Witnesses:
Ernest IIopkinson,
Parker Page. electric railroad system operated 4
. This current
1,5 may conveyed any desired distance
without material loss, the insulated metal
lic covering sheath around the conductor
serves static screen prevent the dissi
pation the energy.
3. electric railroad system operated
by electric currents high potential and fre- 50
quency, the combination supply conduc
tor running along the line travel, con-
ductingsheath orscreen dividedinto insulated
sections and surrounding the said conductor,
a motor car supporting conducting bodyin 55
proximity the supply conductor and an
electrical connection between said body and
the motor set forth.0
by electric currents high potential and fre
quency, the combination insulated and
electrically screened supply conductor ex
tending along the line travel, motor car
or cars carrying conducting plate bar 45
inductive relation the screened conductor
and electrical connection between the said
plate and the motor, set forth. electrical railway system, the com
bination with slotted conduit insulated 60
conductor supported therein, insulated
sheath screen surrounding the conductor,
a motor car adapted run tracks parallel
with the conduit, conducting plate bar
carried arm depending from the car 65
into the conduit, and electrical connection
between the plate and the motor,as set forth. 1.
2.514,972
s?
tube and all parts the said plate except
the surface exposed the conductor its
metallic sheath, are insulated and protected
by metallic screen obvious that all
portions the arm well the plate itself
may insulated water-proof cover
ing, and will understood that the prin
cipal object the invention would still be
attained even though the plate were actual
contact with the screen while the car in
'motion.
I not claim this application the par-
35 ticnlar line conductor described, nor the
broad idea inducing from stationary con
ductor the current operate the motor a
traveling car other vehicle, but
What claim is—
1.
. The presence, however,
o plate any car close the sheath or
screen disturbs the electrical equilibrium and
sets condenser action transfer en
ergy from the screen the plate sufficient to
operate the motor the car.
In operation, the line conductor con
nected with source current very high
potential and great frequency.
25 the above, have described the screen,
whether continuous subdivided, wholly
insulatedfrom thegroundor surrounding con
ducting bodies, but the single continuous
screen each section the same, may be
30 connected the ground through condenser
of relatively very small capacity, through a
device high self-induction resistance, as
shown dotted lines Fig.
NIKOLA TESLA
