DE3701586C2 - - Google Patents

Info

Publication number
DE3701586C2
DE3701586C2 DE19873701586 DE3701586A DE3701586C2 DE 3701586 C2 DE3701586 C2 DE 3701586C2 DE 19873701586 DE19873701586 DE 19873701586 DE 3701586 A DE3701586 A DE 3701586A DE 3701586 C2 DE3701586 C2 DE 3701586C2
Authority
DE
Germany
Prior art keywords
rotor
housing
pump
electric motor
central spindle
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
DE19873701586
Other languages
German (de)
English (en)
Other versions
DE3701586A1 (de
Inventor
Werner Dipl.-Ing. Dr. 8508 Wendelstein De Moser
Norbert Dipl.-Ing. 8806 Neuendettelsau De Henkelmann
Sven Cresskill N.J. Us Olson
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 AG
Original Assignee
Leistritz 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 Leistritz AG filed Critical Leistritz AG
Priority to DE19873701586 priority Critical patent/DE3701586A1/de
Publication of DE3701586A1 publication Critical patent/DE3701586A1/de
Application granted granted Critical
Publication of DE3701586C2 publication Critical patent/DE3701586C2/de
Granted 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/008—Prime movers
    • 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
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/008—Enclosed motor pump units
    • 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
    • F04C2/165—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 having more than two rotary pistons with parallel axes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
DE19873701586 1987-01-21 1987-01-21 Dichtungsfreie pumpe Granted DE3701586A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873701586 DE3701586A1 (de) 1987-01-21 1987-01-21 Dichtungsfreie pumpe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873701586 DE3701586A1 (de) 1987-01-21 1987-01-21 Dichtungsfreie pumpe

Publications (2)

Publication Number Publication Date
DE3701586A1 DE3701586A1 (de) 1988-08-04
DE3701586C2 true DE3701586C2 (enrdf_load_stackoverflow) 1988-11-10

Family

ID=6319186

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873701586 Granted DE3701586A1 (de) 1987-01-21 1987-01-21 Dichtungsfreie pumpe

Country Status (1)

Country Link
DE (1) DE3701586A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3800336A1 (de) * 1988-01-08 1989-07-27 Leistritz Ag Dichtungsfreie pumpe
US6499966B1 (en) 1998-08-06 2002-12-31 Automative Motion Technology, Ltd. Motor driven pump

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4017165C2 (de) * 1990-05-09 1995-06-01 Allweiler Ag Pumpe
US6434960B1 (en) 2001-07-02 2002-08-20 Carrier Corporation Variable speed drive chiller system
CN103758758B (zh) * 2014-01-17 2015-11-25 西安交通大学 一种交流伺服直驱型电液泵
EP3816419B1 (fr) * 2019-10-31 2025-07-16 Illinois Tool Works Inc. Pompe a vis et circuit de refroidissement d'un vehicule automobile comportant cette pompe a vis
DE102020008093A1 (de) 2020-07-15 2022-01-20 Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg Ölpumpe eines Kraftfahrzeugs
CN111927764B (zh) * 2020-09-10 2025-03-04 郑州煤机智能工作面科技有限公司 一种定轴单螺杆泵及包含该泵的采煤机摇臂

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2871793A (en) * 1956-06-29 1959-02-03 Robbins & Myers Electric motor and pump combination
US3263619A (en) * 1965-10-04 1966-08-02 Laval Turbine Motor-pump unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3800336A1 (de) * 1988-01-08 1989-07-27 Leistritz Ag Dichtungsfreie pumpe
US6499966B1 (en) 1998-08-06 2002-12-31 Automative Motion Technology, Ltd. Motor driven pump

Also Published As

Publication number Publication date
DE3701586A1 (de) 1988-08-04

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8330 Complete disclaimer