EP1898096B1 - Pompe à lobes - Google Patents

Pompe à lobes Download PDF

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Publication number
EP1898096B1
EP1898096B1 EP07012326A EP07012326A EP1898096B1 EP 1898096 B1 EP1898096 B1 EP 1898096B1 EP 07012326 A EP07012326 A EP 07012326A EP 07012326 A EP07012326 A EP 07012326A EP 1898096 B1 EP1898096 B1 EP 1898096B1
Authority
EP
European Patent Office
Prior art keywords
rotors
rotor
inlet
longitudinal axis
pump according
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.)
Active
Application number
EP07012326A
Other languages
German (de)
English (en)
Other versions
EP1898096A3 (fr
EP1898096A2 (fr
Inventor
Gerd Langer
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.)
Herold and Co GmbH
Original Assignee
Herold and Co 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 Herold and Co GmbH filed Critical Herold and Co GmbH
Priority to PL07012326T priority Critical patent/PL1898096T3/pl
Publication of EP1898096A2 publication Critical patent/EP1898096A2/fr
Publication of EP1898096A3 publication Critical patent/EP1898096A3/fr
Application granted granted Critical
Publication of EP1898096B1 publication Critical patent/EP1898096B1/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
    • 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
    • F04C2/126—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 radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots 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
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/084—Toothed wheels
    • 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
    • F04C2250/00—Geometry
    • F04C2250/10—Geometry of the inlet or outlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Claims (5)

  1. Pompe dotée d'un carter formé de deux sections de cylindre (2, 3) se croisant, sachant que des ouvertures d'admission et d'évacuation (4, 5) sont prévues sur des côtés opposés et un rotor (6, 7) rotatif autour de son axe médian longitudinal (8, 9) est disposé dans chaque section de cylindre (2, 3), sachant que les plus grands axes transversaux des rotors (6, 7) sont chacun à peu près perpendiculaires les uns aux autres pendant au moins une phase de déplacement et les rotors (6, 7) tournent très près l'un contre l'autre et contre la paroi intérieure du carter, et sachant que les génératrices (12) de chaque rotor (6, 7) partant du point d'intersection des grands axes transversaux s'étendent dans un sens opposé en biais par rapport à l'axe médian longitudinal (8, 9) respectif et chaque rotor (6, 7) comporte deux sections à peu près en forme de lobe qui sont reliées sur leur extrémité la plus étroite par un rétrécissement, sachant que les rotors (6, 7) présentent une telle configuration et sont disposés l'un par rapport à l'autre que si les grands axes transversaux des deux rotors (6, 7) sont perpendiculaires les uns aux autres, la section en forme de lobe d'un rotor (6, 7) s'engage dans le rétrécissement de l'autre rotor (6, 7) et les deux rotors tournent très près l'un contre l'autre, sachant que pendant chaque phase du mouvement de rotation, les deux rotors forment un volume d'aspiration augmentant régulièrement avant l'ouverture d'admission (4) et un volume d'évacuation diminuant régulièrement avant l'ouverture d'évacuation (5), caractérisée en ce que les génératrices (12) fonctionnant comme des lignes de contact sont réalisées de manière sinusoïdale, en ce que l'ouverture d'admission et d'évacuation (4, 5) sont réalisées en forme de triangle ou de trapèze, et en ce que les branches ou arêtes latérales (17, 18) de l'ouverture d'admission et d'évacuation (4, 5) sont configurées en cissoïde.
  2. Pompe selon la revendication 1, caractérisée en ce que les génératrices (12) sinusoïdales sont réalisées en forme de lignes géométriques.
  3. Pompe selon la revendication 1, caractérisée en ce que les génératrices sinusoïdales (12) sont élargies pour former des surfaces étanches de type bande.
  4. Pompe selon la revendication 3, caractérisée en ce que les rotors (6, 7) présentent, vu en section, des indentations concaves (14) de part et d'autre du grand axe longitudinal (15) ou de part et d'autre du petit axe longitudinal (16).
  5. Pompe selon la revendication 1, caractérisée en ce que respectivement une ouverture d'admission (4) est prévue côté admission et à l'opposé exact et en alignement avec l'ouverture d'admission (4), une ouverture d'évacuation (5).
EP07012326A 2006-09-05 2007-06-23 Pompe à lobes Active EP1898096B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07012326T PL1898096T3 (pl) 2006-09-05 2007-06-23 Pompa próżniowa Rootsa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006041633A DE102006041633A1 (de) 2006-09-05 2006-09-05 Pumpe

Publications (3)

Publication Number Publication Date
EP1898096A2 EP1898096A2 (fr) 2008-03-12
EP1898096A3 EP1898096A3 (fr) 2010-04-28
EP1898096B1 true EP1898096B1 (fr) 2011-08-03

Family

ID=38727488

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07012326A Active EP1898096B1 (fr) 2006-09-05 2007-06-23 Pompe à lobes

Country Status (9)

Country Link
US (1) US7766635B2 (fr)
EP (1) EP1898096B1 (fr)
CN (1) CN101139989B (fr)
AT (1) ATE519035T1 (fr)
BR (1) BRPI0703913A2 (fr)
DE (1) DE102006041633A1 (fr)
ES (1) ES2370661T3 (fr)
PL (1) PL1898096T3 (fr)
RU (1) RU2463481C2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010012494U1 (de) * 2010-09-13 2011-12-15 Hugo Vogelsang Maschinenbau Gmbh Drehkolbenpumpe und Drehkolben
DE102012008527B3 (de) * 2012-05-02 2013-07-25 Netzsch Pumpen & Systeme Gmbh Drehkolbenpumpe mit optimierten ein-und auslässen
CN104364528B (zh) * 2012-06-28 2018-07-10 株式会社日立制作所 齿轮泵
DE202012010401U1 (de) * 2012-10-31 2014-02-03 Hugo Vogelsang Maschinenbau Gmbh Drehkolbenpumpe mit Direktantrieb
CN103758755B (zh) * 2014-01-27 2015-12-09 浙江理工大学 一种正弦非圆齿轮驱动的八叶片差速泵
IT201700045807A1 (it) * 2017-04-28 2017-07-28 Hero Europe S R L Dispositivo, sistema di dosaggio per prodotti in polvere, liquidi, pastosi o cremosi e macchina dispensatrice comprendente tale dispositivo
CN107905997B (zh) * 2017-10-19 2019-03-08 浙江大学 一种耐磨损的水液压内啮合齿轮泵的齿圈结构

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1142734A (en) * 1913-04-30 1915-06-08 Charles W Sidwell Pump.
GB382953A (en) * 1930-06-11 1932-11-10 Commercial Patents Inc Fluid apparatus provided with co-operating rotary pistons
DE2108714B2 (de) * 1971-02-24 1973-05-30 Gebr Wmkelstrater GmbH, 5600 Wuppertal Barmen Parallel- und aussenachsige rotationskolbenmaschine
US5039289A (en) * 1983-11-07 1991-08-13 Wankel Gmbh Rotary piston blower having piston lobe portions shaped to avoid compression pockets
DE3502839A1 (de) * 1985-01-29 1986-07-31 Bsa Maschinenfabrik Paul G. Langer Gmbh, 8581 Marktschorgast Pumpe
DE3718866A1 (de) * 1987-06-05 1988-12-22 Langer Bsa Maschf Pumpe
US4938670A (en) * 1989-10-02 1990-07-03 Tocew Lee Rotary fluid machine
EP0472751B1 (fr) * 1990-08-27 1994-05-18 Leybold Aktiengesellschaft Rotor pour une pompe à vide avec des rotors à lobes
DE4121684C2 (de) * 1991-06-29 1999-04-01 Herold & Co Gmbh Pumpe
DE4330085A1 (de) * 1993-09-06 1995-03-09 Hugo Vogelsang Maschinenbau Gm Rotationskolben für Verdrängerpumpen nach dem Roots-Prinzip für inkompressible Medien
CZ288117B6 (cs) * 2000-02-18 2001-04-11 Perna Vratislav Zařízení se šroubovými zuby ve vzájemné interakci
RU2197642C1 (ru) * 2001-12-25 2003-01-27 Румянцев Валентин Павлович Роторная объемная машина
DE102005017575A1 (de) * 2004-08-05 2006-03-16 Börger GmbH Drehkolbenpumpe mit einem Pumpengehäuse und zwei zweiflügeligen Drehkolben
JP4613811B2 (ja) * 2005-12-09 2011-01-19 株式会社豊田自動織機 ルーツ式流体機械

Also Published As

Publication number Publication date
US7766635B2 (en) 2010-08-03
CN101139989B (zh) 2011-10-12
US20080056927A1 (en) 2008-03-06
PL1898096T3 (pl) 2011-12-30
RU2007132984A (ru) 2009-03-10
EP1898096A3 (fr) 2010-04-28
BRPI0703913A2 (pt) 2010-01-19
DE102006041633A1 (de) 2008-03-13
ATE519035T1 (de) 2011-08-15
CN101139989A (zh) 2008-03-12
EP1898096A2 (fr) 2008-03-12
RU2463481C2 (ru) 2012-10-10
ES2370661T3 (es) 2011-12-21

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