US273490A - edison - Google Patents
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- US273490A US273490A US273490DA US273490A US 273490 A US273490 A US 273490A US 273490D A US273490D A US 273490DA US 273490 A US273490 A US 273490A
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- Prior art keywords
- cars
- train
- car
- motors
- coils
- 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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- 230000001070 adhesive Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001808 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005520 electrodynamics Effects 0.000 description 2
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H19/00—Model railways
- A63H19/02—Locomotives; Motor coaches
- A63H19/10—Locomotives; Motor coaches electrically driven
Definitions
- My invention relates to electric railways; and it consists primarily in utilizing the weight of all the cars of a train, or of two or more of such cars, for giving drawing-power, while the whole train is still controlled from a single point.
- An electric locomotive is usually very light compared with those in which steam is used, and therefore exerts but little adhesive force upon the rails, therefore when a heavy train is in use the driving-wheels are likely to slip, and the full benefit of the tractive power is not obtained.
- the preferable way of accomplishing this object is as follows:
- Each car, or each truck of a car is provided with two or more electro-dynaniic motors,whose armatures are connected mechanically with the axles of the cars, so as to transmit motion thereto. All the armature-coils and all the field-magnet coils of the motors on the train are connected either in series or in multiple arc.
- the brushes which take current from the wheels on one side of the train may be on the forward car and those of the other side on the rear car, or both sets of brushes may be on the forward car.
- the current is preferably taken from two or more wheels of a car (instead of from one wheel) for each pole of the motor, the brushes used for this purpose beingcarried byaninsulating-arm,alongwhich the conductors run.
- the adjustable resist ance for slowing down the train and the circuit controllers and reversers for all the circuits are placed on the forward car, so that the entire train may be controlled from that point.
- only certain cars of the train may be so constructed; or all the cars maybe provided with motors, and only the motors of enough cars to give the necessary adhesive and tractive power connected up.
- the coupling devices for completing the electrical circuits will preferably be located at the ends of the cars, and will be so constructed and arranged that the simple coupling of opposing parts will complete the necessary circuits.
- Figure l is a side elevation, showing two cars provided with motors.
- Figs. 2, 3, and 4 are top views, showing the electrical connections in diagram of the preferred form of my invention.
- the framework of the two cars is omitted in these figures for the sake of clearness.
- a and B are the two cars.
- 0 and D, Figs. 1, 2, 3, and a, are electro-dynamic motors mounted upon said cars, and having their armatures properly connected with the caraxles.
- the wheels at of the cars may all be constructed with rims insulated from their hubs, or only those on one side of a car need be so constructed.
- the brushes or springs which take current from the wheels are placed one on the front, the other on the rear car, while in Fig. 4 both brushes are on the first car.
- the arn'iature-coils of the motors are all in series, and so are the field-magnet coils.
- the armature-coils are in series, and the field-magnet coils in multiple arc, while in Fig. 4 both the armature-coils and the fieldcoils are in multiple arc.
- the armature-coils could of course be placed in multiple arc and the field-coils in series, if desired.
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Description
(No Model.)
T, A. EDISON.
BLBOTRO MAGNETIC RAILWAY SYSTEM.
No. 273,490. Patented Mar.6, 1883.
INVENTOR W BY M7 ATTORNBY% N, PETERS. mvum w, Washington. D. C
UNITED STATES PATENT OFFICE.
THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY.
ELECTRO-MAGN ETiC RAILWAY SYSTEM.
SPECIFICATION forming part of Letters Patent No. 273,490, dated March 6, 1883.
(No model.)
To all whom it may concern:
Be it known that I, THOMAS A. EDISON, of
Menlo Park, in the county of Middlesex and State of New Jersey, have invented a new and useful Improvement in Electro-lllagnetic Railway Systems, (Case No. 431;) and I do hereby declare that the following is a full and exact description of the same, reference being had to the accompanying drawings, and to letters of reference marked thereon.
My invention relates to electric railways; and it consists primarily in utilizing the weight of all the cars of a train, or of two or more of such cars, for giving drawing-power, while the whole train is still controlled from a single point. An electric locomotiveis usually very light compared with those in which steam is used, and therefore exerts but little adhesive force upon the rails, therefore when a heavy train is in use the driving-wheels are likely to slip, and the full benefit of the tractive power is not obtained. To obviate this is the object of my invention. The preferable way of accomplishing this object is as follows:
Each car, or each truck of a car, is provided with two or more electro-dynaniic motors,whose armatures are connected mechanically with the axles of the cars, so as to transmit motion thereto. All the armature-coils and all the field-magnet coils of the motors on the train are connected either in series or in multiple arc. The brushes which take current from the wheels on one side of the train may be on the forward car and those of the other side on the rear car, or both sets of brushes may be on the forward car. The currentis preferably taken from two or more wheels of a car (instead of from one wheel) for each pole of the motor, the brushes used for this purpose beingcarried byaninsulating-arm,alongwhich the conductors run. The adjustable resist ance for slowing down the train and the circuit controllers and reversers for all the circuits are placed on the forward car, so that the entire train may be controlled from that point. Instead of providing all the cars with motors, only certain cars of the train may be so constructed; or all the cars maybe provided with motors, and only the motors of enough cars to give the necessary adhesive and tractive power connected up. The coupling devices for completing the electrical circuits will preferably be located at the ends of the cars, and will be so constructed and arranged that the simple coupling of opposing parts will complete the necessary circuits.
In the accompanying drawings, Figure l is a side elevation, showing two cars provided with motors. Figs. 2, 3, and 4 are top views, showing the electrical connections in diagram of the preferred form of my invention. The framework of the two cars is omitted in these figures for the sake of clearness.
A and B are the two cars. 0 and D, Figs. 1, 2, 3, and a, are electro-dynamic motors mounted upon said cars, and having their armatures properly connected with the caraxles. The wheels at of the cars may all be constructed with rims insulated from their hubs, or only those on one side of a car need be so constructed.
In Figs. 2 and 3 the brushes or springs which take current from the wheels are placed one on the front, the other on the rear car, while in Fig. 4 both brushes are on the first car. In Fig. 2 the arn'iature-coils of the motors are all in series, and so are the field-magnet coils. In Fig. 8 the armature-coils are in series, and the field-magnet coils in multiple arc, while in Fig. 4 both the armature-coils and the fieldcoils are in multiple arc. The armature-coils could of course be placed in multiple arc and the field-coils in series, if desired.
On one car, A, of a train are placed the adjustable resistance E and circuit controller and reverser F, which are fully explained in another application made by me. They are so arranged as to afloat all the circuits of the train.
What I claim is 1. The combination, in an electric railwaywith the circuits of all of said motors, substantially as set forth. [O This specification signed and witnessed this" 9th day of June 1882.
THOS. A; EDISON.
Witnesses:
B10111). N. DYER, EDWARD H. PYATT.
Publications (1)
Publication Number | Publication Date |
---|---|
US273490A true US273490A (en) | 1883-03-06 |
Family
ID=2342719
Family Applications (1)
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US273490D Expired - Lifetime US273490A (en) | edison |
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US (1) | US273490A (en) |
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