US88178A - Improved locomotive drive-wheel - Google Patents
Improved locomotive drive-wheel Download PDFInfo
- Publication number
- US88178A US88178A US88178DA US88178A US 88178 A US88178 A US 88178A US 88178D A US88178D A US 88178DA US 88178 A US88178 A US 88178A
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- US
- United States
- Prior art keywords
- wheels
- driving
- locomotive
- wheel
- locomotive drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000003137 locomotive Effects 0.000 title description 14
- 238000010276 construction Methods 0.000 description 6
- 230000000875 corresponding Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000002459 sustained Effects 0.000 description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C7/00—Other locomotives or motor railcars characterised by the type of motive power plant used; Locomotives or motor railcars with two or more different kinds or types of motive power
Definitions
- Figure 2 aside view; Figure 3 a longitudinal partial section, in the line Figure 4, a transverse partial section, in the line y y of fig. 1. 1
- the only burden carried upon the axles c e of the driving-wheels is arectangular frame, g g g g, h h, 1', i, which is only ofsuffi'cient weight and strength to preserve the parallelism of said axles If a locomotive be supplied with only one pair of driving-wheels, the bearings of the axle thereof must be arranged and secured in such a manner as will in sure at all times the proper position of said axle relatively to the frameof-the locomotivc and its several supporting-wheels.
- the main frame of the locomotive which receives the boiler and the furnace, may be of the usual shape, or any other shape that may in practice be found to be preferable.
- the said frame is represented as being composed of the longitudinal sideplates K K, the end-plates L L, and the transverse connecting-pilates tn n.
- the combination of said frame with" the axles ff of the bearing-wheels G C may be effected by the employment of appropriate springs and journal-boxes, in
- Thesteam-cylinders employed for transmitting power to the driving-wheels, may be rigidly secured to the frame of the locomotive, or may be sustained in such a manner as to oscillate on central trunnions.
- the steam cylinders O O are represented as being supported on ti unnions, between vertical supporters p p, and as communicating power and.motion to the driving-wheels A A, through the medium of short double cranks, q q, the longer cranks, 'r r, and the side coupling-bars S S.
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
. W'. J. JOHNSON. LOCOMOTIVE DRIVE WHEEL.
No. 88,178, Patented-Map. 23, 1-869.
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WILLIAM-J. JOHNSON, OF- 'NEW ORLEANS, LOUISIANA. Letters-Patent No. ss,17s, dated March 23,1869.
' IMPROVED LOGOMO'I'IVB DRIVE-WHEEL.
n5 flchednle referred to in these Letters Patent and making part of the same.
. To allwhom itmayconcern:
Be it known that I, WILLIAM J. J omrson, of the city of N ew Orleans, in the parish of Orleans, and State of Louisiana, have invented a new and useful Improvementin Locomotive-Engines; and I do hereby declare that the following is a full and exact description thereof, reference being bad to the accompanying drawings, which form a portion .of this specification- Figure 1' being a top yiew;
Figure 2, aside view; Figure 3, a longitudinal partial section, in the line Figure 4, a transverse partial section, in the line y y of fig. 1. 1
Similar letters indicate corresponding parts ineach of the drawings.
-which enables the principal portion or the whole of the weight of the'engine to be borne upon the axles of small car-wheels O O, which rest and run nporrthe inner periphery of the rims of the driving-wheels A A, whilst the latter rest upon and travel over the rails in the usual manner. 'The said driving-wheels A A are kept upon the railway-track by means of the usualflanches. The smaller bearing-wheels O Q are kept in their proper positions within the driving-wheels. by means 'of suitable flanchcs.
The only burden carried upon the axles c e of the driving-wheels is arectangular frame, g g g g, h h, 1', i, which is only ofsuffi'cient weight and strength to preserve the parallelism of said axles If a locomotive be supplied with only one pair of driving-wheels, the bearings of the axle thereof must be arranged and secured in such a manner as will in sure at all times the proper position of said axle relatively to the frameof-the locomotivc and its several supporting-wheels.
The main frame of the locomotive, which receives the boiler and the furnace, may be of the usual shape, or any other shape that may in practice be found to be preferable.
In the accompanying drawings, the said frame is represented as being composed of the longitudinal sideplates K K, the end-plates L L, and the transverse connecting-pilates tn n.
. The combination of said frame with" the axles ff of the bearing-wheels G C, may be effected by the employment of appropriate springs and journal-boxes, in
.any well-known or usual manner.
I to said wheels.
.represented in the accompanying drawings, or steamherein set. forth.
Thesteam-cylinders, employed for transmitting power to the driving-wheels, may be rigidly secured to the frame of the locomotive, or may be sustained in such a manner as to oscillate on central trunnions.
In the accompanying drawings, the steam cylinders O O are represented as being supported on ti unnions, between vertical supporters p p, and as communicating power and.motion to the driving-wheels A A, through the medium of short double cranks, q q, the longer cranks, 'r r, and the side coupling-bars S S.
, The enlarged driving-wheels inmy improved locomotive-engines will probably make it expedient to employ cranks of longer radius for communicating power This can be effected in the manner cylinders having-a longer stroke. of piston may be employed, and the piston-rods of said cylinders be connected to the driving-wheels-by means of the usual or any other sliding and coupling-apparatus.
The advantages that will result from the lowering of the centre of gravity in locomotive-engines are too numerous and too palpable to require explanation or elaboration. The bringing of the principal portion, or the whole of the weight of the locomotive, to bear directly upon the inner periphery of the rims of the driving-wheels, must add greatly to the stability and steadiness of motion of the locomotive, and consequently enable it to be safely run at a much higher velocity than it would be safe to run any locomotive of the usual construction.
In the construction of my improved locomotive-ehgine, I do not intend to restrict myself to precise proportions of parts, or details of construction, as the same may be considerably varied without departing from the nature'aud spirit of my invention.
Harln g thus fully described nryimproved locomotiveengine,
What I claim therein as my invention, and desire to secure by Letters Patent, is-- l. The arrangement of certain of the parts thereof, by whiclra portion or the whole of the weight of said engine, is borne upon the axles of small car-wheels, which rest and run upon the inner periphery of the rims of the driving-wheels,substantially in the manner and for the respective purposes herein set forth.
2. When the principal portion, or-the whole of the weight of a locomotive-engine, is made to bear upon the axles of car-wheels which rest aud run upon the inner periphery of the rims. of the driving-wheels thereof, I also claim the combination of the steam-cylinders O 0 with a lid driving-wheels, through the medium of the short cranks q q, the longer cranks N, and the side coupling-bars S S, substantially in the manner -W. J. JOHNSON.
Witnesses:
Z. (J. Ronn'rns,
A. M. SrounJ r.
Publications (1)
Publication Number | Publication Date |
---|---|
US88178A true US88178A (en) | 1869-03-23 |
Family
ID=2157661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US88178D Expired - Lifetime US88178A (en) | Improved locomotive drive-wheel |
Country Status (1)
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US (1) | US88178A (en) |
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- US US88178D patent/US88178A/en not_active Expired - Lifetime
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