EP1164293A2 - Pompe à engrenages avec dispositif pour nettoyage - Google Patents

Pompe à engrenages avec dispositif pour nettoyage Download PDF

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Publication number
EP1164293A2
EP1164293A2 EP01112848A EP01112848A EP1164293A2 EP 1164293 A2 EP1164293 A2 EP 1164293A2 EP 01112848 A EP01112848 A EP 01112848A EP 01112848 A EP01112848 A EP 01112848A EP 1164293 A2 EP1164293 A2 EP 1164293A2
Authority
EP
European Patent Office
Prior art keywords
gear
drive shaft
bearing
flushing
rinsing
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
EP01112848A
Other languages
German (de)
English (en)
Other versions
EP1164293A3 (fr
EP1164293B1 (fr
Inventor
Egon Gathmann
Arkadius Tomzik
Thomas Dürr
Thomas Appel
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.)
Oerlikon Textile & Co KG En Duerr Systems Gm GmbH
Original Assignee
Barmag AG
Duerr Systems AG
Barmag Barmer Maschinenfabrik AG
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 Barmag AG, Duerr Systems AG, Barmag Barmer Maschinenfabrik AG filed Critical Barmag AG
Publication of EP1164293A2 publication Critical patent/EP1164293A2/fr
Publication of EP1164293A3 publication Critical patent/EP1164293A3/fr
Application granted granted Critical
Publication of EP1164293B1 publication Critical patent/EP1164293B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • F04C13/005—Removing contaminants, deposits or scale from the pump; Cleaning
    • 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

Definitions

  • the invention relates to a gear pump for the metered conveying of colored paints according to the preamble of claim 1.
  • a generic gear pump is known from EP 0 061 630, in which a flushing channel system is provided, in particular to remove paint residues from the storage gaps and to flush sealing gaps within the pump. This is done via a closable inlet introduced a detergent into a rinsing chamber, the led via flushing channels from the flushing chamber to the gaps to be flushed becomes. The detergent is then fed to a main rinse stream, which via the Pump inlet is fed in and discharged via the pump outlet.
  • the paint residues from the bearing gaps are insufficient rinse. There are dead spaces in particular in the area of the drive shaft formed, the color particles are not rinsed out, however, by rotating the Drive shaft more or less to color mixing during operation to lead.
  • the invention is therefore based on the object, possibilities for quick and thorough cleaning of the bearings in the gear pump.
  • the rinsing chamber at the outer end of one of the bearings of the drive shaft and one second rinsing chamber at the outer end of the opposite bearing of the Drive shaft are formed. Both rinsing chambers are through at least one the rinsing channels connected to each other. Thus, the can inevitably be advantageous are adequately flushed at the ends of the bearing that form the bearing.
  • the rinsing chambers preferably extend over the entire peripheral area the bearing gap, so that a uniform flow through the bearing gap is guaranteed.
  • one of the rinsing chambers is an annular chamber between the pump housing and the drive shaft at the outer end of one of the bearing points of the drive shaft educated.
  • the annular chamber is limited on the outside by a seal that at the same time seals the pump from the outside. So that arrives the detergent right up to the sealing of the external drive shaft, so that even paint residues are flushed out immediately before the sealing point can be.
  • the drive shaft in the areas of the bearings and the gearwheel with essentially the same diameter executed.
  • the flushing channel is a blind hole or a spiral groove educated.
  • the helical groove is helical is particularly advantageous is introduced on the circumference of the drive shaft. It extends from outer end of the bearing point facing the rinsing chamber to the outer End of the opposite bearing point of the drive shaft facing the annular chamber. This is in addition to the connection of the two rinsing chambers simultaneously due to the rotation of the drive shaft evenly on the detergent Scope of the storage locations distributed.
  • the detergent entering the annular chamber is then passed through a second partial groove on the circumference of the drive shaft in the opposite direction to the front of the gear.
  • connection between the rinsing chambers it is also possible to make the connection between the rinsing chambers to carry out a blind hole.
  • the flushing of the bearing gaps can be done to improve in that the detergent over a partial groove from the respective rinsing chamber is guided to the respective end face of the gear.
  • the partial grooves are helical on the circumference of the drive shaft, and extend from the end of the bearing to the front of the gear.
  • the flushing agent is also made even by rotating the drive shaft brought up to the pump housing.
  • the longitudinal groove extends in the radial direction over a section of the sealing gap of the gear and is with a flushing channel, for example one on the circumference the helical groove introduced into the drive shaft.
  • a flushing channel for example one on the circumference the helical groove introduced into the drive shaft.
  • To discharge the Color residues from the bearing gaps and the sealing gaps are those on the front of the Gear wheels opposite housing plates with an outlet groove in the area a contact surface.
  • the outlet grooves are through channels with the pump outlet connected.
  • one of the flushing channels as an axial blind bore trained in the bearing shaft.
  • the material hole is on the one hand through a hole with the rinsing chamber and on the other hand through a transverse bore with the bearing columns connected.
  • the detergent passes directly into the storage gap the bearing shaft and the gear.
  • an axial groove is provided in the idler gear on the inner circumference, which extends over the entire tooth width.
  • the gear pump according to the invention is particularly characterized in that the detergent in the entire interior of the pump, especially on heavy inaccessible areas and intensive rinsing of the paint residues leads.
  • the flushing process of the gear pump or the color change when painting is due to the inventive design of the flushing system in the Gear pump accomplished in a very short time.
  • FIGS. 1 and 2 show a first exemplary embodiment of the invention Gear pump shown.
  • Fig. 1 shows the gear pump schematically in one View
  • Fig. 2 is a sectional view of the gear pump of Fig. 1 along the Section line I-I.
  • FIGS. 1 and 2 show a first exemplary embodiment of the invention Gear pump shown.
  • Fig. 1 shows the gear pump schematically in one View
  • Fig. 2 is a sectional view of the gear pump of Fig. 1 along the Section line I-I.
  • the gear pump consists of a pump housing 1.
  • the pump housing 1 is constructed in several parts and has the housing plates 1.1 and 1.2 and between the housing plates 1.1 and 1.2 held middle plate 1.3.
  • the middle plate 1.3 has cutouts for two intermeshing gears 4 and 5 on.
  • the gear 4 is rotatably mounted on a fixed bearing shaft 7.
  • the bearing shaft 7 is firmly connected to the housing plate 1.1.
  • the second gear 5 is pressed on a drive shaft 6.
  • the drive shaft 6 is with a free one End stored in the housing plate 1.1, so that between the housing plate 1.1 and the drive shaft 6 forms the bearing gap 10.
  • On the opposite Side of the gear 5 is the drive shaft 6 in the housing plate 1.2 also rotatably mounted. Between the housing plate 1.2 and the drive shaft 6, the bearing gap 9 is formed.
  • a seal 16 is provided outside the bearing, so that a Free drive end of the drive shaft 6 pressure-tight to the outside of a drive is led.
  • the housing plate 1.2 are a pump inlet 2 and a pump outlet 3 introduced, the channel-shaped in an inlet chamber or an outlet chamber are led.
  • the gear pump has 1 and 2, a flushing channel system through which an externally supplied Detergent for washing the gaps between the rotating and standing Components is directed.
  • the flushing channel system has an inlet 26 for flushing on, which is introduced in the axial extension of the drive shaft 6 in the housing plate 1.1 is.
  • On the front side of the drive shaft 6 is at the outer end of the location a rinsing chamber 8 is formed in the housing plate 1.1, in which the inlet 26 flows into.
  • the rinsing chamber 8 is through a bore 29 in the housing plate 1.1 with a transverse bore 18.1 and a blind bore 17 in the bearing shaft 7 connected.
  • a further transverse bore 18.2 through which the bore 17 is connected to the bearing gap 19.
  • an axial groove 20 is provided on the inner circumference, which at one end in a longitudinal groove 21 introduced into the face of the gear 4 opens.
  • the longitudinal groove 21 faces the contact surface of the housing plate 1.2.
  • an outlet groove 22 is made in the contact surface of the housing plate 1.2, an outlet groove 22.
  • the outlet groove 22 is through the bores 23 and 24 with the pump outlet 3 connected.
  • the rinsing chamber 8 on the end face of the drive shaft 6 is axially in the Drive shaft 6 introduced blind bore 13 and a transverse transverse bore 14 connected to a second rinsing chamber 15.
  • the rinsing chamber 15 is at the outer end of the opposite bearing between the drive shaft 6 and the housing plate 1.2 formed as an annular chamber.
  • the annular chamber 15 is limited in the axial direction by the seal 16.
  • the drive shaft 6 instructs this point a diameter step so that the bearing bore and the outer diameter the seal 16 in the housing plate 1.2 is designed without a step.
  • a longitudinal groove 21 is introduced in the area in which the partial groove 11 penetrates into the end face of the gear wheel 5 is in the end face of the gear 5, a longitudinal groove 21 is introduced.
  • the longitudinal groove 21 extends radially over a portion of the sealing gap between the gear 5 and the Housing plate 1.2.
  • an outlet groove 22 which, when the drive shaft 6 rotates with the Longitudinal groove 21 of the gear comes to partial coverage.
  • the outlet groove 22 is connected to the pump outlet 3 via the bores 23 and 24.
  • a further rinsing channel designed as a partial groove 12 leads from the rinsing chamber 8 on the circumference of the drive shaft 6 to the closest end face of the gear wheel 5.
  • the housing plate 1.1 also has two introduced into the system surfaces Exhaust grooves that correspond to longitudinal grooves 21 of the gears 4 and 5.
  • the grooves are not arranged in the sectional plane, so that they are not in FIG. 2 are shown.
  • the inlet 26 is connected to a pressure source 27 via a closable shut-off valve 25 connected.
  • the pressure source 27 carries a flushing agent 28.
  • the inlet 26 for the detergent is through the Lock valve 25 closed.
  • the pump conveys an inflow via the pump inlet 2 Color paint depending on the drive speed to the pump outlet 3.
  • Colored paint is flushed through the gear pump.
  • a Flushing agent flow introduced into the pump inlet 2 which is essentially the paint residue from the inlet chamber, the interdental spaces and the outlet chamber leads to the pump outlet.
  • a second flushing agent flow is via the shut-off valve 25 and the inlet 26 into the Rinsing chamber 8 passed.
  • a distribution to the bearing shaft takes place from the rinsing chamber 8 7 and towards the drive shaft 6.
  • a partial flow of the detergent arrives through the bore 29 to the bearing shaft 7.
  • the bearing gap 19 becomes even from the axial groove 20 slips on, so that a larger amount of rinsing liquid for rinsing the bearing gap 19 is present.
  • the rinsing liquid exits the bearing gap 19 to the End faces of the gear 4 in the sealing gap between the housing plates 1.1 and the gear 4 and the housing plate 1.2 and the gear 4.
  • the longitudinal grooves 21 introduced in the face of the gear 4 and the corresponding ones Housing plates 1.2 and 1.1 introduced outlet grooves 22 reached, that the sealing gap with a relatively large flow rate of the detergent be rinsed out.
  • the detergent passes through the outlet grooves 22 to the Bores 23 and 24 and then exits through the pump outlet 3.
  • the flushing agent is discharged from the flushing chamber 8 the blind bore 13 and the transverse bore 14 within the drive shaft 6 to the Annular chamber 15 out.
  • the annular chamber 15 is at the outer end of the bearing point the drive shaft 6 is formed in the housing plate 1.2. In the axial direction it is Annular chamber 15 sealed by the seal 16.
  • the bearing gap 9 extends in the axial direction between the drive shaft 6 and the housing plate 1.2. The washing-up liquid reaches the one directly from the annular chamber 15 into the bearing gap 9.
  • To larger To allow flow rates for flushing the bearing gap 19 is on the circumference a partial groove 11 is helically introduced into the drive shaft 6.
  • the partial groove 11 extends from the diameter step of the drive shaft 6 to the closest one Face of the gear wheel 5.
  • On the opposite bearing of the Drive shaft 6 in the housing plate 1.1 is also on the circumference of the drive shaft 6 a partial groove 12 is introduced helically.
  • the partial groove extends from the face of the drive shaft 6 to the closest face of the gear 5.
  • each of the end faces of the gear wheel 5 there is a longitudinal groove 21 which over a section of the sealing gap between the gear 5 and the housing plates 1.1 and 1.2 extends.
  • the longitudinal groove 21 is with the partial groove 11 or Partial groove 12 connected.
  • On the system surfaces of the housing plates 1.2 and 1.1 each introduced an outlet groove 22, which is also over a portion of the Sealing gap between the gear 5 and the housing plates 1.1 and 1.2 extends.
  • the longitudinal grooves 21 and Outlet groove 22 for partial coverage. This will also result in a large flow rate of the detergent in the sealing gap between the gear 5 and Housing plates 1.1 and 1.2 guided.
  • the detergent with rinsed paint residues then reaches the pump outlet 3 via the bore 22 and 23.
  • FIGS. 1 and 2 In the embodiment of the gear pump according to the invention shown in FIGS. 1 and 2 is the lockable inlet of the flushing agent at the pump inlet and Pump outlet arranged on the opposite side. However, it is without difficulty possible to connect the inlet directly to the annular chamber 15. The flushing of the bearing gaps and sealing gaps would have the same flow direction rinsed through.
  • FIG. 3 shows a further exemplary embodiment of a gear pump according to the invention shown in a sectional view.
  • the structure and the function are in essentially identical to the previous embodiment, so that on the previous description is referred to. Below will be explained the differences in particular in the flushing channel system.
  • the embodiment shown in Fig. 3 has a total of four parts formed pump housing 1.
  • a pump support 1.4 is provided, on which the housing plate 1.2 is flanged.
  • a through hole is in the bellhousing 1.4 to carry the drive shaft 6 and to accommodate a seal 16 and a bearing bush 31 which is firmly connected to the housing plate 1.2.
  • the drive shaft 6 is mounted.
  • On the to the Gear 5 opposite side is the drive shaft 6 in the housing plate 1.1 rotatably mounted.
  • a rinsing chamber 8 On the free end face of the drive shaft 6 and a second rinsing chamber as an annular chamber 15 at the outer end of the opposite Camp trained.
  • the rinsing chambers 8 and 15 are dimensioned such that that the detergent immediately enter the bearing gaps 10 and 9 can.
  • a helical groove 30 is introduced on the circumference of the drive shaft 6. The Helical groove 30 extends from the end face of the drive shaft 6 to one Diameter stage of the drive shaft 6, which is an axial limitation of the annular chamber 15 forms.
  • the pump inlet and the Pump outlet 3 is also arranged on the drive side of the gear pump.
  • the pump inlet and the pump outlet penetrate both the bellhousing 1.4 and the housing plate 1.2 channel-shaped.
  • the flushing agent flowing into the annular chamber 15 becomes via the partial groove 11 End face of the gear 5 is returned.
  • the detergent passes from the partial groove 11 in the sealing gap between the gear 5 and the housing plate 1.2.
  • the detergent enters the tooth gaps and from there into the pump outlet 3.
  • an intensive Flushing of the drive-side bearing of the drive shaft 6 reached.
  • Color residues are caused by the large amounts of detergent inside the ring chamber 15 completely rinsed out and removed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
EP01112848A 2000-06-14 2001-05-31 Pompe ? engrenages avec dispositif de nettoyage Expired - Lifetime EP1164293B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10029276 2000-06-14
DE10029276 2000-06-14

Publications (3)

Publication Number Publication Date
EP1164293A2 true EP1164293A2 (fr) 2001-12-19
EP1164293A3 EP1164293A3 (fr) 2003-06-04
EP1164293B1 EP1164293B1 (fr) 2006-09-13

Family

ID=7645686

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01112848A Expired - Lifetime EP1164293B1 (fr) 2000-06-14 2001-05-31 Pompe ? engrenages avec dispositif de nettoyage

Country Status (4)

Country Link
EP (1) EP1164293B1 (fr)
AT (1) ATE339615T1 (fr)
DE (1) DE50110984D1 (fr)
ES (1) ES2270922T3 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10202618C1 (de) * 2001-12-12 2003-04-03 Kreyenborg Verwaltungen Förderpumpe für fluide Medien
US6802702B2 (en) 2001-12-12 2004-10-12 Kreyenborg Verwal Tungen Und Beteiligungen Gmbh & Co. Kg Feed pump for fluidic media having sleeve bearing lubrication
EP1653083A1 (fr) * 2004-10-29 2006-05-03 Saurer GmbH & Co. KG Pompe à engrenages avec palier de support radial et axial
DE102005016670A1 (de) * 2005-04-12 2006-10-19 LacTec Gesellschaft für moderne Lackiertechnik mbH Lackdosierpumpe
WO2008113712A1 (fr) * 2007-03-20 2008-09-25 Oerlikon Textile Gmbh & Co. Kg Pompe à engrenages
DE102010009668A1 (de) 2010-02-27 2011-09-01 Oerlikon Textile Gmbh & Co. Kg Zahnradpumpe
DE102010012653A1 (de) 2010-03-25 2011-09-29 Oerlikon Textile Gmbh & Co. Kg Zahnradpumpe
CN102959245A (zh) * 2010-07-02 2013-03-06 欧瑞康纺织有限及两合公司 齿轮泵
RU2583197C1 (ru) * 2015-04-07 2016-05-10 Акционерное общество "Каменскволокно" (АО "Каменскволокно") Шестеренный дозирующий насос
WO2018103911A1 (fr) * 2016-12-08 2018-06-14 Robert Bosch Gmbh Pompe à engrenage
EP3862532A1 (fr) * 2020-02-07 2021-08-11 Fluid-O-Tech S.r.l. Pompe destinée en particulier à pomper un liquide tel que de l'encre, de la peinture, de la colle ou analogue
CN116066354A (zh) * 2021-11-02 2023-05-05 上海发那科机器人有限公司 一种集成快速内部清洗功能的齿轮泵
CN118768280A (zh) * 2024-06-27 2024-10-15 岚图汽车科技有限公司 一种喷涂机器人清洗系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1055850A (en) * 1964-07-27 1967-01-18 Borg Warner A liquid supply system incorporating a contaminant resistant gear pump
US4400147A (en) * 1981-03-25 1983-08-23 Binks Manufacturing Company Flushable rotary gear pump
US4534717A (en) * 1981-05-01 1985-08-13 Ford Motor Company Flushable metering pump
CH684954A5 (de) * 1991-02-27 1995-02-15 Maag Pump Systems Ag Zahnradpumpe.
DE4425227A1 (de) * 1994-07-16 1996-01-18 Abb Patent Gmbh Zahnradpumpe zur Lackförderung

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6802702B2 (en) 2001-12-12 2004-10-12 Kreyenborg Verwal Tungen Und Beteiligungen Gmbh & Co. Kg Feed pump for fluidic media having sleeve bearing lubrication
DE10202618C1 (de) * 2001-12-12 2003-04-03 Kreyenborg Verwaltungen Förderpumpe für fluide Medien
EP1653083A1 (fr) * 2004-10-29 2006-05-03 Saurer GmbH & Co. KG Pompe à engrenages avec palier de support radial et axial
US7495575B2 (en) 2004-10-29 2009-02-24 Saurer Gmbh & Co. Kg Gear pump
CN100513788C (zh) * 2004-10-29 2009-07-15 苏拉有限及两合公司 齿轮泵
DE102005016670B4 (de) * 2005-04-12 2010-08-19 LacTec Gesellschaft für moderne Lackiertechnik mbH Lackdosierpumpe
DE102005016670A1 (de) * 2005-04-12 2006-10-19 LacTec Gesellschaft für moderne Lackiertechnik mbH Lackdosierpumpe
CN101657643B (zh) * 2007-03-20 2012-12-26 欧瑞康纺织有限及两合公司 齿轮泵
US9004890B2 (en) 2007-03-20 2015-04-14 Oerlikon Textile Gmbh & Co. Kg Gear wheel pump
WO2008113712A1 (fr) * 2007-03-20 2008-09-25 Oerlikon Textile Gmbh & Co. Kg Pompe à engrenages
RU2435073C2 (ru) * 2007-03-20 2011-11-27 Ёрликон Текстиле Гмбх Унд Ко. Кг Шестеренчатый насос
DE102010009668A1 (de) 2010-02-27 2011-09-01 Oerlikon Textile Gmbh & Co. Kg Zahnradpumpe
WO2011117154A2 (fr) 2010-03-25 2011-09-29 Oerlikon Textile Gmbh & Co. Kg Pompe à engrenages
DE102010012653A1 (de) 2010-03-25 2011-09-29 Oerlikon Textile Gmbh & Co. Kg Zahnradpumpe
CN103097731B (zh) * 2010-03-25 2016-03-30 欧瑞康纺织有限及两合公司 齿轮泵
CN103097731A (zh) * 2010-03-25 2013-05-08 欧瑞康纺织有限及两合公司 齿轮泵
RU2530692C2 (ru) * 2010-03-25 2014-10-10 Ёрликон Текстиле Гмбх Унд Ко. Кг Шестеренчатый насос
CN102959245B (zh) * 2010-07-02 2016-01-06 欧瑞康纺织有限及两合公司 齿轮泵
CN102959245A (zh) * 2010-07-02 2013-03-06 欧瑞康纺织有限及两合公司 齿轮泵
RU2583197C1 (ru) * 2015-04-07 2016-05-10 Акционерное общество "Каменскволокно" (АО "Каменскволокно") Шестеренный дозирующий насос
WO2018103911A1 (fr) * 2016-12-08 2018-06-14 Robert Bosch Gmbh Pompe à engrenage
EP3862532A1 (fr) * 2020-02-07 2021-08-11 Fluid-O-Tech S.r.l. Pompe destinée en particulier à pomper un liquide tel que de l'encre, de la peinture, de la colle ou analogue
US12055144B2 (en) 2020-02-07 2024-08-06 Fluid-O-Tech S.R.L. Pump particularly for pumping a liquid such as ink, paint, glue or the like
CN116066354A (zh) * 2021-11-02 2023-05-05 上海发那科机器人有限公司 一种集成快速内部清洗功能的齿轮泵
CN118768280A (zh) * 2024-06-27 2024-10-15 岚图汽车科技有限公司 一种喷涂机器人清洗系统

Also Published As

Publication number Publication date
EP1164293A3 (fr) 2003-06-04
DE50110984D1 (de) 2006-10-26
EP1164293B1 (fr) 2006-09-13
ATE339615T1 (de) 2006-10-15
ES2270922T3 (es) 2007-04-16

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