US965064A - Fluid-pressure regulator. - Google Patents

Description

W. E. BEECH.- PLUID PRESSURE REGULATOR, APPLIOATION FILED D136. 21, 1909.

A TTOR/VE VJ.

THE NORRIS PETERS co. WASHINGYON. o. c.

Patented July 19, 1910.

UNITED STATES PATENT oEEicE.

WILLIAM E. BEECH, OF FERRIS, TEXA.

FLUID-PRE$SURE REGULATOR.

Specification of Letters Patent. Patented J uly 19, 1910,

Application filed December 21, 1909.

Serial No. 534,309.

To all whom it may concern:

Be it known that I, WVILLIAM E. BEECH, a citizen of the United States, residing at Ferris, in the county of Ellis and State of Texas, have invented certain new and useful Improvements in Fluid-Pressure Regulators, of which the following is a specification.

My invention relates to new and useful improvements in fluid pressure regulators.

The object of the invention is to provide means controlled by the steam pressure of a boiler for regulating the supply of steam and oil to a hydro-carbon or oil burner.

Finally the object of the invention is to provide means of the character described that will be strong, durable, efiicient, and easy of operation, simple and comparatively inexpensive to construct, and also in which the several parts will not be likely to get out of working order.

IVith the above and other objects in View, the invention has relation to certain novel features of construction and operation, an example of which is described in this specification and illustrated in the accompanying drawings, wherein:

Figure 1. is an end elevation of a boiler with the regulator attached thereto. Fig. 2. is a vertical section of the regulator, and Fig. 3. is an underside view.

In the drawings, the numeral 1 designates a boiler, 2 the steam dome, 3 an ordinary oil burner, a the oil supply pipe, and 5 the steam supply pipe leading from the dome 2. The only change in applying my invention, is the placing of a valve 6 in the steam pipe just above the burner and a valve 7 in the oil pipe ust below the burner.

My invention comprises a horizontally supported cylinder 8 having its inner end internally screw threaded to receive a disk 9 through which a piston rod 10 passes. On the outer end of the piston rod, a cross head 11 is fastened and provided at each end with a plunger 12 engaging in and suitably connected (not shown) to valves 6 and 7 respectively. It is obvious that by reciprocating the piston nod 10 the plungers 12 are moved laterally and open and close the valves.

On the inner end of the piston rod, a piston head 13 is fixed; while on the rod between the head and the disk 9, a coiled spring 14 is confined. By screwing the disk inward or outward in the cylinder, the tension of the spring may be varied. Steam is admitted to the cylinder in the rear of the piston head, which is held against movement by the coiled spring until the steam pressure reaches and exceeds the degree at which it is desired to decrease the supply of oil and steam to the burner and reduce the steam pressure in the boiler. In other words by adjusting the disk 9, the spring 14 will hold the piston against cutting off the valves 6 and 7 until the steam pressure in the boiler exceeds a predetermined degree.

For supplying steam to the cylinder, a

chamber 15 is provided on the outer end thereof having an intermediate valve seat partition 16, on one side of which steam is supplied by a pipe 17 from the pipe 5, while on the other side of which, steam is delivered to the cylinder by a port 18. A spring pressed valve 19 adapted to close against the valve seat has its stem projecting through the chamber and hearing at its outer end on an eccentric 20, normally having its low surface in contact with the valve stem whereby the valve is unseatec l and steam admitted to the cylinder. The eccentric is fastened on the lower end of a vertical shaft 21. mounted in a bracket 22 en )ported from the end of the chamber 15. n the upper end of the shaft a pinion 23 is fixed and meshes with a rack bar 24: horizontally over the cylinder. This rod 25 is screw threaded at its opposite end and receives between adjusting nuts 26, the outer end of a vertical arm 27 adj ustably fastened at its lower end to the piston rod 10. Then the piston is driven against the spring lt, the rod 25 is moved, causing the rotation of the shaft 21 by the rack 2 L and pinion 23. This rotates the eccentric 20 which forces the valve inward and cuts off the supply of steam to the cylinder. By adj ust-ing the arm 27 the point at which the valve 19 is closed may be regulated.

On the lower side of the outer end of the cylinder an exhaust chamber 28 is provided, having communication with the cylinder at its upper end, while a spring pressed valve 29 operates to out off the passage from the cylinder to the chamber. Below the valve 29 an exhaust outlet 30 is provided. The stem of the valve 29 projects below the exhaust chamber and rests on a spring held bell crank lever 32. By referring to Fig. 2 it will be noted that upon moving the lower IOU end of the lever 32 to the left, the valve 29 will not be operated, but upon moving said lever to the right the said valve will be raised and exhaust steam or fluid from the cylinder permitted to pass out through the outlet 30.

Below the cylinder a horizontal slide rod 33 is mounted and connected at its inner end with an arm 34 adjustable by nuts 35 like the arm 27 and nuts 26. When the piston is driven'in and the rod 25 carried in which closes the valve 19 thus cutting of]? the supply of steam to the cylinder, the rod 33 is carried inward at the same time. As the rod 33 approaches the end of its inward movement a lug 36 thereon trips past the lever 32. With the parts in this position the valves 6 and 7 are cut off, the supply of steam to the cylinder is cut off, the spring let is compressed and the steam previously admitted to the cylinder is confined therein. At this point I wish to call attention to the fact that the piston head 13 is provided with packing rings so that the steam cannot pass to that art in which the spring 14: is located. 1 11c steam confined in the cylinder after expanding will loose its pressure permitting the piston to begin its return movement. Upon the starting of the returned movement the lug 36 will engage the lower end of the lever 32 and swing the same, thus raising the valve 29 and releasing the steam in the cylinder. The valve 29 is only open for an instant, but long enough to exhaust the steam and permit the spring 14 to re turn the piston head to its normal position,

open the valves 6 and 7 and operate the valve 19 to again admit steam from the boiler to the cylinder.

It is obvious that by adjusting the arms 27 and 34 on the piston rod 10 and securing a fine adjustment by the nuts 26 and 35, the valves 19 and 29 may be caused to operate as desired.

What I claim is:

In an oil burner regulator, a cylinder, a piston rod carrying a piston operating in the cylinder, a fluid supply chamber mounted on one side of the cylinder and having communication with the cylinder, an exhaust chamber mounted on the opposite side of the cylinder and having communication with the cylinder, means for supplying a fluid under pressure to the fluid supply chamber, a valve in the supply chamber for cutting 011' the supply of fluid to the cylinder, a valve in the exhaust chamber for interrupting the exhaust of fluid from the cylinder, a cross head on the piston rod provided with devices for operating the valves of an oil burner, reciprocating devices for o aerating the supply and exhaust valves, anc extensions from the piston rod having connection with the reciprocating devices for operating the same.

In testimony whereof I hzWe signed my name to this specification in the presence of two subscribing witnesses.

WILLIAM E. BEECH.

IVitnesses Jnssn BOWLING, T. H. DAVENPORT.

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