Windmill Page: 4 of 5
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1,033,361
extending upwardly from the head 3. An-
other gear 23 is secured to the counter shaft
21 -and is much larger than the gear 20, this
gear 23 meshing with a smaller gear 24
5 which, in turn, is keyed or otherwise secured
to the main drive shaft 25 of the wind mill.
This drive shaft extends through the tubu
lar shaft 8 and has one end portion jour-
naled in the standard 22.
10 The wind wheel is connected to the outer.
end of the shaft 25 and includes a hub 26
from which radiates spokes 27 arranged in
pairs, said spokes converging outwardly and
being connected, at their outer ends, to the
15 rim 28 of the wheel. Preferably six pairs
of spokes are employed although it is to be
understood that this number may be in-
creased or diminished if desired. Cross
strips 29 connect the spokes of each pair at
20 points near the hub 26 and these strips are
secured to and support a ring 30 in which
are journaled trunnions 31 extending from
the inner ends of the blades 32 of the wheel.
Additional trunnions 33 extend from the
25 outer ends of the blades 32 and are -jour-
naled in the rim 28.
A connecting and shifting ring 33 is ar-
.ranged concentric with the ring 30 and
extends across the inner edges of the blades
30 32 at points between the ends thereof, there
being ears 34 outstanding from said edges
of the wings and pivotally connected to the.
ring. Thus it will be seen that when the
ring is rotated in one direction all of the
35 blades will be simultaneously swung upon
their respective longitudinal axes so as to
practically close the space between the rim
28 and the ring 30 whereas, when the ring
33 is rotated in the opposite direction, all of
40 the blades 32 will be swung so as to lie in
planes substantially perpendicular to the
plane of rotation of the wheel.
Guide rods 35 are arranged longitudinally
along certain of the spokes and -are con-
45 nected, at their outer ends, to the rim 28, as
indicated at 36. Each of these rods has a,
weight 37 mounted to slide thereon and p
spring 38 is mounted on each rod between
the weight and the outer end portion 36 of
50 the rod so as to hold the weight normally
pressed inwardly toward the center of the
wheel. A yoke 39 is pivotally connected to
each weight and is formed at the outer end
of a connecting rod 40. Each rod is pivo-
55 tally connected to one end of a lever 41
mounted to work between the rod 35,and the
spoke 27 to which the rod is connected. The
other end of the lever is pivotally connected
to the adjacent spoke 27, as indicated at 42.]
60 A link 43 is pivotally connected, at one end,
to each lever 41, at a point between the ends
of the lever and the other end of each link
is pivotally connected to the ring 33.
Ears 44 extend from the head 3 and the
65 standard 22 and are pivotally connected to1a yoke 45 formed at one end of an arm 46
carrying a vane 47. An arm 48 extends
from the head 3 at an angle to the shaft 25
and carries, adjacent its elds, guide sheaves
49 on which is mounted a chain or cable 50, 70
or any other suitable flexible connection.
One end of this connection is attached to
one side of the arm 46 of the vane 47 while
the other end of the connection is attached.
to a grooved segment 51 journaled in a 76
bracket 52 extending from one side of the
head 3. This segment works in a plane per-
pendicular to the axis of rotation of the
shaft 25 and an arm 53 extends from the
segment and carries an adjustable weight 54. so
This weighted arm 53 causes the segment 51
to pull upon the connection 50 and thus
hold the arm 46 of the vane normally pressed
against a suitable stop 55.
The vane 47 is preferably braced by means 85
of a rod 56 connected at one end to the outer
portion of arm 46 and at its other end to a
bracket 57 extending above the ears 44.
It will be apparent that a current of air,
when directed against the. blades 32, will 90
cause the wind wheel to rotate and shaft 25
will be rotated with the wheel so that mo-
tion will be transmitted through gears 24,
23, 20 and 19, to the tubular shaft .8 on
which the cam wheel 9 is secured. Said 95
wheel will thus rotate so as to reciprocate
the yoke 15 and the pump rod 16, each wing
of the cam wheel serving to elevate the anti-
friction roller 10 and thus place the spring
17 under stress while said spring promptly 100
moves the anti-friction roller 10, the yoke
15 and the rod 16 downwardly as shown as
the parts have been raised to their highest
positions. Thus during each complete rota-
tion of the shaft 8, the pump rod is elevated 105
three times. Obviously the weighted arm
53 will keep the vane 47 in the wind under
normal conditions but should a strong cur--
rent of air move against one side of the
vane, said vane would be swung about its 110
connection with the ears 44, this resulting
in the actuation of the connection 50 and the
elevation of the weighted lever 53.
The blades 32 of the wheel are normally
set so as to cause the wheel to rotate when 115
a current of air moves directly 'against the
face of'the wheel. If, however, the velocity
of the wind should increase the speed of ro-
tation of the wheel to an undesirable extent,
the weights 37 will be thrown outwardly by 120
centrifugal force against the springs 38 and
will thus pull on the rods 40 and cause the
levers 41 to swing upon their fulcrums. The
levers will in turn pull on the links 43 and
these links will cause the ring 33 to rotate 125
and thus swing all of the blades 32 simul-
taneously so as to bring their edges into the
wind and reduce the speed of rotation of
the wheel or else bring the wheel to a com-
plete stop. The governor made up of the 130,
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Reference the current page of this Patent.
Romans, John W. Windmill, patent, July 23, 1912; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth509479/m1/4/: accessed July 2, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.