US1135342A - Valve for spraying-machines. - Google Patents

Description

VLLVIE FOP, SPRAYNGr-MACIINES.

Specification of Letters Patent.

illatented Apr, i235, litri Application filed March 27, 1914. Serial No. 827,752.

To all whom it may concern.

Be it known that l, JAY W'nioox, a citizen of the United States, residing at Grand Rapids, inthe county oi? Kent and State of lllliehigan, have ,invented certain new and useful llmprovements in Valves for Spray ing-Machines, of which the following' is a specification.

My invention relates te improvements in valves for use on'spraying machines, and its objects are, first, to provide a valve with which an even pressure may be insured at the nozzle, :1nd,lsecond, to'provide a means whereby the valve will drain itself at a given pressure, and will drain-'all sediment from the' receiving` chamber so there will be no danger of eementingg` the valve in its seat by `the accumulation oi' sediment around the Ell valve.y ll attain these objects by the `mecha nisin and yconstruction shown in the accom'- panying drawing, in which- Figure 1 is a vertical lsection olf the valve practically on the line a: :1: of Fig. 2. llig. 2 is an elevation of the barrels of the valve assembled and'in condition 'lor use and Fig. a section ofthe valves showing the man ner of connecting them with the connecting rod; v

Similar numerals reiter 'to similar parts throughout the several Iviews.

ln the construction oi this valve l, make use of -`two barrels or chambers `1 and 2.,'

'.lhese barrels may be connected by any available i'm'm'o't' coupling, but l prefer that the Jform shown in the drawing be used, as the action is `more direct. the expense reduced to the minimum, and the etliciency is raised to the maximum. l represents tbe receiving barrel and the spraying material is supposed to be forced into this chamber through the pipe or opening C when it is forced upward through the noch' or coupling 3, past the valve 4 into the barrel or chamber 2, and thence through the opening' or pipe 7 to the spraying tube, not here shown, as it forms no direct part oi" the invention herein desired to have covered. 'l`he pipe 12, that extends downward trom the barrel 1 is open its entire length butis provided with a valve 5 that is held firmly in place bythe pressure of the epravixu;` material in the Darrel 1, and the valve 4 is as firmly seated by pressure in the barrel 2, caused b v forcing it into said barrels faster than it can he forced ont oi the spraying-tube.

The barrel 2 is made open at the upper end and a diaphragm 14 is placed in position, as indicated, and held in place against the pressure in the barrel by any available means, as, i'or instance., a ring, 13, anchored in the top ol the barrel and held in place b v the girder 8, or other suitable means.

'lhe diaphragm la performs a double service, lirst, to regulate the pressure in the barrel Q, and, second, to actuate the rods that raise the valve 5 to reduce the pressure insaid barrel and allow sediment to iow out. it is necessary to adjust the dia* phragm to sustain dilerent pressures in the chamber, l pass a bolt 1l through the girder S and piave a spring 10 between the end of this bolt and the surface of the diaphragm, aronndthe standard 15, so that greatelwor less pressure may be exercised upon the upper surface oi? the diaphragmfas may be necessary to maintain the desired pressure at the nozzle, or in 'the chamber The holt 11 is hollow so the standard. l5. xnayfpass through freely, and the rods 9. are sup ported on its upper end so that yany movement of the standard, verticaliy,v hy the movement of the diaphragm, is con1municated to the rods il. upward at the lower ends, and pass upward in the drain pipe l2 in position to he made to raise the valve :'i as the diaphragm is forced upward b v the pressure within the chamber 2, thus, when the pressure in the chamber 2 has been raised above the capacity of the spraying' pipe the .liaphragm 1d will be forced upward and the valve 5 ,will he raised so that any sediment in the lower clialnber, 1, may flow out through the pipe ,I2 into the supply tank, or other desired receptacle, and at the same time the pressure in the barrels will reduce until. the diaphragm will assume its normal position reseating the 'alve 5 and causing* the inflow ot' material into the chamber l to again hold and increase the-pressure in the barl rels, as desired or necessary.

When the pumps are idle and all pressure removed from the chambers the rods Sl may be raised upward and the valve 5 released or raised from its seat so that all the contents oi the chamber l may 'loW out, and, if desired, the valves may lee drilled to a given depth and a r` l 1.6 api pliedF in such a manner that lsf raistngg the lower valve, 5, a little Yher than the phragm would haturallj raise it the up;c Valve, el, will he raised from its seat so l;

These rods are leent' iilti till i i idle' ,chamber 2 may be drained. This is done by raising the rods 9 independent of then diaphragm, which may be done by hand after the chamber l.

One `of the main advantages gained by my construction is that'l do away with all,

necessity for packing any single feature iii the device, this being brought about by placing the actuating rods 9 outside of the barrels and then bending the lower ends upward and passing them through therpipe 12 in such a manner that they will raise the valve when the diaphragm is made to moveupward. It will be readily understood that with packing around actuating rods,

valves, &c., the sedimentthat settles from the spraying material will soon become hard andv adhere to the several parts th'atare packed, and render the machine inoperative while with my^machine this is impossible -as I amenabledtp drain all sediment out of the machine and hold all parts free for im# mediate ilse withoutfthe necessity of openin and cleaning.'

he lower end of the rodl6 is securely connected w th the valve 5, and the upper end of said rod is loosely fitted inf the opening a in the upper valve, 4,*with ysome distance between the end of the|,lod and the Y top of the opening when both Valves are ceiving barrel and a discharge barrel,a

check valve in each barrel, and a diaphragm in the discharge barrel, with a regulating device connected with the diaphragm, rods pressure has escaped from the' arranged to be actuated by the diaphragm, and extending downward outside of the -valve barrelswith Ithe ends extending upward to be made to raise the check valve in thereceiving barrel as the center of the diaphragm is forced upward.

2, lncombination with a receiving barrel, the discharge barrel, th diaphragm and i check valves of a valve or spraying machines, a girder above the diaphragm, a hollow bolt passing through .said girder, a

standard passing through said bolt and rest 'ard and extending downward outside-of the barrels and then bent upward to pass up into the pipe and actuate the valve from theV movements of the diaphragm.

3. In combination with the receivin barrel, the discharge barrel, a check va ve each barrel, the diaphragm, and a regulatping device for the diaphragm with a pipe extending downward from the receiving barrel, rods sup orted to be actuated by the movements of t c diaphra and extendin'g downward outside of ig barrels with the lower ends bent and extendin 1.1 ward to position to actuate the valve 1n tie receiving barrel with the movements of the diaphragm and a rod extendi'n I loosely-into the ball in the receiving barre und extending upward and into a hole in the valve in the discharge barrel yso that both valves muy bediaised simultaneously with the actuating ro Signed at' Grand Rapids Michigan March 21, 1914.

JAY WILCOX.

`I. J. CmLnY,

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