ES363388A1 - Improvements in or relating to centrifugal pumps - Google Patents

Improvements in or relating to centrifugal pumps

Info

Publication number
ES363388A1
ES363388A1 ES363388A ES363388A ES363388A1 ES 363388 A1 ES363388 A1 ES 363388A1 ES 363388 A ES363388 A ES 363388A ES 363388 A ES363388 A ES 363388A ES 363388 A1 ES363388 A1 ES 363388A1
Authority
ES
Spain
Prior art keywords
impeller
chamber
casing
space
pressure
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES363388A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Allweiler GmbH
Original Assignee
Allweiler AG
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 Allweiler AG filed Critical Allweiler AG
Publication of ES363388A1 publication Critical patent/ES363388A1/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/04Shafts or bearings, or assemblies thereof
    • F04D29/041Axial thrust balancing
    • F04D29/0416Axial thrust balancing balancing pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A centrifugal pump comprises an impeller 4 mounted in a casing 1 so as to provide a suction chamber 18 on one side of the impeller and a pressure chamber 19 around the impeller, a casing cover 6 on the side remote from the suction chamber providing an enclosed space 17 between itself and the impeller, an annular gap seal 12 between the chambers 18, 19 provided by projections 10, 11, an annular gap seal 15 of larger diameter between the chamber 19 and the space 17 provided by projections 13, 14, and at least one throttle bore 16 through the impeller to provide a pressure drop, dependent on the dimensions of the throttle bore, between the space 17 and the chamber 18 to compensate for axial thrust on the impeller due to pressure in the chamber 19. A selected size of impeller 4 and casing 1 may be chosen from a range of sizes and attached to the cover 6, which remains unaltered.
ES363388A 1968-03-26 1969-02-07 Improvements in or relating to centrifugal pumps Expired ES363388A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1703049A DE1703049B2 (en) 1968-03-26 1968-03-26 Kit of centrifugal pumps

Publications (1)

Publication Number Publication Date
ES363388A1 true ES363388A1 (en) 1970-12-16

Family

ID=5688265

Family Applications (1)

Application Number Title Priority Date Filing Date
ES363388A Expired ES363388A1 (en) 1968-03-26 1969-02-07 Improvements in or relating to centrifugal pumps

Country Status (9)

Country Link
JP (1) JPS5312681B1 (en)
BE (1) BE728689A (en)
CH (1) CH493741A (en)
DE (1) DE1703049B2 (en)
ES (1) ES363388A1 (en)
FR (1) FR2004708A1 (en)
GB (1) GB1250062A (en)
LU (1) LU57937A1 (en)
NL (1) NL164365C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2849675A1 (en) * 1978-11-16 1980-06-12 Sueddeutsche Kuehler Behr COOLING SYSTEM FOR COMBUSTION ENGINES, ESPECIALLY IN VEHICLES
JPH01236307A (en) * 1987-05-28 1989-09-21 Orient Watch Co Ltd Method and device for controlling positioning xy table
IT225643Y1 (en) * 1991-04-23 1997-01-13 Zanussi Elettrodomestici CENTRIFUGAL PUMP IN PARTICULAR FOR DISHWASHER
DE102006011613A1 (en) * 2006-03-14 2007-09-20 Ksb Aktiengesellschaft Centrifugal pump with axial thrust balancing device
CN101113741B (en) * 2006-07-26 2011-03-16 上海新沪电机厂有限公司 Automatic balance device for shielding force at direction of pump spindle
HUE031960T2 (en) * 2011-07-20 2017-09-28 Weir Minerals Australia Ltd Improvements to pumps and components therefor
DE102017211940A1 (en) * 2017-07-12 2019-01-17 Bayerische Motoren Werke Aktiengesellschaft Fuel cell system for a motor vehicle and turbomachine for a fuel cell system

Also Published As

Publication number Publication date
LU57937A1 (en) 1969-05-22
BE728689A (en) 1969-08-01
NL164365B (en) 1980-07-15
CH493741A (en) 1970-07-15
FR2004708A1 (en) 1969-11-28
DE1703049B2 (en) 1974-09-26
JPS5312681B1 (en) 1978-05-02
NL164365C (en) 1980-12-15
DE1703049A1 (en) 1972-04-06
GB1250062A (en) 1971-10-20
NL6904631A (en) 1969-09-30

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