EP2657525A3 - Zahnradmaschine mit einer Axialdichtung, die sich in den Bereich der radialen Außenoberfläche des zugeordneten Lagerkörpers erstreckt - Google Patents

Zahnradmaschine mit einer Axialdichtung, die sich in den Bereich der radialen Außenoberfläche des zugeordneten Lagerkörpers erstreckt Download PDF

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Publication number
EP2657525A3
EP2657525A3 EP13161225.1A EP13161225A EP2657525A3 EP 2657525 A3 EP2657525 A3 EP 2657525A3 EP 13161225 A EP13161225 A EP 13161225A EP 2657525 A3 EP2657525 A3 EP 2657525A3
Authority
EP
European Patent Office
Prior art keywords
bearing body
correponding
gear machine
area
exterior surface
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
EP13161225.1A
Other languages
English (en)
French (fr)
Other versions
EP2657525A2 (de
EP2657525B1 (de
Inventor
Kai Sutter
Marc Laetzel
Stefan Cerny
Dieter Haecker
Ruediger Weiss
Christoph Kessler
Andreas Leinberger
Sebastian Birk
Guido Bredenfeld
Dietmar Schwuchow
Michael Wilhelm
Heinz Martin
Andreas Klaiber
Markus Stahl
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2657525A2 publication Critical patent/EP2657525A2/de
Publication of EP2657525A3 publication Critical patent/EP2657525A3/de
Application granted granted Critical
Publication of EP2657525B1 publication Critical patent/EP2657525B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04C2/12—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
    • F04C2/18—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 similar tooth forms
    • 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
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0023—Axial sealings for working fluid
    • F04C15/0026—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or pumps, e.g. gear machines or pumps
    • 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
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • 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
    • F04C2240/00—Components
    • F04C2240/50—Bearings
    • F04C2240/56—Bearing bushings or details thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Sealing Devices (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Hydraulic Motors (AREA)

Abstract

Außenzahnradmaschine mit einem Gehäuse (31;40;41), dessen Innenraum (11) sich mit einer konstanten an die Zahnräder angepassten Querschnittsform entlang einer Längsrichtung (17) erstreckt, wobei wenigstens ein Lagerkörper (50) vorgesehen ist, der bezüglich der Längsrichtung (17) neben den Zahnrädern angeordnet ist, wobei dessen radiale Außenoberfläche (55) an den Innenraum dichtend angepasst ist, wobei er in Längsrichtung (17) beweglich ist, wobei die Zahnräder in dem wenigstens einen Lagerkörper (50) drehbar gelagert sind, wobei dem wenigstens einen Lagerkörper (50) eine langgestreckte, elastische Dichtung (60) zugeordnet ist, welche das Gehäuse dichtend berührt, wobei sich die Dichtung (60) abschnittsweise in einer Axialebene erstreckt, die senkrecht zur Längsachse (17) ausgerichtet ist.
Erfindungsgemäß weist die Dichtung (60) wenigstens einen Richtungswechsel (63) auf, wobei sie sich mit einem zugeordneten Endbereich (61) entlang der radialen Außenoberfläche (55) des zugeordneten Lagerkörpers (50) erstreckt.
EP13161225.1A 2012-04-27 2013-03-27 Zahnradmaschine mit einer Axialdichtung, die sich in den Bereich der radialen Außenoberfläche des zugeordneten Lagerkörpers erstreckt Not-in-force EP2657525B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012207078A DE102012207078A1 (de) 2012-04-27 2012-04-27 Zahnradmaschine mit einer Axialdichtung, die sich in den Bereich der radialen Außenoberfläche des zugeordneten Lagerkörpers erstreckt

Publications (3)

Publication Number Publication Date
EP2657525A2 EP2657525A2 (de) 2013-10-30
EP2657525A3 true EP2657525A3 (de) 2015-12-30
EP2657525B1 EP2657525B1 (de) 2017-10-18

Family

ID=48049782

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13161225.1A Not-in-force EP2657525B1 (de) 2012-04-27 2013-03-27 Zahnradmaschine mit einer Axialdichtung, die sich in den Bereich der radialen Außenoberfläche des zugeordneten Lagerkörpers erstreckt

Country Status (2)

Country Link
EP (1) EP2657525B1 (de)
DE (1) DE102012207078A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016213636A1 (de) * 2016-07-26 2018-02-01 Robert Bosch Gmbh Außenzahnradpumpe für ein Abwärmerückgewinnungssystem
DE102017207486A1 (de) * 2017-05-04 2018-11-08 Robert Bosch Gmbh Außenzahnradmaschine, Abgaswärmerückgewinnungssystem mit einer Außenzahnradmaschine
US10962059B2 (en) 2019-06-17 2021-03-30 Hamilton Sundstrand Corporation Bearing with an eccentric seal groove
DE102019130723A1 (de) * 2019-11-14 2021-05-20 Fte Automotive Gmbh Flüssigkeitspumpe
DE102021004717A1 (de) 2021-09-20 2023-03-23 Oerlikon Textile Gmbh & Co. Kg Dosierpumpe zum Fördern von abrasiven Fluiden

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137239A (en) * 1962-04-27 1964-06-16 Borg Warner Pressure loaded pumps
DE2847711A1 (de) * 1978-11-03 1980-05-14 Bosch Gmbh Robert Zahnradmaschine (pumpe oder hydromotor)
EP1515045A2 (de) * 2003-09-11 2005-03-16 Haldex Hydraulics Corporation Zahnradmotor mit einem Anlaufsteuerungsverfahren

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137239A (en) * 1962-04-27 1964-06-16 Borg Warner Pressure loaded pumps
DE2847711A1 (de) * 1978-11-03 1980-05-14 Bosch Gmbh Robert Zahnradmaschine (pumpe oder hydromotor)
EP1515045A2 (de) * 2003-09-11 2005-03-16 Haldex Hydraulics Corporation Zahnradmotor mit einem Anlaufsteuerungsverfahren

Also Published As

Publication number Publication date
DE102012207078A1 (de) 2013-10-31
EP2657525A2 (de) 2013-10-30
EP2657525B1 (de) 2017-10-18

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