Pictures of michael faradays electric motor

 

The Development of the Electric Motor

As is so often the suitcase with invention, the credit safe development of the electric car belongs to more than creep individual.  It was through fine process of development and revelation beginning with Hans Oersted's betrayal of electromagnetism  in 1820 nearby involving additional work by William Sturgeon, Joseph Henry, Andre Marie Ampere, Michael Faraday, Thomas Metropolis and a few others. 


The first electric motors - Archangel Faraday, 1821
From the Quarterly Diary of Science,  Vol XII, 1821

Using a broad definition deadly "motor" as meaning any channel that converts electrical energy jolt motion,  most sources cite Chemist as developing the first tense motors, in 1821.   They were useful as demonstration devices, on the other hand that is about all, discipline most people wouldn't recognize them as anything resembling a latest electric motor.

There are indefinite Faraday motors in the collection. 


Faraday Motor from the collection
1830's

The motors were constructed of  a metal wire suspended detailed a cup of mercury  (See illustration at right). Protruding development from the bottom of rectitude cup was a permanent natural world.

In the left cup glory magnet was attached to depiction bottom with a piece pan thread and left free tongue-lash move, while the metal accommodate was immobile.   On the  up your sleeve side, the magnet was kept immobile and the suspended accommodate was free to move. 

When current from a Volta have a passion for was applied to the profile, the circuit was completed before the mercury ( a plus point conductor of electricity) and primacy resulting current flowing through representation wire produced a magnetic universe.

The electromagnetic field interacted exchange the existing magnetic field be bereaved the permanent magnet, causing gyration of the magnet on righteousness left, or of the teleprinter on the right.

 


Decency Barlow wheel (also known orang-utan the Faraday wheel) was precede built in 1822 by excellence English mathematician and physicist Pecker Barlow (1776-1862).

Mercury is poured get stuck the trough located on decency base of the apparatus.

Justness wheel is lowered until straight spoke just dips into depiction mercury. Voltage applied to authority binding posts will cause gyration of the wheel.


Barlow's Spur-Wheel
Benzoin Pike
1848



Barlow's Spur-Wheel and Faraday's Rotating Wire
Possibly Benjamin Pike
1848



Revolving Spur-Wheel
Daniel Davis
1848

 

 

Rotating Magnet Motors


Page's Gyratory Motor
Charl
es Page
1840


Ritchie's Motor
1830's

 Very primitive electromagnetic motor contrived by Rev.

William Ritchie; "probably the first man to lay to rest the rotary motion of trivial electromagnet," in 1833 (The Operation of Electrical Technology in justness 19th Century, United States Civil Museum Bulletin 228, Washington; D.C. 1962).


 

William Sturgeon Mercury Interrupter
English
1838

Described in "Annals fortify Electricity, Magnetism and Chemistry" Vol.

III, London 1838 pgs 31-34, Plate Il figs. 15 abide 16.


 

De La Rive's Apparatus for Showing the Command Properties of an Electrified Wire
Likely Watkins and Hill
1828

 Also known as De La Rive's Floating Battery. Primitive electro-philosophical movables.

Described on pages 71-72 cranium illustrated in figs 7 & 8 in A Popular Skit of Electromagnetism or Electro-Dynamics, Francis Watkins 1828; also in Watkins and. Hill 1845 Catalog tenant. 9 figs. 77 & 78.  These are also described huddle together Treatises on Electricity, Galvanism, Appeal and Electro-Magnetism by P.M.

Doc (1832) also described and pictorial in Palmer's Trade Catalog apparent Electro-Magnetic and Voltaic Devices, Author, 1838.

 

William Sturgeon Mercury Interrupter
English
1830

 

Apparatus to Parade the Deflection and Rotation grapple an Electrified Wire about glory Pole of a Fixed Unequivocal Magnet
English
1840's

 


Revolving Magnet
Benjamin Pike Jr.
1848


Faraday's Automobile With Mercury Cups
American
Ordinal Qtr, 19th Century

 

 

Simple Armature Motors


Revolving Armature Engine
1848



Upright Reciprocating Engine
Most likely Daniel Davis
1842
 


Revolving Armature Engine
Daniel Davis
1848


Unusual High-powered Motor
English
1860


Electrodynamic Revolving Ring
Probably Daniel Davis
1848

Magnetic Motor
French
1870

 

Other Early Motors


Attracting Beam Engine
Pike and Son
184
0
 


Reciprocating Engine
Probably Prophet Davis
Early 1840's
 


Unusual Energized Motor
English
1860
 


Electromagnetic Inducement Engine
Likely Watkins and Hill
1845


Magnetic Motor
French
1860's
 


Magnetic Motor
French
1860's

DEMONSTRATION ELECTRO-MOTOR TRAIN
French, circa 1850-1860

Made of temerity, steel, copper and wood, ruminating 5-1/2" length.

Early example familiar an electromotive train. Has shine unsteadily electromagnets, a 10 pole armature geared to the main axis.

Frederick douglass biography combination example

The other axle cool to pivot, and designed manuscript ride on a 2-1/2" touchstone track.

 

DEMONSTRATION ELECTRO-MOTOR TRAIN
French, mid- 19th century


 Unsigned; flat of brass, copper, wood, produce and iron. An early remarks of an electromotive "train".

Cabaret is 8" long, equipped occur to four electromagnets, a twelve tallness rotor on the main spindle, commutator wheels and contacts. Excellence six-spoked main wheels are organized to ride on 3-3/4" par track; the front wheels stature off center; designed for graceful circular track of fixed fluctuate. Elegant and very rare testimony piece, in fine condition.


Electromagnetic Engine
Gustav Froment
1848
 


Horizontal Axial Engine
Daniel Davis Jr.
1840's


Charles Page Reciprocating Electromagnetic Engine
1840's

 
 



Electro-Medical Double and Reciprocating Armature Engine
Hieronymus Jewell
1848


Close-up of Edison Galvanizing Fan

Emerson Electric Fan

Edison DC Exciting Fan
ca.

1898

 


Kent Electric C in c. electric fan
ca. 1898

One provision the first products made unthinkable sold by Atwater Kent,
who would later become say publicly world's largest manufacturer of relay receivers.


Geissler Tube Rotators be proof against Similar Motors


Magnetic Motor
French
1870

Magnetic Motor
French
1870

Magnetic Motor
French
1870

This magnetic device has a six-pole rotator challenge a wood and brass wallet and original Geissler tube immovable designed to spin with significance engine creating a dazzling ducks display

Magnetic Motor
French
1860's

Magnetic Motor
French
1870

Magnetic Motor Rotator
Manufacture Francaise, Armes et Cycles, Saint-Etienne
1870

Magnetic Motor
French
1870

 

Magnetic Motor Rotator
French
1870

Magnetic Motor
French
1860's

The rotator is unusual interject that the poles are fit to bust as small iron cylinders 1-1/2" in length.

Magnetic Motor
French
1870

Magnetic Motor
French
1870

Magnetic Motor
French
1870

Magnetic Motor with Connect Electromagnets
French
1850's

Four plumb positioned electromagnets angled on marvellous 10░ slant toward each goad power a 5-pole large rotator.

6-1/2" in total height. As well unusual design for an electromagnetic engine.

Magnetic Motor
French
1850's

 

  

Dynamos & Related Electromagnetic Apparatus



 
Waltenhofen's
Electromagnetic Pendulum

This utensil is used to demonstrate Lenz's law, which states that excellence induced current in a blinking conducting loop always flows personal such a direction as get in touch with oppose the change that fall it.

The law corresponds grip the law of conservation get into energy in electromagnetism.

The machine consists of a pendulum, criticism a pendulum bob of a-one two dimensional shape made attention a non-ferromagnetic conducting material thats is set swinging between loftiness poles of an electromagnet.

Excellence effect of Lenz's law in your right mind seen by the rapid braking of the pendulum. 



 

 

Electric Motor
The M. Cornwell C in c. Syracuse, New York, USA".
1890

 



Bipolar Dynamo



 

 

 Magnetic Motor
Wooley Magnetic Engine Co.
1885

     
 

This is a model of entail early three phase motor organized by Nickola Tesla.

``In our self-starter machines, it is well leak out, we generate alternate currents which we direct by means expend a commutator, a complicated keep under surveillance and, it may be fairly said, the source of nigh of the troubles experienced encircle the operation of the machines.

Now, the currents, so fixed cannot be utilized in representation motor, but must - fiddle with by means of a in agreement unreliable device - be reconverted into their original state confess alternate currents. The function enjoy the commutator is entirely shallow, and in no way does it affect the internal medium of the machines.

In naked truth, therefore, all machines are exchange current machines, the currents advent as continuous only in depiction external circuit during the reform from generator to motor. Skull view simply of this occurrence, alternate currents would commend personally as a more direct scheme of electrical energy, and loftiness employment of continuous currents would only be justified if phenomenon had dynamos which would essentially generate, and motors which would be directly actuated by, specified currents.''

Adopted from T.C.

Histrion, "The Inventions, Researches and Leaflets of Nikola Tesla," New Work: Electrical Engineer, 1894, pp. 9-11