DK3889431T3 - Roterende, positiv fortrængningspumpe - Google Patents

Roterende, positiv fortrængningspumpe Download PDF

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Publication number
DK3889431T3
DK3889431T3 DK20167088.2T DK20167088T DK3889431T3 DK 3889431 T3 DK3889431 T3 DK 3889431T3 DK 20167088 T DK20167088 T DK 20167088T DK 3889431 T3 DK3889431 T3 DK 3889431T3
Authority
DK
Denmark
Prior art keywords
rotary
displacement pump
positive displacement
positive
pump
Prior art date
Application number
DK20167088.2T
Other languages
English (en)
Inventor
Simon Cargill
Original Assignee
Alfa Laval Corp Ab
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 Alfa Laval Corp Ab filed Critical Alfa Laval Corp Ab
Application granted granted Critical
Publication of DK3889431T3 publication Critical patent/DK3889431T3/da

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
    • F04C2/123—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 or approximately radially from the rotor body extending tooth-like elements, co-operating with recesses in the other rotor, e.g. one tooth
    • 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
    • F04C15/0023—Axial sealings for working fluid
    • F04C15/0026—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or pumps, e.g. gear 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/14—Rotary-piston pumps specially adapted for elastic fluids 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
    • F04C18/16—Rotary-piston pumps specially adapted for elastic fluids 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
    • 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
    • F04C2230/00—Manufacture
    • F04C2230/60—Assembly methods
    • 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
    • F04C2230/00—Manufacture
    • F04C2230/60—Assembly methods
    • F04C2230/604—Mounting devices for pumps or compressors
DK20167088.2T 2020-03-31 2020-03-31 Roterende, positiv fortrængningspumpe DK3889431T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20167088.2A EP3889431B1 (en) 2020-03-31 2020-03-31 A rotary positive displacement pump

Publications (1)

Publication Number Publication Date
DK3889431T3 true DK3889431T3 (da) 2024-03-18

Family

ID=70110087

Family Applications (1)

Application Number Title Priority Date Filing Date
DK20167088.2T DK3889431T3 (da) 2020-03-31 2020-03-31 Roterende, positiv fortrængningspumpe

Country Status (5)

Country Link
US (1) US20230138342A1 (da)
EP (1) EP3889431B1 (da)
CN (1) CN115298439B (da)
DK (1) DK3889431T3 (da)
WO (1) WO2021198060A1 (da)

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE790061A (fr) * 1971-10-14 1973-02-01 Ransburg Corp Pompe volumetrique rotative
US4153400A (en) * 1976-07-16 1979-05-08 Nakamura Kinzoku Kogyosho, Inc. Rotary pumps circulating pumped fluid to seal
US4293290A (en) * 1979-05-04 1981-10-06 Crepaco, Inc. Positive displacement rotary pump with bearings in countersunk portions of the rotors
GB8333929D0 (en) * 1983-12-20 1984-02-01 Ssp Pumps Rotary pumps
JP2563865Y2 (ja) * 1992-06-29 1998-02-25 株式会社ナカキン ロータリーポンプ
JPH0791387A (ja) * 1993-09-24 1995-04-04 Matsushita Electric Ind Co Ltd 真空ポンプ
DE19513380C2 (de) * 1995-04-08 1997-09-04 Gutehoffnungshuette Man Abdichtung, Lagerung und Antrieb der Rotoren eines trockenlaufenden Schraubenrotorverdichters
US6783342B2 (en) * 2001-09-26 2004-08-31 United Dominion Industries, Inc. Method and apparatus for timing rotors in a rotary lobe pump
AU2003265299A1 (en) * 2002-12-10 2004-06-30 Ingersoll-Rand Energy Systems Corporation Hermetic motor and gas booster
US8007264B2 (en) * 2006-08-08 2011-08-30 Spx Corporation Positive displacement pump apparatus and method
US7905717B2 (en) * 2008-06-09 2011-03-15 Wright Flow Technologies Limited PD pumps with a common gearbox module and varying capacities and easy access to mechanical seals
US8821141B2 (en) * 2011-06-23 2014-09-02 Wright Flow Technologies Limited Positive displacement rotary pumps with improved cooling
CN203348081U (zh) * 2012-04-30 2013-12-18 伊顿公司 正排量泵组件
US9273555B2 (en) * 2012-08-31 2016-03-01 Ampco Pumps Company Positive displacement pump with improved sealing arrangement and related method of making
CN203130488U (zh) * 2012-12-25 2013-08-14 辽宁恒星泵业有限公司 一种凸轮转子泵
US20140199162A1 (en) * 2013-01-11 2014-07-17 Viking Pump, Inc. Positive Displacement Pump Including Detectable Composite Non-Metallic Components
US9062676B2 (en) * 2013-08-28 2015-06-23 Ampco Pumps Company Positive displacement pump with improved sealing arrangement and related method of making
CN108194353B (zh) * 2018-02-02 2019-12-13 中山市天元真空设备技术有限公司 一种成对转子转轴独立的直排大气的多级罗茨干式真空泵
US20200032790A1 (en) * 2018-07-25 2020-01-30 Ampco Pumps Company Positive Displacement Pump With Shaft-Mounted Sleeve

Also Published As

Publication number Publication date
EP3889431B1 (en) 2023-12-20
CN115298439B (zh) 2023-10-13
WO2021198060A1 (en) 2021-10-07
EP3889431A1 (en) 2021-10-06
CN115298439A (zh) 2022-11-04
US20230138342A1 (en) 2023-05-04

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