5 Figure central vertical section a
circuit-controller comprising conductor or
series conductors forming one terminal
and means for maintaining jet jets of
conducting fluid constituting the other ter-
xo minal, which are arranged rotated in
opposite directions. this any other means the
mercury set motion and caused flow no
around the troughs, and conductor be
mounted position rotated the mer
cury, and when rotated make intermit
tent contact therewith, circuit-controller -
may obtained novel and distinctive 115
character and capable many useful appli
cations independently the other features
which are embodied the complete device
which illustrated. Terminals C",passing through
the bottom the receptacle through insulat
ing and packed sleeves, afford means con
necting the mercury the two troughs with
the conductoi’s the circuit. Depending from said disk
are arms H', which afford bearings for shaft
K', supporting two star-shaped wheels L",
arranged make contact with the mercury 125
in the two troughs, respectively. this device the top and bot
tom the receptacle are metal plates, 90
while the cylindrical portion sides of
insulating material, such porcelain.
To operate the apparatus, the receptacle D,
into which suitable quantity conducting
65 fluid, such mercury, first poured, and
the spindles are both setin rotation their
respective motors and opposite directions.
50 Depending from the spindle the arma
ture cylinder which are secured
arms extending radially therefrom and
supporting short tubes ducts between
the peripheral walls the receptacle and'
55 the series teeth projections L.613,
produce make and break; but the an
nexed drawings have only shown such forms
of the apparatus best illustrate the pres
ent improvement.
In Fig. have indicated
the necessary circuit connections wires X
and X', connected, respectively, with brush
M’, bearing upon the circular plate and 85
binding-post X", set the frame casing A. The disk carries annu- 130
lar core X', which adapted maintained
in rotation core and coils O", sup
ported outside the receptacle and prefer
ably the same character those used for
. modified form apparatus is
shown and means which similar results
are obtained. The
receptacle whole made air-tight
and any suitable means may employed
25 effect its rotation, the particular device
shown for this purpose being electromag
netic motor,one element, G,ofwhich secured
to the spindle Gor receptacle and the other,
II, the box case Within the recepta-
30 cle and secured the top the same, but
insulated therefrom, circular conductor
K, with downwardly-extending projections or
teeth This conductor maintained in
electrical connection with plate outside
35 the receptacle means screws bolts
X, passing through insulated gaskets the
top the receptacle ithin the latter
is standai'd socket which mount
ed spindle concentric with the axis the
40 receptacle.
Any suitable means may provided for
rotating the spindle independently the
receptacle but for this pui’pose again
employ electromagnetic motor, one ele-
45 ment, which secured the spindle P
within the receptacle and the other, is
secured the box and surrounds the cap
or dome within which mounted the ar
mature Q.
A designates casting cylindrical form
within which standard socket in
15 which mounted vertical spindle car
rying the circuit-controlling mechanism. ith
in the receptacle and preferably integral with
the side walls are two annular troughs W
W', which contain conducting fluid B', such 95
as mercury.
The tubes have openings one end in
close proximity the inner wall the recep
tacle and turned direction opposite to
that which the latter designed rotate
60 and the other end orifices which are adapt
ed direct stream jet fluid against
the projections L. The shaft
Iv' mounted insulated beai’ings, that
when both wheels are contact with mercury
the circuit connecting the terminals C"
will closed. For the present purpose
I provide the center the receptacle 120
socket which mounted spindle P', car
rying disk G'.
By the rotation receptacle the conduct
ing fluid carried centrifugal force up
the sides walls the same and taken 70
by the tubes ducts and discharged against
the rotating conductors If, therefore, oné
terminal the circuit connected with any
part the receptacle the metal portions
of the instrument electrical connection 75
therewith and the other terminal connect^
ed the plate the circuit between these
terminals will completed whenever jet
from one the ducts discharged against
one the projections Land interrupted when 80
the jets are discharged through the spaces
between such projections. Surrounding 100
that portion the device which the troughs
W lie core D', wound with coils D",
arranged any suitable and well-known man
ner produce, when energized currents
of different phase, rotating magnetic field 105
in the space occupied the two bodies of
mercury, intensify the action, circular
laminated core placed within the recep
tacle. The
said mechanism contained receptacle
D, iron steel, the top cover which
is composed annular plate and cap
2o dome the latter being insulating ma
terial metal comparatively high spe
cific resistance, such German silver. Fig. similar view
of modified form circuit-controller
