ATE131254T1 - SCREW SPINDLE PUMP. - Google Patents

SCREW SPINDLE PUMP.

Info

Publication number
ATE131254T1
ATE131254T1 AT90110216T AT90110216T ATE131254T1 AT E131254 T1 ATE131254 T1 AT E131254T1 AT 90110216 T AT90110216 T AT 90110216T AT 90110216 T AT90110216 T AT 90110216T AT E131254 T1 ATE131254 T1 AT E131254T1
Authority
AT
Austria
Prior art keywords
bearing
journal
pump
spindle
recess
Prior art date
Application number
AT90110216T
Other languages
German (de)
Inventor
Wolfgang Dipl-Ing Fh Leiber
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
Application granted granted Critical
Publication of ATE131254T1 publication Critical patent/ATE131254T1/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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0042—Systems for the equilibration of forces acting on the machines or pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A screw rotor pump (10) with drive spindle (18) arranged in a pump housing (12) and at least one sealed spindle (16), which on the intake side is/are arranged by means of a journal-like end (17) in a bearing recess (44) of a pump section, especially a pump cover (20), is to be improved in that on the internally supported screw rotor pump (10) bearing elements (46) are arranged in order to take up the axial thrust of the sealing spindle(s) (16), on which bearing elements the journal-like spindle end and/or a bearing journal (46) are arranged, which receive the journal-like spindle end and/or a bearing journal (17) and are connected to the pressure chamber (15) of the screw rotor pump. In addition the bearing recess (44) for the bearing journal (17) in a bearing bush (46) is proposed as bearing element and this rests in a recess (58a) of the pump cover (20). <IMAGE>
AT90110216T 1989-06-26 1990-05-30 SCREW SPINDLE PUMP. ATE131254T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3920901A DE3920901C2 (en) 1989-06-26 1989-06-26 Screw pump

Publications (1)

Publication Number Publication Date
ATE131254T1 true ATE131254T1 (en) 1995-12-15

Family

ID=6383607

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90110216T ATE131254T1 (en) 1989-06-26 1990-05-30 SCREW SPINDLE PUMP.

Country Status (3)

Country Link
EP (1) EP0405161B1 (en)
AT (1) ATE131254T1 (en)
DE (2) DE3920901C2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4123384C2 (en) * 1991-07-15 1999-08-12 Leistritz Ag Fuel delivery unit
DE19728744C1 (en) * 1997-07-04 1998-11-26 Allweiler Ag Screw pump
SE521443C2 (en) * 1999-11-11 2003-11-04 Svenska Rotor Maskiner Ab Screw rotor machine with means for axially actuating at least one of the rotors
ITBO20000119A1 (en) * 2000-03-08 2001-09-10 Mario Antonio Morselli VOLUMETRIC ROTARY PUMP WITH HELICAL ROTORS.
DE102009015685A1 (en) 2009-03-31 2010-10-07 Robert Bosch Gmbh Screw pumps arrangement
CN104196718B (en) * 2014-07-29 2016-10-12 苏州海而仕信息科技有限公司 Screw immersible pump
CN104179678B (en) * 2014-07-29 2017-02-08 苏州海而仕信息科技有限公司 Screw submersible pump
DE102021101111A1 (en) * 2021-01-20 2022-07-21 Netzsch Pumpen & Systeme Gmbh screw pump
DE102021113724A1 (en) 2021-05-27 2022-12-01 Jung & Co. Gerätebau GmbH Single-flow screw pump

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE813341C (en) * 1947-12-10 1951-09-10 Imo Industri Ab Screw pump
CH268943A (en) * 1947-12-10 1950-06-15 Imo Industri Ab Screw pump.
US2592476A (en) * 1948-02-07 1952-04-08 Laval Steam Turbine Co Series arrangement of positive and nonpositive screw pumps
US2924181A (en) * 1957-05-13 1960-02-09 Laval Steam Turbine Co Screw pumps or motors
DE1192055B (en) * 1957-05-13 1965-04-29 Imo Industri Ab Screw pump or motor
NL148380B (en) * 1965-03-03 1976-01-15 Imo Industri Ab HYDRAULIC SCREW MOTOR WITH FREELY MOVABLE SCREWS IN AXIAL DIRECTION.
DE2828348A1 (en) * 1978-06-28 1980-01-10 Allweiler Ag SCREW MACHINE
DE3800336A1 (en) * 1988-01-08 1989-07-27 Leistritz Ag SEAL-FREE PUMP

Also Published As

Publication number Publication date
DE3920901C2 (en) 1995-02-16
EP0405161B1 (en) 1995-12-06
EP0405161A1 (en) 1991-01-02
DE3920901A1 (en) 1991-01-03
DE59009942D1 (en) 1996-01-18

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee