US1532408A - Flush valve - Google Patents

Description

Apr-a 7, 1925.

A. E. HOHMEISTER FLUSH VALVE Filed June 23, 1922 @www atboz nu;

Patented Api. 7, entre STATES 1532.408 oFFlciE,

ARTHUR E. HOH'MEISTER, OF CINCINNATI, OHIO, ASSIGNOR! TO THE JOHN DOUGLAS COMPANY, 0F CARTHAGE, OHIO, A CORPORATION 0F OHIO.

FLUSH vaLvE.

Application filed June 23; 1922. Serial No. 570,344.

To all uhom z't may concern: y

Bev it known that I, ARTHUR .E. HOH- Mnrsrnn, a citizen of the United States of America, and a resident of Cincinnati, in 5 the county of Hamilton and State of Ohio,

have invented a new and useful Improvement in a Flush Valve, of which the following is aspecification.

My invention relates to iush valves and is adapted to be used in all positions where a flush valve is desirable, such, for example, as to Hush water closets and thelike.

' An object of my invention is to provide a valve wherein operation of the valve may be nicely regulated, and the closing of which will not be aiected by continued pressure on the valve actuating means. V

Another object of my invention is to prof vide a valve for the purpose stated, `wherein 2o the parts are positive in operation.

Another object of my invention is to reduce the number of operative parts eimployed in valves lof this type. Y

These' and other objects are obtained by means described herein, anddisclosed in the accompanying drawing, in which:

Fig. 1 is ajv'ertical sectional view thru a valve embodying my invention, the valve parts being shown in their normal or closed relation. Y

V Fig. 2 is a ragmental sectional view, on a reduced scale, showing the relation of parts of the valve after sameY had been actuated, and wherein pressure on the actuating means has not been released.

' Fig. 3 1s a sectional view on line 3-3 of Fig. 1.`

Thel device of my invention comprises a' casing 4, having a bore 5, extending lengthwise there-thru, intermediate the ends of which bore is formed an annular inwardly extending threaded flange 6. A sleeve 7 is mounted upon the flange 6 and the upper end of the sleeve is developed into a valve seat 8. A main valve 9 is adapted to engage the seat 8 thereby controlling communication between an intermediate chamber 10 Jformed above the sleeve 7 and a discharge or bottom chamber 11 communicating with a suitable dischar e pipe 12. Thevalve carries a piston 13 w ich rides over the wall of the bore 5, and separates the intermediate chamber 10 from a pressure chamber 14 formed at the top or -head of the valve. A suitable cap 15 forms a closure for the top 'of the casing and for the pressure chamber 14. The valve stem 16 of the valve 9 has a chamber 17 formed within it,'and within the chamber 17 is contained the head 18 of a pin 19. A suitable bore 2O is formed in the lower wall 21 of the chamber 17, and the pinV 19 extends thru this bore 20 into the discharge chamber 11. The pin bears such relation tothe bore that it may be rocked in the bore, so as to assume a position as shown 1n dotted lines in Fig. 1. The head 18 'serves to preclude the pin from falling into water must-pass as the Water flows from the supply pipe 22 into the intermediate cham- 80y ber 10. This part of the by-pass is given a tube-like structure, as shown in Fig. 3, and in this tube-like portion of. the by-pass is formed a valve seat 26 adapted to be engaged by the regulating valve 27. The regulating valve 27 determines the iow into the pressure chamber 14. A relief valveseat 28 is formed on the casingI 4 at one end of a` bore 29 thru which communication between the discharge chamber 11 and Y the relief valve chamber 24 may be eii'ected. The auX- iliary or relief'valve 30 normally engages the valve seat 28, and is yieldinglyvretained in such engagement by a spring 31 contained within the relief valve chamber 24, the opposit-e ends of the spring engaging the valve 30 and the cap 32 forming a closure for the relief valve chamber. The cap 32 has formed in it a bore 33 in axial alignment with the stem 34 of the relief valve, and the. stem 34 10o extends reciprocally into the bore 33. The

inner end 35 of the stem 34 is disposed within the discharge chamber 11 immediately adjacent the pin 19. When' the pin 19 is rocked to a position as shown in dotted lines in Fig. 105 1, the relief valve is unseated and the water under pressure in the pressureV chamber 14,

by-pass 23, and the pressure valve chamber 24 may escape into the discharge chamber 11. As soon as the pressure upon the upper face of the piston 13 is relieved, the pressure of the water Within the intermediate chamber lifts the valve 9 whereupon a flow of water may pass from the supply pipe 22 and the intermediate chamber 10 into the discharge chamber 11. I

Any suitable means maybe provided for rocking the pin 19. A -simple and suitable mechanism for this purpose is disclosed herein and comprises a plunger 36, the inner end of which is adapted to engage the lowerend of the pin 19, and the outer end of which carries a head 37 the opposite sides of which are engaged by a spring 38 and an actuating handle 39. The spring 38'yieldingly retains the push rod in its normal position, the yielding resistance of the spring being sufficient to retain the actuating handle 39 to its normal position as shown in full lines in Fig. 1. A collar 40 mounted on Vthe casing 4: and within which the plunger 36 is reciprocally contained, carries an u pwardly extendi yoke/11 the branches 42 and 43 of which ie on opposite sides of the pin 19, and preclude the pin from slipping side-ways from between the plunger 36 and the inner end of the relief valve 30 when the push rod is actuated.

The operation of my device is as follows: Normall the parts assume the relation Y shown in ull lines in Fig. 1. At this time the valve 9 engages its seat 8, and the relief valve envages its seat 2 8. When the actuating handle 39 is moved to the position shown in dotted lines in Fig. l, the plunger 36 is brought into engagement with the pin 19 and rocks the pin to such extentthat the pin engages the relief valve and unseats the relief valve, whereupon the pressure within the pressure chamber 14 being relieved, the water flowing into the intermediate chamber 10 v unseats 'the valve 9 as heretofore explained. As the valve '9 is lifted under the influence of the pressure within the chamber 10, the pin 19 is lifted to. such extent that its lowerend is raised above the plunger 36, whereupon gravity returns the pin 19 tol a lposition in axial alignment with the' normal position ofthe pin. The spring 31 in the relief valve chamber then seats the --1. In a liush valve the combination of a i casing, l1aving`a closed end, a discharge opening adjacent to the end opposite to its closed end, an inlet opening in its side, a main `valve seat between its inlet and its discharge openings, a by-pass connecting its closed end and its discharge openin and an auxiliary valve seat surrounding t e opening 'of the by-pass into its discharge outlet, a main reciprocatory valve within the casing and adapted to seat upon the main valve seat, an auxiliary7 valve within the casing and adapted to seat upon the auxiliary valve seat, a reciprocatory operating device in the casing and 'opposite to the auxiliary valve, and a pin swiveled to the main valve depending between the auxiliary valve and the operating device and adapted to be brought into contact with the auxiliary valve by the reciprocation of the operating device and4 to be carried by the main valve out of the path of the operating device.

2. A valve device comprising two valves and having a single by-pass therein, one the main valve which controls a How of water,

the other' an auxiliary valve mounted in the by-pass for controlling the main valve, means carried by the main valve adapted to actuate the auxiliary valve and to be rendered inoperative upon said auxiliary valve by the action of the main valve, a fixed guide lfor the first mentioned means, and

means for rendering said first mentioned means operative upon the auxiliary valve.

In testimony whereof, I have hereunto subscribed my name this 22nd day of June, 1922.

. ARTHUR E. HoHMEIs-TER.

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