US630437A - Flushing-tank. - Google Patents

Flushing-tank. Download PDF

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US630437A
US630437A US70174199A US1899701741A US630437A US 630437 A US630437 A US 630437A US 70174199 A US70174199 A US 70174199A US 1899701741 A US1899701741 A US 1899701741A US 630437 A US630437 A US 630437A
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tank
valve
inlet
float
plunger
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US70174199A
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Charles J Ball
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Charles J Ball
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/02High-level flushing systems
    • E03D1/06Cisterns with tube siphons
    • E03D1/10Siphon action initiated by raising the water level in the cistern, e.g. by means of displacement members
    • E03D1/105Siphon action initiated by raising the water level in the cistern, e.g. by means of displacement members in cisterns with tube siphons

Description

' No. 630,437. P atented Aug. 3, 399..
I c. .1. BALL.
FLUSHING TANK (Applicatidn filed Jan. 10, 1899.)
(N0 Model.)
TNE'NORRIS PETERS o0. wonxumo. WASHINGTON. u c
UNITE STATES.
PATENT OFFICE.
CHARLES J. BALL, OF LOS ANGELES, CALIFORNIA.
FLUSHlNG-TANK.
SPECIFICATION forming part of Letters Patent No. 630,437, dated August 8, 1899. Application filed January 10, I899- Serial No. 701,741. (No model.)
To all whom it nan/y concern.-
Be it known that I, CHARLES J. BALL, a citizen of the United States, and a resident of the city of Los Angeles, State of California, have invented certain new and useful Improvements in Flushing-Tanks for \Vater- Closets and other Purposes, of which the following is a specification.
My invention relates more particularly to that class of flushing-tanks in which the flushing is secured by siphonic action.
As heretofore constructed flushing-tanks of the kind mentioned are generally filled with water admitted through an inlet-valve which is opened and closed by the descending and ascending movements of a float connected to the inlet valve generally through the medium of a lever. The flushing action is obtained by discharging the water in the tank through a siphon, normally inoperative, but which is usually set in operation by opening an outlet-valve in the tank or in a pipe leading therefrom or directly or indirectly connected therewith, the siphon itself frequently forming such outlet-valve and resting on a seat in or near the bottom of the tank. When the outlet-valve is opened, it permits water from the tank to flow down the long leg of the siphon, thus initiating the siphonic action whereby the contents of the tank are discharged, whereupon the float descends, opening the inlet-valve, and thereby admitting water to again fill the tank. Owing to the great liability of the outlet-valve to leak, whereby the float is permitted to descend and reopen the inlet-valve, it has heretofore been proposed to dispense with the outlet-valve and secure the initial action of the siphon by immersing a plunger-float in the water of the tank, thereby raising the level of the water in the entire tank, and consequently in the short leg of the siphon, to a point high enough to start the siphonic action; but this is open to the objection that it requires considerable effort to immerse a plunger large enough to raise the level of the water in the entire tank and the further objection that its action is so sluggish as to render it necessary to hold the float depressed for a considerable period of time to fully initiate the siphonic action. Since in many constructions now in use the closure of the inlet-valve is dependent uponthe buoyancy of the float, it follows that the closure of said valve' depends upon the height of the water in the tank and therefore that the inlet-valve will be closed just at the moment when the water reaches its maximum level, at which time an equilibrium exists between the buoyancy of the float and the pressure of the supply-water, and. hence the inlet-valve is not firmly seated. If said level is lowered by any cause, as by leakage of an outlet-valve, the inlet-valve will again be opened slightly and water will flow in to supply that flowing out at the leak. This opening of the inlet-valve is very slight and the pressure in the service-pipe will cause a fine stream to flow through the inlet-valve, which by means of grit and dirt in the water will soon so out the valve and its seat as to render an effective closure thereof impossible. A further objection is that when the inletvalve is held to its seat solely by the buoyancy of the float any slight increase in the pressure in the service-pipe, such as usually occurs at night, is sure to cause a leak in the inlet-valve.
The objects of my invention are to construct a tank flushing by siphonic action or in other manner which shall dispense with all Valves except the inlet-valve, shall act easily and promptly, and shall eifectively prevent leaks at the inlet-valve and hold it firmly to its seat even when pressure in the service-pipe is greatly increased, and to provide means to keep the inlet-valy e wide open till the tank is nearly filled.
With these objects in view the invention consists in a tank having a siphon, a suitable inlet-valve, and ablock of considerable thickness loosely fitting in and substantially closing the upper portion of said tank except at a cut-away portion in said block,within which cut-away portion a plunger-float is free to move up and down,said float being connected to the inlet-valve so that by its downward movement siphonic action is initiated and the inlet-valve is opened and byits upward movement the inlet-vavle is closed. The block, with its cutaway portion, affords a cheap and easily-applied means for forming a neck within which the plunger-float acts to quickly raise the level of the water to initiate siphonicaction, and also enables the water to rise in filling the tank till the level of the water in the tank reaches the lower face of the block, after which the fioat quickly rises in the neck. The result of this is that the inlet-valve rea mains well open till the tank is filled and then flow of water for flushing purposes, an inletvalve, a plunger-float controlling the closing movements of said inlet-valve, and a power device rendered active by the plunger-float when the water in the tank has nearly reached its normal level to effect the final closing movement of the inlet-valve, which power device acts to quickly close the valve and firmly hold it to its seat even against greatly-increased pressure in the service-pipe.
Furthermore, the invention consists in a tank having a block of considerable thickness loosely fitting in and substantially closing the upper portion of said tank, except at a cut-away part in said block, which forms a neck or portion in which the water can rise higher than in the main body of the tank, a plunger-float capable of moving up and down in said neck portion, an inlet-valve connected to said plunger-float, a siphon, means for depressing said plunger-float, whereby the siphonic action is initiated and the inlet-valve opened, and a shifting weight inoperative when the valve is full-opened, but shifted by the plunger-float on the final closing move-v ment of the valve, so as to press the latter firmly on its seat and hold it there.
The invention finally consists in the combinations of elements hereinafter described, and pointed out in the claims.
The tank may be in the form of an opentopped vessel or cistern having a closure-piece or block of suitable thickness inserted therein, which piece has an opening therethrough' constituting the upwardly-projecting neck within which the plunger-float may operate. The lower face of the block or closure-piece should be at or near and preferably slightly below the level of the water in the tank when the inlet-valve is closed. The block should be of such thickness that its sides act as walls extending upward from the bottom surface of the block, and it may be either a solid block of material or it may be formed from a sheet of material with the side walls struck up to correspond with the side walls of a solid block. Such closure-piecemay, if desired, fit snugly in the mouth or open top of the tank; but I prefer to make it slightly smaller than the tank, into which it loosely fits, and to secure it in position by any suitable means.
There is also provided a second opening through the closure-piece into or through which the crown of the siphon projects.
It will be apparent that the inventive idea involved may be expressed in different meface of the block.
chanical structures, andl have illustrated one of such structures in the accompanying drawings; but the same are to be understood as illustrative only and not in any way defining the limits or scope of the invention.
. In said drawings, Figure 1 is a vertical section, partsjbeing shown in elevation; Fig. 2, a plan view of Fig. 1.
Like letters refer to like parts throughout both views.
T represents a tanlgwhichmay be of any desired shape and of any suitable material and is closed at its top,except as to a portion T,which has u pwardly-proj ectin g walls rising a considerable distance above the interior face of the top or upper wall of the main body of the tank. I construct said top or upper wall in the form of a block E, Fig. 1, of anysuitable material, preferably several inches in thickness and of such size as to fitloosely within the open top of the tank. An opening 7 is formed in the block B, into or through which the crown s of the siphon S may freelyproject, and the block is further cut away, preferably at one corner, as shown at B", Fig. 2. Such block is adj ustably secured at the proper height within the mouth'or open top of the tank and prevents the water in the main body of the tank from rising higher than the inner or lower 'When thus secured within the tank, the face 0" of the cut-away portion thereof, together with the walls t of the tank T opposite thereto, constitute, in effect, an upwardly-proj ectin g neck or portion to the tank. I
S is a siphon of any suitable construction, the upper end of whose long leg S projects somewhat above the inner or lower face of the block B. As shown, the siphon projects into the opening 1" of the block R; but it is'manifest that the parts might be so arranged as to allow the siphon to project into the open neck or portion R", in which case the opening 0 in the block R would be omitted. P is a plunger-fioat, which may be of any suitable size .have av comparatively small cross-sectional area in the neck-opening R within which to rise, and consequently a slight depression of the plu nger will cause a correspondingly great elevation of the water-level in the neck-opening R, in the opening 4", and in the crevices surrounding the block R and between it and the walls of the tank T. The immediate effect of this great and rapid rise in the waterlevel is to suddenly fill the crown s of the siphon with water, expelling the air therefrom and starting siphonic action.
V is the inlet-valve, which may be of any preferred construction, and Z is a lever .hav-
' depress the plunger-float to effect the initial valve.
siphonic action and the opening of the inlet- I have shown a lever L fulcrumed at f 011 a cross-bar F, supported by the side walls of the tank, said lever L being connected, as by a nut 11,, to the projectingend of the stem 3 and having its arm L projecting over the end of the tank, with the usual pull-chain h attached thereto. For the purpose of ad justably securing the lever L to the stem 5 it is here shown as held between two nuts n 'n on the screw-threaded upper end of the stem; but it is evident that I might use other means of adjustment, as by substituting washers for the nut 01.. By thus adjustably securing the lever to the stem the desired immersion of the plunger-float may be obtained and the timing of the action of the shifting weight, hereinafter described, accurately accomplished. I prefer to place a bufier h on the upper edge of the tank to limit the downward movement of the arm L and also to prevent the noise that would be caused by the striking of the lever against the tank; but manifestly the parts may be so adjusted that theedge of the tank itself will act as a stop to limit the downward movement of the lever and plungerfioat. As heretofore stated, siphonic action will be quickly initiated and the inlet-valve opened by a very small depression of the plunger-float, and it is manifest that the closing movement of the inlet-valve will not begin until the tank is again filled nearly to its normal level, when the water will reach the plunger-float, which will again be buoyed up by the rising water, carrying with it the long arm of the lever Z and closing the valve.
As a means for preventing any leak of the valve due to its failure to become firmly seated or to an increased pressure'in the servicepipe I have provided a power device which at the time when theplunger-float is wholly depressed is partially or wholly inactive, but which is rendered active by the final upward movement of the plunger-float at the instant when the inlet-valve is about to close. This power device may assume various forms, but
lever-arm L to a point immediately over or nearly over the fulcrum f of the lever L. The relative lengths of the arm L and that part of arm L betweenthe fulcrum f and the stem 8 and of the long and short arms of the lever Zare such that a weight W of, say, one pound will produce a vastly-increased eifective pressure on the inlet-valve V to hold it firmly to its seat when the weight is at the outer end of the arm L". The operation of this portion of the device will be readily understood. WVhen the arm L of the lever Lis depressed by a pull on the chain h, the plunger-fioat P is depressed, the siphonic action initiated, the inlet-valve V opened, and at the sametime the arm L" of the lever L is elevated, causing the weight W to roll thereon as a track to the position shown in dotted lines, Fig. 1-that is, to a point over or nearly over the fulcrum f-whn it has little or no tendency to tilt the lever in either direct-ion. Notwithstanding the fact that the pull on the chain It may be quickly released the siphonic action is so prompt that the tank will be rapidly emptied, the several parts remaining in the positions shown by the dotted lines in Fig. 1. In this position the inlet-valve will be wide open and will so remain until the level of the water becomes sufliciently high to buoy up the plunger-float. This will not occur until the Water has nearly reached its normal level, so that the inlet-valve remains fully open until this level is nearly reached, after which the rising of the water slowly lifts the plunger-float, and thereby gradually closes the inlet-valve. the plunger-float also elevates the arm L of the lever L, correspondingly depressing the arm L. This depression of the arm L will not cause any movement of the weight WV from its position over the fulcrumf until it has progressed far enough to cause the downward incline of the arm L to be from rather than toward the fulcrum f, which does not occur until the valve V is about to close; but when the arm L is depressed far enough to incline it from the fulcrum f the weight WV quickly shifts from its position over the fulcrum to the outer end of the arm L, thereby acting as an efiective power device to hold the inlet-valve firmly closed.
From the foregoing description of the particular embodiment of my invention shown in the drawings, it will be apparent that the same inventive idea may be embodied in different structures and in different relative arrangements of the several elements or by using some of the elements and subcombinations without the use of others. For instance,the power device instead of being in the form of a shifting weight on the le verL might be in the form a weight applied to the long arm of the lever l, and the combination of the plungerfloat with a tank having a reduced neck might be employed to secure initial siphonic action or the operations of the inlet-valve, or both, without using the power device.
The upward movement of IIO All such modifications and subcombinations, 7'
however, clearly fall within the scope of the invention as hereinafter defined in the claims.
' Having thus fullydescribed my invention, What I claim is 1. A flushing-tank with a reduction-block adj ustably secured in the upper portion thereof, said block having side walls entirely around the same and extending upward from the bottom surface of the block.
2. A flushing-tank with a reduction-block secured within and loosely fitting the upper portion thereof, said block having side walls entirely around the same and extending up- Ward from the bottom surface of the block. 3. The combination of a fiushing-tankwith an adjustable reduction-block secured within and partially filling the upper portion of the tank but leaving an open space, said block having side walls entirely around the same and extending upward from the bottom surface of the block, an inlet-valve, a plunger-float and a siphon.
4. The combination of a flushing-tank with a reduction-block having side walls entirely around the same and extending upward from its bottom surface, the block fitting loosely within the upper portion of the tank but leaving an open space, a plunger-float in said space, an inlet-valve'and a siphon.
5. In a flushing-cistern the combination of a tank with a reduction-block fitting loosely Within the upper portion of the tank, but leaving an open space, an inlet-valve, a plunger-float within said open space and connected to said valve, a power device normally holding said valve closed, and a siphon.
6. In a flushing-cistern the combination of a tank with a reduction-block fitting loosely I said valve, said power device being rendered inoperative when the float is depressed and automatically rendered operative by the buoyant action of the float.
7. The combination of a flushing-tank having a reduction-block with side walls entirely around the same and extending upward from its bottom surface and cut away to leave an open space, a plunger-float in said space, a lever connected to said plunger-float Whereby it may be depressed, a siphon having its crown above the normal level of the water in the tank, an inlet-valve connected to said plunger-float, and a power device, normally holding said inlet-valve closed.
8. In a flushing-tank the combination 0 a siphon, an inlet-valve, a plunger-float adjustably connected thereto, a lever adjustably connected to said plunger-float, a shifting weight on said lever and a stop for said Weight on said lever near its fulcrum, substantially as described.
9. In a flushing-tank the combination of a siphon, an inlet-valve, a plunger-float adjustably connected thereto, a lever connected to said plunger-float, a shifting weight on said lever, and a stop for said weight on said lever near its fulcrum.
10. The combination of a tank, a reductionblock adjustably secured in the upper portion of the tank, an inlet-valve, a plungerfioat adjustably secured thereto, an operating-lever adj ustably secured to said float and a shifting weight on said lever.
In testimony whereof I have signed this specification in the presence of two subscribing witnesses.
CHARLES J. BALL.
US70174199A 1899-01-10 1899-01-10 Flushing-tank. Expired - Lifetime US630437A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1182015A1 (en) 1997-02-19 2002-02-27 The Gillette Company Shaving razor handle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1182015A1 (en) 1997-02-19 2002-02-27 The Gillette Company Shaving razor handle

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