EP2765311A3 - Screw spindle pump - Google Patents

Screw spindle pump Download PDF

Info

Publication number
EP2765311A3
EP2765311A3 EP14154060.9A EP14154060A EP2765311A3 EP 2765311 A3 EP2765311 A3 EP 2765311A3 EP 14154060 A EP14154060 A EP 14154060A EP 2765311 A3 EP2765311 A3 EP 2765311A3
Authority
EP
European Patent Office
Prior art keywords
pump housing
spindle
screw spindle
pump
spindle pump
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.)
Withdrawn
Application number
EP14154060.9A
Other languages
German (de)
French (fr)
Other versions
EP2765311A2 (en
Inventor
Frank Holz
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.)
Leistritz Pumpen GmbH
Original Assignee
Leistritz Pumpen GmbH
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 Leistritz Pumpen GmbH filed Critical Leistritz Pumpen GmbH
Publication of EP2765311A2 publication Critical patent/EP2765311A2/en
Publication of EP2765311A3 publication Critical patent/EP2765311A3/en
Withdrawn legal-status Critical Current

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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/086—Carter
    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type

Abstract

Schraubenspindelpumpe (1), mit einem eine Ansaugöffnung und eine Auslassöffnung aufweisenden Pumpengehäuse (7, 27), in dem ein Spindelpaket (2) mit einer Antriebsspindel (3) und wenigstens einer gegenläufigen Laufspindel (4, 5) aufgenommen ist, wobei das Spindelpaket (2) an seinem druckseitigen Ende (14) in einen Hohlraum (17, 29) des Pumpengehäuses (7) mündet, der sich in Längsrichtung des Pumpengehäuses (7, 27) bis zu der an demselben Ende des Pumpengehäuses (7, 27) wie die Ansaugöffnung (8) angeordneten radialen Auslassöffnung (10) erstreckt.

Figure imgaf001
A screw pump (1), having a pump housing (7, 27) having an intake opening and an outlet opening, in which a spindle package (2) having a drive spindle (3) and at least one counter-rotating running spindle (4, 5) is accommodated, the spindle package ( 2) at its pressure-side end (14) into a cavity (17, 29) of the pump housing (7) opens, extending in the longitudinal direction of the pump housing (7, 27) to that at the same end of the pump housing (7, 27) as the Suction opening (8) arranged radial outlet opening (10) extends.
Figure imgaf001
EP14154060.9A 2013-02-06 2014-02-06 Screw spindle pump Withdrawn EP2765311A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013101164.0A DE102013101164B4 (en) 2013-02-06 2013-02-06 Screw Pump

Publications (2)

Publication Number Publication Date
EP2765311A2 EP2765311A2 (en) 2014-08-13
EP2765311A3 true EP2765311A3 (en) 2017-10-18

Family

ID=50070374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14154060.9A Withdrawn EP2765311A3 (en) 2013-02-06 2014-02-06 Screw spindle pump

Country Status (2)

Country Link
EP (1) EP2765311A3 (en)
DE (1) DE102013101164B4 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017112743B3 (en) 2017-06-09 2018-10-25 Leistritz Pumpen Gmbh Modular system for producing a screw pump
DE102019118086A1 (en) 2019-07-04 2021-01-07 Nidec Gpm Gmbh Integrated screw spindle coolant pump
DE102019128602B3 (en) * 2019-10-23 2021-02-11 Leistritz Pumpen Gmbh Screw pump
DE102021133173A1 (en) 2021-12-15 2023-06-15 Audi Aktiengesellschaft Screw pump for conveying a fluid and fluid circuit with such a screw pump

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB112104A (en) * 1917-07-05 1917-12-27 Edward Nuebling Improvements in or relating to Rotary Meters, Pumps and Motors.
CH301117A (en) * 1950-09-21 1954-08-31 Kapp Bernhard Screw pump.
CH469198A (en) * 1964-03-20 1969-02-28 Svenska Rotor Maskiner Ab Screw compressor
DE1653930A1 (en) * 1967-02-07 1971-10-07 Warren Pump Inc Submersible pump
GB2227057A (en) * 1988-12-22 1990-07-18 Multiphase Systems Plc Screw pumps
CN2644710Y (en) * 2003-07-16 2004-09-29 天津泵业机械集团有限公司 Horizontal type high pressure high volume three-screw pump

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH390690A (en) * 1959-02-23 1965-04-15 Imo Industri Ab Screw pump
GB900873A (en) * 1961-04-19 1962-07-11 Mono Pumps Ltd Pump incorporating pressure relief valve
JPS62218682A (en) * 1986-03-19 1987-09-26 Hitachi Ltd Screw vacuum pump
DE20007099U1 (en) * 1999-05-06 2000-09-28 Wernert & Co Ohg H Centrifugal pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB112104A (en) * 1917-07-05 1917-12-27 Edward Nuebling Improvements in or relating to Rotary Meters, Pumps and Motors.
CH301117A (en) * 1950-09-21 1954-08-31 Kapp Bernhard Screw pump.
CH469198A (en) * 1964-03-20 1969-02-28 Svenska Rotor Maskiner Ab Screw compressor
DE1653930A1 (en) * 1967-02-07 1971-10-07 Warren Pump Inc Submersible pump
GB2227057A (en) * 1988-12-22 1990-07-18 Multiphase Systems Plc Screw pumps
CN2644710Y (en) * 2003-07-16 2004-09-29 天津泵业机械集团有限公司 Horizontal type high pressure high volume three-screw pump

Also Published As

Publication number Publication date
EP2765311A2 (en) 2014-08-13
DE102013101164A1 (en) 2014-08-21
DE102013101164B4 (en) 2016-03-24

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