US1031874A - Device for automatically closing cocks and the like. - Google Patents

Description

K. V. ROTZOV. DEVICE FOR AUTOMATICALLY CLOSlNG eocxs AND THE LIKE.

APPL CATION FILED JUNE30,1910.

Patented July 9, 1912.

UNITED s'ra'rns KNUD VALDEMAR ROTZOV, OF MALMb,

SWEDEN.

DEVICE FOR AUTOMATICALLY CLOSING COCKS AND THE LIKE.

Application filed June 30, 19107 Specification of Letters latent.

Patented July 9,1912.

Serial No. 569,687.

1 all zebra/1.1612203 ('OIUFJ'IL.

Be it known that l. Kntin Vanocnan Rorzov. subject of the King of Denmark, residing at .\lahno. Sweden, have invented new and useful improvements in Devices for .tttuuatitttll Closing (ocks and the Like, otwhich the following is a specification.

My invention relates to improvements in automatic closing devices for cocks more especially intended for use in connection with gas or petroletun stoves, but which may be employed in all relations where the peri'ormanee It a similar function is required. for instance in connection with eleetric cut outs on elect rie cooking apparatuses.

The purpose of the invention is to provide means for automatically closing the fuel supply. i. extinguishing of the tlame.

The invention consists in the novel construction and combination of parts, as is hereinafter described and detined in the appended claims.

Reference is to be had to the accompanying drawings forming a part of this speciti cation in \vhich Figure 1 is a view in side elevation of a store combined with the closing device. parts of the latter being shown in section for the sake of clearness. Figs. 2 and 3 vshow moditieations of the invention.

The gas stove is in the drawing indicated by t. .\t the upper part of the cooking vessel 2 or on its cover a shortpipe 3 is applied. the outer t'ree end of which points toward a tunnel shaped expansion on apipe 5 extending from a box 4-. The lower part of this pipe ends over a cup? which is carried up by a lever (i. counterweight S, a spring or the like acts upon the other end of the lever. When the steam commences to escape from pipe and strikes the funnel. it becomes condensed and (tows by drops through the pipe Ii wheret'rom it falls into the cup t. Then the equilibrit'tm of the level isal- V tered so that a circuit with an electromagnet becomes closed. A mercury cup 10, wherein the lever arm is pressed down by the weight of condensed waterdrops, is suitably used as a contact maker. This mercury switch is connect ed with a. terminal 12 by means of a conducting wire it and the lever G is conneeted with the terminal 1-1 by means of a wire 1?. The. armature 15 of the electromagnet consists of a lever provided at one, of its ends with a hook 1G or the like adapted to engage an arm 18 which is fastened to the plug 1? of the gas cock and which is provided with a weight 19. By making the. contact between the lever 6 and the mercury cap the armature 15 is attracted. Then the hook i releases the arm 18 which falls down together with the weight 19. By this movement the cock becomes partly or entirely closed according to as the arm 18 sooner or later hits a projection or the like 20. The bottom of the eup 7 is suitably slanting, so that one of its edges reaches up to the upper edge of the cup and the water drops may tlow out when eup moves downward. After the eup thus having been emptied it raises it elf and eats oil the current. The armature 13 is jonrnaled on the tap ill and rests with its heavier arm against a pin as long as the circuit is broken. \Vhcn the lever 6 is provided with the adjustable counterweight h'. the interruption of the cooking can be retarded by adjusting the weight.

instead of the steam being caught and condensed in a separate pipe or the. like it may be condensed in a pipe or the like connected with the \t.-Stl 2 so that the Condenseil drops all directly from the cooking vessel upon the'releasing device. as shown in Fig. L.

In order to be independent of having the pipe t pointing toward the tunnel or releasing device the cooking vessel may be provided with a ringshaped opening through which the steam can escape in all directions. as shown in Fig. 3. In whatever direction the vessel then may be turned the steam always strikes the tunnel or if the steam is condensed already in the, ring shaped opening the drops always fall upon the releasing device.

llaving thus described my invention I claim as new and desire to secure by Letters Patent:

1. In a device of the class described, in combination a cooking apparatus, means for regulating the supply of heat-producing medium and'means positioned externally of said cooking apparatus controlled by the condensatit-m from steam from the liquid being boiled on the apparatus to actuate said first-mentioned means.

3. In a device of the class described, in eombination. a cooking apparatus, means for regulating the supply of heat-producing 1 medium and means controlled by the condensation from steam from the liquid being boiled on the apparatus to actuate said firstmentioned means.

In a device of the class described, in combination, a cooking apparatus, means for regulating the supply of fuel thereto, and

means controlled by the condensation from steam from the liquid being boiled on the apparatus to actuate said first-mentioned means.

4. In a device of the class described, in

combination, a cooking stove, a valve for regulating the supply of gas thereto, and means controlled by the condensation from steam from the liquid being boiled on said stove to close said valve.

5. In a device of the class described, in combination, a cooking apparatus, means for regulating the supply of fuel thereto, and means controlled by the condensation from steam from the liquid being boiled on the apparatus to actuate said first-mentioned means, said second-mentioned means comprising a pivoted lever provided with a receptacle to receive the condensed steam.

(i. In a device of the class described, in combination, a cooking apparatus, means for regulating the supply of fuel thereto and means controlled by the condensation from steam from the liquid being boiled on the apparatus to actuate saidtirst-mentioned means, said second-mentioned means comprising a pivotally mounted lever provided with a receptacle adapted to receive the condensation from steam adjacent one end thereof and means for normally maintaining said lever in a substai'itially horizontal, position, said receptacle being provided with an inclined bottom whereby as the lever is moved downward under the action of the tacle, permitting said will be stopped, I ingsaid valve in its open pos1t1on,aneleetr0- 65 steam which is collected the condensation from escape from the recep third mentioned its normal posicondensation from in the r ceptacle, steam is allowed to means to move the lever to tion.

7. In a device of the class described, in combination, a cooking apparatus, means for regulating the supply of fuel, said means tending normally to occupy a closed position whereby the supply of fuel will be stopped,

a member relcasably holding said first-mentioned means in open position, and means controlled by the condensation from, steam from the liquid being boiled on the apparatus to actuate said member to release said first-mentioned means whereby the latter may assume its closed position.

8. In a device of the class described, in combination, a cooking apparatus, a valve for regulating the supply of fuel thereto, said valve tending normally to occupy its closed position whereby the supply of fuel a member releasably holdmagnet adapted upon energization to actu ate said member to release said valve, a norn'n'illy-open circuit containing said magnet and a circuitcloser for closing said circuit, said circuit-closer being actuated by the condensation from steam from the liquid being boiled upon said apparatus.

In testimony whereof I ilfi,\8 signed my name to this specification in the presence of two subscribing witnesses.

KNUD VALDEMAR norzov. \Vitnesses: 4

A. W. Axm-xason, l). RKm-tao.

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