EP2799713A1 - Agrégat de pompes de moteur - Google Patents

Agrégat de pompes de moteur Download PDF

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Publication number
EP2799713A1
EP2799713A1 EP13166461.7A EP13166461A EP2799713A1 EP 2799713 A1 EP2799713 A1 EP 2799713A1 EP 13166461 A EP13166461 A EP 13166461A EP 2799713 A1 EP2799713 A1 EP 2799713A1
Authority
EP
European Patent Office
Prior art keywords
housing
motor pump
oil
pump unit
outer housing
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
EP13166461.7A
Other languages
German (de)
English (en)
Other versions
EP2799713B1 (fr
Inventor
Georg Neumair
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.)
Hawe Hydraulik SE
Original Assignee
Hawe Hydraulik SE
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 Hawe Hydraulik SE filed Critical Hawe Hydraulik SE
Priority to EP13166461.7A priority Critical patent/EP2799713B1/fr
Priority to US14/268,275 priority patent/US20140328704A1/en
Publication of EP2799713A1 publication Critical patent/EP2799713A1/fr
Application granted granted Critical
Publication of EP2799713B1 publication Critical patent/EP2799713B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/08—Cooling; Heating; Preventing freezing
    • 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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • F04B39/066—Cooling by ventilation
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/18—Lubricating

Definitions

  • the invention relates to a motor pump unit, in particular a portable motor pump unit, according to the preamble of claim 1.
  • the invention has for its object to improve a motor pump unit of the type mentioned in terms of the achievable cooling effect, handling specifically in the field, the external appearance and protection against environmental influences.
  • At least one cooling fan cools surprisingly better than at least one end-side cooling fan, also because the outer casing supports a targeted cooling air flow.
  • Overall results for the same energy use for the cooling fan has a higher and more even cooling capacity.
  • the outdoor enclosure is a multifunctional outdoor enclosure, as it not only provides cooling air flow, but also shields the cooling fan from the outside, prevents external interference with the cooling fan, protects against direct impact of dirt and weather on the oil housing, and protects sensitive equipment components when in use In the field collisions buffers and keeps away from the oil housing, and finally even a pleasing because compact appearance of the motor pump unit conveys.
  • the arrangement of the cooling fan on the side wall further reduces the overall height of the motor pump assembly, which has a convenient manageable format in the lining of the outer housing.
  • the outer housing can be well used for other auxiliary functions and it improves if necessary, the stability of the motor pump unit.
  • the cooling fan is mounted with an electric drive motor behind inlets of the outer housing on the side wall of the oil housing.
  • the cooling fan is mounted with an electric drive motor behind inlets of the outer housing on the side wall of the oil housing.
  • the cooling fan is mounted with an electric drive motor behind inlets of the outer housing on the side wall of the oil housing.
  • the cooling fan has an outer lining (capsule construction), and has the outer housing as a border of the cooling air inlets an inside, the outer lining of the cooling fan enclosing frame. In this way, u.a. forced an improved air flow into the cooling fan.
  • At least one cooling fan is arranged in the interior of the outer housing even on two side walls of the oil housing facing away from each other. In this way, all side walls of the oil housing can be cooled intensively and efficiently.
  • a cooling fan is used on each side wall.
  • the respective cooling fan is positioned with a cross-sectionally C-shaped support frame at a distance from the cooling fins and hinged with rear fins of two adjacent side walls Hook set. This simple but secure way of mounting also allows you to choose the optimum position of the cooling fan in the longitudinal direction of the oil housing as needed.
  • the outer housing on two housing halves, which may be formed largely mirror-inverted and three-dimensional, and each of which has three adjacent side walls and the ends of the oil housing cross-housing walls. In this way, the oil housing is largely enclosed by the outer housing and removed external influences.
  • each housing half is formed in one piece, although it should not be excluded to add each housing half of several items.
  • the outer housing is attached to at least one end or even at both ends of the oil housing, preferably at a Aufstell circuiten end with mentstandhe H and at the opposite end with mounting screws. This stable attachment of the outer housing increases the protective effect of the oil housing.
  • At least one console which has at least one suspension eye and / or a carrying handle, to be attached to the outer housing with the outer housing at an upper end of the oil housing.
  • This improves the handling of the motor pump unit when used in the field, for example, to transport the motor pump unit with a hoist on the nacelle of a wind turbine, or comfortable to wear over longer distances, the compact, almost cube-shaped design of the housed with the lateral cooling fan motor pump unit in the field elevated.
  • the outer housing could even have floor running wheels.
  • the outer housing can take on a further function by having external cable holder, for example for an electrical connection cable and / or connected to a remote control cable.
  • the cable (s) can be conveniently stowed during transport or when not in use.
  • the outer housing is suitably made of plastic and / or metal, eg sheet metal.
  • the construction of plastic for example, use injection molded parts.
  • the outer casing especially made of plastic, is very light and yet stable due to the three-dimensional outer casing halves. Mixed construction of the outer housing are possible.
  • the outer housing has at least one blow-out opening for heated cooling air.
  • an exhaust opening is designed and arranged so that it surrounds the manifold block and a terminal box with an attached unit control from the outside, ie, then the terminal block as well as the unit control are externally accessible and efficiently kept cool by the blown cooling air flow and the cooler outdoor environment , Magnets on the distributor block and the electronic control system produce harmful heat for them.
  • a slot-shaped exhaust opening extending, preferably, over approximately the entire length of the oil housing, and also a relatively high cooling air flow rate that acts self-cleaning, lets it flow out.
  • the blow-out opening or the blow-out openings can be dimensioned such that a dynamic pressure which is optimal for the cooling effect is formed in the interior of the outer housing.
  • elastic pads may be provided between the outer casing and the oil casing to prevent contact between the outer casing and the oil casing not only in a thin-walled outer casing, but also to stabilize the thin walls of the outer casing.
  • Fig. 1 shows a motor pump unit M, which is clad in an outer housing 2.
  • the outer housing 2 consists for example of plastic and / or sheet metal and surrounds the motor pump unit M largely at least up to at least one exhaust opening A1 (or two exhaust openings A1, A2, see Fig. 2 ).
  • the motor pump unit M is, for example, portable accessories of a hydraulically operated tool and is for example about 30 kg heavy.
  • a bracket 1 is fixed with fastening screws 33 at the top of the motor pump unit M, which also for the attachment of the outer housing at an upper end 21 (FIGS. Fig. 2 ) of an oil housing 18.
  • the console 1 carries at least a handle 3 and / or at least one suspension eye 4 for transporting the motor pump unit M when used or for use in the field.
  • cable holder 5 are attached to which a control cable 7 of a remote control 8, for example, during transport is stowed.
  • a distributor block 10 mounted thereon with valves and connection options for hydraulic lines not further highlighted, and a cover with cooling fins 13 arranged on a terminal box 11 on the oil housing 18, for example for an aggregate control 12, with which the power cable 9 and the control cable 7 are detachably connected, and which also has, for example, an on / off switch.
  • the distributor block 10 and the cover 12 project outwardly through an exhaust opening A1 of the outer housing 2.
  • the exhaust opening A1 has an inner edge 14, which keeps an air outlet gap around the gripped components.
  • the outer housing 2 consists, for example, of two essentially mirror-inverted housing halves 15, 16 made of plastic and / or sheet metal which are also provided at the lower end 22 (FIG. Fig. 2 ) of the oil housing 18, for example, with ringstandhe H 17 are additionally defined.
  • the thus-clad motor pump unit M has a largely closed, approximately cube-shaped appearance with smooth outer walls.
  • the oil housing 18 is an extruded tube section of light metal or a light metal alloy with an approximately quadrangular and slightly rounded outer contour and, in the illustrated embodiment, four side walls 19 having longitudinal cooling fins 20.
  • the oil housing 18 is closed at upper and lower ends 21, 21 'by cap and carries on a side wall 19 of the manifold block 10 and the terminal box 11 with the cover 12 for the unit control.
  • In the oil housing 18 is at least one electric motor, often an open sub-oil engine installed, which drives at least one pump or at least one pump element (three-phase or AC version).
  • At least one cooling fan G is arranged between the upper and lower ends 21, 21 'on at least one side wall 19 and fixed, for example, to the oil housing 18 or the outer housing 2.
  • the cooling fan G contains in an outer lining 22, for example with a square end flange, an electric drive motor 23 and an unspecified highlighted fan and is mounted on a side wall 19.
  • a C-shaped frame 24 may be used, which is located between cooling fins 20 on the side wall 19th supports, and hooked with rear fins 20 adjacent side walls 19 hooks 25 is fixed.
  • cooling fan G even two mounted on opposite side walls 19 cooling fan G are provided.
  • the number and distribution of the cooling fans G on the side walls 19 may be higher or different than shown.
  • cooling air inlets 26 are formed in alignment with the cooling fan G. If necessary, an air filter can be installed in this area.
  • an inner frame 27 may be formed, which is mounted in the outer housing 2 (FIG. Fig. 1 ) engages over the outer lining 22 of the underlying cooling fan G, so that the sucked air is forcibly guided.
  • Each housing half 15, 16 is three-dimensionally and expediently integrally formed (for example an injection-molded part), but can also be joined from individual sections. In this case, each housing half 15, 16 on at least three side walls 19 of the oil housing 18 cross-walls 28, 31, 40, 30, 29, so that the oil housing 18 is practically enclosed on all sides.
  • the lower end 21 'of the oil housing 18 could not be covered by the outer housing 2.
  • the outer housing 2 can be additionally fixed at the lower end 21 ', i. not only with the console 1 and the fixing screws 33 at the upper end 21st
  • FIG. 2 illustrates a further blow-out opening A2 at the rear of the motor pump unit M, which is bounded by the wall sections 30, 31, 29 by an edge 32 and extends in the mounted state of the outer housing 2 as a vertical slot largely over the entire length of the oil housing 18.
  • the mounted outer housing 2 serves not only the protection of the oil housing 18, but also the targeted cooling air distribution at least on the side walls 19 in order to intensify the cooling effect when the cooling fan G is running.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP13166461.7A 2013-05-03 2013-05-03 Agrégat de pompes de moteur Active EP2799713B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13166461.7A EP2799713B1 (fr) 2013-05-03 2013-05-03 Agrégat de pompes de moteur
US14/268,275 US20140328704A1 (en) 2013-05-03 2014-05-02 Motor pump assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13166461.7A EP2799713B1 (fr) 2013-05-03 2013-05-03 Agrégat de pompes de moteur

Publications (2)

Publication Number Publication Date
EP2799713A1 true EP2799713A1 (fr) 2014-11-05
EP2799713B1 EP2799713B1 (fr) 2020-09-09

Family

ID=48236727

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13166461.7A Active EP2799713B1 (fr) 2013-05-03 2013-05-03 Agrégat de pompes de moteur

Country Status (2)

Country Link
US (1) US20140328704A1 (fr)
EP (1) EP2799713B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10408201B2 (en) * 2015-09-01 2019-09-10 PSC Engineering, LLC Positive displacement pump
WO2018213513A1 (fr) * 2017-05-16 2018-11-22 Actuant Corporation Pompe hydraulique
US11193508B2 (en) 2018-11-13 2021-12-07 Enerpac Tool Group Corp. Hydraulic power system and method for controlling same
CN114294215B (zh) * 2021-12-25 2022-12-30 闻军 一种油泵壳体安装固定装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH596697A5 (en) 1975-05-26 1978-03-15 Theodor Meier Pump set with air-cooled flanged electric motor
EP0198250A2 (fr) 1985-04-15 1986-10-22 HEILMEIER & WEINLEIN Fabrik für Oel-Hydraulik GmbH & Co. KG Groupe moto-pompe hydraulique
EP0284746A1 (fr) 1987-02-24 1988-10-05 HEILMEIER & WEINLEIN Fabrik für Oel-Hydraulik GmbH & Co. KG Pompe hydraulique
DE3839689A1 (de) 1988-11-24 1990-05-31 Rudolf Pickel Hydraulisches pumpenaggregat
EP1045143A1 (fr) * 1999-04-16 2000-10-18 HEILMEIER & WEINLEIN Fabrik für Oel-Hydraulik GmbH & Co. KG Ensemble moto-pompe hydraulique
EP1179677A1 (fr) * 1999-04-22 2002-02-13 Yuken Kogyo Kabushiki Kaisha Pompe hydraulique moteur lectrique int gr
US6589029B1 (en) 1999-05-05 2003-07-08 Bosch Rexroth Ag Self-contained motor driven hydraulic supply unit
EP1731762A1 (fr) 2005-04-08 2006-12-13 HAWE Hydraulik GmbH & Co. KG Ensemble de pompage
EP2025934A1 (fr) * 2007-08-07 2009-02-18 HAWE Hydraulik SE Assemblage de pompes et de moteurs

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20116921U1 (de) * 2001-10-15 2002-01-03 Heilmeier & Weinlein Elektrohydraulisches Motorpumpenaggregat, Anbauelement und Druckbegrenzungsventil

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH596697A5 (en) 1975-05-26 1978-03-15 Theodor Meier Pump set with air-cooled flanged electric motor
EP0198250A2 (fr) 1985-04-15 1986-10-22 HEILMEIER & WEINLEIN Fabrik für Oel-Hydraulik GmbH & Co. KG Groupe moto-pompe hydraulique
EP0284746A1 (fr) 1987-02-24 1988-10-05 HEILMEIER & WEINLEIN Fabrik für Oel-Hydraulik GmbH & Co. KG Pompe hydraulique
DE3839689A1 (de) 1988-11-24 1990-05-31 Rudolf Pickel Hydraulisches pumpenaggregat
EP1045143A1 (fr) * 1999-04-16 2000-10-18 HEILMEIER & WEINLEIN Fabrik für Oel-Hydraulik GmbH & Co. KG Ensemble moto-pompe hydraulique
EP1179677A1 (fr) * 1999-04-22 2002-02-13 Yuken Kogyo Kabushiki Kaisha Pompe hydraulique moteur lectrique int gr
US6589029B1 (en) 1999-05-05 2003-07-08 Bosch Rexroth Ag Self-contained motor driven hydraulic supply unit
EP1731762A1 (fr) 2005-04-08 2006-12-13 HAWE Hydraulik GmbH & Co. KG Ensemble de pompage
EP2025934A1 (fr) * 2007-08-07 2009-02-18 HAWE Hydraulik SE Assemblage de pompes et de moteurs

Also Published As

Publication number Publication date
EP2799713B1 (fr) 2020-09-09
US20140328704A1 (en) 2014-11-06

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