IT1109607B - SPIRAL PUMP FOR LIQUIDS - Google Patents

SPIRAL PUMP FOR LIQUIDS

Info

Publication number
IT1109607B
IT1109607B IT68401/78A IT6840178A IT1109607B IT 1109607 B IT1109607 B IT 1109607B IT 68401/78 A IT68401/78 A IT 68401/78A IT 6840178 A IT6840178 A IT 6840178A IT 1109607 B IT1109607 B IT 1109607B
Authority
IT
Italy
Prior art keywords
liquids
spiral pump
spiral
pump
Prior art date
Application number
IT68401/78A
Other languages
Italian (it)
Other versions
IT7868401A0 (en
Original Assignee
Little Inc 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
Priority claimed from US05/807,414 external-priority patent/US4160629A/en
Priority claimed from US05/807,413 external-priority patent/US4129405A/en
Application filed by Little Inc A filed Critical Little Inc A
Publication of IT7868401A0 publication Critical patent/IT7868401A0/en
Application granted granted Critical
Publication of IT1109607B publication Critical patent/IT1109607B/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
    • F04C2/02—Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C2/025—Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents the moving and the stationary member having co-operating elements in spiral form

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Electromagnetic Pumps, Or The Like (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT68401/78A 1977-06-17 1978-06-16 SPIRAL PUMP FOR LIQUIDS IT1109607B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/807,414 US4160629A (en) 1977-06-17 1977-06-17 Liquid immersible scroll pump
US05/807,413 US4129405A (en) 1977-06-17 1977-06-17 Scroll-type liquid pump with transfer passages in end plate

Publications (2)

Publication Number Publication Date
IT7868401A0 IT7868401A0 (en) 1978-06-16
IT1109607B true IT1109607B (en) 1985-12-23

Family

ID=27123012

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68401/78A IT1109607B (en) 1977-06-17 1978-06-16 SPIRAL PUMP FOR LIQUIDS

Country Status (6)

Country Link
JP (1) JPS547604A (en)
DE (2) DE2826071A1 (en)
FR (1) FR2394698B1 (en)
GB (1) GB1593446A (en)
IT (1) IT1109607B (en)
SE (1) SE438530B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259043A (en) * 1977-06-17 1981-03-31 Arthur D. Little, Inc. Thrust bearing/coupling component for orbiting scroll-type machinery and scroll-type machinery incorporating the same
JPS5718490A (en) * 1980-07-09 1982-01-30 Hitachi Ltd Enclosed scroll compressor
JPS57131895A (en) * 1981-12-21 1982-08-14 Mitsubishi Electric Corp Scroll compressor
US4431380A (en) * 1982-06-07 1984-02-14 The Trane Company Scroll compressor with controlled suction unloading using coupling means
JPS5960087A (en) * 1982-09-30 1984-04-05 Shimadzu Corp displacement fluid machine
JPS60111080A (en) * 1983-11-19 1985-06-17 Sanden Corp Scroll type compressor
AU3892485A (en) * 1984-02-21 1985-08-29 Mitsubishi Jukogyo Kabushiki Kaisha Scroll-type compressor
JPS6196023A (en) * 1984-10-15 1986-05-14 Toshiba Ceramics Co Ltd Structure for holding ceramic shaft
GB2167133B (en) * 1984-11-19 1988-04-07 Sanden Corp Scroll-type rotary fluid-machine
JPS6375379A (en) * 1987-04-17 1988-04-05 Hitachi Ltd Closed type scroll fluid device
US4927339A (en) * 1988-10-14 1990-05-22 American Standard Inc. Rotating scroll apparatus with axially biased scroll members
JP3132928B2 (en) * 1992-10-30 2001-02-05 三菱重工業株式会社 Scroll compressor
JP2548517B2 (en) * 1994-02-21 1996-10-30 株式会社日立製作所 Closed scroll fluid device
JPH08319963A (en) * 1995-03-22 1996-12-03 Mitsubishi Electric Corp Scroll compressor
GB2325705B (en) * 1995-03-22 1999-04-21 Mitsubishi Electric Corp Scroll compressor
US7083397B1 (en) 1998-06-04 2006-08-01 Scroll Technologies Scroll compressor with motor control for capacity modulation
DE20307911U1 (en) 2003-05-19 2003-09-04 ILMVAC GmbH, 98693 Ilmenau scroll pump
US7467933B2 (en) * 2006-01-26 2008-12-23 Scroll Laboratories, Inc. Scroll-type fluid displacement apparatus with fully compliant floating scrolls
DE202007019039U1 (en) 2007-09-12 2010-06-24 Fischer, Francesco Peter, Dipl.-Ing. Device for pumping a medium according to the Orbitalverdrängerprinzip
JP6617070B2 (en) * 2016-04-20 2019-12-04 株式会社Ｓｏｋｅｎ Scroll type liquid pump
GB2583371A (en) 2019-04-26 2020-10-28 Edwards Ltd Adjustable scroll pump

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1935621A1 (en) 1968-07-22 1970-01-29 Leybold Heraeus Gmbh & Co Kg Displacement pump
US3884599A (en) 1973-06-11 1975-05-20 Little Inc A Scroll-type positive fluid displacement apparatus
US3924977A (en) * 1973-06-11 1975-12-09 Little Inc A Positive fluid displacement apparatus
US3994635A (en) * 1975-04-21 1976-11-30 Arthur D. Little, Inc. Scroll member and scroll-type apparatus incorporating the same

Also Published As

Publication number Publication date
SE7806198L (en) 1978-12-18
GB1593446A (en) 1981-07-15
FR2394698A1 (en) 1979-01-12
JPS547604A (en) 1979-01-20
IT7868401A0 (en) 1978-06-16
DE2858779C2 (en) 1993-08-05
DE2826071A1 (en) 1979-01-04
JPS6114359B2 (en) 1986-04-18
SE438530B (en) 1985-04-22
FR2394698B1 (en) 1985-04-19
DE2826071C2 (en) 1989-05-24

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950531