US150160A

US150160A - Half his eight to o

Info

Publication number: US150160A
Authority: US
Publication date: 1874-04-28
Anticipated expiration: 1891-04-28

Description

J. H0 RSLEY.

Pumps.

c N ITED STATES PATENT Charrono JAMES HORSLEY, OF TITUSVILLE, PENNSYLVANIA, ASSIGNOR OF ONE- HALF HIS RIGHT TO O. B. WIOKHAM, OF SAME PLACE.

IMPROVEMENT IN PUMPS.

Specification forming part of Letters Patent No. 150,160, dated April 28, 1874; application tiled October 18, 1873.

To all whom it may concern:

Be it known that I, J AMES HORSLEY, of Titusville, in the county of Crawford and State of Pennsylvania, have invented certain Improvements in Pumps, of which the following is a specification:

My invention rela-tes to the class of pumps known as lift and force pumps, and is so arranged that the inner surface of the pumpbarrel, and that portion of the piston carrying the upper valve, sustain no friction nor wear, and require no nished surfaces, the entire friction and wear being upon a hollow piston, through which the uid passes. This is accomplished by means of a peculiar arrangement of packing seated within the pump-barrel, and the lat-ter may be made of any ordinary piece of pipe requiring no turning or litt-ing. I also so arrange that the piston may be lowered and attached to the foot-valve, and the whole drawn out together.

Figure l is a vertical section, and Fig. 2 is a transverse section on line x a'.

a is the pump-barrel, formed of two pieces of ordinary pipe, between which is placed a collar, b, having a tapering ground-seat for holding the packing-cylinder in position, as hereinafter described. c is a foot-valve seated within the pump-barrel in the usual way. Z is the pump-piston rod. c is a hollow tube forming the piston. The fitting connecting the rod and piston has side openings for the upward passage of the fluid, as shown at f. A valve, g, is secured to the lower end of the piston, and the latter is enlarged at this point to increase the suction on the upward stroke. h is a packing-cylinder surrounding the piston and seated within the collar b by a tapering ground-seat, as shown. lVithin this cylinder are metal packingrings embracing the piston closely. The lower ring, t, is fixed within the cylinder. The remaining rings k k lit closely, but are not xed. Of the annular spaces between said rings, the upper and lower spaces are closely packed with hard sponge; the others are lled with fine shot. The rings k k and the sponge and shot packing are at all times held down closely upon the lower ring, c', and the packing is pressed tightly against the piston by the weight or pressure of lluid upon the upper ring, and the cylinder 7L is held in place in its seat bythe same pressure, the piston working through it. The cylinder may be lifted from its seat at any time by a slight upward jar of the piston, and the whole may be drawn out. The upper end of the foot-valve. c is provided with a notched head, and the lower end of the working valve g has a grooved slot, as shown, each so arranged that on lowering the piston upon the head of the valve c, and turning it part-way round, the parts interlock, and the two valves, together with the piston and packingcylinder, may be drawn entirely out of the pump.

On the upward stroke of the piston the fluid fills the space between it and the foot-valve, as in ordinary suction-lmmps, and on the downward strokea portion of the fluid is displaced, and forced upward through the hollow piston d into the pump-tube, to be lifted out on the upward stroke.

It will be seen that there is no friction or wear upon any part ofthe pump except upon the hollow rod d, which is amply packed and protected by the. shot and sponge packing, and the latter will prevent the entrance or liassage of any grit or sediment. It is kept tight at all times by the fluid-pressure from above acting upon the upper ring.

I claim as my invention- The packingcylinder l1, with its packingrings t" 7c L, and its described packing, held in place by the fluid-pressure from above, the whole arranged upon the piston, and seated within the pump-barrel, and operating substantially as set forth.

JAMES HORSLEY. Witnesses: t

E. B. FREW, ANDREW B. HowLAND.