EP2606234A2 - Pompe à pistons rotatifs - Google Patents

Pompe à pistons rotatifs

Info

Publication number
EP2606234A2
EP2606234A2 EP11748632.4A EP11748632A EP2606234A2 EP 2606234 A2 EP2606234 A2 EP 2606234A2 EP 11748632 A EP11748632 A EP 11748632A EP 2606234 A2 EP2606234 A2 EP 2606234A2
Authority
EP
European Patent Office
Prior art keywords
pump
rotary
housing
inlet
rotary piston
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
EP11748632.4A
Other languages
German (de)
English (en)
Other versions
EP2606234B1 (fr
Inventor
Paul Krampe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hugo Vogelsang Maschinenbau GmbH
Original Assignee
Hugo Vogelsang Maschinenbau GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hugo Vogelsang Maschinenbau GmbH filed Critical Hugo Vogelsang Maschinenbau GmbH
Priority to PL11748632T priority Critical patent/PL2606234T3/pl
Priority to SI201130788A priority patent/SI2606234T1/sl
Publication of EP2606234A2 publication Critical patent/EP2606234A2/fr
Application granted granted Critical
Publication of EP2606234B1 publication Critical patent/EP2606234B1/fr
Priority to HRP20160309TT priority patent/HRP20160309T1/hr
Priority to CY20161100280T priority patent/CY1117347T1/el
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/086—Carter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/02—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for several machines or pumps connected in series or in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2230/00—Manufacture
    • F04C2230/60—Assembly methods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/50—Bearings
    • F04C2240/51—Bearings for cantilever assemblies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/801—Wear plates

Definitions

  • the invention relates to a rotary piston pump for conveying a solids-containing fluid medium, comprising an inlet opening and an outlet opening for the medium to be conveyed, two arranged in a pump housing rotary piston with interlocking rotary lobes, each of the two rotors torque-fixed to one shaft and by the respective Shaft is drivable, and wherein the two shafts are coupled together by a transmission disposed in a transmission housing.
  • the invention further relates to a rotary lobe pump kit for providing rotary lobe pumps.
  • Rotary lobe pumps of the aforementioned type are known, for example, from DE 10 2007 054544 A1 and EP 1 624 189 B1 of the Anmeiderin and from DE 10 2005 017 575 A1 and WO 2007/026 109 A1 and serve to convey a fluid medium containing solids.
  • a fluid medium containing solids For example, with a rotary pump inhomogeneous liquids, such as liquid manure can be promoted.
  • the medium to be delivered passes via an inlet opening arranged on the pump housing into the interior of the pump housing, is conveyed there by the intermeshing rotary lobe wings of two driven rotary lobes in the direction of an outlet opening arranged on the pump housing and leaves the interior of the pump housing again through the outlet opening.
  • a rotary piston pump of the aforementioned type which is characterized in that the inlet opening and the outlet opening are arranged on a Anschiussgeratiuse.
  • the invention is based on the finding that an advantageous rotary kiln pump can be replaced by a departure from the conventional design with a pump housing. orderly inlet and Ausiassö réelleen can be realized with the most direct access to the rotary piston in the pump housing.
  • the inlet and outlet openings are arranged on a connection housing.
  • the two rotary pistons are arranged, preferably in a pump chamber formed in the interior of the pump housing.
  • the two rotary pistons are driven in opposite directions, with their Drehkolbenhoffi mesh to promote the medium.
  • connection housing can be firmly integrated into a pipeline system via the inlet and outlet openings and only the pump housing must be accessible for servicing the rotary pump.
  • This embodiment of the rotary piston pump according to the invention with a spatial separation of the pump housing with the rotary piston of the inlet and outlet ports used for connection of the rotary piston pump on pipe fittings allows on the one hand a very compact design of the rotary lobe pump and on the other hand a maintenance-friendly rotary lobe pump, as exposed to increased wear and therefore more frequently Rotary pistons to be exchanged are arranged and accessible independently of the connection housing and the pipes to be connected thereto.
  • the terminal housing is offset from the pump housing in an axial direction parallel to the troughs.
  • the inlet and outlet openings in an axial direction, which is parallel to the waves, from the pump housing, in particular to a pump chamber formed in the interior of the pump housing are spaced or adjacent thereto. In this way it can be ensured that the adjoining the inlet and outlet ports are spaced from the pump housing and the pump housing is easily accessible.
  • the invention can be developed by designing the transmission housing and the connection housing as a transmission unit.
  • the transmission housing and the connection housing a structural unit - the transmission unit - form.
  • the gear housing and the connection housing can each consist of several components or each formed in one piece. It is particularly preferred that the gear unit is formed as a whole in one piece, that is, the gear housing and the terminal housing are formed as a continuous, one-piece component.
  • the transmission housing is arranged at least partially within the connection housing and further preferably at least one flow space is formed between the connection housing and the transmission housing, which can be flowed through by the medium to be delivered.
  • the at least one flow space is preferably in fluid communication with the inlet or outlet port and the interior of the pump housing, so that flowing through the inlet opening medium through the flow space to a arranged in the interior of the pump housing and the rotary piston pump chamber and from there via the same or can reach a further flow space to the outlet opening.
  • This training form is on the one hand very compact and has the further advantage that the gearbox is cooled in this way by the medium to be pumped, which at least partially flows around the gear housing in the flow space, and thus a higher power density can be achieved.
  • the pump housing and the gear unit are releasably connected to each other.
  • the pump housing may be releasably secured to the terminal housing, the transmission housing or both the connection housing and the transmission housing. In this way, the pump housing of the rotary pump can be removed to wait for example, the rotary piston or replace. Due to the fact that, according to the invention, the inlet and outlet openings are not arranged on the pump housing, inlet and outlet connections connected to the inlet and outlet openings do not have to be disassembled during maintenance of the rotary piston pump, but can remain connected to the connection housing even when the pump housing is removed. By being able to completely remove the pump housing from the gear unit and thus completely expose the rotary pistons, the access is lichkeii the Drehkoiben and thus their maintenance and possibly assembly / disassembly considerably easier.
  • the invention can be developed by the fact that the two Drehkoiben are releasably secured to the respective shaft.
  • This further development form has the advantage that when servicing with an exchange of Drehkoiben not the waves must be dismantled, but - with removed pump housing - only the Drehkoiben must be solved by the shaft and can be replaced.
  • the invention can be further developed by a Verschi impartpiatte disposed between the pump housing and the gear unit, wherein the Verschi impartplatte is preferably releasably attached to the transmission unit.
  • the rotary piston pump according to the invention has the advantage that the Wartungsfreundiichkeit the rotary piston pump is further improved in that the wear plate located at the junction of gear unit and pump housing and therefore is very easy to access and can be quickly replaced. It is particularly preferred that the wear plate is releasably secured to the gear unit, so that, for example, when removing the pump housing from the gear unit to replace the Drehkoiben the wear plate on the one hand easily accessible, but on the other hand is stably attached to the gear unit, if an exchange or disassembly of the wear plate should take place at another time.
  • the wear plate may be releasably secured to the terminal housing, the transmission housing, or both the terminal housing and the transmission housing.
  • the rotary piston pump has only a single wear plate.
  • the invention can be developed by the fact that the two shafts of the gear unit are rotatably mounted and in each case a portion of the grooves projects into a pump chamber formed in the interior of the pump housing, in particular it is preferred that the pump housing has no storage for the two shafts.
  • the bearings for the two drive shafts of the rotary pistons are located in the gear unit, preferably in the gear housing.
  • the waves protrude in such a way into the pump chamber in the pump housing into which the two rotary pistons are fixed torque-resistant on the waves and can be driven by the respective shaft accordingly.
  • the shafts are not additionally supported by bearings in the pump housing.
  • Another advantage of this training is that in this way the pump housing can be particularly simple and therefore can be made faster and cheaper than housing parts having shaft bearings.
  • a particularly preferred further development form therefore also provides that the pump housing is formed in one piece.
  • a one-piece design of the pump housing over a known in the prior art training in two half-shells has the advantage that the pump housing can be produced more cheaply, easier and faster to assemble and dismantle is as a two-piece pump housing and an additional separation point, which must be sealed and therefore always a risk of leakage, can be avoided.
  • the invention can be developed by the fact that the inlet opening via a first Strömungskana! and the outlet opening are connected via a second flow channel to a pump chamber formed in the interior of the pump housing, at least a respective part of the first and second flow channels extending in a substantially axial direction, which is arranged parallel to the waves.
  • the inlet and outlet opening on the connection housing Due to the inventive arrangement of the inlet and outlet opening on the connection housing, it is necessary to provide flow channels through which the medium to be delivered can pass from the inlet opening into the pump chamber formed in the interior of the pump housing and from the pump chamber to the outlet opening.
  • the flow channels are arranged at least in sections axially, that is to say parallel to the axis of rotation of the shafts.
  • the flow channels can be formed within or as part of one or more flow spaces between the connection housing and the transmission housing.
  • the invention can be developed by arranging the inlet opening and the outlet opening in the operating state of the rotary piston pump in the upper half of the connection housing.
  • the inlet opening and the outlet opening are arranged in the operating state of the rotary piston pump on the connection housing such that a first axis which is arranged at right angles to a plane comprising the inlet opening, and a second axis which is perpendicular to a Auslasso réelle comprehensive Plane is arranged, each inclined at an angle of 45 ° to a vertical.
  • This training not only has the advantage that a very good liquid reservoir and a high power density can be achieved, but also that of the Einiass- and Ausiassö réelle be connected inlet and Ausiassstutzen can be variably adapted to different installation situations.
  • a particularly preferred further development form is characterized by an inlet connection with an inlet flange adjoining the inlet opening and an outlet connection with an outlet flange, the inlet connection and the outlet connection being designed and attachable to the connection housing such that the inlet is in a first attachment position - And / or the outlet in the operating state of the rotary pump is arranged horizontally or are and / or in a second mounting position of the inlet and / or the outlet in the operating state of the rotary piston pump is arranged vertically or are.
  • inlet and Ausiassstutzen are provided, which can be arranged and attached to the inlet or Ausiassö réelle on the connection housing and further each have an inlet or Ausiassflansch for connection of the inlet or outlet nozzle to a pipeline.
  • the inlet and the outlet are designed such that they can be arranged in at least two different ways at the inlet or Ausiassö réelle on the connection housing:
  • the respective nozzle can be arranged so that the associated flange in the operating state the rotary lobe pump is arranged horizontally or vertically.
  • connection housing has at least one releasably closable drainage bore, through which the medium to be conveyed can be discharged.
  • a rotary lobe pump kit for providing rotary lobe pumps of different size and / or power, comprising a rotary lobe pump according to the invention as described above and further characterized by at least two further Drehkoiben other size with interlocking rotary lobes, wherein the two parts and the at least two further rotary pistons another size are formed such that the at least two further rotary pistons of other sizes are detachably fastened on the respective one of the two shafts.
  • a rotary lobe pump according to the invention and its further developments can form part of a rotary lobe pump kit which makes it possible to convert a rotary lobe pump according to the invention to a rotary lobe pump according to the invention having a different size or a different power by exchanging the rotary lobes.
  • the rotary lobe pump kit has two pairs of rotary pistons of different sizes, in particular of different lengths, so that either the first pair of two rotary lobes is fastened in the middle or the second pair of two lobes.
  • a rotary piston pump set according to the invention can also have more than two pairs of rotary disks of different sizes.
  • the rotary lobe pump can be changed by replacing the Drehkoiben very quickly and easily in terms of size or performance.
  • the rotary lobe pump kit according to the invention can be developed by providing at least one further pump housing of a different size, wherein the gear unit and the at least one further pump housing of a different size are designed such that the at least one further pump housing of a different size can be detachably fastened to the gear unit.
  • This further development form has the advantage that a significantly larger bandwidth can be realized in terms of size and power of the rotary lobe pump set to be provided because larger, especially longer, rotary piston and a larger, especially longer, pump housing with a correspondingly larger pump chamber for receiving the Drehkoiben can be provided.
  • FIG. 1 shows a three-dimensional representation of a first embodiment of a rotary pump according to the invention
  • FIG. 2 a front view of the rotary pump shown in FIG. 1;
  • FIG. 3 a three-dimensional view of a further embodiment of a rotary pump according to the invention in a variant with drain holes;
  • FIG. 4 is a front view of the rotary kiln pump shown in FIG. 3;
  • Figure 5 ' is a partially sectioned isometric view of the embodiment shown in Fig. 1
  • FIG. 6 shows a longitudinal section through the rotary pump shown in FIG. 1
  • FIG. 7 shows the longitudinal section shown in FIG. 6 with the pump housing removed;
  • FIG. 8 shows a rear view of a further embodiment of a device according to the invention
  • FIG. 9 shows a front view of a further embodiment of a rotary pump according to the invention without inlet and outlet nozzles
  • FIG. 10 a side view of the rotary kiln pump shown in FIG. 9,
  • FIG. 11 a rear view of the rotary pump shown in FIG. 9;
  • FIG. 12 a partially sectioned side view of the rotary pump shown in FIG.
  • FIG. 3 is a plan view of the rotary kiln pump shown in FIG. 9;
  • FIG. 15 shows a second three-dimensional view of the rotary kiln pump shown in FIG.
  • Figure 16 the three-dimensional view shown in Fig. 15 with partially partially cut pump housing.
  • the rotary pump 100 has a Einiassö réelle 111 and an outlet opening 112 for the medium to be conveyed.
  • an inlet connection 115 with an inlet flange 117 can be fastened to the inlet opening 111, via which the rotary pump 100 can be connected in the operating state to a pipeline (not shown).
  • an outlet connection 116 with an outlet flange 118 can be arranged at the outlet opening 112, via which the rotary pump 100 can be connected in the operating state to a pipeline (not shown).
  • the arrangement of these nozzles is optional.
  • Figures 1 and 2 show an embodiment of a rotary piston pump 100 according to the invention, in which the nozzles 115, 116 are arranged so that the respective Fian- see 117, 118 of the nozzle 115, 116 are arranged substantially vertically in the installed state of the rotary piston pump, so that the to be connected to these flanges 117, 118 pipe (not shown) extends substantially horizontally, so-called 90 ° connection.
  • the two connecting pieces 115, 116 are designed as gooseneck connection, d. H.
  • the two flanges 117, 118 are arranged substantially horizontally in the installed state of the rotary piston pump, so that to be connected to the flanges 117, 118 pipes in the installed state of the rotary piston pump are substantially perpendicular.
  • the rotary piston pump 100 according to the invention is on the one hand very compact and on the other hand easily and quickly adaptable to different installation situations 16.
  • the features, functions and advantages described below therefore apply equally to the illustrated in the figures, various embodiments of a Drehkoibenpumpe 100 according to the invention, the same or substantially functionally similar elements are therefore denoted by the same reference numerals Mistake.
  • the inlet and outlet openings 111, 112 are arranged on a connection housing 151 of the rotary kiln pump 100.
  • the rotary piston pump 100 further has a pump housing 140.
  • a pump chamber 141 is formed, in which two rotary pistons 121, 122 are arranged, whose rotary lobes engage with each other.
  • the first rotary piston 121 is fixed torque-fixed on a shaft 131 and driven by this.
  • the second Drehkoiben 122 (not shown) fixed torque on a second shaft and driven by this, the two shafts are driven in opposite directions and pelt coupled together for this purpose via a corresponding gear.
  • Such a transmission (not shown) is located in a transmission housing 152.
  • the transmission housing 152 and the connection housing 151 together form a transmission unit 150.
  • the transmission housing 152 is arranged at least partially within the connection housing 151.
  • a flow space 153 is formed, via which the inlet opening 111 is in fluid communication with the pump chamber 141.
  • the rotary piston pump 100 has a further flow space (not shown), via which the Ausiassö réelle 112 is in fluid communication with the pump chamber 141.
  • the inlet and outlet ports 111, 112 are spaced from the pump housing 140 in an axial direction that is parallel to the shaft 131.
  • Terminal housing 151 and pump housing 140 are offset in the axial direction and adjoin one another in the axial direction.
  • inlet and outlet openings 11, 112 and pump chamber 141 are spaced apart at a distance A.
  • the pump housing (140) is detachably connected to the transmission unit 150 at a connection or interface 170.
  • One of the two shafts, here the shaft 131 is guided out of the gear housing 152 and can be rotated by means of a drive motor (not shown).
  • the shaft 131 is rotatably supported in the transmission housing 152 and protrudes with a portion 131 a into the pumping chamber 141.
  • On this section 131a of the rotary piston 121 is removably fixed torque.
  • the second rotary piston 122 is on the same way attached to the second Weüe, not shown.
  • the pump housing 140 has no bearing for the two shafts and may therefore be formed in one piece. In this way, results in a particularly inexpensive to produce pump housing 140, which can be poured without a core and requires only a clamping in the processing.
  • the one-piece design of the pump housing 140 further reduces the number of Georesusetrenns negligence so that the accuracy of fit of the housing parts can be increased in an advantageous manner.
  • a wear plate 160 is arranged, which is releasably secured to the gear unit 150. Due to the construction of the rotary piston pump 100 according to the invention, it is possible to provide only one single grinding plate 160, so that time and costs can be saved in the maintenance.
  • the fluid medium entering the connection housing through the inlet connection 115 and the inlet opening 111 passes through a first flow passage 113 into the pump chamber 141 and from there via a second flow channel 114 through the outlet opening 112 and the outlet connection 116 again out of the rotary piston pump 100 out.
  • the two flow channels 113, 114 each have a first portion 113 a, 114 a, which extends in the gear unit 150, and a second portion 113 b, 114 b, which extends in the pump housing 140.
  • the two flow channels 113, 14 are partially parallel to the shaft 131, d. H. arranged in a substantially axial direction of the rotary piston pump 100 relative to the axis 180 of the rotary piston pump 100.
  • the flow channel 113 is at least partially formed within the flow space 153 or constitutes a part of the flow space 153. The same applies to the flow channel 114 and another, not shown flow space. Due to the at least partially axial inflow or outflow of the fluid medium through the flow spaces or channels, the axial distance A between inlet and outlet openings 111, 112 and pump chamber 141 is overcome.
  • connection housing 151 can have two releasably closable drainage holes 154a, b with detachably fastened closure lids 155a, b, through which the medium to be conveyed can be discharged.
  • connection housing 151 in particular of the at least one flow space 153 formed between the connection housing and the transmission housing and of the flow channels 113, 114, is made possible and thus, for example, at one Maintenance when opening the rotary lobe pump 100 runs no medium to be pumped.
  • closure lid 155 a, b, the drain holes 154 a, b close tightly to prevent accidental leakage of medium to be conveyed.
  • the structure of the rotary lobe pump 100 according to the invention has little dead space in which solids can settle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)
  • Reciprocating Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Treatment Of Sludge (AREA)

Abstract

L'invention concerne une pompe à pistons rotatifs (100) pour le refoulement d'un milieu fluide contenant une matière solide, comprenant un orifice d'entrée (111) et un orifice de sortie (112) pour le milieu à refouler, deux pistons rotatifs (121, 122) qui sont disposés dans un carter de pompe (140) et qui sont pourvus d'ailettes coopérantes; chacun des deux pistons rotatifs étant respectivement fixé solidaire en rotation à un arbre (131) et pouvant être entraîné par l'arbre respectif; et les deux arbres étant accouplés par un engrenage disposé dans un carter d'engrenage (152). L'invention concerne notamment une pompe à pistons rotatifs dont l'orifice d'entrée et l'orifice de sortie sont disposés sur un boîtier de raccordement (151).
EP11748632.4A 2010-08-20 2011-08-18 Pompe à pistons rotatifs Active EP2606234B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PL11748632T PL2606234T3 (pl) 2010-08-20 2011-08-18 Pompa z tłokiem obrotowym
SI201130788A SI2606234T1 (sl) 2010-08-20 2011-08-18 Črpalka z vrtilnim batom
HRP20160309TT HRP20160309T1 (hr) 2010-08-20 2016-03-24 Rotaciona klipna pumpa
CY20161100280T CY1117347T1 (el) 2010-08-20 2016-04-06 Αντλια με πτερυγια

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202010011626U DE202010011626U1 (de) 2010-08-20 2010-08-20 Drehkolbenpumpe
PCT/EP2011/064229 WO2012022784A2 (fr) 2010-08-20 2011-08-18 Pompe à pistons rotatifs

Publications (2)

Publication Number Publication Date
EP2606234A2 true EP2606234A2 (fr) 2013-06-26
EP2606234B1 EP2606234B1 (fr) 2016-01-20

Family

ID=42994211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11748632.4A Active EP2606234B1 (fr) 2010-08-20 2011-08-18 Pompe à pistons rotatifs

Country Status (19)

Country Link
US (1) US9127673B2 (fr)
EP (1) EP2606234B1 (fr)
JP (1) JP5918766B2 (fr)
KR (1) KR101845572B1 (fr)
CN (1) CN103140682B (fr)
AU (1) AU2011290716B2 (fr)
BR (1) BR112013004008B8 (fr)
CY (1) CY1117347T1 (fr)
DE (1) DE202010011626U1 (fr)
DK (1) DK2606234T3 (fr)
ES (1) ES2566340T3 (fr)
HK (1) HK1181834A1 (fr)
HR (1) HRP20160309T1 (fr)
HU (1) HUE027120T2 (fr)
NZ (1) NZ607424A (fr)
PL (1) PL2606234T3 (fr)
RS (1) RS54565B1 (fr)
SI (1) SI2606234T1 (fr)
WO (1) WO2012022784A2 (fr)

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WO2018078073A1 (fr) * 2016-10-27 2018-05-03 Klaus Union Gmbh & Co. Kg Pompe à broche hélicoïdale, divisée horizontalement

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Publication number Priority date Publication date Assignee Title
WO2018078073A1 (fr) * 2016-10-27 2018-05-03 Klaus Union Gmbh & Co. Kg Pompe à broche hélicoïdale, divisée horizontalement
US11530699B2 (en) 2016-10-27 2022-12-20 Klaus Union Gmbh & Co. Kg Horizontally split screw-spindle pump

Also Published As

Publication number Publication date
US20130202474A1 (en) 2013-08-08
HK1181834A1 (zh) 2013-11-15
BR112013004008B1 (pt) 2021-01-12
AU2011290716A1 (en) 2013-03-07
BR112013004008B8 (pt) 2022-08-30
US9127673B2 (en) 2015-09-08
BR112013004008A2 (pt) 2016-06-28
JP5918766B2 (ja) 2016-05-18
WO2012022784A2 (fr) 2012-02-23
WO2012022784A3 (fr) 2013-05-02
CN103140682A (zh) 2013-06-05
SI2606234T1 (sl) 2016-05-31
PL2606234T3 (pl) 2016-07-29
KR101845572B1 (ko) 2018-04-04
EP2606234B1 (fr) 2016-01-20
NZ607424A (en) 2015-03-27
HRP20160309T1 (hr) 2016-04-22
JP2013536360A (ja) 2013-09-19
RS54565B1 (en) 2016-06-30
ES2566340T3 (es) 2016-04-12
CN103140682B (zh) 2016-01-20
AU2011290716B2 (en) 2015-01-22
CY1117347T1 (el) 2017-04-26
DK2606234T3 (en) 2016-02-15
KR20140020818A (ko) 2014-02-19
HUE027120T2 (en) 2016-08-29
DE202010011626U1 (de) 2010-10-21

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