BRPI0912438A2 - pump rotor for a helical pump, method of reducing bypass flow in a helical pump and twin helical pump - Google Patents

pump rotor for a helical pump, method of reducing bypass flow in a helical pump and twin helical pump

Info

Publication number
BRPI0912438A2
BRPI0912438A2 BRPI0912438A BRPI0912438A BRPI0912438A2 BR PI0912438 A2 BRPI0912438 A2 BR PI0912438A2 BR PI0912438 A BRPI0912438 A BR PI0912438A BR PI0912438 A BRPI0912438 A BR PI0912438A BR PI0912438 A2 BRPI0912438 A2 BR PI0912438A2
Authority
BR
Brazil
Prior art keywords
pump
helical
helical pump
bypass flow
twin
Prior art date
Application number
BRPI0912438A
Other languages
Portuguese (pt)
Inventor
David Deloyd Anderson
Farshad Ghasipoor
Vasanth Srinivasa Kothnur
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of BRPI0912438A2 publication Critical patent/BRPI0912438A2/en

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
    • F04C15/0007—Radial sealings for working fluid
    • F04C15/0011—Radial sealings for working fluid of rigid material
    • 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
    • F04C2210/00—Fluid
    • F04C2210/24—Fluid mixed, e.g. two-phase fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)
BRPI0912438A 2008-08-14 2009-07-15 pump rotor for a helical pump, method of reducing bypass flow in a helical pump and twin helical pump BRPI0912438A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/191,324 US20100040499A1 (en) 2008-08-14 2008-08-14 Screw pump rotors and ring seals for screw pump rotors
PCT/US2009/050613 WO2010019337A1 (en) 2008-08-14 2009-07-15 Ring seals for screw pump rotors

Publications (1)

Publication Number Publication Date
BRPI0912438A2 true BRPI0912438A2 (en) 2016-01-05

Family

ID=41316654

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0912438A BRPI0912438A2 (en) 2008-08-14 2009-07-15 pump rotor for a helical pump, method of reducing bypass flow in a helical pump and twin helical pump

Country Status (5)

Country Link
US (1) US20100040499A1 (en)
EP (1) EP2324246A1 (en)
CN (1) CN102124227A (en)
BR (1) BRPI0912438A2 (en)
WO (1) WO2010019337A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080193309A1 (en) * 2007-02-09 2008-08-14 Vasanth Srinivasa Kothnur Screw pump rotor and method of reducing slip flow
US20110158841A1 (en) * 2009-12-28 2011-06-30 Sunny King Machinery Co., Ltd. Screw Pump with Anti-Turbulent Structure
DE202010012494U1 (en) * 2010-09-13 2011-12-15 Hugo Vogelsang Maschinenbau Gmbh Rotary pump and rotary piston
CN102220974B (en) * 2011-07-29 2016-06-08 四川省机械研究设计院 Bearing-free Quimby pump
CN103089649B (en) * 2012-10-30 2016-05-18 徐建涛 Roots-type both vapor compression machine rotor
US10006340B2 (en) * 2013-10-16 2018-06-26 John Malcolm Gray Supercharger
JP6723701B2 (en) * 2015-07-29 2020-07-15 川崎重工業株式会社 Biomass cake pressure supply device
CN107044412B (en) * 2017-03-28 2019-03-05 四川凯创机电设备有限公司 It is easily installed the screw rod of detection device in pumping
CN110725796B (en) * 2019-11-11 2021-08-13 浙江思科瑞真空技术有限公司 Screw pump with multi-section rotor structure

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE455967C (en) * 1924-04-07 1928-02-15 Carl Oscar Josef Montelius Pump or motor, especially for fluid gears
GB342791A (en) * 1929-10-12 1931-02-12 Frederick Charles Greenfield Improvements in and relating to rotary machines for the compression or propulsion of fluids
US2195886A (en) * 1936-12-11 1940-04-02 Reconstruction Finance Corp Rotary pump
DE855946C (en) * 1944-08-13 1952-11-17 Hoechst Ag Auger
US3282495A (en) * 1964-04-29 1966-11-01 Dresser Ind Sealing arrangement for screw-type compressors and similar devices
US3806287A (en) * 1970-11-19 1974-04-23 Lear Siegler Inc Shaft seal for rotating pumps
AU547490B2 (en) * 1980-05-31 1985-10-24 Sanden Corporation Scroll-type pump
JPS62126207A (en) * 1985-11-27 1987-06-08 Mitsubishi Electric Corp Scroll hydraulic machine
JPS63136283U (en) * 1987-02-27 1988-09-07
US5158304A (en) * 1990-01-23 1992-10-27 Inpro Companies, Inc. Captured rotor seal
US5348453A (en) * 1990-12-24 1994-09-20 James River Corporation Of Virginia Positive displacement screw pump having pressure feedback control
US5292138A (en) * 1992-09-21 1994-03-08 General Elecric Company Rotor to rotor split ring seal
US5779451A (en) * 1995-06-05 1998-07-14 Hatton; Gregory John Power efficient multi-stage twin screw pump
US5833438A (en) * 1995-07-31 1998-11-10 Coltec Industries Inc Variable displacement vane pump having cam seal with seal land
US5639211A (en) * 1995-11-30 1997-06-17 United Technology Corporation Brush seal for stator of a gas turbine engine case
JPH1061564A (en) * 1996-08-20 1998-03-03 Atsushi Imai Pump utilized spiral seal
US6049979A (en) * 1998-10-20 2000-04-18 General Electric Co. Methods for shielding a welding gas turbine repair of a damaged turbine rotor wheel dovetail
US6007121A (en) * 1998-12-02 1999-12-28 E. J. Brooks Company Rotatable seal
US6629816B2 (en) * 2001-08-16 2003-10-07 Honeywell International Inc. Non-contacting clearance seal for high misalignment applications
US20080193309A1 (en) * 2007-02-09 2008-08-14 Vasanth Srinivasa Kothnur Screw pump rotor and method of reducing slip flow

Also Published As

Publication number Publication date
WO2010019337A9 (en) 2010-09-10
EP2324246A1 (en) 2011-05-25
US20100040499A1 (en) 2010-02-18
CN102124227A (en) 2011-07-13
WO2010019337A1 (en) 2010-02-18

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired