US93689A - Improvement in electro-magnetic engines - Google Patents

Improvement in electro-magnetic engines Download PDF

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US93689A
US93689A US93689DA US93689A US 93689 A US93689 A US 93689A US 93689D A US93689D A US 93689DA US 93689 A US93689 A US 93689A
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K33/00Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/02Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
    • H02K33/10Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs wherein the alternate energisation and de-energisation of the single coil system is effected or controlled by movement of the armatures

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  • platfornrfor table A Upon a proper pedestal, platfornrfor table A, is mounted and permanently secured a tri-pole electromagnet B B' B", the central pole B', of which, is pro# vided with -a curved top, while the side/poles B and B are provided with corresponding curved but more extended heads 1 D, which curved extended heads, it will be ohser.ved, ⁇ subserve the purpose of guide* ways for the hollow cylindrical armature C, which is 'placed on top ofthe same, and between lwhich and the 'said extended heads 'of the exterior poles B and B" there must be a continual and perfect contact, in order that the magnetism developed or induced by the battery (which latter is not 'shown on the draw-1 ing) may he utilized and applied' to the best advantage,
  • This cylindrical armature is made hollow, to reduce its weight and friction, as well as to facilitate its at traction by the central pole B of the magnet, by conining the whole indncingepower of the magnet to its surface.
  • E Eis a vibrating or oscillating frame.; (the points of articulation being at c and c', at rnear the base ofthe magnet, which said. framestraddlcs,)in which the armature' O is sustained on a central axis, F,
  • :K is' a. double -eccentric,'or cam, that isplaced on the exp of the fly-wheel Gpto operate the springcommutators L and M, and through them to fulfil the function of closing the circuit at the beginning of each stroke, and breaking said circuit when the armature is at about'the centre of the heads D D, or in a position that'isover-the perpendicularxaxis of the magnet, allowingthe armature-and oscillating frame' to'complete the stroke-by its momentum in a manner analogous to the cut-01T in a 'steam-engine.
  • the armature C and vibrating frame E E are thus -caus'ed to oscillate to and fro and transmita rotary mot-ion to the c iank J and'y- ⁇ vl1eel G, through the pitman H.
  • av needle-bar, V, v that isoperated by a crauk-jpin, i, that takes iirtoa horizontally elongated slot 2, (see iig. 1,) at the upper extremity ofsaidbar, or any suitable 'direct connection with the needle-arm of any ordinary sewingmacbine.
  • l employ a projecting conductor or head, m., a nou-conducting head, n, withan ordinary switch or'strip of metal, N, which is provided with an ivory orother suitable non-conducting knob or handle, nf.
  • I uorder to regulate the speed of the machine, without breaking the circuit of the battery,I employ a friction-arm, W', in connection with a treadle-lever, 2: A depression .of said treadle-lever brings the frictionarm, at its upper end, which is provided with a curved brake, in contact. with the axis O' ofthe fly-wheel, and by tiactive power effects the object.
  • A. suitable battery is connected withthe' machine in any usual manner by conducting-wires, and it is ready for use.
  • the tri-pole magnet having its central pole B formed with a curved top, while the side poles BB" are provided with corresponding curved but more extended heads D D,v in the manner and ⁇ for the purpose as described.
  • the electro-magnetic machine as herein described, as a whole," in conibination with a sewing-mathe means substantially as herein described, and. the motion of the needle is controlled by means ot' a friotion-arxn or brake, W, operated by a treadle-lever, z,

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Description

A. E. DUPAS.
Electro Magnetic Engine.' 93,689. Patented Aug. 17,- 1869.
WLH asses; dg
We@ l dlnitnl Cne-tet @anni (niita Letters Patent No. 93,689, .dated August 17, 1869.
IMPROVBMENT IN ELECTRQ-.MAGNETIC ENGINES.
The Schedule referred to in these Letten Patent and making part ofthe same.
Ta all whom it may concern Be it kn'own that I, A. E.-DurAs, of Paris, France, but now residing in the city ot' New Orleans, State of Louisiana, have invented a certa-in new, 1 rseful, 'and improved Electro- Magnetic Machine, and inode of connecting the same as a motor to sewing-machines; and I do hereby declare the following to be a clear, full, and exact description of the same, reference being had to the annexed dra\\'ings,.rnaking a part of this specification, in which- Figure 1 is a side elevation, and' Figure 2 an end view of said improvement.
The especial object. of' my invention is to create a motor for sewing-machines, which' will operate them more economically than can be donc by any=.other motive-power, but my invention can, with equal advantage, be applied to a variety of lother economic uses, that need not lrereir'r be specified, whereiua moderate degree of power only is required tobe brought in toaction and considerations of economy have any weight.
The natureof my invention will be abest indicated by a description of its construction and nrode of operation, which will at once disclose the same, and showl that my combination and arrangement ofthe parts 4of which my machine is `composed dispense entirely with the heavy,.rigid, and' cumbrcus membersheretofore considered indispensable in electro-magneticmachines, and that hence an increased quantum of power is developed for transmission and useful application to whatever machine it may be employed to operate', whether sucltransmission be ina directand positive manner or through the agency of intermediate gearing;
But this description can be better given, and my invention be more readily and quickly understood, by referring to the drawings, on which the saine letters denote thesame parts at bothtlie figures.
Upon a proper pedestal, platfornrfor table A, is mounted and permanently secured a tri-pole electromagnet B B' B", the central pole B', of which, is pro# vided with -a curved top, while the side/poles B and B are provided with corresponding curved but more extended heads 1 D, which curved extended heads, it will be ohser.ved,`subserve the purpose of guide* ways for the hollow cylindrical armature C, which is 'placed on top ofthe same, and between lwhich and the 'said extended heads 'of the exterior poles B and B" there must be a continual and perfect contact, in order that the magnetism developed or induced by the battery (which latter is not 'shown on the draw-1 ing) may he utilized and applied' to the best advantage,
This cylindrical armature is made hollow, to reduce its weight and friction, as well as to facilitate its at traction by the central pole B of the magnet, by conining the whole indncingepower of the magnet to its surface.
E Eis a vibrating or oscillating frame.; (the points of articulation being at c and c', at rnear the base ofthe magnet, which said. framestraddlcs,)in which the armature' O is sustained on a central axis, F,
shown transversely across the heads DID, in such 'a manner as 'to keep thes'a-d'armature in lclose and` perfect contact with the said'heads.
-This vibrating frame'E E constitutes the mechanical instrumentality, -through the agency of which motion is commrnricated to the ily-wlreel G by means ofthe connecting pitman H andthe crank J, and by which I am enabled 'to dispense witb, as wholly unnecessary, the heavy and cumbrous frame-work that is employed for the like purpose in al1- existing electromagnetic machines of which I have any knowledge.
:K is' a. double -eccentric,'or cam, that isplaced on the avis of the fly-wheel Gpto operate the springcommutators L and M, and through them to fulfil the function of closing the circuit at the beginning of each stroke, and breaking said circuit when the armature is at about'the centre of the heads D D, or in a position that'isover-the perpendicularxaxis of the magnet, allowingthe armature-and oscillating frame' to'complete the stroke-by its momentum in a manner analogous to the cut-01T in a 'steam-engine.
The armature C and vibrating frame E E are thus -caus'ed to oscillate to and fro and transmita rotary mot-ion to the c iank J and'y-\vl1eel G, through the pitman H.
To make a direct application of my electro-magnetic machine as, a. motor-to operate a sewing-machine, nothing further is necesszn'y than to extend the avis 0f ofthe ily-wheel G, as'. shown at o, fig. 2, first providing a lateral supporting-arm, R,ha)inga vertical standard, S, in which to mount a proper journal-box, and a pendent ar1nT, baving projecting bentsvu u,
to serve as guide-ways for. av needle-bar, V, vthat isoperated by a crauk-jpin, i, that takes iirtoa horizontally elongated slot 2, (see iig. 1,) at the upper extremity ofsaidbar, or any suitable 'direct connection with the needle-arm of any ordinary sewingmacbine.
To start and to stop the machine, l employ a projecting conductor or head, m., a nou-conducting head, n, withan ordinary switch or'strip of metal, N, which is provided with an ivory orother suitable non-conducting knob or handle, nf.
These, after proper insulation from each other, when the platform A is of-nretal, are secured upon said platform, as shown upon the drawings, so that when the macbine'is to be pnt in operation, the operator will only have to push thc switch N by the handle n', upon the head m, to' close the circuit of the battery,
while, to stop the machine, the switch will have to be pushed upon the non-conducting head n, to breakthe 'circuit ofthe battery.
I uorder to regulate the speed of the machine, without breaking the circuit of the battery,I employ a friction-arm, W', in connection with a treadle-lever, 2: A depression .of said treadle-lever brings the frictionarm, at its upper end, which is provided with a curved brake, in contact. with the axis O' ofthe fly-wheel, and by tiactive power effects the object. v
A. suitable battery is connected withthe' machine in any usual manner by conducting-wires, and it is ready for use. v l
I have demonstrated, by actual experiment, that my machine will drive a sewing-maching for twelve hours continuously, ata cost of less than forty cents.
Having thus described my invention,
What I claim, and desire to secure by. Letters IPatent,ris-
1. The tri-pole magnet having its central pole B formed with a curved top, while the side poles BB" are provided with corresponding curved but more extended heads D D,v in the manner and` for the purpose as described.
vided with a central axis, F, or its equivalent, for the purposes herein described. l 3. The combination ofthe tri-pole magnet B B Bf', with thc oscillating frameE E, and the rotating hollow cylindrical armature C, as herein stated, to operate as described. 4. The above combiuatiorn'in combination withpitman H, clank J, -ywheel G, double eccentric K, and commutators L and M, when these parts are contrncted, am nged, and operate substantially as set ort-h.
5. The electro-magnetic machine, as herein described, as a whole," in conibination with a sewing-mathe means substantially as herein described, and. the motion of the needle is controlled by means ot' a friotion-arxn or brake, W, operated by a treadle-lever, z,
2. The rotating hollow cylindrical armature C, pro.
chine, when the two are united inthe manner and by-
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