US965639A - Electrically-operated switch. - Google Patents

Description

Il A: LUNDEEN BGTMGAL'LY OPERTBD SWTE.

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.A PPL TIGR FILED WIT NE 88E S STATES PATENT JOHN A. LUNDEEN, OF EDGEWOOD PARK, PENNSYLVANIA.

ELEo'rRioALLY-OPERATED SWITCH.

To'allwhomit may concern:

Be it known that I, JOHN A. LUNnnnN, av citizen of the United States, and a resident of EdgewoodPark, in the county of Allegheny and State of Pennsylvania, hai-'e ini vented "anew land Improved Electrically- A @perated Switch, of which the following is al full, clear, and ex'aet description.

- invention relates to electrically-op lolperat'edswitches, my more particular purpose y hei-ng'to produce Aa. device of this kind havl.mg certain eonstructional advantages hereinafterdesc'rbed. I

More specificall stated, my invention- 1"5 compi-ellende Aan .e ectrically-operated lever t0 be connected with a valve or the like, to be .actuated 'occasionally in one direction -whenone circuit is closed, and in the opposite-direction when another circuit is closed.. 210.1. My invention further :oinprehends means A vcontrollable at 'will for adjusting the play l ofthe aforesaid lever'. A i Reference is tov be had to the accompany ing; drawings forminga part of this speci- Vtication, in which sin'1ilar-characters of reference indicate corresponding parts in the Vffrvlree i' Ei ure -1 is a view partly in plan and port y in section, showing my improved 31).` controller as connected with a piston valve in such manner as to open andclose the saine when the various-v of magnets of the controller are energized; andFfig.- 2 is a suhstantially vertical-section upon the line 2-2 35.?,- ojf"1 f`=ig.y l, looking in the direction of the aarow'tv'and'showing the means for adjusting the-play of themovable lever. Fig; Bis a diagram of the Wiring.

-Atf3`is shown a. valve cylinder and con wf nectedwith it-are pipes 4, 5. At"6 ;is a-piston which may control a supplyy of steam, a liquid 'or a gas, as the case may be, which is adapted under proper conditions to pass into the valve casing 453 through the pipe 4 and to page out of said .Valver'asing through thepipe 5.

A't 7 isa.l by-pass for. relieving back pres-v surev .upon the, piston G. l At 8- 's avalvesten which is connected 5191i tithe-lever 9, this leverfbcingmounted vn pon a'pivotv in 10 anilin electrical communication wit a.w=i1-e1l. i

Mounted uponthelever 9 is a contact y plateland-disposed uponopposite sides 5 6@ thereoffare.contactsprings 13. 14.

Specication of Letters Patent.

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Application filed .Tune 30, 1909. Serial No. 505,209.

At- 15, 1G are posts and extending through the .same are screws 1 7. itl.. Adjacent to the posts l5, lf3 are plates 1 0, 2d oi insulating material. The Wire 11 leads directly to a binding post 21 which is insulated from the hase and supports a imtallie" pla(e Q2 which one at a time hy the lever 9.

Magnets 27, 28 are disposcdnpon 0ppm site Sides of the lever 9, and connected With. these' magnets are wires 2t), 3 Each of--v these magnets Q7, '2S is provided with a COP` per tuhetl encircling its core. The purpose of this arrangement is to render the action ot the magnet sluggish and cause the armature when attracted hy these magnets to travel positively all oi the dist-ance necessary to make a complete stroke of the armature. This construction of magnet gives the armature S1- a. long and positive movement.

Mounted upon opposite' sides ofthe spool- 23 are nuts 24, 24, which are threaded iii terna-Hy and fitted upon the valvel stem 8, the latter being threaded externally for this purpose. By adjusting the nutsft, 2l, thel general position of the valve piston may he controlled Within certain limits, and this adjnStme't, itWill be noted, is independent of any adjustment ofthe lever t) brought about by aid ofthe screws 17, 18. The wire 30 connectedwith a. l'rindii'ig post- 31 and thewire is similarly connected with a binding post 32, these binding posts being' in electrical oonnnunication with thecontact' springs 13, 14. The lever 9 is provided with a comparatively thick portion 31 of soft iron which serves as an arma-ture for the two magnets.

At 35,34 are Wires which are connected with binding posts 35, 3G, these binding,

postscommunicating by aid of wires 37,' 38' with the magnets 37, 28. lractically'allvof the parts above mentioned are supported. upon a base B9-of metal, thevalvecylin'der 3 being integral with thisbase, as will be` understoodfrom Fig..2.` I do notlimit-my-p l SelffhoWever, to this particular constructionr At 40 is a battery and at 41 is a therme stat for closing a circuit from the battery 410 through either the Wire 33 or thc Wire 34, as the case may be.

The operation ot' my device is as follows: The wires 11, 33 and 34: being connected with the thermostat and one or more open circuit batteries (not shown) in a manner already known in the art, the screws 17, 18, are adjusted and the device is ready for use. I Will suppose that at the start the lever 9 is in the position illdicated in Fig. 1 and that the action of a thermostat, or any other suitable device, completes a circuit, external to the device shown in Fig-1, from the wire 1l. to the Wire 34. This circuit may be traced as follows: Battery and thermostat (not shown), Wire 11, armature 3l, lever 9, contact pla'te 12, contact spring 13', binding post 3l, Wire 30, magnet 28, Wire 38, binding post 36, Wire 34:, back to battery and thermostat. This energizes the magnet 28 which there* upon attracts the armature 31 and moves the lever 9 so that the contact plate 12 disen gages the contact spring 13 and engages the4 contact spring 14:. The disengagement of the plate 12 from the contact spring 13 opens the circuit just traced and this remains open for a time, owing to the condition of the thermostat. Consequently, the lever 9 now 'remains motionless in its new position 4until another circuit is completed (by aid 'of the thermostat), this circuit being as follows: Battery and thermostat (not shown), Wire 1l, plate 22, armature 31, lever 9, contact plate 12, contactspring 14, binding post 32, wire 29, magnet 27, Wire', binding post 35, Wire 33, back to battery and thermostat. This circuit energizes the magnet 27 and causes it to attract the armature 31, thereby `restoring the lever 9 to its' origi nal position indicated in Fig. 1. Eachinovement of the lever 9, by shifting the position of the piston opens or closes' the pi e 4 which, as above stated, may be employe for admitting steam, gas or -any other uid or aeriform body into the casing 3. The move- -ments of the piston 6 thus control communi -cation between the inlet pipe 4 and the -outlet pipe 5. In a' building to be1heated,-for

lnsta'nce, the pipe 4 may 'admit steam into the casing 3, this steam passing out through two subscribing the pipe 5 te heating system. It', now, the electric circuits above described be under control of athermostat, it is obvious that changes in temperature, by affecting the Y thermostat, may control the supply of steam.

I do not limit myself in all instances to the exact construction shown, for the reason that equivalents for the various parts may be employed' Without departing from the spirit of my invention.

The operator, by turning the screws 17, 18, may adjust vl'ithin reasonable-limits the travel of the lever 9 and consequently the travel of the valve piston G, which is itself separately adjusted so as to close the valve completely or partially, as desired. In doing this, he may regulate the travel of fluid through'the pipes 4, 5. i

The operator, by turning the nuts 24 and thus adjusting the spool 23 relatively tothe stein 8, may to some extent control the posi tion of the valve relatively Vto its casing and may do this .to some extent independently of the adj ustmcnt of the screws 17, 18.

Having thus described my invention, I claim as new and desire to secure by Letters Patent.'

' The combination of a base, a valve casing mounted thereupon, a valve mounted Within -said casing and slidable in a direct-ion ooaxial therewith, a stem for said valve, a head carried by said stem, a lever connected With said head, means for adjusting said le ver relatively to said stem for the purpose of affecting the stroke 'of said valve, said lever being provided Witha portion serving as an armature, a pair ofmagnetic members for retracting said, armture and thereby ac` tuating said lever, a air of contacts to be opened and closed 'c movements'ofsaid lever, connections.'A magnetic memb A to control sai agnetic members, and means controllable i' will for regulating the play orly wvhereof have nametoj' his specification 1n the Wltnesses'. y-

Jointv "in LUNnE'EN.

signed my presence of Witnesses:

H. E. CARMACK, ELIZABETH F. CARMAQK.

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