US3326135A - Slurry pump - Google Patents

Slurry pump Download PDF

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Publication number
US3326135A
US3326135A US48912065A US3326135A US 3326135 A US3326135 A US 3326135A US 48912065 A US48912065 A US 48912065A US 3326135 A US3326135 A US 3326135A
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Prior art keywords
valve
valve member
housing
pump
open end
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English (en)
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Bobbie R Smith
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Individual
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Priority to BE699782D priority patent/BE699782A/xx
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L23/00—Valves controlled by impact by piston, e.g. in free-piston machines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
    • F01L25/08—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by electric or magnetic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/0038—Piston machines or pumps characterised by having positively-driven valving the distribution member forming a single inlet for a plurality of pumping chambers or a multiple discharge for one single pumping chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/02—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated
    • F04B7/0233—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated a common distribution member forming a single discharge distributor for a plurality of pumping chambers
    • F04B7/0241—Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated a common distribution member forming a single discharge distributor for a plurality of pumping chambers and having an oscillating movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
    • F04B9/109—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers
    • F04B9/117—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other
    • F04B9/1176—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each piston in one direction being obtained by a single-acting piston liquid motor
    • F04B9/1178—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each piston in one direction being obtained by a single-acting piston liquid motor the movement in the other direction being obtained by a hydraulic connection between the liquid motor cylinders
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86831—Selective opening of plural ports

Definitions

  • This invention relates generally to improved reciprocatings pumps useful for pumping concrete slurry and the like. More particularly, but not by way of limitation, this invention relates to an improved slurry pump having an improved valve therein.
  • this invention contemplates an improved pump valve comprising: a housing having an open end, a closed end, and first, second and third openings extending through the wall thereof; a valve member pivotally mounted in the housing and having a bore forming an open end and a closed end, the closed end being disposed adjacent the closed end of the housing, the valve member also including first and second spaced, annular flanges encircling the valve member in sealing engagement with the housing, a pair of spaced members extending between and connected with the flanges, and an aperture extending through the valve member between the anges and spaced members; means journaling the valve member in the housing; and, means connected with the open end of the valve member for pivoting the valve member from a posi- ⁇ tion aligning the aperture with the first opening to a position aligning the aperture with the second opening.
  • this invention contemplates an improved pump for pumping concrete slurry or the like comprising: the pump valve set forth hereinbefore; first and second cylinders having an open end connected with the first and second openings, respectively, in the valve housing; a piston in each of the cylinders; driving means operably connected with the pistons for alternately reciprocating the pistons; la hopper mounted on the open end of the valve member and having an opening in communication with the 'bore in the valve member; and, means connected with the open end of the valve lmember and operably interconnected with the driving means for pivoting the ⁇ valve member from a position wherein the aperture is aligned with the first opening when the piston in the first cylinder is moving relatively away from the open end thereof to a position wherein the aperture is aligned with the second opening when the piston in the second cylinder is moving relatively away from the open end thereof.
  • One object of this invention is to provide an improved pump capable of handling a slurry containing relatively large solid materials, such as the aggregate used when mixing concrete.
  • Another object of this invention is to provide an improved valve for use in a pump capable of handling concrete slurry and the like.
  • Still another object of the invention is to provide an improved concrete pump having an extended service life.v
  • One further object of the invention is t-o provide an improvedv concrete pump and improved v-alve for use therein that can be quickly, easily and economically manufactured.
  • FIG. l is a side elevation view of a pump and valve constructed in Iaccordance with the invention, a portion of the apparatus having -been removed for clarity of illustration;
  • FIG. 2 is a horizontal cross-sectional view of the pump ice and valve of FIG. l, taken substantially -along the line 2-2 of FIG. 1;
  • FIG. 3 is an enlarged, vertical cross-sectional view of the valve illustrated in FIG. 1, taken substantially along the line 3 3 of FIG. 1;
  • FIG. 4 is a schematic diagram illustrating the operation and control of the pump and valve of FIG. 1;
  • FIG. 5 is a cross-sectional View similar to FIG. 3, but illustrating another embodiment of valve also constructed in accordance with the invention.
  • the slurry pump 1 includes a pair of cylinders 12 and 14 (see FIG. 2) connected to a pump valve that is generally designated by the reference character 16.
  • the slurry pump also includes a hemispherically shaped hopper 18 that is attached to the pump valve 16 by a plurality of brackets 20.
  • the hopper 18 has a discharge opening 19 (see FIG. 3) in the lower portion thereof adjacent the pump valve 16.
  • a pair of valve operating cylinders 22 and 24 are operably connected to the pump valve 16 as will be described more fully hereinafter.
  • the cylinders 22 and 24 are connected to a frame 26 that is also connected with the pump valve 16 for the purpose of supporting the pump valve 16 on the vehicle or skid upon which the pump 10 is mounted.
  • FIGS. 2 and 3 illustrate more clearly the structure of the pump valve 16.
  • the pump valve 16 includes a hollow cylindrical housing 28 having an open upper end 30 and a closed lower end 32.
  • the hous ing 28 has an opening 33 extending through the side wall thereof.
  • the opening 33 is in fluid communication with, the cylinder 19 through an adapter 34 that is connected with the cylinder 14.
  • a second opening 36 also extends- -through the side wall of the housing 28 providing communication with the cylinder 12 through an adapter 3S.Ik
  • a third opening 40 extends through the sideV wall of the housing 28 having a discharge member 42- connected therewith.
  • a flexible conduit 44 is connected with the end of the discharge member 42 for the purpose of delivering the slurry from the pump 10 to the location wherein the slurry is tobe used.
  • an O-ring seal 46 is located in an annular groove 48 in the interior of the housing 28.
  • a second O-ring seal 50 is located in an annular groove 52 also located within the interiorof the housing 28 in spaced parallel relation with the annular groove 48.
  • a hollow valve member 54 is pivotally disposed within the interior of the housing 28. As clearly illustrated in FIG. 3, the hollow Ivalve member 54 has a closed lower end 56 that extends radially outwardly forming a lower flange S8 thereon. The outer periphery of the lower flange 58 is in sealing engagement with the O-ring seal 50 in the valve housing 28.
  • a shaft 60 extends downwardly from the closed lower end 56 of the valve member 54 through the closed lower end 32 of the valve housing 28.
  • a thrust bearing 62 encircling the shaft 60, is operably disposed between the closed lower end 56 of the valve member 54 and the closed lower end 32 of the valve housing 28 to journal the valve member 54 in the housing 28.
  • the thrust bearing 62 is of conventional construction and supports the valve member 54 both against thrust loads and radial loads that may be imposed thereon.
  • the vlave member 54 includes a second exterior ange 64 extending radially outwardly therefrom and having its outer periphery in sealing engagement with the O-ring seal 46 in the valve housing 28.
  • the arrangement of the lower ange 58 and the flange 64 in combination with the O-ring seals 46 and 50 forms an annular chamber 66 between the valve housing 28 and the valve member 54.
  • a pair of spaced, vertically extending members 68 and 70 extend between the flanges 58 and 64.
  • Each of the members 68 and 70 has one edge attached to the valve member 54 and has the other edge thereof in engagement with the interior of the valve housing 28.
  • the valve member 54 also includes an aperture 72 that extends through the wall thereof providing communication from the interior of the hollow Valve member 54 into the space defined by the flanges 58 and 64 and the vertically extending members 68 and 70 for purposes that will become more apparent as the description proceeds.
  • An upper annular ange 74 encircles the upper open end 76 of the valve member 54.
  • the upper annular flange 74 is connected to a sleeve 78 that is attached to the valve member 54 by a plurality of threaded fasteners 80.
  • a shorter sleeve 82 is connected with and depends from the upper annular flange 74 near the outer periphery thereof.
  • the sleeve 82 carries a bearing member 84 that may be suitably constructed from a lubricant impregnated sintered bronze or the like.
  • the bearing member 84 is in engagement with the valve housing 28 to journal the upper end of the valve member 54 therein.
  • a partially threaded aperture 86 extends through the valve housing 28 adjacent the exterior of the bearing member 84.
  • a zirk tting 88 is threaded into the partially threaded aperture 86 to provide for lubrication of the bearing member 84 from the exterior of the pump valve 16.
  • a pair of operating members 90 and 92 are connected with the upper annular ange 74 by a plurality of threaded fasteners 94. As shown in FIGS. 1 and 4, the operating members 90 and 92 (only the member 90 is shown in FIG. 1) are pivotally connected with rod portions 95 and 96, respectively, of pistons 98 and 100 that are reciprocally disposed in the cylinders 22 and 24, respectively.
  • the cylinders 12 and 14 have pistons 102 and 104 reciprocally disposed therein.
  • a piston rod 106 of the piston 102 is connected with a piston 108 disposed in a hydraulic cylinder 110 (see FIG. 4).
  • the piston 104 disposed in the cylinder 14 has a piston rod 112 connected with a piston 114 that is reciprocally disposed in a hydraulic cylinder 116.
  • the pump is shown schematically to illustrate the arrangement of the hydraulic apparatus for both actuating the pump pistons 102 and 104 and for operating the pump valve 16.
  • the hydraulic cylinders 110 and 116 are connected with a solenoid-actuated, four-way valve 118 by conduits 120 and 122, respectively.
  • the solenoid-actuated valve 118 is also connected with a pump 124 by a conduit 126 and with a hydraulic fluid reservoir 128 by a conduit 130.
  • the solenoid-actuated valve 118 is a commercially available valve arranged to permit ow therethrough in the direction of the solid arrows, as shown in FIG. 4, when in one position and, when shifted to another position, to permit ow therethrough in the direction of the dash arrows shown in FIG. 4.
  • Solenoids 119 and 121 are mounted on the valve 118 to shift the valve between the operating positions described.
  • the solenoid 119 is connected by a conductor 132 with a ground 133 and by a conductor 134 with a switch 135 that is mounted on the pump 10 in a position to be actuated by the valve operating member 90.
  • a conductor 138 is connected with a battery or source of electrical potential 140.
  • the battery 140 is connected with the ground 133 to complete the electrical circuit associated with the switch 135 and solenoid 119.
  • the solenoid 121 on the valve 118 is connected with ground 133 by a conductor 139 and with a switch 141 by a conductor 143.
  • the switch 141 is arranged for actuation by the valve operating member 92.
  • a conductor 145 connects the switch 141 with the battery 140.
  • a conduit 142 extends between the cylinders 110 and 116 to provide communication therebetween on one side of the pistons 108 and 114.
  • the pump 124 is connected with a suction conduit 144 that extends into the uid reservoir 128.
  • a solenoid-actuated, four-way valve 146 is connected with the hydraulic cylinders 22 and 24 by conduits 148 and 150, respectively.
  • the solenoid-actuated valve 146 is a commercially available valve arranged to permit ow therethrough, when in one position, in the direction as shown by the solid arrows in FIG. 4 and, when shifted to another position, to permit ow therethrough in the direction of the dash arrows shown in FIG. 4.
  • Solenoids 147 and 149 are mounted on the valve 146 to shift the valve 146 between the operating positions described.
  • a conduit 152 connects the solenoid-actuated valve 146 with the conduit 130 that extends from the solenoidactuated valve 118 to the fluid reservoir 128.
  • a conduit 154 connects the solenoid-actuated valve 146 with the pump 124.
  • Opposite ends of the cylinders 22 and 24 are connected in fluid communication by a conduit 156.
  • the ⁇ other ends of the cylinders 22 and 24 are connected by a conduit 158'.
  • the solenoid 147 is connected with the ground 133 by a conductor 160 and is connected with a switch 162 by a conductor 164.
  • the switch 162 is positioned adjacent the piston rod 106 so that it will be actuated by a switch actuating member 163 mounted on the rod 106.
  • a conductor 166 extends from the switch 162 to the source of electrical potential 140 to complete the electrical circuit associated with the solenoid 147.
  • the solenoid 149 on the valve 146 is connected with the ground 133 by a conductor 168 and with a switch 170 by a conductor 172.
  • the switch 170 is disposed adjacent the piston rod 112 so that it is actuated by a switch actuating member 174 mounted on the piston rod 112.
  • a conductor 176 connects the switch 170 with the battery 140.
  • FIG. 4 The operation of the slurry pump 10 may be best understood by reference to FIG. 4.
  • the pump valve 1-6 has been broken down into two components.
  • the view in the lower left hand portion of FIG. 4 illustrates the pump valve 16 with the upper portion thereof removed similar to the sectional view of FIG. 2.
  • the upper annular flange 74 of the valve is illustrated so that the ⁇ operation of the hydraulic cylinders 22 and 24 to position the valve member 54 may be more clearly illustrated.
  • the pump valve 16 in actual practice is constructed as previously described.
  • tluid from the hydraulic cylinder 116 on the opposite side of the piston 114 passes through the conduit 142 into the hydraulic cylinder 110, driving the piston 108 relatively toward the solenoid-actuated valve 118, that is, toward the position illustrated in FIG. 4.
  • the simultaneous movement of the piston 102 in response to the movement of the piston 108 relatively away from the pump valve 16 creates a reduced pressure in the cylinder 12 and adapter 38 so that slurry contained in the hopper 18 (see FIG. 3) flows through the discharge opening 19 therein into the interior of the valve member 54, through the aperture 72, through the adapter 38 and into the cylinder 12.
  • the valve -member S4 is illustrated in FIG. 4 as being positioned with the aperture 72 therein disposed in communication with the cylinder 12.
  • the positioning of the valve member 54 is accompli-shed by positioning the solenoid-actuated valve 146 so thatfluid ow therethrough follows the dash arrows shown in FIG. 4. With the solenoid-actuated valve 146 in this position, iluid flows from the pump 124 through the conduit 154 into the solenoid-actuated valve 146 and through the conduit 148 into the cylinder 22.
  • the piston 98 is driven relatively toward the pump valve 16 and, due to the connection between the piston rod 9,5 ⁇ and the valve operating member 90, rotates the upper annular flange 74 and the attached valve member 54to the position wherein the aperture 72 is in communicationwith the cylinder 12.
  • the fluid in the cylinder 22 on the opposite side of the piston 98 passes through the conduit 156 to the cylinder 24 and outwardly therefrom through the conduit 150, the solenoid-actuated valve 146 and, the conduit 152 into the iluid reservoir 12,8.,Also, ud entering the cylinder 22 from the conduit 148 passes through the conduit 158 into the cylinder 24, driving the piston 100 relatively toward the solenoid-actuated valve 146 and, thus, exerting a force through the piston rod 96 on the valve operating member 92 to aid in rotating the valve member 54.
  • the switch actuating member 174 mounted thereon engages the switch 170 to move it to the closed position to energize the solenoid 149 on the valve 146.
  • the solenoid-actuated valve 146 is thus energized, the valve 146 is shifted by the solenoid 149 to the position wherein flow therethrough is in the direction of the solid arrows. Fluid owing through the conduit 154 from the pump 124 is then diverted into the conduit 150 and into the cylinder 24.
  • the piston 100 As the fluid enters the cylinder 24, the piston 100 is driven relatively toward the pump valve 16. Also, the fluid Hows through the conduit 156 into ⁇ the cylinder 22 to drive the piston 98 relatively away from the pump valve 16. The combined forces exerted on the ⁇ pistons 98 and 100 rotate the valve member 54 to a position (not shown) wherein the aperture 72 in the valve members 54 is in communication with the cylinder 14.
  • valve operating member 90 engages the switch 135.
  • the engagement of the switch 135 and the valve operating member 90 closes the switch 135 and energizes the solenoid 119 on the valve 118.
  • Energizing the solenoid 119 on the valve 118 shifts the valve 118 until the fluid flow path therethrough is in the direction of the solid line arrows illustrated in FIG. 4.
  • slurry from the hopper 1S flows downwardly through the discharge opening 19 into the interior of the valve member 54. From the in- ⁇ terior of the valve member 54 the slurry flows through the apertures 72 into the adapter 34 tilling the cylinder 14.
  • the hopper 18 (see FIG. l) l is attached to the valve 16 and, more specifically, the hopper 18 is attached to the upper annular flange 74 of the valve member 54.
  • the hopper 18 moves with the valve member 54 as the valve member 54 is alternatelyr positioned to provide communication between the aperture 72 and the cylinders 12 and 14.
  • the relatively viscous slurry is constantly agitated and thus does not have an opportunity to adhere to the hopper 18, thus, preventing the discharge of the slurry from the hopper 18 into the valve member54.
  • the valve 200 includes a valve body 202 having a closed i lower end 204 and a substantially open end 206.
  • An annular member 208 is connected with the open end 206 y of the valve body 202 and extends inwardly terminating adjacent a valve member 210.
  • An O-ring seal 212 is disposed in an O-ring groove 214 formed in the interior or bore of the valve body 202 relatively near the open end 206.
  • a second O-ring seal 216 is disposed in an annular groove 218 formed in the interior of the valve body 202 relatively near the closed lower end 204.
  • the valve body 202 includes spaced openings 205 and 207 extending through the wall thereof.
  • a third opening, corresponding to the opening 40 (see FIG. 2) is also provided although it is not illustrated.
  • the valve member 210 includes an open end 220 and a closed lower end 222.
  • the closed lower end 222 extends radially outwardly forming a flange 224 that has its periphery in sealing enga-gement with the O-ring seal 216.
  • a liange 226 encircles the valve member 210 extending radially outwardly therefrom into sealing engagement with the O-ring seal 212.
  • a pair of vertically disposed members 228 and 230 (shown in dash lines in FIG. extend between the flanges 224 and 226. It will be understood that the members 228 and 230 are constructed similarly to the members 68 and 70 previously described in connection with the valve 16. The members 228 and 230 have one edge (not shown) connected with the valve member 210 and the other edge thereon extending into sliding engagement with the interior of the valve body 202. An aperture 232 extends through the valve member 210 between the flanges 224 and 226 and between the members 228 and 230.
  • a shaft 2'34 extends from the closed lower end 222 of the valve member 210 through the closed lower end 204 of the valve body 202.
  • a thrust bearing 236 encircles the shaft 234 and engages the closed lower end 204 of the valve body 202 to rotatably support the valve member 210 therein.
  • a second thrust bearing encircles the valve member 210 above the flange 226.
  • a lower race 240 of the thrust bearing 238 is connected with the valve member 210 while an upper race 242 engages the annular member 208 of the valve body 202.
  • a sleeve 244 extends downwardly from the annular member 208 to slidingly support the upper race 242.
  • a plurality of threaded members 246 extend through the ⁇ annular member 208 into engagement with the upper race 242. The threaded members 246 are provided so that the thrust bearing 238 can be forced downwardly relative to the valve body 2012, thereby eliminating any vertical movement between the valve member 210 and the valve body 202.
  • a generally hemispherical hopper 18a having an opening 19a therein is connected with the open end 220 of the valve member 210.
  • the hopper 18a is connected with the valve member 210 by a sleeve 250 that is attached to the hopper 18a and encircles the open end 220 of the valve member 210.
  • a plurality of threaded fasteners 252 extend through the sleeve 250 into engagement with the valve member 210 to securely retain the hopper 18a thereon.
  • Valve operating members 254 and 256 are attached to the sleeve 250 and extend outwardly therefrom. As illustrated in FIG. 5, the piston rods 95 and 96 are pivotally connected with the valve operating members 254 and 256, respectively.
  • valve 200 may be used in lieu of the valve 16 in combination with the pump 10. It should also be apparent from the foregoing detailed description that the operation of the valve 200, with the exception of the upper thrust bearing 238 which has been substituted for the sleeve bearing 84, is identical in operation to the valve 16.
  • a pump valve comprising:
  • a housing having a bore extending partially therethrough defining an open end and a closed end and having first, second and third openings extending through the wall of said housing into said bore;
  • valve member pivotally mounted in said bore and having a bore extending partially therethrough defining an open end and a closed end, the closed end of said valve member being disposed adjacent the closed end of said housing, said valve member having a first annular flange adjacent the open end of said valve member in sealing engagement with said housing,
  • valve meinber means connected with the open end of said valve meinber for pivoting said valve member from a position wherein said aperture is aligned with said first opening and said second and third openings are in cornmunication to a position wherein said aperture is aligned with said second opening and said first and third openings are in communication.
  • a pump valve comprising:
  • a housing having a bore extending partially therethrough defining an open end and a closed end;
  • first, second and third openings extending radially through the wall of said housing into said bore
  • first and second annular seals disposed in spaced annular grooves in said housing adjacent said bore, said first annular seal being located between said openings and the closed end of said housing, said second annular seal being located between said openings and the open end of said housing;
  • valve member having an open end adjacent the operi end of said housing and journaled in said housing, the open end of said valve member being exposed through the open end of said housing for mounting an externally accessible material holding element thereon to move with said valve member relative to said housing and to feed material to the hollow interior of said valve member, said valve member being located in said bore and including a first annular flange sealingly engaging said second annular seal,
  • valve member means connected with said valve member for pivoting said valve member from a position whe-rein said aperture is in communication with said first opening and said second and third openings are in communication to a position wherein said aperture is in cornmunication with said second opening and said first and third openings are in communication.
  • a pump valve comprising:
  • a housing having a bore extending partially therethrough defining an open end and a closed end in said housing, said housing also having first, second and third radially spaced openings in the wall thereof extending into said bore, a first annular groove adjacent said bore and between said openings and the open end of said housing, and a second annular groove adjacent said bore and between said openings and the closed end of said housing;
  • valve member having a bore extending partially therethrough defining an open end and a closed end in said valve member, said open end being disposed ⁇ adjacent the open end in said housing, said valve member also having an aperture extending through the wall thereof into the bore in said valve member;
  • first bearing means disposed between the periphery of said first annular flange and said housing to journal said valve member in said housing;
  • a third annular flange connected with said valve member in spaced parallel relation to said second annular flange and having a periphery in sealing engagement with the annular seal in said second annular groove, said second and third annular flanges being located on said valve member on opposed sides of said aperture;
  • valve member means connected with the open end of said valve member for pivoting said valve member from a position wherein said aperture is aligned with said lfirst opening and said second and third openings are in communication to a position aligning said aperture with said second opening and said first and third openings are in communication;
  • said first bearing means includes:
  • a thrust bearing connected with the closed end of said housing and valve member and encircling said shaft for rotatably supporting said valve member in said housing against both thrust and radial forces.
  • a pump valve comprising:
  • a housing having a bore extending partially there through defining an open end and a closed end in said housing, said housing also having first, second and third radially spaced openings in the wall thereof extending into said bore, a first annular groove adjacent said bore and between said openings and the open end of said housing, and a second annular groove adjacent said bore and between said openings and the closed end of said housing;
  • valve member having a bore extending partially therethrough defining an open end and a closed end in said valve member, said open end being disposed adjacent the open end in said housing, said valve member also having an aperture extending through the wall thereof into the bore in said valve member;
  • first annular flange connected with the open end of said housing and having an inner periphery proximate said valve member
  • first bearing means disposed between said first annular flange and said valve member to journal the open end of said valve member in said housing;
  • said second and third annular flanges being located on said valve member on opposed sides of said aperture;
  • valve member means connected with the open end of said valve member for pivoting said valve member from a position wherein said aperture is aligned with said first opening and said second and third openings are in communication to a position aligning said aperture with said second opening and said first and third openings are in communication.
  • a thrust bearing having one race connected with said valve member and having the other race located for sliding movement in said annular sleeve;
  • a pump for pumping concrete slurry comprising:
  • first and second cylinders each having an open end and a closed end
  • a piston reciprocally disposed in each of said cylinders and having an elongated rod portion extending through the closed end of said cylinders;
  • valve housing having a bore extending partiallytherethrough forming an open end and a closed end in said housing, said housing having a first opening in the wall thereof in communication with the open end of said first cylinder, a second opening in the wall thereof in communication with the open end of said second cylinder, and a third opening in the wall thereof; a valve member located in the bore in said housing and j ournaled therein and having a bore extending partially therethrough forming an open end and a closed end, the open end being disposed adjacent the open end of said housmg,
  • a hopper member mounted on the open end of said valve member and having an opening therein in communication with the bore in said valve member;
  • valve member means connected with the open end of said valve member and operably interconnected with said driving means for pivoting said valve member from a position wherein said aperture is in communication with said first opening and said second and third openings are in communication when the piston in said second cylinder is moving toward the open end of said second cylinder to a position wherein said aperture is in communication with said second opening and said first and third openings are in communication when the piston in said first cylinder moving toward the open end of said first cylinder.
  • said driving means includes:
  • first shiftable valve means operably interconnected with said hydraulic pump and with said -lirst and second hydraulic cylinders for directing fluid alternately to said hydraulic cylinders;
  • first control means engageable with the means for pivotA ing said valve member and -connected with said valve means to shift said first valve means to alternate the flow of fluid to said hydraulic cylinders.
  • second shiftable valve means operably interconnected between said hydraulic pump and third and fourth hydraulic cylinders for directing lluid alternately to said third and fourth hydraulic cylinders;
  • second control means engageable with one of said rod portions and connected with said second shiftable valve means for shifting said second shiftable valve means to alternate the flow of fluid between said third and fourth hydraulic cylinders in timed relation with the movement of said rod portion.
  • first and second shiftable valve means are solenoid-actuated, four-way valves; and, wherein said first and second control means include:
  • a pump valve comprising:
  • a housing having a bore extending partially therethrough defining an open end and a closed end and having first, second and third openings extending through the wall of said housing into said bore;
  • valve member pivotally mounted in said bore and having a bore extending partially therethrough and opening through one end of said valve member, the opposite end of said valve member being disposed adjacent the closed end of said housing, said valve member havin-g a first flange extending at least partially around said valve member adjacent the open end of said valve member in sealing engagement with said housing,
  • a pump valve for dispensing a viscous material susceptible to setting up upon standing comprising:
  • a hollow housing having an open end and having first, second and third openings extending through the wall of said housing and communicating with the hollow interior of the housing;
  • valve member pivotally mounted in said housing and having a bore extending partially therethrough and opening through an end of said valve member disposed at the open end of said housing, said valve member having a tirst annular flange secured around said valve member concentric to the lpivotal axis of said valve member and in sealing engagement with said housing;
  • valve member means connected to said valve member adjacent said hopper for pivoting the hopper and simultaneously pivoting said valve member from a position wherein said aperture is aligned with said first opening in said housing, and said second and third openings are in communication, to a position wherein said aperture is aligned with said second opening, and said first and third openings are in communication.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)
US48912065 1965-09-22 1965-09-22 Slurry pump Expired - Lifetime US3326135A (en)

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US48912065 US3326135A (en) 1965-09-22 1965-09-22 Slurry pump
BE699782D BE699782A (US08197722-20120612-C00093.png) 1965-09-22 1967-06-12

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3647325A (en) * 1968-04-15 1972-03-07 Cons Concrete Ltd Concrete pump
US3810719A (en) * 1970-11-23 1974-05-14 Papillon Ess Pump for discharging a predetermined quantity of fluid
US3994627A (en) * 1973-11-16 1976-11-30 Fogt Industriemaschinenvertretung A.G. Pumping apparatus for wet concrete
US4167373A (en) * 1973-05-11 1979-09-11 C.A.V. Limited Fuel injection pumping apparatus
US4527954A (en) * 1983-01-14 1985-07-09 Halliburton Company Pumping apparatus
WO2018089439A1 (en) * 2016-11-11 2018-05-17 Vector Technologies, Inc. Method and system for intensifying slurry pressure
US10156237B2 (en) 2017-02-10 2018-12-18 Vector Technologies Llc Method and system for injecting slurry using concentrated slurry pressurization
US10156857B2 (en) 2017-02-10 2018-12-18 Vector Technologies Llc Method and system for injecting slurry using one slurry pressurizing tank
US10156132B2 (en) 2017-02-10 2018-12-18 Vector Technologies Llc Method and system for injecting slurry using two tanks with valve timing overlap
US10161421B2 (en) 2015-02-03 2018-12-25 Eli Oklejas, Jr. Method and system for injecting a process fluid using a high pressure drive fluid
CN110803507A (zh) * 2019-10-21 2020-02-18 苏师大半导体材料与设备研究院(邳州)有限公司 一种建筑材料高效推送方法
US10766009B2 (en) 2017-02-10 2020-09-08 Vector Technologies Llc Slurry injection system and method for operating the same
US10837465B2 (en) 2017-02-10 2020-11-17 Vector Technologies Llc Elongated tank for use in injecting slurry

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1810766A (en) * 1930-03-04 1931-06-16 Hohulin Wilhelm Friedrich Fluid reversing valve
US2796032A (en) * 1952-10-03 1957-06-18 Torkret Gmbh Piston pumps
US3096788A (en) * 1961-08-21 1963-07-09 William Y Talbot Rotary valve
US3146721A (en) * 1960-08-08 1964-09-01 Schwing Friedrich Wilhelm Hydraulic piston pump for the pumping of viscous pulpy or plastic substances

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1810766A (en) * 1930-03-04 1931-06-16 Hohulin Wilhelm Friedrich Fluid reversing valve
US2796032A (en) * 1952-10-03 1957-06-18 Torkret Gmbh Piston pumps
US3146721A (en) * 1960-08-08 1964-09-01 Schwing Friedrich Wilhelm Hydraulic piston pump for the pumping of viscous pulpy or plastic substances
US3096788A (en) * 1961-08-21 1963-07-09 William Y Talbot Rotary valve

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3647325A (en) * 1968-04-15 1972-03-07 Cons Concrete Ltd Concrete pump
US3810719A (en) * 1970-11-23 1974-05-14 Papillon Ess Pump for discharging a predetermined quantity of fluid
US4167373A (en) * 1973-05-11 1979-09-11 C.A.V. Limited Fuel injection pumping apparatus
US3994627A (en) * 1973-11-16 1976-11-30 Fogt Industriemaschinenvertretung A.G. Pumping apparatus for wet concrete
US4527954A (en) * 1983-01-14 1985-07-09 Halliburton Company Pumping apparatus
US10161421B2 (en) 2015-02-03 2018-12-25 Eli Oklejas, Jr. Method and system for injecting a process fluid using a high pressure drive fluid
US10138877B2 (en) 2016-11-11 2018-11-27 Vector Technologies Llc Method and system for intensifying slurry pressure
WO2018089439A1 (en) * 2016-11-11 2018-05-17 Vector Technologies, Inc. Method and system for intensifying slurry pressure
US10156237B2 (en) 2017-02-10 2018-12-18 Vector Technologies Llc Method and system for injecting slurry using concentrated slurry pressurization
US10156857B2 (en) 2017-02-10 2018-12-18 Vector Technologies Llc Method and system for injecting slurry using one slurry pressurizing tank
US10156132B2 (en) 2017-02-10 2018-12-18 Vector Technologies Llc Method and system for injecting slurry using two tanks with valve timing overlap
US10155205B2 (en) 2017-02-10 2018-12-18 Vector Technologies Llc Method and system for injecting slurry using concentrated slurry pressurization
US10156856B2 (en) 2017-02-10 2018-12-18 Vector Technologies Llc Method and system for injecting slurry using two cooperating slurry pressurizing tanks
US10766009B2 (en) 2017-02-10 2020-09-08 Vector Technologies Llc Slurry injection system and method for operating the same
US10837465B2 (en) 2017-02-10 2020-11-17 Vector Technologies Llc Elongated tank for use in injecting slurry
CN110803507A (zh) * 2019-10-21 2020-02-18 苏师大半导体材料与设备研究院(邳州)有限公司 一种建筑材料高效推送方法

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