It possible this means not only pro
duce strong discharge high tension, as
in the form spark well adapted for the
5 ignition gas other purposes for which
sparks are employed, but secure such re
sult apparatus very much less complicated
and expensive than that heretofore employed
for the purpose and which will capable
io certain and effective operation for in
definite period time. Across the two conductors the
circuit, between the battery and the primary
40 condenser G
-, which charged the
battery when circuit interrupted the
commutator and which discharges through
the primary when such circuit closed. ■
2.
NIKOLA TESLA.
I have illustrated the principle im
provement and the manner which the same
is may carried out the drawing hereto
x5 annexed. 120
4.
It will understood from the preceding
65 description that not limit myself the
specific construction arrangement the
devices employed carrying out im
provement and that these may varied
within wide limits. Other
20 parts the engine are omitted from the illus
tration unnecessary understanding
of the invention.
Witnesses:
M ,
E I-Io.
In the circuit battery other source,
of current and the primary trans
former.
30 The to-and-fro movement the piston, there
fore, operates alternately make and break
the circuit, the position the commutator
being such that the make occurs the mo
ment desired for the ignition the explosive
35 charge under the piston.
The primary combined with second
ary the conductors from which lead, re
spectively, insulated terminal within
the cylinder and any other conduCting-
55 body the vicinity such point the
cylinder itself. The invention shown used
for effecting the operation the piston a
gas-engine, the figure being diagram/
A designates the cylinder gas-engine,
B the piston, and the piston-rod. apparatus which depends for its
operation effect upon the production a
sudden electric discharge given instant,
or predetermined intervals time, the
combination with moving part said ap- 75
paratus switch commutator, con
denser, charging -circuit for the same, a
primary circuit through which the condenser
discharges, and secondary circuit in
ductive relation the said primary circuit 80
and connected with the terminals the point
in the apparatus where the discharge re
quired, the switch commutator being op
erated the said moving part effect the
discharge the condenser the proper in- 85
tervals, set forth.
On the piston-rod commutator cir
cuit-controller upon which bear the terminals
25 electric circuit This commuta
tor comprises continuous ring and split
ring side side, that when the termi
nals are the latter the circuit inter
rupted, but when the former closed. apparatus which depends for its
operation effect upon the production a
sudden electric discharge given instant,
or predetermined intervals time, the 90
combination with moving part said ap
paratus circuit and circuit-controller
adapted close said circuit the time when
the occurrence said discharge desired, a
source current said circuit, condenser 95
adapted charged said source while
the circuit interrupted, and transformer
through the primary which the condenser
discharges when the circuit closed, the sec
ondary the transformer, being connected 10c
with the terminals the point the appa
ratus where the discharge required, set
forth.
In order that the condenser may receive a
45 charge high tension, self-induction coil
II introduced the circuit between itself
and the battery, which coil stores the en
ergy the battery when the circuit is
closed the commutator and discharges it
50 into the condenser when the circuit broken. apparatus which depends for its
operation effect upon the production 105
electric discharge, given instant, at
predetermined intervals time, the combi
nation with moving part said apparatus
of circuit and circuit-controller adapted to
close said circuit the time when the occur- no
rence the spark desired, source of
current said circuit, self-induction coil
which stores the energy the source while
the circuit closed, condenser into which
said coil discharges when the cireuitis broken, 115
and transformer through the primary of
which the condenser discharges, the second
ary said transformer being connected with
separated terminals the point where the
discharge required.609,250
condenser through the primary will occur.
3. gas explosive engine the kind
described, the combination with moving
part said engine circuit-closer switch
controlling the charging and discharging of
a condenser, separated terminals the cylin- 125
der explosive-chamber, and transformer
through the primary which the condenser
discharges, the secondary being connected
with the terminals the cylinder,as set forth.
W hat claim is— 70
1. consequence this ar
rangement, when the piston reaches the
proper point the circuit closed, the en
ergy the condenser discharged through
60 the primary with sudden rush, and strong
and effective spark flash produced be
tween the point and the cylinder piston
which ignites the charge explosive gas
