DK143275A - - Google Patents

Info

Publication number
DK143275A
DK143275A DK143275A DK143275A DK143275A DK 143275 A DK143275 A DK 143275A DK 143275 A DK143275 A DK 143275A DK 143275 A DK143275 A DK 143275A DK 143275 A DK143275 A DK 143275A
Authority
DK
Denmark
Application number
DK143275A
Other languages
Danish (da)
Other versions
DK141537C (pt
DK141537B (da
Inventor
I Franzen
Original Assignee
Itt Ind Inc
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 Itt Ind Inc filed Critical Itt Ind Inc
Publication of DK143275A publication Critical patent/DK143275A/da
Publication of DK141537B publication Critical patent/DK141537B/da
Application granted granted Critical
Publication of DK141537C publication Critical patent/DK141537C/da

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
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0027—Varying behaviour or the very pump
    • F04D15/0033—By-passing by increasing clearance between impeller and its casing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
    • F04D15/0022—Control, e.g. regulation, of pumps, pumping installations or systems by using valves throttling valves or valves varying the pump inlet opening or the outlet opening
    • 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
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4273—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps suction eyes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/60—Fluid transfer
    • F05D2260/604—Vortex non-clogging type pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
DK143275AA 1974-04-09 1975-04-04 Rotationspumpe af hvirvelhjulstype. DK141537B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7404751A SE374415B (pt) 1974-04-09 1974-04-09
SE7404751 1974-04-09

Publications (3)

Publication Number Publication Date
DK143275A true DK143275A (pt) 1975-10-10
DK141537B DK141537B (da) 1980-04-14
DK141537C DK141537C (pt) 1980-09-29

Family

ID=20320775

Family Applications (1)

Application Number Title Priority Date Filing Date
DK143275AA DK141537B (da) 1974-04-09 1975-04-04 Rotationspumpe af hvirvelhjulstype.

Country Status (13)

Country Link
US (1) US3972643A (pt)
JP (1) JPS5434161B2 (pt)
CA (1) CA1024823A (pt)
DE (1) DE2514715C3 (pt)
DK (1) DK141537B (pt)
ES (1) ES436411A1 (pt)
FI (1) FI58004C (pt)
FR (1) FR2274806A1 (pt)
GB (1) GB1454270A (pt)
IT (1) IT1034829B (pt)
NL (1) NL175939C (pt)
NO (1) NO138417C (pt)
SE (1) SE374415B (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5249930A (en) * 1992-04-20 1993-10-05 Pacquesi John J Sump pump strainer and platform assembly
EP2497956A1 (de) 2011-03-08 2012-09-12 Egger Pumps Technology AG Freistrompumpe

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR919053A (fr) * 1945-12-17 1947-02-26 Pompe
US2701526A (en) * 1949-07-20 1955-02-08 Rotkin Israel Automatic air flow regulator
US3042291A (en) * 1959-06-01 1962-07-03 Garrett Corp Variable head compressor
CH390451A (de) * 1962-01-25 1965-04-15 Sulzer Ag Vorrichtung zur Verschiebung der Pumpgrenze von Verdichtern
DE1296907B (de) * 1964-05-15 1969-06-04 Flygts Pumpar Ab Doppelgleitringdichtung, insbesondere zwischen einer Kreiselpumpe und ihrem Antriebsmotor bei Unterwasserpumpen
US3490685A (en) * 1967-05-22 1970-01-20 Luwa Ltd Self-cleaning fan
SE333506B (pt) * 1967-12-11 1971-03-15 Svenska Precisionsverktyg Ab
US3664759A (en) * 1970-09-16 1972-05-23 Worthington Corp Self-adjusting backflow preventor for centrifugal pumps

Also Published As

Publication number Publication date
NO750930L (pt) 1975-10-10
NO138417C (no) 1978-08-30
CA1024823A (en) 1978-01-24
NL175939C (nl) 1985-01-16
DK141537C (pt) 1980-09-29
SE374415B (pt) 1975-03-03
US3972643A (en) 1976-08-03
JPS5434161B2 (pt) 1979-10-25
FI58004B (fi) 1980-07-31
FR2274806A1 (fr) 1976-01-09
IT1034829B (it) 1979-10-10
DE2514715C3 (de) 1978-10-12
FR2274806B1 (pt) 1979-05-11
NO138417B (no) 1978-05-22
DE2514715B2 (de) 1978-02-23
DK141537B (da) 1980-04-14
JPS50136702A (pt) 1975-10-30
FI751006A (pt) 1975-10-10
NL175939B (nl) 1984-08-16
GB1454270A (en) 1976-11-03
FI58004C (fi) 1980-11-10
NL7503523A (nl) 1975-10-13
ES436411A1 (es) 1977-01-01
DE2514715A1 (de) 1975-10-23

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Legal Events

Date Code Title Description
PBP Patent lapsed
CTFF Application for supplementary protection certificate (spc) filed

Free format text: CA 1993 00019, 930601

CTFF Application for supplementary protection certificate (spc) filed

Free format text: CA 1993 00019, 930601

PUP Patent expired