US1516814A - Flushometer - Google Patents

Description

Nov. 25, 1 I 1,516,814

M. H. FLYNN I FLUSHOMETER Filed Sent/'25,

Patented Nov. 25, 1924.

Y um-r s;

MICHAEL-H. m nnow-HARTFORD, CONNECTICUT,vASSiGNOR TOirHnn nTroRn alli 't uliom may J rnusnomnrnn.

'ap llationnledSeptember25. 1922. summation;

Be a known as I,"M1nAn1. ,FL'YNN,

a citizen; of the United States,";re'siding at Hartford, in the countyof l lartford and 'State'of Connecticut, have invented a new ,and useful Improvement: in. Flusho neters, f which they following, is a specification." This invention relates to,jthe' class of close.

(valves commonly known" as ,fiushometers,

that is,; those valves .-whi'ch after being. opened permit theflow ofa predetermmed quantity of water and v thenf automatically The objector invention is to produce a simple, cheapland relatively small valve of this character .which' will operate (easily and surely-'and lwliich can be set to allow exactly. therequiSite flow of for any desiredlength of time.

water .In the accompanying: drawings Figure 1 showsa plan of a valve which 1 embodies the invention. ig. 215a central vertical sectionof the same. Fig. 3i's'a" section of one, portion of the. upper edgeof the 'va'lve showing a bumper for laftoilet seat cover' fwhich ay bef applied was casing'cap. L -The valve has a cylindrical casing twith anintakev opening 5 on'one side, an outlet passage 6 at the lower end, aimain valve seat 7 intermediatethefintake and outlet," and a cap, 8 closing an'opening at the top of athe casing..' n I v y The main valve 9. which is Ishaped'to fit and move up: and dovvn in the cylindrical casing, at its lower endl'has' a packing 10 designed to open and close the port through the main valve seat. In order to ensure the necessary close yet" easily sliding fit and" veliminate the possibility'of sticking in the} casing as a result of corrosion or electro-' lytic action, the body of the main valve is preferably as shown, surrounded by a jacket 11 of molded noncorrosive material pressed and hardened by heat, such for instance as bakelite, hard rubber or similar composition.

In the lower portion of the. chamber in the main valve is a skeleton disk, spider or perforated late 12. v The edges of this disk rest upon t e bottom wall 13 of the chamber in the main valve, and a rigid stem 14;

. extends from the disk down through the ,functionlfif af-bell-crank' lever,'fthat is, the 1' construction is such that no matter howCrotatively "the disk is droppedinto the, chamberf of the main valve, when the lower end I .of the stem is-pus'hedsidewise the disk'fulcru'ms on its edge on i'one sideand-theedge, on; the diametrically opposite side lifts. This tilting disk and its stem, or universal passage but isf'guided 11P{ and down by. the flwall tfhereof At the lower end of this stem is a ihead 1j8f'and thrusting between: this headand" upper end wall of the mainavalve,

I is a spring'l9 that tends'tokeep' the auxiliary valve on'its seat.- *The head at the lower end of the auxiliary valve-stem extends just above thetilting disk or =universalbellcrank lever and when thedisk is rocked by pushing itsstem sidewisexthe 'head vwill-he en-;

gagedand' lifted as to open the auxiliary valve from its seat. Through the main valve that provides communication from the inis a passage 20 take opening to the space in the casing above the main valve. The effective area, of this passage, or by-pass, is controlled by atapering valve 21 that has a threaded stem 22 screwed'into the upper endof the passage. 3

In an opening in one side near the lower end of the casing is a 'thimble23. This thimble is held'in place by a cap 24; that is screwed'intozthe opening. Aipin 25 is arto reciprocate in-an. opening through the thimble and impin geagainst the fstem "V LVEIMANUFAGTURING.COMPANY, or HARTFORD. i co ncmea JA] oonr'onn; I "Q'IION or CONNECTICUT. i

of the bell-crank lever. A packing 26 and nut 27 "are provided for preventing leakage around this pin. The outerend of the pin has'a head 28 and loosely'mounted on the a handle 30 extends through the cap and on pin inside of the head is a washer 29, The

the inside has a flange 31 that is larger than theopening through the cap. A spring 32 arranged between the thimble and'the washer presses the washer outward against the flange on the inner end of the handle and thus yieldingly holds the handle in position. The inner end of the handle is shown as concaved and in the cavity is a teat 33 that is designed to impinge against "'15 1 .-above the main valve builds up as fast as lever to resume-lts normal position and-z the control valve to be, closedby its spring. With the control valve closed the pressure the water fiowsthrough the by-passin the main valve and when-the pressure above the valve equals the intake pressure the main valve closes the outlet port. terval during vwhich the pressure will build up above the main valve depends upon the adjustment of the needle .valve thatcontrols the by-pass through themain'valve, Thus by'adj usting; the needle valve the time of the closing of the main valve and the amount of exactly regulated. As a result of-the em "ployment of a non-corrosive composition be closely fitted 'w1th1n the casmg and yet it will notstick as a result of corrosion or rocks t e bell-crank, and the teat on the inflow of water throughth'e casing may be ket about the main valve, thatrtvalve can other deleterious action of, water on the parts inthe casing. The handle is held in place b its spring "andnot'by the pin which ner end of the handle impinges against. the

- center of the head of the pin whenever the handle is. turned, so-that the pin is pushed in on substantially the line ofsits axis. This eliminates the possibility of excess friction between the pin and, the

wall of the opening in the thimble'which guides the pin.

In order toprovidea bumper for preventmg from bangin this valve a clamp 84. may be be sprung upon Q After the clamp formed with anges 35 shaped to receive and v clasp a cushion 36, and flanges 37 that may the edges of the casing cap.

has. been located on the cap.

causes it to liftthe control valve The (time inwith a passage the auxiliary valve,

in the main valve opening a toilet seatcover when thrown open in thedesired position a screw 38 is turned in from the "under side so as to cause the flanges to grip the edge'of thecap.

" Theinvention claimed is l. A fiushometer-comprising-a casing with an intake, an outlet and a valve seat intermediate the intake and outlet, a main valve with a passage through it fitted to and movable in the casing on the intake side toward; and from the valve seat, an auxiliary valve carried by and adapted to be positively reciprocated for" opening and closing the assage through the main valve, a stem ed to the auxiliary valve and extending downward into the passage through. the main valve, a universalrocker lever carried by the main valve and adapted when tilted to engage the lower endfof the auxiliary valve stem and raise the auxiliary valve from its seat, a spring carried by the main valve'and engaging the auxiliary valve'stem and nor- ,mally closing the-auxiliary valve, and means for rocking said lever.

2. A flushometer comprising a casing with an intake, an outletand'ai valve seat intermediate theintake and outlet, a main valve through it fitted'to andmovable in the casing on the "intake side toward and from the valve seat, an auxiliary'valve carried'by and adaptedto be positively reciprocated for opening and closing the passage through the main valve, a stem with an enlarged head fixed to the auxiliary valve and extending downward into thepassage through themain valve, a spring carried the ma n valve and engaging the enlarged head of the auxiliaryvalve stem for closing a disk loosely mounted below andnormally out of engagement with the enlarged head of the stem of the auxiliary valve and adapted when tilted to'engage' said'headfor opening the auxiliary valve, astem projecting from said disk into the outlet port, and meansfor swinging said stem sidewise and causing the disk to tip and engage the head of the stem: and open the auxiliary valve against the pressure of said spring.

MICH EL H. FLYNN.

Images