IT202000021280A1 - Pompa a più viti per circuiti di raffreddamento - Google Patents

Pompa a più viti per circuiti di raffreddamento Download PDF

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Publication number
IT202000021280A1
IT202000021280A1 IT102020000021280A IT202000021280A IT202000021280A1 IT 202000021280 A1 IT202000021280 A1 IT 202000021280A1 IT 102020000021280 A IT102020000021280 A IT 102020000021280A IT 202000021280 A IT202000021280 A IT 202000021280A IT 202000021280 A1 IT202000021280 A1 IT 202000021280A1
Authority
IT
Italy
Prior art keywords
pump
screws
screw
driven
fluid
Prior art date
Application number
IT102020000021280A
Other languages
English (en)
Italian (it)
Inventor
Sergio Metelli
Fabrizio Antonio Fremondi
Original Assignee
Metelli S P A
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 Metelli S P A filed Critical Metelli S P A
Priority to IT102020000021280A priority Critical patent/IT202000021280A1/it
Priority to EP21020399.8A priority patent/EP3967882A1/de
Publication of IT202000021280A1 publication Critical patent/IT202000021280A1/it

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
    • F04C2/12—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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • F04C15/0038—Shaft sealings specially adapted for rotary-piston machines or pumps
    • 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
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • F04C15/0073—Couplings between rotors and input or output shafts acting by interengaging or mating parts, i.e. positive coupling of rotor and shaft
    • 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
    • F04C2/165—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 having more than two rotary pistons with parallel axes
    • 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
    • F04C2240/60—Shafts
    • F04C2240/603—Shafts with internal channels for fluid distribution, e.g. hollow shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
IT102020000021280A 2020-09-09 2020-09-09 Pompa a più viti per circuiti di raffreddamento IT202000021280A1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT102020000021280A IT202000021280A1 (it) 2020-09-09 2020-09-09 Pompa a più viti per circuiti di raffreddamento
EP21020399.8A EP3967882A1 (de) 2020-09-09 2021-08-05 Mehrschneckenpumpe für kühlkreisläufe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102020000021280A IT202000021280A1 (it) 2020-09-09 2020-09-09 Pompa a più viti per circuiti di raffreddamento

Publications (1)

Publication Number Publication Date
IT202000021280A1 true IT202000021280A1 (it) 2022-03-09

Family

ID=73699201

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102020000021280A IT202000021280A1 (it) 2020-09-09 2020-09-09 Pompa a più viti per circuiti di raffreddamento

Country Status (2)

Country Link
EP (1) EP3967882A1 (de)
IT (1) IT202000021280A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115199531A (zh) * 2022-06-17 2022-10-18 安徽凯特泵业有限公司 一种恒温输送泵

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2693763A (en) 1951-10-25 1954-11-09 Laval Steam Turbine Co Nonpositive screw pump or motor
GB718238A (en) * 1951-10-25 1954-11-10 Imo Industri Ab Improvements in or relating to screw pumps
US4131400A (en) * 1976-04-27 1978-12-26 Aktiebolaget Imo-Industri Hydraulic rotary screw machine with axial balancing piston
US20020081226A1 (en) * 2000-12-26 2002-06-27 Jianping Zhong Thrust load reliever
US6443711B1 (en) * 2000-11-14 2002-09-03 Carrier Corporation Inlet bearing lubrication for a screw machine
EP1475537A1 (de) 2003-05-08 2004-11-10 Automotive Motion Technology Limited Schraubenpumpe
CN201574926U (zh) * 2009-11-30 2010-09-08 天津泵业机械集团有限公司 经济型三螺杆泵
US20150369241A1 (en) * 2013-03-01 2015-12-24 Netzsch Pumpen & Systeme Gmbh Screw Pump
CN106194719A (zh) * 2016-08-26 2016-12-07 黄山艾肯机械制造有限公司 一种低粘度高压力的螺杆泵
WO2017189022A1 (en) * 2016-04-29 2017-11-02 Imo Industries, Inc. Modular thrust-compensating rotor assembly

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH525392A (de) * 1970-09-08 1972-07-15 Allweiler Ag Stopfbuchsloses Pumpenaggregat
DE102017218290B4 (de) * 2017-10-12 2021-07-29 Vitesco Technologies GmbH Kraftstoffpumpe und Kraftstofffördereinheit

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2693763A (en) 1951-10-25 1954-11-09 Laval Steam Turbine Co Nonpositive screw pump or motor
GB718238A (en) * 1951-10-25 1954-11-10 Imo Industri Ab Improvements in or relating to screw pumps
US4131400A (en) * 1976-04-27 1978-12-26 Aktiebolaget Imo-Industri Hydraulic rotary screw machine with axial balancing piston
US6443711B1 (en) * 2000-11-14 2002-09-03 Carrier Corporation Inlet bearing lubrication for a screw machine
US20020081226A1 (en) * 2000-12-26 2002-06-27 Jianping Zhong Thrust load reliever
EP1475537A1 (de) 2003-05-08 2004-11-10 Automotive Motion Technology Limited Schraubenpumpe
CN201574926U (zh) * 2009-11-30 2010-09-08 天津泵业机械集团有限公司 经济型三螺杆泵
US20150369241A1 (en) * 2013-03-01 2015-12-24 Netzsch Pumpen & Systeme Gmbh Screw Pump
WO2017189022A1 (en) * 2016-04-29 2017-11-02 Imo Industries, Inc. Modular thrust-compensating rotor assembly
CN106194719A (zh) * 2016-08-26 2016-12-07 黄山艾肯机械制造有限公司 一种低粘度高压力的螺杆泵

Also Published As

Publication number Publication date
EP3967882A1 (de) 2022-03-16

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