ApplicationfiledFebruary28, 1898.
In the drawing slioum receptacle com
posed two cylindrical metallic portions A
40 A', secured together bolts and nuts 0,
but insulated from each other.)
To all whom concern:
Be known that Nik Tesla, citi
zen the United States, residing the bor
ough Manhattan, the city, county, And,
S State New York, have inventedcertain new'
and useful Improvements Electric-Circuit:
Controllers, which the following speci-!
fication, reference being had the drawing.
SPECIFICATION form ing part Letters atent No.
N Y. SerialN
o. Each 60
spindle carries formed with weighted
arm which, remaining vertical posi
tion, holds its spindle stationary when the
receptacle-isr*evolved. Into one of
these compartments, extends spindle 55
H, having its bearing the end the' part
A and the trunnion secured t,o extending
therefrom. 609,846, dated ugust 16, 1898.
.United States ;Patent Office.
ELECTRIC-CIRCUIT CONTROLLER. 671,897. From
this chamber run passages nozzles in
■position discharge jets streams liquid
in such directions intersect, when the
nozzles are rotated, stream issuing from the 80
end tube L'.
To the weighted arm spindle secured 65
a standard carrying tube L', with one
open end close proximity the inner pe
ripheral wall the compartment and the
other directed toward the axis, but inclined
toward the opposite compartment.
The figure central vertical section of
the circuit-controller. This conveniently ■
effected constructing organizing the re
ceptacle such manner that may serve as
the rotating element electromagnetic
motor conjunction with surrounding
stationary element The abutting ends
of the two parts the receptacle are formed
with inwardly-extending flanges which di
vide the peripheral portions the recepta
cle into two compartments G'. (N
om
odel.
20 the circuit-controllers the particular
class type which present improve
ment pertains have utilized conducting
liquid one the terminals and have em-j
ployed the other terminal solid conductor
25 and provided various means for bringing the j
two into rapidly-intermittent contact.
The accompanying drawing illustrates an
apparatus. The recep
tacle journaled, means trunnions
formed secured its ends, standards
D and any suitable means employed to
45 impart rotation it. each portion compartment the re
ceptacle placed quantity conducting
liquid, such mercury, and the ends the
■tubes and are provided with openings 85
which take the mercury when the ro
tation the receptacle carried cen
trifugal force against the peripheral wall.;
io The invention which forms the subject of;
my present application improvement in
a novel class circuit-controlling appliances;
heretofore invented and more espe
cially designed used with now well-
15 known apparatus for the production elec
tric currents high frequency means of
condenser-discharges, but applicable gener
ally means for making and breaking an
electric circuit. The mercury taken the
tube runs into the circular chamber N,
from which forced through the passages
N' the nozzles from which issues 95
jets streams directed into the compart
ment the nozzles revolve with the
receptacle the streams whichissue from them
will therefore carried across the path of
the stream which issues from the tube and 100
which stationary, and the circuit between
the two compartments will completed by
. -Into the other compartment G'
extends spindle H', similarly journaled in
the end part and,its trunnion.
accompanyingand formingapart ofthe same.
The mercury when taken the tube L'
issues stream jet from the inner end 90
of said tube and projected into the com
partment G'.embodying the principle Said
35 improvement. the 70
weighted arm spindle similarly se
cured standard which hollow and con
stitutes portion duct passage which
extends through part the spindle and
opens through nozzle into circular 75
chamber the wall the part A'.
The distinguishing feature present'
improvement lies chiefly the use con
ducting liquid for both the terminals under]
30 conditions which permit rapidly-inter-
mittent contact between them, will: be]
herein set forth
