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IT1180991B - Dispositivo di tenuta interposto tra girante e corpo pompa - Google Patents

Dispositivo di tenuta interposto tra girante e corpo pompa

Info

Publication number
IT1180991B
IT1180991B IT41591/84A IT4159184A IT1180991B IT 1180991 B IT1180991 B IT 1180991B IT 41591/84 A IT41591/84 A IT 41591/84A IT 4159184 A IT4159184 A IT 4159184A IT 1180991 B IT1180991 B IT 1180991B
Authority
IT
Italy
Prior art keywords
impeller
pump body
sealing device
device interposed
seat
Prior art date
Application number
IT41591/84A
Other languages
English (en)
Other versions
IT8441591A1 (it
IT8441591A0 (it
Inventor
Primo Lovisetto
Original Assignee
Lowara Spa
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=11251672&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1180991(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lowara Spa filed Critical Lowara Spa
Priority to IT41591/84A priority Critical patent/IT1180991B/it
Publication of IT8441591A0 publication Critical patent/IT8441591A0/it
Priority to AT85107012T priority patent/ATE41483T1/de
Priority to DE8585107012T priority patent/DE3568833D1/de
Priority to EP85107012A priority patent/EP0167837B2/en
Publication of IT8441591A1 publication Critical patent/IT8441591A1/it
Application granted granted Critical
Publication of IT1180991B publication Critical patent/IT1180991B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
    • F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Seal Device For Vehicle (AREA)
IT41591/84A 1984-06-07 1984-06-07 Dispositivo di tenuta interposto tra girante e corpo pompa IT1180991B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT41591/84A IT1180991B (it) 1984-06-07 1984-06-07 Dispositivo di tenuta interposto tra girante e corpo pompa
AT85107012T ATE41483T1 (de) 1984-06-07 1985-06-05 Dichtungsanlage zwischen einem pumpengehaeuse und einem pumpenrad.
DE8585107012T DE3568833D1 (en) 1984-06-07 1985-06-05 Seal device for interposition between a pump body and pump impeller
EP85107012A EP0167837B2 (en) 1984-06-07 1985-06-05 Seal device for interposition between a pump body and pump impeller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT41591/84A IT1180991B (it) 1984-06-07 1984-06-07 Dispositivo di tenuta interposto tra girante e corpo pompa

Publications (3)

Publication Number Publication Date
IT8441591A0 IT8441591A0 (it) 1984-06-07
IT8441591A1 IT8441591A1 (it) 1985-12-07
IT1180991B true IT1180991B (it) 1987-09-23

Family

ID=11251672

Family Applications (1)

Application Number Title Priority Date Filing Date
IT41591/84A IT1180991B (it) 1984-06-07 1984-06-07 Dispositivo di tenuta interposto tra girante e corpo pompa

Country Status (4)

Country Link
EP (1) EP0167837B2 (it)
AT (1) ATE41483T1 (it)
DE (1) DE3568833D1 (it)
IT (1) IT1180991B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT209616Z2 (it) * 1986-08-08 1988-10-24 Lowara Spa Anello di tenuta idraulica sulla bocca della girante in pompe mono e pluristadio.
US5295786A (en) * 1990-12-27 1994-03-22 Ebara Corporation Liner ring for a pump
DE4302492A1 (de) * 1993-01-29 1994-08-04 Klein Schanzlin & Becker Ag Spaltringdichtung
SE502552C2 (sv) * 1994-03-16 1995-11-13 Flygt Ab Itt Tätningsanordning
US5577886A (en) * 1995-02-15 1996-11-26 Itt Flygt Ab Sealing device for pump impeller
AU5411898A (en) * 1997-09-30 1999-04-23 Ebara Corporation Centrifugal pump and sealing mechanism thereof
US6439843B1 (en) * 2000-11-16 2002-08-27 Ametek, Inc. Motor/fan assembly having a radial diffuser bypass
JP4532142B2 (ja) * 2003-12-22 2010-08-25 株式会社荏原製作所 流体機械のシール機構又は遠心ポンプ
CN102619778B (zh) * 2012-04-24 2014-07-30 浙江格凌实业有限公司 一种旋涡式气泵的密封圈张紧机构
FR3058758B1 (fr) * 2016-11-14 2020-07-17 Safran Aircraft Engines Turbomachine, telle par exemple qu'un turboreacteur ou un turbopropulseur d'avion
LU500237B1 (de) * 2021-06-02 2022-12-02 Wilo Se Kreiselpumpe mit verbesserter Saughalsdichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1369508A (en) * 1920-01-03 1921-02-22 Edwin M R Weiner Centrifugal pump
US1783427A (en) * 1924-08-11 1930-12-02 Irving C Jennings Sealing device for centrifugal pumps
US2162486A (en) * 1937-06-21 1939-06-13 Letourneau Inc Sealing means for centrifugal pump impellers
GB748827A (en) * 1953-04-24 1956-05-09 Masch Ebau Ag Balcke Improvements relating to seals between the rotary and stationary parts of rotary machines
US3578874A (en) * 1968-09-26 1971-05-18 Dominion Eng Works Ltd Removable runner seal
US3741679A (en) * 1971-09-17 1973-06-26 Blue Co John Centrifugal pump
US3779667A (en) * 1972-02-24 1973-12-18 Baker Hydro Inc Semi-seal device

Also Published As

Publication number Publication date
EP0167837B2 (en) 1996-06-05
EP0167837A1 (en) 1986-01-15
IT8441591A1 (it) 1985-12-07
IT8441591A0 (it) 1984-06-07
ATE41483T1 (de) 1989-04-15
EP0167837B1 (en) 1989-03-15
DE3568833D1 (en) 1989-04-20

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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: 19970625