Improvements in and relating to Balance or Fly Wheels.
Year: 1891

page_text: Complete Specification Lent, 20th Feb. 1007-00pied, it may
COMPLETE SPECIFICATION.
TOUT
Improvements in and relating to Balance or Fly Wheels.
I, NEILL A. CAMERON, a citizen of the United States of America, residing at
Blossom, in the County of Lamar and State of Texas, one of the United States of
America, Gentleman, do hereby declare the nature of this invention and in what
manner the same is to be performed, to be particularly described and ascertained in
and by the following statement :--
This invention relates to improvements in balance or fly wheels, and is adapted to
be applied to many different classes of machinery.
In the accompanying drawings we have illustrated the invention applied to a
horse power, in which
Figure 1 is a side elevation;
Figure 2, a sectional view taken through the line -, Figure 1.
The object of the invention is to provide an improved balance or fly wheel in
which we make use of weights carried by spring-arms and means for holding the
weighted spring-arms on one side of the wheel near the centre thereof, said arms
being released so as to be located farther from the centre of the wheel on the
opposite side, and in carrying out the invention we provide the fly wheel with a
series of radiating spring-arms having notched ends with which spring-bars
carrying weights are adapted to engage also, upper and lower grooved disks for
alternately causing the engagement and releasing of the weighted spring-bars from
the notched spring-arins.
In the drawings, A., refers to a suitable frame, which may be a part of a horse-
power or other machinery, the main shaft, a, thereof carrying a central grooved
roller, B, while the shaft, b, carries a similar grooved roller, C.
Between
these shafts, a, and b, is located a shaft, c, upon which is mounted the fly
or balance wheel, D. The shafts, c, and a, may be suitably geared to
each other by cog-wheels, g, located on said shafts, a, and c, the shafts, a, and b,
being connected by a belt, h, which passes over pulleys on said shafts, the latter
revolving in unison. The wheel, D, mounted on the shaft, c, has secured to the
periphery thereof a series of radiating spring-arms, E, which are provided with
notches or catches, e, with which the tangentially-located weighted spring-bars, F,
engage at the proper time. These tangential weighted spring-bars carry at their
outer ends transverse weights, W, and their outward movement from the shaft, c,
is limited by bails or staples, f. The rollers, B, and C, are similarly constructed,
having a central recess of sufficient size to permit the ends of the spring-arms, E,
to pass into these recesses, and one of these rollers, preferably the upper one, C,
has a hub, c, of slightly larger diameter than the hub, 6, of the lower roller, B.
In operation, when the wheel, D, is turned in the direction indicated by the
arrow 1, the roller disk, B, will be rotated in the direction indicated by the
arrow 2, either by the belt connecting the shafts, a, and b, or by frictional
contact of the spring-arms therewith. As the wheel, D, rotates, the outer ends
of the spring-arms, E, will pass into the recesses in the roller, B, and the transverse
weights, W, contacting with the peripheries of said rollers, will move the weighted
spring arms inwardly to engage with the notched ends of the spring-arms, E,

page_text: thereby holding the weights nearer the centre of the wheel than normally. As the
spring-arms and weighted spring-bars move upwardly, the spring-bars, F, contact
with the periphery of the upper roller, C, while the outer ends of the spring-arms, E,
strike against the hub and are sprung back to release the weighted spring-bars,
thereby permitting the weights to move ontwardly a considerable distance beyond
the periphery of the wheel, thus gaining considerable amount of power by shifting
the position of the weights, which on one side of the fly-wheel will be near the
centre and on the opposite side considerably beyond. It will be obvious that it
will not be necessary to connect the shafts, a, and b, by pulleys and belts, as shown,
though it is desirable to connect the main shaft with the wheel or pulley carrying
the shifting weights hereinbefore described.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is :-
1. The improved fly or balance wheel herein shown, the same being provided
with a series of radiating notched arms and a corresponding series of tangential
weighted bars, in combination with the rollers, B, and C, substantially as shown,
and for the purpose set forth.
2. In combination with a wheel, D, carrying, a series of radiating spring-arms
having notches, a series of tangential weighted spring-bars, F, and oppositely-
arranged rollers, B, and C, having central recesses and hubs of different diameters
for locking and releasing the weighted spring-bars, substantially as set forth.
3. A fly-wheel, D, provided with a series of radiating spring-arms having notches
on their faces, tangential weighted spring-bars, F, adapted to abut against the
peripheries of the rollers, B, and C, so as to be alternately engaged with and
released from the radiating spring-arms, E, and bails or loops, f, for limiting the
upward movement of the weighted spring-bars, substantially as shown, and for the
purpose set forth.
4. In combination with a wheel, D, having secured to the periphery thereof
spring-arms, E, with notched ends, spring-bars, F, having transverse weights which
engage with the spring-arms, E, rollers, B, and C, centrally recessed, as shown, and
provided with hubs of different diameters, so that the spring-arms, E, can pass one
of said bars without engaging therewith, while they engage with the opposite hub
and are held out of engagement with the weighted spring-bars, substantially as
shown, and for the purpose set forth.
5. The combination of a fly-wheel, spring catch-arms, weighted spring-bars, and
means, substantially as shown, for causing automatically the engagement and
release of the weighted spring-bars from the catch-bars, so that the weighted bars
will be held near the centre of the wheel while on one side and a considerable
distance beyond when released, for the purpose set forth.
Dated this 20th day CILI
1001
JENSEN & SON,
77, Chancery Lane, London, W.C., Patent Agents.