US117285A - Improvement in hydraulic air-compressors - Google Patents

Improvement in hydraulic air-compressors Download PDF

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US117285A
US117285A US117285DA US117285A US 117285 A US117285 A US 117285A US 117285D A US117285D A US 117285DA US 117285 A US117285 A US 117285A
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cylinder
air
pressure
water
valve
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
    • F04F1/06—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7793—With opening bias [e.g., pressure regulator]
    • Y10T137/7796—Senses inlet pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7793—With opening bias [e.g., pressure regulator]
    • Y10T137/7822—Reactor surface closes chamber
    • Y10T137/7823—Valve head in inlet chamber
    • Y10T137/7825—Rectilinear valve stem rigid with reactor surface

Definitions

  • My improvements relate to the hydraulic machines used in connection with hydrants or other water-supplying sources under head-pressure for the purpose of forcing air into a reservoir to be used as a motive power for the elevation of liquids; and the iirst part of my invention relates to the construction and combined arrangement of two hydraulic pressurecylinders communicating with each other and with the sources of water-supply and discharge, and also with a pair of outward vertically-moving bars (released by the operation of floats in the pressure-cylinders) connected to each other by a horizontallyf arranged lever; and also to water and air-valves of the pressure-cylinders in such a manner that the falling motion of either one of the two said vertically-moving barscauses the rising ofthe other, and thus together causing the supply and discharge of the water and air required to give alternate action to the"pressure-cylinders; the object of this part of my invention being to effect ⁇ and keep up a constant air-compressing action in the machine.
  • the second part of my invention relates to
  • Figure l is a perspective view of the front side of my improved machine.
  • Fig. 2 is a vertical section of the pressure-cylinder and its immediate attachments, which, together, form the lefthand half of Fig. 1.
  • Fig. 3 is a vertical section of the pressure-cylinder and its immediate attachments, which, together, form the right-hand half of Fig. l.
  • Fig.V 4 is a vertical central section of the usual check-valve, with the regulating-valve between it and the usual receiver, the latter not being shown.
  • the hydraulic pressure-cylinders A and B are of like size and form, are supported close beside each other upon the same platform, and each provided with a floating bent lever, a1 b1, the fulcrum of which is supported in a stationary projection in the inside near 'the upper end of the cylinders, and the weight end articulated to a horizontally sliding stem, a2 b2, which moves easily through the air-valve way-tube a3 b3 of its respective pressure-cylinder.
  • the inner end of the stem has asurroun din g ilan ge, 4, which closes mwater-tight the inner end of the tube when the float is at its full elevation, as shown in the cyl ⁇ inder A, the outer end of the said stem at the same time proj ectin g a short distance beyond the outer end of the tube.
  • the upper half of that part of the stem which is between its flange 4 and the portion which will project at the outer end ofthe tube is cut away so as to leave a passage-way for the external air to enter the cylinder through the opening 5 in the air-valve 6 at the upper end of the pressure-cylinder when the water outlet-valve 7 at the bottom of the cylinder is opened to run off the water.
  • valves 6 and 7 of each cylinder A and B are what are called two-way cocks, and the two of each cylinder are operated simultaneously by means of the outside vertically-moving bars C Of, with which the valves are respectively connected by levers, so that each of the said valves 6 and 7 will be rotated a quarter circle around, to either open or close them during each vertical movement of the bar C C.
  • the two bars C C are articulated to the respective ends of a horizontal connectinglever, D, the middle or fulcrmn-pin of which is iiXed by a bracket or otherwise to the pressure-cylinders A B, so that the downward movement in one of the vertically-moving bars G will cause an upward movement in the other bar.
  • Movement is given to the respective bars C C either by the weight of water, or by compressed air, or by both, as the construction of the machine may require.
  • rI he bar G or the left-hand pressure-cylinder A is, in this instance, operated by water, and the bar C of the righthand pressure-cylinder B is operated by compressed air.
  • Fixed around the bar C ot the cylinder A is a small hollow cylinder, c, the upper and lower ends of which communicate with the pressure-cylinder A through the exible tubes 8 8.
  • a spring-catch, l0 Attached to the upper end of cylinder c is a spring-catch, l0, which, when the said cylinder e has been elevated to its highest position by the lever D, (as will be explainech) catches upon a rest, 11, with its upper end directly opposite to the sliding stem a2, so that when the said stem is pushed outward by the rising float the catch will be detached from its rest and the weight of the filled cylinder c will cause the bar C to fall suddenly, and thus tilt the lever l) and cause it to elevate the bar C of the cylinder B, and at the same time turn the two-way cock 7 so as to let the water run out of A and e, and the twoway cock 6 so as to let air enter at the same time.
  • cylinder B Fixed to the outside of cylinder B is a small cylinder, b3, the lower end of which is open. Through its contracted upper end the bar C moves, surrounded by a close packing. piston, 12, iixcd to the bar C', moves 1n the cylinder, and at a point just above the said piston, when at its highest position, (see Fig. 3,) the cylinder b3 communicates, t-hrough a tube, 13, with the interior of the upper end of the pressure-cylinder B.
  • the upper and the lower ends of the said bar C are articulated to the respective water and air-valves 7 and 6 of the pressure-cylinder B in the same manner as the bar C of cylinder A, so that when either of the bars is at its highest po-.
  • the check-valve Gr allows the conned air to pass from the upper ends of the pressure-cylinders A and B, through the connecting-tube g and valve, into the regulating-valve H, and through the latter into the receiver (not shown) in which the i'luid to be forced or elevated by pressure is placed.
  • the regulating-valve H consists of a hollow cylinder communicating with the check-valve G on. one side and with the intended receiver of the compressed air on the other side.
  • each ofthe pressurecylinders A Bv is concave, has a large hole, 20, in its center, which opens into a downward-sl( pi11 g spout, 21, to the lower part of which the outlet or waste-water valve 7 is attached, so that the deposit of mud, Sac., from the water in the cylinder will run out with the waste water.
  • the sliding stem a2 in combination with the float-lever al and valve-way tube a3, and the spring-catch 10, in combination with the vertically-moving bar c and water-vessel c in communication with the cylinder A through the iiexible tubes 8 8, all constructed and arranged to operate substantially as and for the purpose hereinbefore set forth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Float Valves (AREA)

Description

117285 PATENT@ JUL251871 MyW/*Q UNITED STATES Il aTENT GFETCE.
MICHAEL HEY, OF PHILADELPHIA, PENNSYLVANIA.
IMPROVEMENT IN HYDRAULIC AIR-COMPRESSORS.
Specification forming part of Letters Patent No. 117,285, dated July 25, 1871.
ing Hydraulic Air-Compressing Machines, ofv
which the following is a specification My improvements relate to the hydraulic machines used in connection with hydrants or other water-supplying sources under head-pressure for the purpose of forcing air into a reservoir to be used as a motive power for the elevation of liquids; and the iirst part of my invention relates to the construction and combined arrangement of two hydraulic pressurecylinders communicating with each other and with the sources of water-supply and discharge, and also with a pair of outward vertically-moving bars (released by the operation of floats in the pressure-cylinders) connected to each other by a horizontallyf arranged lever; and also to water and air-valves of the pressure-cylinders in such a manner that the falling motion of either one of the two said vertically-moving barscauses the rising ofthe other, and thus together causing the supply and discharge of the water and air required to give alternate action to the"pressure-cylinders; the object of this part of my invention being to effect `and keep up a constant air-compressing action in the machine. The second part of my invention relates to the devices whereby the iioats in the pressure-cylinders are caused to release and elevate alternately the outside vertically-moving devices.
Figure l is a perspective view of the front side of my improved machine. Fig. 2 is a vertical section of the pressure-cylinder and its immediate attachments, which, together, form the lefthand half of Fig. 1. Fig. 3 is a vertical section of the pressure-cylinder and its immediate attachments, which, together, form the right-hand half of Fig. l. Fig.V 4 is a vertical central section of the usual check-valve, with the regulating-valve between it and the usual receiver, the latter not being shown.
The hydraulic pressure-cylinders A and B are of like size and form, are supported close beside each other upon the same platform, and each provided with a floating bent lever, a1 b1, the fulcrum of which is supported in a stationary projection in the inside near 'the upper end of the cylinders, and the weight end articulated to a horizontally sliding stem, a2 b2, which moves easily through the air-valve way-tube a3 b3 of its respective pressure-cylinder. The inner end of the stem has asurroun din g ilan ge, 4, which closes mwater-tight the inner end of the tube when the float is at its full elevation, as shown in the cyl` inder A, the outer end of the said stem at the same time proj ectin g a short distance beyond the outer end of the tube. The upper half of that part of the stem which is between its flange 4 and the portion which will project at the outer end ofthe tube is cut away so as to leave a passage-way for the external air to enter the cylinder through the opening 5 in the air-valve 6 at the upper end of the pressure-cylinder when the water outlet-valve 7 at the bottom of the cylinder is opened to run off the water. The valves 6 and 7 of each cylinder A and B are what are called two-way cocks, and the two of each cylinder are operated simultaneously by means of the outside vertically-moving bars C Of, with which the valves are respectively connected by levers, so that each of the said valves 6 and 7 will be rotated a quarter circle around, to either open or close them during each vertical movement of the bar C C. The two bars C C are articulated to the respective ends of a horizontal connectinglever, D, the middle or fulcrmn-pin of which is iiXed by a bracket or otherwise to the pressure-cylinders A B, so that the downward movement in one of the vertically-moving bars G will cause an upward movement in the other bar. Movement is given to the respective bars C C either by the weight of water, or by compressed air, or by both, as the construction of the machine may require. rI he bar G or the left-hand pressure-cylinder A is, in this instance, operated by water, and the bar C of the righthand pressure-cylinder B is operated by compressed air. Fixed around the bar C ot the cylinder A is a small hollow cylinder, c, the upper and lower ends of which communicate with the pressure-cylinder A through the exible tubes 8 8. Attached to the upper end of cylinder c is a spring-catch, l0, which, when the said cylinder e has been elevated to its highest position by the lever D, (as will be explainech) catches upon a rest, 11, with its upper end directly opposite to the sliding stem a2, so that when the said stem is pushed outward by the rising float the catch will be detached from its rest and the weight of the filled cylinder c will cause the bar C to fall suddenly, and thus tilt the lever l) and cause it to elevate the bar C of the cylinder B, and at the same time turn the two-way cock 7 so as to let the water run out of A and e, and the twoway cock 6 so as to let air enter at the same time. Fixed to the outside of cylinder B is a small cylinder, b3, the lower end of which is open. Through its contracted upper end the bar C moves, surrounded by a close packing. piston, 12, iixcd to the bar C', moves 1n the cylinder, and at a point just above the said piston, when at its highest position, (see Fig. 3,) the cylinder b3 communicates, t-hrough a tube, 13, with the interior of the upper end of the pressure-cylinder B. The upper and the lower ends of the said bar C are articulated to the respective water and air-valves 7 and 6 of the pressure-cylinder B in the same manner as the bar C of cylinder A, so that when either of the bars is at its highest po-. sition the water in its pressure-cylinder will pass out through the waste-pipe E, and when either of the bars G is at its lowest position the water will enter its pressure-cylinder through the supply-pipe, F, which is intended to be in communication with the hydrant or other water-head supply. The check-valve Gr allows the conned air to pass from the upper ends of the pressure-cylinders A and B, through the connecting-tube g and valve, into the regulating-valve H, and through the latter into the receiver (not shown) in which the i'luid to be forced or elevated by pressure is placed. The regulating-valve H consists of a hollow cylinder communicating with the check-valve G on. one side and with the intended receiver of the compressed air on the other side. It has two opposite conical valves, 14 15, fixed to a vertically-moving stem, 16, which is suspended from a thin spring-disk, l1., which closes the valve-case air-tight with each one of the two conical valves at a short distance from their respective seats in a partition, 17, between them, while -the upper end of the stem 16 projects upward and supports a lever, 18, with a weight, 19, adjusted thereon to allow the air to pass at any desired degree of compression, but to yield upward and close the valve and thus stop the action of the machine when the pressure exceeds the degree required, and opens again when the pressure in the receiver is diminished to the degreerequired; and, when the pressure is too weak, yto continue moving in the same direction downward until it closes the valve and thus stops the machine. The lower end of each ofthe pressurecylinders A Bv is concave, has a large hole, 20, in its center, which opens into a downward-sl( pi11 g spout, 21, to the lower part of which the outlet or waste-water valve 7 is attached, so that the deposit of mud, Sac., from the water in the cylinder will run out with the waste water.
In the operation of this hydraulic air-compressing machine, one of the cylinders heilig emptied of its water, and the outlet of its water-valve 7 and the inlet of its air-valve il being' open, as in cylinder A, the water enters the cylinder B, compresses and forces the contained air through the check and regulating-valves into the receiver, and eventually raises the float-lever b1, which push es outward the stem b2, dislodges the springcatch 10 of the rod C', and the piston 12, in its cylinder b3, is then forced suddenly downward by the compressed air which has access through the tube 13, and thus opens the outlet of the water-valve 7 and the inlet of the air-valve 6, and at the same time elevates the opposite end of the horizontal lever D, which carries up the cylinder c until its spring-hook l() catches over its receiver-stay 11; at the same time the upward movementiof the said bar of cylinder A opens the water-supply way of its valve 7 and closes the air-inlet way of its valve 6. The water now enters, compressing the contained air and forcing it through the pipe g and valves G and H into the receiver until the stem a? of its iioatlever c1 dislodges the hook 1() and allows the bar C to be suddenly forced downward by the weight of the water with which its cylinder C became filled from the pressure-cylinder A, and so on, each pressure-cylinder A and B alternately compressing and forcing air into the receiver.
I claim as my invention--V 1. The communicating hydraulic cylinders A and B, in combination with their respective iioats al b1, vertically-moving' bars C C', and connecting-lever D, water-valves 7 7, and air-if'alves "6 6, all constructed and arranged to operate-in rela-tionto each other, substantially as and for the purpose hereinbefore set forth.
2. rlhe water-cylinder e, in combination with its vertically-moving bar C and pressure-cylinder A, arranged to operate together, substantially as and for the purpose hereinbefore set forth. v
3. The sliding stem a2, in combination with the float-lever al and valve-way tube a3, and the spring-catch 10, in combination with the vertically-moving bar c and water-vessel c in communication with the cylinder A through the iiexible tubes 8 8, all constructed and arranged to operate substantially as and for the purpose hereinbefore set forth.
4. The sliding-stem b2, in combination with the float-lever b1 and valve-way tube b3, and the spring-catch 10, in combination with the vertically-moving bar C', piston 12, cylinder b3, and air-passage way 13 in communication with cylinder B, all constructed and arranged to operate substantially as and for the purpose hereinbefore set forth.
Witnesses BENJ. MoRrscN, WM. I-I. MonisoN.
MICHAEL HEY.
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