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Патент USA US2122341

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June 28, 1938.
Filed Sept. 16, 1936
2 Sheets-Sheet 1
' V.lune 28,1938.
2,122,341 `
Filed Sept. 16, 1956 -
2 Sheets-sheet 2
Patented June 28, 1938
2,122,341 l
Peter H. Ferrier, Brookfield, Ill.
Application September 16, 1936, Serial No. 101,165
3 Claims.
This invention relates to a combined steam and
electric locomotive.
The invention aims to provide, in a manner as
hereinafter set forth, a locomotive of the class
5 referred to whereby increased power is obtainedv
from the same amount of fuel employed for> a
steam generating means forming a part thereof;
a greater amount of efficiency is obtained; a
greater distribution of power over alonger sur
10 face is obtained; pre-heated air is employed for
combustion; the use of the forward motion of
the locomotive is employed to force a draft into
the ñrebox; the use of a condenser at the front
end of the locomotive will add to the power of
35 steam turbine for operating an electrical gener
ator, both forming elements of the locomotive;
the locomotive is set up to provide a stream-line
effect; the weight is spread over the entire area
of the locomotive to give thoroughly eiiicient
'20 traction; the locomotive is formed of three articu
lated sections to constitute a unit and with each
section having an individual drive; the locomo
tive includes a steam driven propulsion means
locomotive, in accordance with this invention and
with the illustration being partly in section, part
ly broken away and partly in elevation,
Figure 2 is a section on line 2-2, Figure l,
Figure 3 is a section on line 3_3, Figure 1, 5
Figure 4 is a diagrammatical view illustrating
the circuit arrangements and controlling means
for the electrical driving motors.
The locomotive, in accordance with this inven- 10
tion, is of stream-line contour and includes a
front mobile steam propelled combined tender,
condenser and air intake element or section I,
an intermediate mobile electrically propelled combined cab and boiler` element or section 2, and a 15
rear mobile electrically propelled electrical gen
erating plant carrying element or section 3.
The elements I, 2 and 3 are articulated together
by any suitable means in spaced relation. The
space between elements I, 2 will be closed over 20
by a suitable cover 4. The space between ele
ments 2, 3 will be closed over by a suitable cover 5.
thereby increasing the horse power of the loco
motive without increasing the consumption of
The element I has parts thereof forming a
water tank 6, and a fuel bin or compartment 'I
arranged at the rear of the tank 6. The upper 25
portion of one side of the tank 6 is inset as at 8.
The tank 6 extends from the forward end of bin
'I to a suction fan 23 to be referred to. A lmem
ber 9 is hinged, as at I0, to the body of tank 6
for the purpose of forming in connection with 30
the inset part 8 a passage Il. The front of ele
ment I is indicated at I4 and it inclines rear
the fuel employed in connection with the gener
ating of the steam for operating the steam driven
wardly from its bottom to its top. The lower end
of front III constitutes a pilot I5. The upper por
and a plurality of electrically driven propulsion
25 means; and whereby the exhaust from the steam
driven propulsion means is utilized to provide for
the operation of a means for generating electric
ity employed for operating the electrical propul
sion means and with the latter operating con-`
30 jointly with the steam driven propulsion means
(Cl. 105-36)
propulsion means.
Further objects of the invention are to pro
vide, in a manner as hereinafter set forth, a com
bined steam and electric locomotive which is
comparatively simple in its construction and ar
40 rangement, strong, durable, thoroughly efficient
in its use, conveniently controlled and readily as
With the foregoing and other objects, which
may hereinafter appear, the invention consists of
4,5 the novel construction, combination and arrange~
ment of parts as will be more specifically referred
to and are as illustrated in the accompanying
drawings wherein is shown an embodiment of the
invention, but it is to be understood that changes,
50 variations and modifications may be resorted tor
which fall within the scope of the invention as
In the drawings:
Figures 1 and la, when taken together illustrate
55 diagrammatically a combined steam and electric
tion I6 of the front I4 is in the form of a grille.
Positioned against the rear of the grille I6 and
extending above the latter is a condenser I‘I of
suitable form which inclines rearwardly from its
bottom to its top. Extending through the upper
portion of and rearwardly from the condenser I'I
is the front section I3 of an air intake line I9.
The outer end of the top of section I8 is ex
tended forwardly to provide a deflector 20. The
forward travel of element I forces a draft through
the line I9 into the i'lrebox of a steam boiler to
be referred to. The front section I8 of the line
I9 extends through the passage II from end to
end of the latter and into cover 4.
The element I includes a pair of reciprocating
engines 2|, only one shown. The engines 2I are
of well-known form and are suitably supported
in proximity to the front I4. Each engine 2l con
stitutes an operating means for a set of tandem
wise suitably connected together driving wheels
22 of known arrangement.
The element I in- 55
cludes the suction fan 23 which is supported in
proximity to the condenser l1. The fan 23 is
surrounded by an open front housing 23a formed
at its rear, as at 23h, in a manner to direct the
air downwardly.
is indicated at 24.
A ñlling opening for tank 6
The element I includes supporting structure
for the tank, bin, fan and housing 23a. The
wheels 22 are carried by axles 25. The said sup
porting structure is generally indicated at 26 and
in which the axles 25 are mounted. Springs I5a
are interposed between the tank 6 and structure
25. Pilot wheels 26b are provided for section I.
The bottom of the tank is inset, as at v21, .to pro
15 vide clearances for the wheels 22.
The element 2 includes a supporting structure
28 having as parts thereof a pair of trucks 28a.
by a structure similar to structure 28 provided
with a pair of trucks 51a. The element 3 includes
a pair of supporting wheels 5S carried by an axle
60, a pair of electrically7 driven traction wheels
6| carried by an axle 62, a pair of electrically
driven traction wheels 63 carried by an axle 64
and a pair of supporting wheels 65 carried by an
axle 66. Connected to the axles 62 and 64 are the
electrical driving motors 5U, 5 I, respectively there
for. The axles 60, 62 are _mounted in one of the
trucks 51a, and the axles 64, 66 are mounted in
the other of the trucks 51a. rPhe motors 50, 5|
are enclosed in motor boxes in the manner as
shown in connection with the axle 33 as indicated
at _31, Figure 2.
The locomotive includes a sectional steam sup
ply line 'l2 which extends from the dome 55a
The element 2 includes a plurality .of pairs _of Á throughy the cover 4 into and out of passage il
supporting wheels 29. Each pair of Wheels. 29 is
mounted on an axle 30 which is supported by a
and communicates With the engines 2| `for the
purpose of supplying steam to these latter. Com 20
truck 26a. The element 2 includes two pairs of
motor driven traction Wheels. The traction
municating with the engines 2|, extending rear
wheels of one of said pairs _is indicated at 3| and
those of the otherof saidpairs _at 32.
25 wheels 3| are ,carried by an’axle 33 »which is con
nected to one ofthe trucks 28a.
The wheels ¿32
are carried by an axle v34| which is connected to
the other of the trucks 2_6?. yThe .axles 3_3, 3,4; have
connected thereto electric motors ¿35, _36 for driv»
30 ing them. The motors are enclosed in motor
boxes, such _as illustrated at 37, Figure 3. Ar
tom 39 of housing 38 has an inset portion A4. The
structure ¿28 includes springs 4_5 which bear on the
The pipe 1_3 has interposed therein a pair of
spaced valves 13a, 13b and a relief valve '13C set
trucks 23a. The inset portion 5.4 provides ,clear
anoes for the wheels of element ¿2.
vided with a controlling valve 'F4 operated frein
within the cab 4|. Leading from the turbine 68,
extending through the cover 5„ through the ele- _‘
Inent 2.and into the element | and opening into
is provided with a door 4| a. The ñoor 42 of the
.cab 4| is arranged above the bottom 39 _of hous=
ing 38 thereby providing a chamber 43. The bot
40 depending below saidl bottom. The structure
2.8 is pivotally connected to housing _38. A por
tion of _the housing _38 constitutes a cab 4| for
the engineer and fireman. Each side of cab 4|
gines 2| for the purpose of utilizing the exhaust
steam to drive the turbine 66. The line ‘l2 is pro
the upper portion of the condenser- I1 is a line
75 for conducting exhaust steam from the turbine
68 to the condenser Iï. Leading rearwardly from
the dome 55a through the cover 5 and into the 35
element 3 and opening into the rear end of 'i3 is
a sectional steam conducting line 16. The -line
16 has interposed therein a controlling valve 'Vl
actuated by the means 18 which extends into the
cab 4| and is operated from within the latter.
ranged above the structure -28 is a housing or
hollow structure _38 having a bottom 39 and sides
wardly therefrom, into and out of passage H,
thrQllgh cover 5, into lthe element 3 and opening
into the turbine 68 is a sectional conducting line
1,3 for conducting exhaust steam from the en 25
the cab 4| is a cutout of known
construction positioned in a box 46. The cutout
is employed inconnection with .a power _circuit el
leading _from an electrical generating apparatus
to ‘oe referred to. _Interposed in thecircuit 41 is
a _controller of known form positionedin a box
48 arranged in the cab 4|. The power circuit 41
leads to a controlling mechanism *.49 positioned
in the cab _4|. lIihe mechanism is vemployed for
selectively controlling the operation of the elec
55 trical driving motors 35, 3_6, and thev motors 5.6
and 5| to be referred to. The operating circuits
for the motors 35, 36, 5_6 and 5| are indicated at
52, 53, 54 and 5_5 respectively. The controlling
mechanism 49 is not only employed to cause the
independent operation o_f the driving motors, but
is also employed to cause the operation of the said
driving motors in unison. The controlling mech
anism 49 is arranged in the cab 4|.
The element 2 includes a steam boiler 52a, a
65 ñrebox 5.3a and an ash pit 54a.- The boiler 52%L is
provided with a steam dome 55a.. The ash pit 54a
will be closed at its sides and bottom so as to not
interfere with forced draft through the line I9.
The ash pit willbe accessible through a door 8lb
70 (Figure. l) at its front.
for ,ñfteen pounds of pressure. The valves 13a,
'I3b and '|3C have connected thereto actuating
means 13d therefor operated from within the cab 45
4|. Leading from the housing of Valve 'I32L and
opening into a smoke flue 9| is by-pass or steam
exhaust conducting branch 73e. Leading from
the lower portion of the condenser l1 and ex
tending through element | and opening into _the .50
bottom of a hot weli 19 is a condensate conducting
line 80. The well ‘I9v is arranged in element 2.
'_I‘he front _section i3 of line I9 `is coupled within
cover 4 to the rear section 82 _of line I9. The rear
section 82 is arranged within element 2 below .55.
the i'loor 42. The section 92 of line I9 includes
an upper portion 83 of inverted L-shaped contour
and a horizontally disposed lower portion 84
which is open at Ieach end. The portion _83 opens
into the portion 84 intermediate the ends thereof. 60
The portion 8_4 opens into the ash pit. Arranged
within the forward part of the portion 84 is a
suction fan 85 operated and controlled by any
suitable means.
The latter is positioned for-
wardly of the point of communication between 65
portions v83 and 8_4. The forward open end of _the
portion 84 is controlled by a normally closed
hinged Valve _8_6, which is shifted tol open position
by the means 81 for the purpose o_f supplying air
when the locomotive is not in motion. The means y
The element 3 includes a housing or hollow
81 extendsl up. through floor 42 and is operated
structure 56 having its bottom arranged above
the lower ends of its sides. The housing 56 is
from within the cab 4|. Extending within the
portion 84 of section 82 is a shiftable damper lilla
for the rear end of said portion 84 and which is
supported inv a manner similar to the manner in
75. which the structure 38 is supported, that is to say,
operatedby the door V87hl of the ?lrebox.v The 7.5
damper 87a is so connected with the door 8lb to
provide for the damper being closed when the
door is open and opened when the door is closed.
The line I9 is provided for creating a draft of
preheated air when the locomotive is in motion
for entrance into the ñrebox through the grates
for the purpose of increasing combustion. The
air entering line I9 is heated as it passes through
the condenser l'l and conducted for discharge
10 into the ash pit for passage therefrom into the
ñrebox. Leading from the water tank 6, extend
ing through the cover 4 into the element 2 and
opening into one side of the hot well 19 is a sec
tional water supply line 88. Arranged within the
15 element 2 is a water feed line 89 which extends
from the other side of the hot well '19 and opens
into the water space of the boiler 52a. The line
89 has interposed therein a feed water pump 90.
The element 2 is provided with a smoke discharge
20 flue 9| leading from the ñrebox of the boiler.
Interposed in the line T5 is an oil separator 92.
The line 'i6 is for supplying steam to the tur
bine at full boiler pressure when the locomotive
is running slow and under a heavy load. The
25 valves 13a, 13b of line 13 and the relief valve 13c
are to be employed when the turbine is using
steam at boiler pressure. The purpose of valve
'I3a and by-pass 'I3e is to allow the exhaust steam
from the engines to escape when the turbine is
30 working under high pressure.
The valve 13b
keeps the high pressure steam from escaping be
fore entering the turbine. The relief valve 'l3c
keeps the back pressure on the reciprocating en
gines from increasing when working with the tur
35 bine.
There may be obtained, from within the cab,
a clear View of the track on both sides by the en
gineer or ñreman.
The condenser is located at the front of the
40 train as this is the coolest and most exposed place
for obvious reasons and is inclined to prevent
air resistance. The turbine and electric gener
ators are not placed here as there are no inde
pendent drive wheels for the forward section.
45 The water tank, boiler and coal are of course 1o
cated near together, and the forward motion of
the train adds to the draft in the ñrebox. The
engineer and fireman are located in the front of
the second section as the extreme front might
be the point of greatest danger, but this position
brings the fireman adjacent the ñrebox and coal
supply, and also gives a forward unobstructed
View. The air inlet located above the condenser
is at the hottest point of the latter and feeds to
the ñrebox.
What I claim is:
1. A streamlined locomotive including steam 10
generating means and a driving engine, connect
ing means to conduct the steam exhausted from
said engine to a secondary steam engine, connec
tions for the exhaust therefrom to a condenser,
said condenser forming a portion of the front 15
of the locomotive and being upstanding and rear
wardly inclined, an air intake line extending
through the upper portion of the condenser, an
air deflector overhanging said intake line and
adapted to pick up air deiiected upwardly from 20
the condenser of the locomotive.
2. A streamlined locomotive having an air de
flecting pilot, a grille thereabove and a condenser
immediately back of the grille and at the front of
the locomotive and forming a continuous surface 25
for de?lecting air upwardly, said pilot, grille and
condenser being upstanding and rearwardly in
clined and forming the front of the locomotive,
means to conduct exhaust steam to the condenser,
an air intake line extending through the upper 30
portion of the condenser, an air deflector project
ing forwardly from the top of the intake line and
adapted to direct air deflected upwardly by said
pilot and condenser into said line.
3. In a locomotive including steam cylinders 35
and their connections and driving wheels, a pilot
in front thereof and a grille above said.pilot,
forming an extension thereof and both inclined
rearwardly from the bottom to the top at an
upwardly slanting angle, a condenser inclined im 40
mediately back of said grille and extending from
immediately above the pilot to the top of the 1o
comotive, an air inlet pipe extending through the
top of the condenser and its upper portion ex
tending forwardly to form means for deflecting 45
air into said pipe.
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