Albuquerque evening herald. [volume] (Albuquerque, New Mexico) 1911-1914, 1911-11-20

throttle has been IN connection VIA
locomotives using auperhcatcrr. u
has many peculiar advantages IN use
on u superheated engine. With enc
external throttle the superheater u
always charged with live SIENNA
condition which not only tends To-
protect the sucrpheator from excess
slVc heat but makes the locomotive
more active 10 starting.
In case of ar aceidcnt on the read
which ordinarily would cause the To-
comotlve 20 "go dead" and max" u
necessary 90 provide another engine
20 handle the train, with this cNter-
nal throttle emsrRency repairs could
he made and the same engine could
be- used 10 haul the train 10 the ter
minal. This not only saves time for
the passengers On the train but pro-
,tdes econor,y for the railroad COM
pnny.
The new arrangement also makes
u easter and quicker Tor the inspect
orr of the Interstate commerce COM
mission "a inspect the locomotives.
n coforms more readily 20 the laws
made by the United States govern
mcnt.
This throttle was designed primar"
~ Tor use with locomotives equipped
with suerheaters. However. II Is
equally applicable 10 locomotives US
Ing saturated steam, and n suitable
FOR the design of Superheaiers ar
ranged .for either high or low de-
gree of supsrheat.
The throttle IL secured beneath the
Nuperheatcr on the outside 81 the
"A. ~. a..ft
/ Il . connection 60 "a large globe valve.
aud this, Ia turn. h connected 80 the
dome bNy an outside pipe. short
steam pipes lead from the throttle
10 the cylinder saddle casting Tho
throttle IN operated BY bell crank
connected with reach rod leading
90 the cab,
The throttle IL supported by cast
steel saddle, riveied through its up
per nange 10 the boiler shelf The
throttle box Is eelted To- the lower
flange of this saddle, a steam-tight
Joint between the boz and saddle
being made by the usual form OF
joint ria The throttle IL controlled
hy stem passing through pack
Ing gland, beneath the throttle box.
steam enters the throttle through
IN. saddle. ana passes 60 the chan
nels Ia the cylinder saddle casting.
through two steam ripcs cast IN one
piece with tho throttle box.
To trace the flow OF steam from
the dome 20 the cylinders steam
leaves the dome by an outside pipe.
located above the boiler. Passing
through a globe waive !, enters the
superheater beinE led therefroin
through 10. snort saddle beneath the
superh.aler ana 40 on through the
throttle aud short steam pipes. flnai-
| Is entering the channels in the cyl
inder saddle casting. and passing to
the valve chamber, AL pipes are
| properly lagged.
saturated steam may be led 10 the
nuperheated header. either oy an ex-
ternal pipe from the dome or BY the
usual inside dry nipe From the
headcr. supsrheatrd steam Is led 10
the throttle rs two steam pipes. sim
liar ~ the common form OF smoke
| box steam pipes.
The external throttle IL readily ac-
cessiblr az an timeF for inspection and
repairs This feature, together with
the outside location Of steam pipes
ANA connections, introduces detira-
bic innovation Va locomotive rractice,
"a places the joints outside OF the
boiler she'll where steam leaks may
be quickly detected ana where re-
pairs may br made conveniently The
Joints are removed from the intense
heat 81 the smoke box tina, tends TO
cause leaks, aud IN the event of
| leak the ktraminv qualities OF the To-
| cowotl,e are not affected with
steam pipes inside ~ the SNAKE box
leaks interfere With the Etenming by
ldentsoylnE the vacuum.
The accessibility Of The throttle
| provldes many ADVANTAGES. While
The boiler IN under steam pressure
| the al0he waive near che dome may
he closed, thes shulting of steam
from both the throttle and the super-
heater. Repairs ~ these may then
| be made without the Ions delay Incl
dent 10 blowing or steam. ccolinK
boiler. removing dome cap, etc.
should the throttle become dineonr
neoted. either open or shut. Il u pos,
rlhie Ca get AZ u promptly, Tempo
rarx repairs may be- made NJ ones
| and thM engine proceed with ~
train. In case Of such an accident
with the usual form 81 throttle Il
wonld be necessary 70 klIi the enainf,
II There II no kiufllna box. gland o.
packing for shruttIe rod la cab
With The exlernni throttle super
heaters nrt alNata charged Kiln df>