DE3701586A1 - Dichtungsfreie pumpe - Google Patents

Dichtungsfreie pumpe

Info

Publication number
DE3701586A1
DE3701586A1 DE19873701586 DE3701586A DE3701586A1 DE 3701586 A1 DE3701586 A1 DE 3701586A1 DE 19873701586 DE19873701586 DE 19873701586 DE 3701586 A DE3701586 A DE 3701586A DE 3701586 A1 DE3701586 A1 DE 3701586A1
Authority
DE
Germany
Prior art keywords
seal
rotor
electric motor
pressure
pump according
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.)
Granted
Application number
DE19873701586
Other languages
German (de)
English (en)
Other versions
DE3701586C2 (fr
Inventor
Werner Dipl Ing Dr Moser
Norbert Dipl Ing Henkelmann
Sven 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
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 true DE3701586A1 (de) 1988-08-04
DE3701586C2 DE3701586C2 (fr) 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 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4017165A1 (de) * 1990-05-09 1991-11-14 Allweiler Ag Pumpe
US6499966B1 (en) 1998-08-06 2002-12-31 Automative Motion Technology, Ltd. Motor driven pump
USRE39597E1 (en) 2001-07-02 2007-05-01 Carrier Corporation Variable speed drive chiller system
CN103758758A (zh) * 2014-01-17 2014-04-30 西安交通大学 一种交流伺服直驱型电液泵
EP3816419A1 (fr) * 2019-10-31 2021-05-05 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

Families Citing this family (1)

* 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

Citations (3)

* 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
DE2044335B2 (de) * 1970-09-08 1977-03-03 Allweiler Ag, 7760 Radolfzell Stopfbuchsenloses motorpumpenaggregat

Patent Citations (3)

* 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
DE2044335B2 (de) * 1970-09-08 1977-03-03 Allweiler Ag, 7760 Radolfzell Stopfbuchsenloses motorpumpenaggregat

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Combined-motor-pump-brahe, in Produkt Engineering, 1967, Nr.1, S.54 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4017165A1 (de) * 1990-05-09 1991-11-14 Allweiler Ag Pumpe
US6499966B1 (en) 1998-08-06 2002-12-31 Automative Motion Technology, Ltd. Motor driven pump
USRE39597E1 (en) 2001-07-02 2007-05-01 Carrier Corporation Variable speed drive chiller system
CN103758758A (zh) * 2014-01-17 2014-04-30 西安交通大学 一种交流伺服直驱型电液泵
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
EP3816419A1 (fr) * 2019-10-31 2021-05-05 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

Also Published As

Publication number Publication date
DE3701586C2 (fr) 1988-11-10

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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