EP0655557A1 - Dispositif pour le refoulement de fluides - Google Patents

Dispositif pour le refoulement de fluides Download PDF

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Publication number
EP0655557A1
EP0655557A1 EP94118273A EP94118273A EP0655557A1 EP 0655557 A1 EP0655557 A1 EP 0655557A1 EP 94118273 A EP94118273 A EP 94118273A EP 94118273 A EP94118273 A EP 94118273A EP 0655557 A1 EP0655557 A1 EP 0655557A1
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EP
European Patent Office
Prior art keywords
valve
flange
valve member
housing
axial direction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP94118273A
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German (de)
English (en)
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EP0655557B1 (fr
Inventor
Florian Masch.Ing.Htl Schlumpf
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Individual
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Individual
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Publication date
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Publication of EP0655557A1 publication Critical patent/EP0655557A1/fr
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Publication of EP0655557B1 publication Critical patent/EP0655557B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F04F7/00—Pumps displacing fluids by using inertia thereof, e.g. by generating vibrations therein
    • F04F7/02—Hydraulic rams

Definitions

  • the invention relates to a device for conveying liquid media, in particular in the form of a liquid column, in which device in a pressure chamber which is connected to an inlet channel and an outlet channel and is arranged in a housing and seals at least one valve member acted upon by the liquid with the outlet channel in such a manner can be brought into engagement such that a pressure surge caused in the pressure chamber keeps a valve device connected to the pressure chamber and to an associated pressure vessel in the open position until a pressure equalization which causes the valve device to open is achieved between the pressure chamber and the pressure vessel.
  • devices in the form of so-called impact lifters or pressure surge pumps are generally known, by means of which the liquid can be conveyed from a first level to a second, higher level.
  • an outflow opening is suddenly closed by an associated shock valve and moved by a liquid column moving in a supply line
  • a non-return valve connected to a pressure vessel is opened by the abruptly decelerated liquid column and by the build-up of pressure in the pump chamber (pressure chamber), so that the liquid flows from the pump chamber (pressure chamber) into the pressure vessel and compresses the existing air, which acts on the Pressurized liquid located and pushes it up into a pressure line connected to the pressure container to the higher-lying container.
  • the check valve closes and the process begins again.
  • Devices of this type designed as a jack or pressure pump, are also known under the name "hydraulic ram".
  • the invention has for its object to improve a device of the type mentioned in such a way that with relatively simple constructive means streamlined conditions and relatively small movements large cross-sectional changes are achieved and thus relatively large amounts of liquid are promoted from a first level to a higher level can.
  • valve device is designed as a hollow cylindrical pressure chamber and has a number of through openings which are arranged at a distance from one another in the axial direction and in the circumferential direction and are connected to the pressure chamber and can be closed by means of an associated valve body, and in the pressure chamber of the valve device the valve member is arranged, which is operatively connected to an impact body arranged in the axial direction outside the pressure chamber and acted upon by the liquid and can be sealingly engaged with the outlet channel by a movement oriented in the axial direction.
  • devices designed as surge pumps and connected to a pressure container are used, for example, which devices are connected via a supply line are connected to the first container and via a pressure line connected to the pressure container to the second container provided as a reservoir.
  • the individual elements connected to the device form a self-contained, not shown conveyor system.
  • FIGS. 1 to 3 Two exemplary embodiments of the device for conveying liquid media and in connection with FIGS. 4 to 24 exemplary embodiments of individual functional elements for the device according to the invention are described below in connection with FIGS. 1 to 3.
  • a device 100 shown schematically and in a sectional view, which comprises a housing 10 connected to a feed line 1 and at least one pressure vessel 5 arranged thereon.
  • the pressure vessel 5 is connected via a valve device 45 to a pressure chamber 26 arranged in the housing 10.
  • the housing 10 has a first housing wall 11 and a second housing wall 14 at a distance from it in the axial direction. Between the front and rear housing walls 11 and 14 are spaced intermediate walls 12 and 13 through which the housing 10 into individual chambers 26 , 28 and 29 is divided.
  • the walls 11, 12, 13 and 14, which are spaced apart in the axial direction, are assigned outer walls 15, 16 and 17, so that the housing 10 forms a self-contained unit.
  • the housing 10 provided with the individual chambers 26, 28 and 29 is designed, for example, as a cylindrical hollow body for accommodating corresponding functional elements.
  • At least one pressure vessel 5, which is connected to a chamber 18, is arranged on the outer wall 17 and is fastened to a connecting piece 19 of the housing 10 via a first flange connection 4.
  • a further connecting piece 3 ′ is arranged on the pressure container 5, to which a pressure line 2 connected to a container (not shown) is connected by means of a second flange connection 3.
  • the first housing wall 11 has an inlet channel 25 which widens conically in the flow direction and is connected to the feed line 1.
  • the conical inlet channel 25 opens into the pressure chamber 26 arranged between the two walls 11 and 12.
  • the pressure chamber 26 is essentially formed by an intermediate piece 20 arranged between the two walls 11 and 12.
  • the intermediate piece designed as a cylindrical hollow body is referred to below as valve housing 20.
  • the pressure chamber 26 is connected to the collecting chamber 28 via an outlet channel 27 which is arranged essentially in the first intermediate wall 12 and tapers in the flow direction.
  • a drain line 6 connected to the collecting chamber 28 is connected to the outer wall 16.
  • the cylindrical valve housing 20 is provided in the axial direction and in the circumferential direction with channels 21, 21 'arranged at a distance from one another and penetrating the wall 20' of the valve housing 20.
  • the individual channels 21, 21 ' form a connection between the pressure chamber 26 and the valve chamber 18, which completely surrounds the valve housing 20 and is delimited by the outer wall 17.
  • the valve device Arranged in the valve chamber 18 is the valve device, designated as a whole by 45, which is operatively connected to the channels 21, 21 'of the valve housing 20.
  • the valve device 45 and further expedient exemplary embodiments thereof will be described in detail later in connection with FIGS. 9 to 14.
  • a deflection body 40 and a valve member 30 that is operatively connected to the deflection body 40 are arranged in the pressure chamber 26.
  • the deflecting body 40 has a chamber 41 surrounded by a cylindrical section 43, a centrally arranged bore 44 and a conical section 42.
  • the conical section 42 extends on the side facing the feed line 1 into the conical inlet channel 25.
  • the deflecting body 40 is also in the area of the inlet channel 25 with ribs (not shown) arranged distributed around the circumference on the inside 11 ′ of the housing wall 11 attached.
  • the valve member 30 has a cylindrical section 31 designed as a piston and a conical section 33 formed thereon, which extends with its front part into the conical outlet channel 27.
  • a first piston rod 32 is arranged on the cylindrical section 31 of the valve member 30, which is supported in the bore 44 of the deflecting body 40 and is displaceably guided in the axial direction in the bore 44.
  • an impact body 35 provided with a conical surface 34 is arranged in the collecting chamber 28.
  • the impact body 35 is operatively connected to the valve member 30 via a second piston rod 36.
  • a damping element 38 Arranged on the impact body 35 on the side facing the second intermediate wall 13 is a damping element 38 and a third piston rod 37 penetrating the second intermediate wall 13 and reaching into the chamber 29.
  • Two actuators 9, 9 'and a spring element 8 are arranged on the third piston rod 37.
  • the spring element 8 is supported at one end on the inside 14 'of the second housing wall 14 and at the other end on the one actuator 9.
  • FIG. 2 shows the device 100 described above in detail in connection with FIG. 1 in a second position, in which the valve member 30 acted upon by the supplied medium (arrows not designated in any more detail) with the conical section 33 sealingly against the conical inner wall 12 'of the first intermediate wall 12 is engaged and the impact body 35 with the damping element 38 is pressed against the inside 13' of the second intermediate wall 13.
  • the outlet duct 27 (FIG. 1) is sealed by the valve member 30, which is still guided in the bore 44 with the piston rod 32.
  • the piston part 31 is arranged outside the chamber 41 of the deflection body 40, so that the liquid medium presses against the end face 31 ′ of the piston part 31 and thereby the valve member 30 presses sealingly against the inner wall 12 'of the outlet channel 27.
  • the pressure building up in the pressure chamber 26 causes the valve device 45 to open, so that the medium when the valves 23 (FIG. 2) are raised through the channels 21, 21 ′ into the valve chamber 18 and from there into the connected pressure vessel 5 streams.
  • the liquid medium is supplied to the housing 10 in the direction of arrow X from a container (not shown) arranged on a first level via the feed line 1.
  • the medium is directed along the outer contour of the deflecting body 40 into the pressure chamber 26 and from there along the outer contour of the valve member 30 into the collecting chamber 28 in accordance with the arrows, which are not described in any more detail. Due to the medium striking the conical surface 34 of the impact body 35 in the direction of the arrow X ', the impact body 35 is suddenly moved in the axial direction.
  • the compression spring 8 Due to the pressure acting on the impact body 35, the compression spring 8 is pressed against the inside 14 'of the housing wall 14 and at the same time the valve member 30 is sealingly engaged with the inside wall 12' of the outlet channel 27, as a result of which the flow through the pressure chamber 26 (pump chamber) is abruptly interrupted becomes.
  • the medium striking the conical surface 34 of the impact body 35 is deflected in the direction of the arrow Y 'and is discharged, for example, via the drain line 6 connected to the outer wall 16.
  • the abrupt closing and sealing of the outlet channel 27 results in a relatively strong pressure increase in the pressure chamber 26, as a result of which the individual valve bodies 23 are raised, as shown in FIG. 2, and the valve device 45 is thus opened briefly.
  • the medium flows into the valve chamber 18 and from there via the nozzle 19 into the pressure container 5.
  • the liquid medium is fed into the pressure container 5 as long as the pressure in the Pressure chamber 26 is greater than the pressure in the pressure vessel 5.
  • the individual valve bodies 22 are automatically brought into engagement with the valve housing 20 again and the valve device 45 is thus closed again.
  • the valve member 30 is pressed back into the position shown in FIG. 1 by the restoring force of the compression spring 8.
  • FIG. 3 shows a second exemplary embodiment, shown in section and partially broken away, of a device designated as a whole by 200.
  • the device 200 essentially comprises a housing part 111, a connecting flange 160, a first intermediate flange 112 arranged at a distance from it and an outer flange 155 arranged at a distance from it.
  • the parts 111, 160 and 112 form an in the assembled state (FIG. 3) Entire housing marked with 110.
  • an intermediate piece 117 designed as a cylindrical hollow body, which essentially forms a valve chamber 118 and a pressure chamber 126 (pump chamber) with its interior.
  • valve chamber 118 and the pressure chamber 126 are connected to one another via a valve device 120 partially shown in FIG. Exemplary embodiments of the valve device 120 are described in detail later in connection with FIGS. 9 to 14.
  • the intermediate piece 117 is centered and supported on shoulders 167 and 119 provided accordingly on the connecting flange 160 and on the intermediate flange 112.
  • the valve device 120 as well as a valve member 130 and a deflection body 140 are arranged in the pressure chamber 126 between the two flanges 112 and 160.
  • an impact body 135 and a stop body 150 are arranged between the intermediate flange 112 and the outer flange 155.
  • the deflection body 140 is by means of Screws 144 attached to a hub piece 164 of the connecting flange 160.
  • the housing part 111 has an inlet channel 125 which widens conically in the flow direction and opens into the pressure chamber 126.
  • a pressure and supply line 101 is arranged on one side of the housing part 111 and is fastened to the housing part 111 together with a flange 109 and screws 108.
  • a flange 111 ′ designed to abut the second connection flange 160 is provided.
  • the deflecting body 140 is mounted on a tubular spacer 103.
  • the spacer 103 is operatively connected at one end to the valve member 130 and is penetrated by a connecting rod 102 oriented in the axial direction of the device 200.
  • the valve member 130 is arranged at a fixed distance from the impact body 135 by an interposed tubular spacer 104 penetrated by the connecting rod 102.
  • the stop piece 150 is mounted on a further pipe piece 153 by means of a guide bush 153 '.
  • the stop piece 150 has a guide part 152 provided with a thread (not designated) and its flange part 151 can be adjusted in the axial direction relative to the inside 155 'of the outer flange 155 and can be fixed by means of a screw-on fastening part 154. Due to the axial adjustability of the stop piece 150, the movement of the parts 130, 104 and 135 oriented in the axial direction can be adjusted. It is hereby achieved that the movement of the valve member 130 can be adjusted exactly with respect to a contact or sealing surface provided in the flange 112 or on a sealing body 145 arranged in the flange 112 (FIG. 3). On the side facing the impact body 135, a damping element 138 is arranged on the flange part 151 of the stop piece 150 and fastened by means not shown.
  • FIG 3 shows the position in which the pressure in the chamber 126 presses the valve member 130 against the sealing body 145 and the impact body 135 against the damping element 138.
  • the impact body 135 is displaced together with the valve member 130 and the spacer tube 103 in the axial direction.
  • the valve member 130 is partially arranged in the space 141 of the deflecting body 140.
  • the sealing body 145 is fastened to the intermediate flange 112 by a fastening plate 148 and screws 149.
  • the individual threaded rods 107, 107 'penetrated and connected to one another by a plurality of threaded rods 107, 107' distributed around the circumference and provided with screwed nuts 106, 106 'and 105, 105', and the elements 164, 140 penetrated and connected by the central threaded rod 102, 130, 135 and 150 are described below. Because the intermediate flange 112 can be adjusted with respect to the outer flange 160, the overall length of the cylindrical intermediate piece 117 and the valve device 120 can be varied. Further expedient configurations of the individual elements for the device 200 according to FIG. 3 are described in detail below.
  • the connecting flange 160 has a flange ring 161 provided with distributed bores 162 and a hub piece 164 penetrated by a bore 165.
  • the hub piece 164 is connected to the flange ring 161 via ribs 166 arranged in a circumferential direction. There are passage openings between the individual ribs 166 163 arranged.
  • the hub piece 164 is provided with an inclined surface 163 '.
  • threaded bores 168 are provided distributed around the circumference for fastening the deflecting body 140 (FIG.
  • annular shoulder 167 Arranged on one side of the flange ring 161 is an annular shoulder 167, which is formed on the one hand as a centering for the intermediate piece 117 supported on a first contact surface 167 'and on the other hand as a centering for the valve device 120 supported on a second contact surface 167''.
  • FIG. 6 shows the deflection body 140 for the device 200 according to FIG. 3 shown in a sectional view and penetrated by a central bore 144.
  • the deflecting body 140 has a chamber 141 surrounded by a cylindrical section 143 as well as a frustoconical section 142 formed on the cylindrical section 143.
  • a frustoconical section 142 In the frustoconical section 142 there are provided holes 144 'distributed around the circumference which penetrate the deflecting body 140 in the axial direction.
  • the deflection body 140 is fastened to the hub piece 164 of the outer flange 160 by means of the screws 144.
  • the deflection body 140 forms, together with the hub piece 164 of the outer flange 160, as shown in FIG. 3, a deflection unit 140 'which widens conically in the flow direction X.
  • valve member 130 for the device 200 according to FIG. 3 shown in a sectional view and penetrated by a bore 134.
  • the valve member 130 has a frustoconical section 132 and a section 133 adjoining it and formed by individual steps 133 '.
  • the bore 134 arranged centrally in the valve member 130 opens into a stepped chamber 134'.
  • the valve organ 130 has a first annular end face 131 directed in the assembled state (FIG. 3) against the direction of flow, a second annular ring face 131 ', an annular face 134''tapering conically in the direction of the bore 134, and a third annular face 131''.
  • FIG. 8 shows a section of the sealing and damping body 145 in a sectional view, which has a recess 147 formed by individual steps 147 '.
  • the sealing body 145 corresponding to the stepped recess 147 in the assembled state with the analog stepped section 133 of the valve member 130 is made, for example, from a suitable plastic or the like.
  • valve device 120 for the device 200 according to FIG. 3, shown in section and in the closed position.
  • the valve device 120 comprises a valve housing 115, which is designed, for example, as a cylindrical hollow body.
  • a plurality of longitudinal grooves 124 arranged in a distributed manner and oriented in the axial direction, which are connected to the interior 115 ′ of the valve housing 115 via a plurality of through openings 121 (bores) distributed around the circumference.
  • the individual longitudinal grooves 124 distributed on the valve housing 115 in the circumferential direction are designed to receive valve bodies 123.
  • valve bodies 123 which are designed as elongated, cylindrical members, are held in the longitudinal grooves 124 of the valve housing 115 by spring-elastic round cord rings 122, 122 'and 122''which are arranged at a distance from one another in the axial direction.
  • the longitudinal grooves 124 in the valve housing 115 can also be limited by lateral webs 124 ';124''(Fig. 9, 13).
  • valve device 170 for the device 200 according to FIG. 3 is shown in section and in the closed position as a second exemplary embodiment.
  • the valve device 170 comprises a valve housing 175 provided with longitudinal grooves 174.
  • Valve bodies 173 designed as elongated cylindrical members are arranged in the longitudinal grooves 174, which are formed on the one hand by lateral webs 174 'and 174' 'and on the other hand by round cord rings 172, 172 and 172' 'arranged at a distance from one another are held in the longitudinal grooves 174.
  • the individual longitudinal groove 174 is connected to the interior 175 ′ of the valve housing 175 via a plurality of through openings 171 (elongated holes) which are arranged at a distance from one another in the axial direction.
  • valve device 180 shown in section and in the closed position, for the device according to FIG. 3.
  • the valve device 180 has a valve housing 185 which is provided with a plurality of grooves 184 arranged at a distance from one another in the axial direction of the valve housing 185.
  • the individual grooves 184 oriented in the circumferential direction of the valve housing 185 stand over a plurality of through openings 181 (bores or the like) which are arranged distributed around the circumference of the individual groove 184 ) with the interior 185 'of the valve housing 185 in connection.
  • valve device which is designated as a whole by 190, and a valve housing 195 arranged in the valve chamber of the tubular intermediate piece 117 (FIG. 3) can be seen.
  • valve housing 195 In the valve housing 195 are in the axial direction and in Recesses 194 arranged at a distance from one another are provided in the circumferential direction, each of which has a through opening 191 (bore) with the interior 195 'of the Valve housing 195 are connected.
  • the individual recesses 194 are designed to receive a valve body in the form of a ball 193.
  • the individual balls 193 distributed around the circumference are held in the recesses 194 via correspondingly assigned spring elements 192 which are supported on the inside 117 'of the intermediate piece 117.
  • the balls 193 provided as the valve body can each be raised to open the valve device 190 against the restoring force of the associated spring element 192.
  • FIG. 13 and 14 show the first valve device 120 shown in a sectional view and in a side view, in which the individual valve bodies 123, which are secured against axial displacement between the two webs 124 ′, 124 ′′, are arranged at a distance with respect to the respective longitudinal groove 124 and thus the individual passage openings 121 (bores, elongated holes or channels) for the passage of the liquid medium from the pressure chamber 26, 126 into the valve chamber 18, 118 (FIGS. 1, 2 and 3) are free.
  • the mode of operation of the individual valve bodies 173 in the valve device 170 according to FIG. 10 and the valve body 183 in the valve device 180 in accordance with FIG. 11 and the valve body 193 in the valve device 190 in accordance with FIG. 12 is essentially analogous to that in connection with FIGS. 13 and 14 described valve device 120.
  • FIG. 15 shows the intermediate flange 112 for the device 200 according to FIG. 3 shown in a sectional view as the first exemplary embodiment.
  • the intermediate flange 112 which is designed as a circular disk and penetrated by a recess 116, has a number of bores distributed around the circumference 113 and is provided on one side with a shoulder 119 and contact surfaces 119 ', 119''and with a conical ring surface 116'.
  • On the other side of the intermediate flange 112 is a recess 114 with a first annular contact surface 114 'for receiving and centering the sealing body 145 (FIG. 3) and a second annular contact surface 114''for receiving and centering the fastening plate 148 (FIG. 3). intended.
  • the intermediate flange 212 shows, as a second exemplary embodiment, the intermediate flange 212, shown in a sectional view, for the device 200 according to FIG.
  • the intermediate flange 212 also in the form of a circular disk and penetrated by a recess 216, has a number of bores 213 distributed around the circumference and is provided on one side with a shoulder 219 and contact surfaces 219 ', 219' 'and with an annular surface which tapers conically in the direction of flow 214 provided.
  • FIG. 17 shows, as a second exemplary embodiment, the valve member 230 for the device 200 according to FIG. 3 shown in a sectional view and penetrated by a bore 234.
  • the valve member 230 has a frustoconical section 232 and a molded cylindrical section 233.
  • the bore 234 arranged centrally in the valve member 230 opens into a stepped chamber 235.
  • the chamber 235 has a first annular end face 231, a conically tapering in the flow direction Annular surface 231 'and provided with a second annular end face 231' '.
  • valve member 330 for the device 200 according to FIG. 3, shown in a sectional view and penetrated by a bore 334.
  • the valve member 330 made, for example, from a suitable plastic or the like has a frustoconical design Section 332 and a molded-on, cylindrical section 333.
  • the bore 334 arranged centrally in the valve member 330 opens into a stepped chamber 335.
  • the valve member 330 has an annular surface 331 'which tapers conically in the direction of flow and an annular end face 331.
  • valve member 330 according to FIG. 18 has a smaller wall thickness 332 ′, 333 ′ in the region of the sections 332 and 333, so that the pressure builds up in the pressure chamber 126 (FIG. 3)
  • the lateral surface 332 '' of the section 332 is pressed sealingly against the conical annular surface 214 of the flange 212 (FIG. 16) when the valve member 330 is in the closed position.
  • FIG. 19 shows, as a third exemplary embodiment, the intermediate flange 312 shown in the sectional view for the device 200 according to FIG. 3.
  • the intermediate flange 312 which is designed as a circular disk and penetrated by a recess 316, has a number of bores 313 distributed around the circumference and is provided on one side with an annular shoulder 319 and contact surfaces 319 ', 319' '.
  • an annular surface 314 Provided in the recess 316 is an annular surface 314 that tapers conically in the direction of flow and an area 317 that is offset with individual steps 317 ′.
  • the offset region 317 corresponds to the step-shaped region 133 of the valve member 130 shown in FIG. 7.
  • the intermediate flange 412 which is designed as a circular disk, has a number of bores 413 which are distributed around the circumference and is on one side with a shoulder 419 and contact surfaces 419 ', 419''and with an annular surface 414 which tapers conically in the direction of flow.
  • the recess 416 is provided with a labyrinth-shaped region 417, which comprises a number of annular projections 417 ′, which are designed to be offset in the radial direction and are oriented in the axial direction, and annular grooves 417 ′′.
  • valve member 430 which interacts with the above-described intermediate flange 412 (FIG. 20) and is penetrated by a bore 434, for the device 200 according to FIG.
  • the valve member 430 has an essentially frustoconical section 432 and an integrally formed, cylindrical section 433.
  • the bore 434 arranged centrally in the valve member 430 opens into a stepped chamber 435.
  • the valve member 430 has a conical direction in the region of the chamber 435 Bore 434 tapering annular surface 431 'and an annular end face 431.
  • the portion 432 which is essentially frustoconical, is provided with a region 436 which is formed in a labyrinthine manner.
  • the region 436 comprises a plurality of annular projections 436 'offset in the radial direction and grooves 436' '.
  • the offset region 436 is designed to correspond to the labyrinth-shaped region 417 of the intermediate flange 412.
  • FIG. 22 shows the intermediate flange 512 shown in a sectional view for the device according to FIG. 3.
  • the intermediate flange 512 penetrated by a recess 518 and designed as a circular disk, has a number of bores 513 distributed around the outer circumference and is provided on one side with a shoulder 519 and contact surfaces 519 ', 519''.
  • a hub piece 510 penetrated by a bore 511 is arranged centrally in the recess 518.
  • the hub piece 510 is circumferential over several distributed and arranged on the inner wall 518 'of the recess 518 connecting webs 515 and 515' connected to the intermediate flange 512.
  • the intermediate flange 512 is provided with an annular centering surface 514 'and with an adjoining ring surface 514 which tapers conically in the direction of flow.
  • two annular bodies 516 and 517 are arranged on the individual connecting webs 515, 515 'distributed in the circumferential direction and are attached to the connecting webs 515, 515' spaced apart in the radial direction.
  • the two ring bodies 516 and 517 provided with inclined flanks 536 ', 536''and537', 537 '' have, for example, a trapezoidal profile cross section.
  • a first annular passage opening 522 is provided between the inclined ring surface 514 and the flank 517 'of the first ring body 517, and a second annular passage opening 521 is provided between the flank 517''of the first ring body 517 and the flank 516' of the second ring body 516.
  • the two annular passage openings 522 and 521 are divided into individual segment-shaped passage openings 522, 521 by the connecting webs 515, 515 ′ arranged in pairs and corresponding to one another.
  • the second ring body 516 and the hub piece 510 form a pocket 520 on the inflow side, which is designed to receive and center a frustoconical hub piece 532 of a valve member 530 (FIG. 23).
  • valve member 530 shown in a sectional view and essentially designed as a disk.
  • the valve member 530 comprises the hub piece 532, through which a bore 534 passes, on which a plurality of connecting webs 535, 535 'are arranged and fastened.
  • Ring bodies 536 and 537 which are arranged at a distance from one another, are fastened to the connecting webs 535, 535 'in the radial direction.
  • the two ring bodies 536 and 537 are trapezoidal in cross section, like the ring bodies 516, 517 of the intermediate flange 512 (FIG. 22). Between the hub piece 532 provided with an inclined annular surface 532 'and the associated flank 536''of the first ring body 536 there is a first annular passage opening 541 and between the flank 536' and the associated flank 537 '' of the second ring body 537 there is a second annular passage opening 542 provided.
  • the two circular passage openings 541 and 542 are divided into individual segment-shaped passage openings 541, 542 by the connecting webs 535, 535 ', which are distributed in the circumferential direction.
  • the two ring bodies 536 and 537 are arranged and fastened with their larger ring surfaces 538 and 538 'against the inflow direction on the connecting webs 535,535'.
  • the pressure acting against the ring surfaces 538 and 539 causes the valve element 530 with the ring bodies 536 and 537 into the annular passage openings 522 and 521 and the hub piece 532 are pressed into the pocket 520 of the intermediate flange 512, whereby the mutually associated flanks of the individual elements are brought into sealing engagement with one another in a manner not shown.
  • valve member 530 shows a section of the valve member 530 shown in a side view and the connecting webs 535, 535 ', which are arranged evenly and in pairs on the circumference of the hub piece 532, and the ring bodies 537 and 536 spaced there from by the annular passage openings 541 and 542 can be seen.
EP94118273A 1993-11-29 1994-11-21 Dispositif pour le refoulement de fluides Expired - Lifetime EP0655557B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH355093 1993-11-29
CH3550/93 1993-11-29

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EP0655557A1 true EP0655557A1 (fr) 1995-05-31
EP0655557B1 EP0655557B1 (fr) 1998-03-25

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EP94118273A Expired - Lifetime EP0655557B1 (fr) 1993-11-29 1994-11-21 Dispositif pour le refoulement de fluides

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EP (1) EP0655557B1 (fr)
AT (1) ATE164427T1 (fr)
DE (1) DE59405520D1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997037136A1 (fr) * 1996-04-02 1997-10-09 Frederick Philip Selwyn Amplificateur de pression hydraulique
GB2315566A (en) * 1996-04-02 1998-02-04 Frederick Philip Selwyn Fluid pressure amplifier
WO2002033265A1 (fr) * 2000-10-21 2002-04-25 Frederick Philip Selwyn Installation d'alimentation en eau
WO2011124909A1 (fr) * 2010-04-06 2011-10-13 Frederick Philip Selwyn Amplificateur de pression de fluide reglable
CN104121240A (zh) * 2014-08-07 2014-10-29 北京宇豪胜水利科技咨询有限公司 一种减阻减振水锤泵

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1989580A (en) * 1933-02-09 1935-01-29 Dorsey F Asbury Hydraulic ram
DE842450C (de) * 1950-07-21 1952-06-26 Max Wagner Hydraulischer Widder mit regelbarem Arbeitsventil
FR2311205A1 (fr) * 1975-05-16 1976-12-10 Maurer Alfred Pompe a coup de belier
WO1990012211A1 (fr) * 1989-04-03 1990-10-18 Michel Gobaud Belier hydraulique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1989580A (en) * 1933-02-09 1935-01-29 Dorsey F Asbury Hydraulic ram
DE842450C (de) * 1950-07-21 1952-06-26 Max Wagner Hydraulischer Widder mit regelbarem Arbeitsventil
FR2311205A1 (fr) * 1975-05-16 1976-12-10 Maurer Alfred Pompe a coup de belier
WO1990012211A1 (fr) * 1989-04-03 1990-10-18 Michel Gobaud Belier hydraulique

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997037136A1 (fr) * 1996-04-02 1997-10-09 Frederick Philip Selwyn Amplificateur de pression hydraulique
GB2315566A (en) * 1996-04-02 1998-02-04 Frederick Philip Selwyn Fluid pressure amplifier
GB2315566B (en) * 1996-04-02 1998-12-30 Frederick Philip Selwyn Fluid pressure amplifier
US6206041B1 (en) 1996-04-02 2001-03-27 Frederick Philip Selwyn Fluid pressure amplifier
CN1120304C (zh) * 1996-04-02 2003-09-03 弗雷德利克·P·塞尔温 流体压力放大器
WO2002033265A1 (fr) * 2000-10-21 2002-04-25 Frederick Philip Selwyn Installation d'alimentation en eau
WO2011124909A1 (fr) * 2010-04-06 2011-10-13 Frederick Philip Selwyn Amplificateur de pression de fluide reglable
CN102667177A (zh) * 2010-04-06 2012-09-12 弗雷德利克·菲利普·塞尔温 可调节的流体压力放大器
GB2491928A (en) * 2010-04-06 2012-12-19 Frederick Philip Selwyn Adjustable fluid pressure amplifier
CN102667177B (zh) * 2010-04-06 2016-08-03 弗雷德利克·菲利普·塞尔温 可调节的流体压力放大器
CN104121240A (zh) * 2014-08-07 2014-10-29 北京宇豪胜水利科技咨询有限公司 一种减阻减振水锤泵
CN104121240B (zh) * 2014-08-07 2016-08-24 北京宇豪胜水利科技咨询有限公司 一种减阻减振水锤泵

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DE59405520D1 (de) 1998-04-30
ATE164427T1 (de) 1998-04-15
EP0655557B1 (fr) 1998-03-25

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