IT1225597B - SELF-PRIMING EJECTOR PUMP WITH AXIAL DIRECTIONAL CROWN. - Google Patents

SELF-PRIMING EJECTOR PUMP WITH AXIAL DIRECTIONAL CROWN.

Info

Publication number
IT1225597B
IT1225597B IT8885644A IT8564488A IT1225597B IT 1225597 B IT1225597 B IT 1225597B IT 8885644 A IT8885644 A IT 8885644A IT 8564488 A IT8564488 A IT 8564488A IT 1225597 B IT1225597 B IT 1225597B
Authority
IT
Italy
Prior art keywords
crown
self
ejector pump
axial directional
priming ejector
Prior art date
Application number
IT8885644A
Other languages
Italian (it)
Other versions
IT8885644A0 (en
Inventor
Carlo Serafin
Original Assignee
Calpeda A 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=11329488&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1225597(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Calpeda A Spa filed Critical Calpeda A Spa
Priority to IT8885644A priority Critical patent/IT1225597B/en
Publication of IT8885644A0 publication Critical patent/IT8885644A0/en
Priority to ES198989117553T priority patent/ES2031329T3/en
Priority to EP89117553A priority patent/EP0361328B1/en
Priority to DE8989117553T priority patent/DE68901122D1/en
Application granted granted Critical
Publication of IT1225597B publication Critical patent/IT1225597B/en

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
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
    • F04D9/06—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock of jet type
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
IT8885644A 1988-09-26 1988-09-26 SELF-PRIMING EJECTOR PUMP WITH AXIAL DIRECTIONAL CROWN. IT1225597B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT8885644A IT1225597B (en) 1988-09-26 1988-09-26 SELF-PRIMING EJECTOR PUMP WITH AXIAL DIRECTIONAL CROWN.
ES198989117553T ES2031329T3 (en) 1988-09-26 1989-09-22 SELF-PRIMING JET PUMP WITH AXIAL DIFFUSER.
EP89117553A EP0361328B1 (en) 1988-09-26 1989-09-22 Self-priming jet pump with an axial diffuser
DE8989117553T DE68901122D1 (en) 1988-09-26 1989-09-22 SELF-PRIMING JET PUMP WITH AXIAL DIFFUSER.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8885644A IT1225597B (en) 1988-09-26 1988-09-26 SELF-PRIMING EJECTOR PUMP WITH AXIAL DIRECTIONAL CROWN.

Publications (2)

Publication Number Publication Date
IT8885644A0 IT8885644A0 (en) 1988-09-26
IT1225597B true IT1225597B (en) 1990-11-22

Family

ID=11329488

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8885644A IT1225597B (en) 1988-09-26 1988-09-26 SELF-PRIMING EJECTOR PUMP WITH AXIAL DIRECTIONAL CROWN.

Country Status (4)

Country Link
EP (1) EP0361328B1 (en)
DE (1) DE68901122D1 (en)
ES (1) ES2031329T3 (en)
IT (1) IT1225597B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1234116B (en) * 1989-06-07 1992-04-29 Novax S R L SELF-PRIMING CENTRIFUGAL PUMP.
IT1243113B (en) 1990-06-08 1994-05-24 Calpeda A Spa PERIPHERAL LONGITUDINAL DIFFUSER FOR SELF-PRIMING CENTRIFUGAL SINGLE IMPELLER PUMP
FR2696793B1 (en) * 1992-10-13 1995-01-06 Salmson Pompes Axial discharge pump.
IT1287367B1 (en) 1996-11-27 1998-08-04 Calpeda A Spa DIFFUSER AND CONVEYOR DEVICE FOR CENTRIFUGAL SELF-PRIMING SINGLE IMPELLER PUMP.
ITVI980028A1 (en) 1998-02-13 1999-08-13 Calpeda A Spa SELF-PRIMING EJECTOR PUMP WITH FLOW CONTROL DEVICE
IT1315546B1 (en) * 2000-11-14 2003-02-18 Calpeda A Spa DRIVE WHEEL FOR CENTRIFUGAL PUMPS
ATE319012T1 (en) * 2003-08-29 2006-03-15 Pedrollo Spa SELF-PRIMING CENTRIFUGAL PUMP
ITPD20070414A1 (en) * 2007-12-19 2009-06-20 Ln 2 Srl Socio Unico CENTRIFUGAL FAN
ES2460369B1 (en) * 2012-11-12 2015-03-02 Coprecitec Sl Fluid circulation pump adapted for an appliance
CN108252919A (en) * 2018-03-19 2018-07-06 浙江大元泵业股份有限公司 A kind of jet pump and its guide vane
CN111203330A (en) * 2018-11-28 2020-05-29 陈久斌 Scroll machine
CN114109911A (en) * 2021-12-25 2022-03-01 浙江日井泵业股份有限公司 Pump body capable of effectively reducing noise and self-priming pump

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE906894C (en) * 1941-10-16 1956-08-09 Siemen & Hinsch Gmbh Idler for centrifugal pumps
US2941474A (en) * 1956-08-20 1960-06-21 Fairbanks Morse & Co Self-priming pumping apparatus
US3730641A (en) * 1972-03-10 1973-05-01 Flint & Walling Inc Centrifugal pumps
DE3718273C2 (en) * 1986-09-01 1994-12-15 Apollowerk Goesnitz Gmbh Self-priming horizontal radial centrifugal pump

Also Published As

Publication number Publication date
ES2031329T3 (en) 1992-12-01
DE68901122D1 (en) 1992-05-07
EP0361328B1 (en) 1992-04-01
EP0361328A1 (en) 1990-04-04
IT8885644A0 (en) 1988-09-26

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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: 19980915