New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1855-06-23
NEW INVENTIONS.

NEW MOTIVE PowKR.--An engine of small size,
analogous TO the steam-eDgine in its structure and
mode Of operation, but producing considerable more
ROVER by the employment of different fuid the
.bisuphmet of carbon" has been recently on exhi.
i1ion In room No. IL Bank of the Republic Building,
ID this City. Numerous and varied experiments seem
10 furnish indubsble proofs that this hitherto unim-
,ortaut fluid produced in any quantities by passing
evapor of sulphur through charcoaD possesses the
1Sg-sought quality Of expanding into vapor of given
yOIume, and thus pr ducing given amount of me-
thanical power without the expenditure of as much
heat as in generating the same quantity of steam.
This is proved by working the engine alternately by
steam and bisuphuret, taking care to provide
against any transfer Of heat from TO the other,)
Ird observing the power developed in either case
with the same fire and the boiler. The result is
Uniformly and unequivocslly in favor of the new fluid,
Iss worked m this particular engine and under
ttse particular circumstances. A larger engine,
rs.ed at six-horse DOVER is reported to have
hen for some time in operation in a distant por-
an of the State with the same results but Of
lis we cannot speak with the same degree of GER
tnty. Tho engine now exhibiting is in the form Of
Ia ordinary horizontal stationary cylinder 81 inches
diameter stoke of piston inches. 1t is provided
Nah common short slide-valve like a locomotive,
|cuting off by the lap at about stroke
4sn the commencement. II is accomp anied by On
kuight tubular boiler heated by spirit-lamp; and
he yspor whether of water or bi-sulphuret of carbon
tfpally condensed by passing through a worm or
biled pipe in vessel of cold water. No vacuum is
hained by this condensation the only object being to
krserve the material Resistance is applied by means
"a friction brake, and the feed-pump is provided
IN h. nh all
h mixture of these fluids may be forced into the
kler; and it is found that the engine works consd-
baby more rapid and with greater load on the
bake. when fed with the fluid than when fed with
hater Hoe much gain sus from this substitution
hould require more careful experiments and much
core tine than we have yet devoted to this sub
ct but the fact OF the gain is established beyond
,.hsdow of a doubt. After running for reasonable
Iewih incre ased power blythe adofthe bi-sulphuret
lse engine can be again worked with steam at the
lane ste as before without interruption of notion
lsevipg that the operation has been conducted with
oa loss Of the heat previously STORED in the water
lie bi-suphuret being decidedly more volatile than
sse much care is required to treasure the heat 10
Iassxtent while working with the new fluid; but
III vas unequivocally done in one instance at our
insuest
| 4 fuid which expands into vapor with smaller
easunpton of heat than water has long been sought
later as motive agent. After water any other fluid
h been heated to its boiling point it requires great
I,lGtion Of heat to expand it into vspor Alcohol,
saer and other liquids expand into vapor OF greater
~ ess volume than water and absorb in so doiog q
EXCEPTIONALLY greater or less quantum Of heat, so that
b las come to be acknowledged as law that the
volume Of any vapor is proportional to the heat ao-
Fbed and consequently that gain could be derived
From substituting other liquids for water. Two hulds
have been proved however to be exceptions to this
Fsle. These are mercury and carbo1ic acid. BON
rese might possibly be more economical OF fuel
fAsn water for engine, but both have proved iu-
atacticabe the first by reason of the high tempera-
Pure required boiling e2oo Fab and its effects the
fah Of those employed aboutit the second by reason
hsow temperature and great pressure required for IFS
c,ndensation, boiling al temperature below zero,)
vel by it's effects the metals of the engine and
Ibier The present discovery, on the contrary, pro-
hides an agent boiling at 1859 Fab and capable of de-
feopng possibly five or six fold power, COM
Pared with steam with no practical difficulties yet
recoverable except al unpleasant but harmless odor
- ben allowed to evsporate in the air.
To prevent confusion it may be well to distinguish
ee.ween this principle and some Of the other hopeful
cevices for cconomizng fuel. The csionc or cir en-
gaes of Sterling, Ericsson, Wilcox, Bennett and
PLIERS. do not attempt this method, but simply draw
BON the discharging pipe as large quantity of its
Peat possible and transfer it to the receiving pipe
The compound engine Of DIR. Trembey exhibited at
fe Novelty Iron Works in this City 10 1884, and now
running French steamer on the Mediterranean does
O' attempt this method, but extracts sufficient heat
sn the exhaust pipe Of the steam engine to boil the
1ass at aiower temperature and thus impela second
v'sns. The cloud engine Of Storms, described in aD.