Richmond enquirer. [volume] (Richmond, Va.) 1815-1867, 1853-01-21
From tho new Yor, Eseaias Pos, Of Jan. Z
rpE ERICSSON SESPIEATOK.

,na,ion Of rs principle hope MAJ prove nici'S0l'
| if not satisfactory, Ia our r. ace's -,
a. w spv men as preliminary 10 this explanation, lhat
IN h never used in Captain Eticssuns engines - "biantd
nn ~. expansion Of The atmosphere by heat he uses D"
water and makes steam, but employs INC a'nosr W
rnuch ns The steamers employ water, win This Ge"ct'
49, ;o,r,d of throwing away the heat alter II has been
used az the steam engine does by cohiehsttoI he
i, from the escaping air and uses J, oSt' ai d
och now charge OF air which supplied I" MS cShu'fs
This economy of the heat of course results ~ cot!csohu
ing economy Of fuel, furnace room ana lIne s4!ias =,
equal, il Is supposed 10 oihc'e"Ie' ~ t "
! five paris in every six. L .r,i ob
W. will now give 30 near can the process hy "lcn
this important economy is effected We des!f" 'u,
and (ncs 10 be understood as applying 10 thc fessc WHICH
We visited yesterday ~ . 3oa ,,,
The Ericsson by carpenters measure rates as : -v ION
vessel She supplied with palrs OF engines ana eac
nair is supplied with working cylinders a. ey ute
,ocd and two "ppy cylinders" inverted tlien Inc
sunnIv cylinders smaller than the working cyndcfS h
are filed with cold air from reservoir over them al every
of the piston which creates vacuum r lts ndn-
son The working cylinders which are immediately ocio"
the supply cylinders ana over lie lurEaces are iea W
heacd or raicd air, and are as luch ias a ''c sup
| m necessary 10 realize the die:enc" in force
between air al lis natural temperature ana 10
When the air in the working cylinder Is heo't VIZ p
r.ods and drives cold ont oil The supply ck !aaer
o rrscryoir where remains until the aTited AR has
YhouRtrd its fcr and is expelled by The descent oil me s
ton the working cylinders 'nen upon .ns uIset y. w..
u;sioc soan this cold air PUSHES into The working cyocT
vhcr il is again aIifed and repeats the motion we have
and mulpies the force which prcpes the vessel
before proceeding describe the novelty OF the n'ach
o rho nrocrss by which the heat s separated from Tho
waste air and held in dep0ste io future use we VI" give
few Of the important statistics OF me dimensions
rJ conuriirs of the machinery have already uescoca
| The Diameter of each Of the working cylnurfs Is 100
inches and its % 300 square incheS aouu !ec le6
Of any Of tho cylinders o lne those Of the Collins
steamers weigh fifteen tons Inc pressure On 'ee !,.
drrs is ten pounds the square inch whic gives ds ass
gate nrcssurc 223 600 pounds tor each cyioe,' "c
@ crs NAV better appreciate the extent OF this power If
we add what asccrtaincd hc mat shse p'""u "
nressure upon the piston will raise eleven tons
ma utininrb
area IL 400 SQUARE inches. The Two ps0ns inc supply ana
the working connected by eight massive "Io"s iron
rods which ensure perfectly simultaneous ana sYhl'cc
motion The power from the piston Is communicates " m
crank he paddle shaft By connecting rods placed al IN a
forty five degrees, and working in snch way as "
dsnense with shalt in IN STEAMBOATS, anu oo
y,;inq all Inconvenience from what Is technically known
among mechanics The dead centre" This appliance Is
also an invention OF Mr. Ericsson, and scarcely less lp
in, in Tia results than that which is principal pur
nose to-day 10 describe; but we do not icci nj liberty 10 eS
plain s principle in detail AT present as M i.tcsSoh Is no
srnus ~ securing his paentrght for II In foreign coun
,rics hcpre exposing the public. We may say :" 's
invention however that is ono which - qu'c sure '' oc
ing as universally adopted as his motTe power ,, h
| We will now attempt 10 ucsc!!oc '''' P'Ne' y ~
heat is economical. , - h,x
6cS with collection wire discs like seVe', sla ect oy
nmr r,ced vertically in the box. There are TWO huhaca
of these dscp euch box The hot air on ien'l"e tG
ing cylinder after performing liz inhcHoh .! ;t 1
ne,on nm il csneed through the box oil wire, whch f
Erssun Terms trcgenerator" but which may 90 more
properly termed respiraor, as our readers vi" Pic'c
when they to appreciate lts ofhce; .;.,, ar IN
In passing through the disc the expelled AR eiFea n -.
ar nearly all OF It's hea-a hut about 81 deg-o Inc WIRE
where IL is held deposc as II were, un'il inc VI
ynulsion complete and the valves open 10! Inc aassoh
of tho cold atmospheric air. which Is waiting 10 uue'sn 'le
proc.ss OF ratification. When the valves open e cou al"
rushes through the re.pIraor, In which inc Ita! - ~
roses il mn and thus enters the working cylncef almost d.
IN, - hr air which moment before deposited The same
heat in tho reservoir thu, leaving to me iu'hare we mo-
rate duty Of supplying milling elLeLehct =. "y
20 deg Of emnrratu:e the air in the ~oTk'nG c!nac'.
The capacily these wire mescs To absorb ana eiaih
the ca0ric will not be ques TONED by p'actca ch "nEh "
state tina, the four 'spalors" in the kcsson present
ca If oyrr * GOO superfcil feet while there are more
titan 100 0000 G0 OF cells between the meshes i' 'I "a
this boat ll6h oi an inch IN ialicc ou' l"at
NAV be vared according 10 circumstances AZ MAJ
tho number of discs both depending IPon 'e amount %
heat which IA sought 10 be deposited Inc surface o' "e
employed in absorbing the neat In The arssoh i e' "
tile onlire hre surface o iouf VI "ie 'e'S '''e
| rIne stcaIn-bOlierS ,.., :,
Rvn most elaborate series Of experiments The details Of
which though exceedingly curious and Instructive we nave
ma time today /, nalrlic Capt E-lcssnn GsrcI'rncd that
each particle of occupies just l-ai ni ss'ood III ha'
lng quit through he disc and IN thai 'aG nntcIs'Es
change Of ernprra OF 400 deg that Is INC expelled hot
mir four hundred degrees cooler when u !etst, me T:sf
r,ar than itenirts H. and the cold ar HccoHieS "u
hundred degrees ~nri X enters HE ~&lnG ~ I'm
Ter or heating chamber than 4 was whcn II entered INC
1t deserves in this conneXion TO o. borne IN
mind Capt Ercsson's patent never c'S'emria'es
great r in working cylinder Than SUI Cog e5'ef
day. the HEAT only about 4aU deg
In passing through the respratUr il Is asceraino that
,ha hr air d,un.lcS all but annut 30 deg oil III c. that
,hn waste or escape air Only 30 deg than
when !, entered The reservoir cold and consequently the
OF heat IS only about 10 per cent on every SUI us
snploycd and this only whigi IS Inc function
of inc furnace. repair greater saving might DO 90
,aned by employing greater number OF wiTG 1Scs eh'
some other obvious cauiton+ HI: u" Pfac'cl' a:Sah"se
wuui be- derived from carrying the process 0! ao'Tacllon
any further ,.,h
We vii! nov describe the healing gpFarlns Un'"r each
wo,tnn cylinder ARE lyo furnaces each The Of
any THO. .Inucr han tho !;rio al an Ordinary country
house or"n ia which la kept 40 moderate NE "s inta
cite coal
.i,. faro f
the fire uf'ace OF he cy!;nje is 80 gfedie"Gtn !Hf
and f. ircl-ha the heat from cot!S only ncs y "EJ
oil radiation ;here being no o'"z aud The hoom 81 'r
cy Under being entirely removed v;n aoy d''rct contact
with the fire.
The ordinary consumption Of he four iarnaces IN th|
"Erirs.nnm is six tun twenty four hours. me cannot
CONSUME. over seven within hat peri"d he: tee no
blowers nor any other arca! nuaiiarIr" Il cgmOnsion;
nor al the highest speed v! the coal burn raeri-
ally Than when running moderately IN Other words
he u IN" will not increase with Ire speed as IN YES
sta propelled by steam.
Steamers the onnag" the Ericsson never con-
les thnn fifty tons in every tw"n'y-ion nous. u"
Atlantic steamers take in, for winter voyage Twelve n-
bred vessel propelled by c"n'ic "n2nc o. NE
eomr ;n1apr nj the same ~ speed and Eniess Mr..
Ecssus theory b. faciun- ("hiCh 10 one can be-
lievc has what On TueshayD mere Is no
ra s 10. doubling BY Trcpoonairly cn:Teng HE
cylinders equal greater speed cen be "hianca Than
has yet reachcdsuch vessel we saw mus pro
uelI.d will require for similar voyage MOI over iO tons 81
coal Or about lUoV tone less man seae' u @ sa'e
tonnage.
their them, uGiG2 ne Vaue Oh sFaCe
il occuncs price of it, S25 ton. That makes d
ference in the Of The TWO vessels IesunS
exclusively from and transport Of fuel OF S25ooV
for single passage.
This vast bulk Of coal cngrosses all the best freight room
in the steamships while Capt Ecs can stow away ms
lao tons his coal bunkers beneath The freight deck beside
the engines leaving all his freight deck entirely iree and Of
course productive.
In this connexion II ia proper 10 state 'a. the Immense
weight of The coal required for the Atlantic steamers Gem
pcs them 10 leave port always deep In the war aud 10
enter light for their best running speed while Mr.
Ercssons ship affected by he weight ri the coal
necessary for his engine than ordinary clipper affected
By fuel which it carries for consumption in tic cooks
galley.
There is also important difference between the weight
Of the EcssHns oiHe and steam engiEes al equal power
TIE engine tn .s son weighs abnu, $50 tons The en-
pines Atlantic steamers, including The water in the
boilers which, o course, becomes part OF the steamers
burden, weigh 1000 tons
The power OF Ercssons engines Is 10 be increased not by
raising the temperature the furnaces but by charging The
cylinders Of which shall speak presently. An enlarge
nicnt cylinders OF course would involve an increase
of weight.
But this increase would hi considerable the power
increase, directly the squares Of the daneers OF cylin
des by doubling their dIametcrE the power is in