with the
steam - inlet chamber 42 of the valve - plug,
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Hutchison, Wilson Frank. Oscillatory Engine., patent, February 27, 1900; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth508799/m1/4/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.