EP1921319A3 - Pompe rotative à déplacement positif avec rotors hélicoïdaux - Google Patents

Pompe rotative à déplacement positif avec rotors hélicoïdaux Download PDF

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Publication number
EP1921319A3
EP1921319A3 EP08101970A EP08101970A EP1921319A3 EP 1921319 A3 EP1921319 A3 EP 1921319A3 EP 08101970 A EP08101970 A EP 08101970A EP 08101970 A EP08101970 A EP 08101970A EP 1921319 A3 EP1921319 A3 EP 1921319A3
Authority
EP
European Patent Office
Prior art keywords
teeth
positive
rotary pump
displacement rotary
gears
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.)
Withdrawn
Application number
EP08101970A
Other languages
German (de)
English (en)
Other versions
EP1921319A2 (fr
Inventor
Mario Antonio Morselli
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11438276&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1921319(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP1921319A2 publication Critical patent/EP1921319A2/fr
Publication of EP1921319A3 publication Critical patent/EP1921319A3/fr
Withdrawn legal-status Critical Current

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
    • F04C2/084—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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
    • 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
    • F04C2/088—Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
EP08101970A 2000-03-08 2001-03-08 Pompe rotative à déplacement positif avec rotors hélicoïdaux Withdrawn EP1921319A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2000BO000119A ITBO20000119A1 (it) 2000-03-08 2000-03-08 Pompa volumetrica rotativa a rotori elicoidali .
EP01105738A EP1132618B1 (fr) 2000-03-08 2001-03-08 Pompe rotative à déplacement positif avec de rotors hélicoidaux

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP01105738A Division EP1132618B1 (fr) 2000-03-08 2001-03-08 Pompe rotative à déplacement positif avec de rotors hélicoidaux

Publications (2)

Publication Number Publication Date
EP1921319A2 EP1921319A2 (fr) 2008-05-14
EP1921319A3 true EP1921319A3 (fr) 2008-06-25

Family

ID=11438276

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08101970A Withdrawn EP1921319A3 (fr) 2000-03-08 2001-03-08 Pompe rotative à déplacement positif avec rotors hélicoïdaux
EP01105738A Expired - Lifetime EP1132618B1 (fr) 2000-03-08 2001-03-08 Pompe rotative à déplacement positif avec de rotors hélicoidaux

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP01105738A Expired - Lifetime EP1132618B1 (fr) 2000-03-08 2001-03-08 Pompe rotative à déplacement positif avec de rotors hélicoidaux

Country Status (6)

Country Link
EP (2) EP1921319A3 (fr)
AT (1) ATE393882T1 (fr)
DE (1) DE60133786T2 (fr)
DK (1) DK1132618T3 (fr)
ES (1) ES2306681T3 (fr)
IT (1) ITBO20000119A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK1371848T3 (da) 2002-06-12 2006-05-22 Mario Antonio Morselli Tandhjulspumpe med spline-funktionsgenereret tandhjulsprofil
US6887055B2 (en) 2002-10-25 2005-05-03 Mario Antonio Morselli Positive-displacement rotary pump
US7530217B2 (en) 2005-12-16 2009-05-12 General Electric Company Axial flow positive displacement gas generator with combustion extending into an expansion section
US7726115B2 (en) 2006-02-02 2010-06-01 General Electric Company Axial flow positive displacement worm compressor
ITBO20070172A1 (it) * 2007-03-14 2008-09-15 Mario Antonio Morselli Apparecchiatura idraulica ad ingranaggi perfezionata
US8708643B2 (en) 2007-08-14 2014-04-29 General Electric Company Counter-rotatable fan gas turbine engine with axial flow positive displacement worm gas generator
US7854111B2 (en) 2008-03-07 2010-12-21 General Electric Company Axial flow positive displacement turbine
IT1390747B1 (it) * 2008-08-12 2011-09-23 Settima Flow Mechanisms Srl Pompa volumetrica rotativa ad ingranaggi
IT1398817B1 (it) * 2009-10-30 2013-03-21 Morselli Ruota dentata con profilo atto ad ingranare con semi-incapsulamento in un'apparecchiatura idraulica ad ingranaggi
US9404366B2 (en) 2009-10-30 2016-08-02 Settima Meccanica S.R.L. Gear wheel with profile capable of meshing with semi-encapsulation in a geared hydraulic apparatus
DE102010005900A1 (de) * 2010-01-27 2011-07-28 Robert Bosch GmbH, 70469 Hydraulische Zahnradmaschine
ITRM20110378A1 (it) 2011-07-19 2013-01-20 Mario Antonio Morselli Pompa volumetrica rotativa a ruote dentate bielicoidali
CN103850932A (zh) * 2012-12-05 2014-06-11 上海易昆机械工程有限公司 一种无脉动转子泵
CN103486023B (zh) * 2013-07-10 2015-10-28 重庆德衡科技有限公司 螺杆泵及螺杆
RU2553848C1 (ru) * 2014-05-28 2015-06-20 Виктор Владимирович Становской Шестеренная машина
IT202300008985A1 (it) 2023-05-05 2024-11-05 Stem Numerical Eng S R L Macchina idraulica volumetrica rotativa perfezionata

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1620261A (en) * 1924-06-11 1927-03-08 Laval Steam Turbine Co Rotary gear pump
US1742597A (en) * 1927-05-20 1930-01-07 Joseph Mercadante Rotary pump
GB661329A (en) * 1948-06-24 1951-11-21 Guinard Paul Andre Balanced screw pumps
US3164099A (en) * 1961-08-09 1965-01-05 Iyoi Hitosi Toothed profiles of rotors of gear pump
US3658452A (en) * 1969-11-18 1972-04-25 Shimadzu Corp Gear pump or motor
US4017223A (en) * 1975-03-24 1977-04-12 Houdaille Industries, Inc. Axial thrust adjustment for dual screw-type pump
GB2023739A (en) * 1978-06-28 1980-01-03 Allweiler Ag Rotary positive-displacement fluid-machines
IT1124357B (it) * 1979-11-23 1986-05-07 Marzocchi Paolo & Adriano Perfezionamenti particolarmente adatti per le pompe e per i motori idraulici ad ingranaggi di tipo elicoidale
EP0405161A1 (fr) * 1989-06-26 1991-01-02 Allweiler AG Pompe à rotors hélicoidaux
DE4330085A1 (de) * 1993-09-06 1995-03-09 Hugo Vogelsang Maschinenbau Gm Rotationskolben für Verdrängerpumpen nach dem Roots-Prinzip für inkompressible Medien

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1283389B1 (it) 1995-03-10 1998-04-17 Stem Numerical Engineering Srl Profili per rotori di compressori roots

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1620261A (en) * 1924-06-11 1927-03-08 Laval Steam Turbine Co Rotary gear pump
US1742597A (en) * 1927-05-20 1930-01-07 Joseph Mercadante Rotary pump
GB661329A (en) * 1948-06-24 1951-11-21 Guinard Paul Andre Balanced screw pumps
US3164099A (en) * 1961-08-09 1965-01-05 Iyoi Hitosi Toothed profiles of rotors of gear pump
US3658452A (en) * 1969-11-18 1972-04-25 Shimadzu Corp Gear pump or motor
US4017223A (en) * 1975-03-24 1977-04-12 Houdaille Industries, Inc. Axial thrust adjustment for dual screw-type pump
GB2023739A (en) * 1978-06-28 1980-01-03 Allweiler Ag Rotary positive-displacement fluid-machines
IT1124357B (it) * 1979-11-23 1986-05-07 Marzocchi Paolo & Adriano Perfezionamenti particolarmente adatti per le pompe e per i motori idraulici ad ingranaggi di tipo elicoidale
EP0405161A1 (fr) * 1989-06-26 1991-01-02 Allweiler AG Pompe à rotors hélicoidaux
DE4330085A1 (de) * 1993-09-06 1995-03-09 Hugo Vogelsang Maschinenbau Gm Rotationskolben für Verdrängerpumpen nach dem Roots-Prinzip für inkompressible Medien

Also Published As

Publication number Publication date
ATE393882T1 (de) 2008-05-15
EP1132618A2 (fr) 2001-09-12
EP1132618B1 (fr) 2008-04-30
DE60133786T2 (de) 2009-06-25
ITBO20000119A1 (it) 2001-09-10
DK1132618T3 (da) 2008-08-25
EP1132618A3 (fr) 2002-07-10
ES2306681T3 (es) 2008-11-16
DE60133786D1 (de) 2008-06-12
EP1921319A2 (fr) 2008-05-14

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