EP2354551A3 - Hydraulic gear wheel machine with axial force compensation - Google Patents

Hydraulic gear wheel machine with axial force compensation Download PDF

Info

Publication number
EP2354551A3
EP2354551A3 EP10015012.7A EP10015012A EP2354551A3 EP 2354551 A3 EP2354551 A3 EP 2354551A3 EP 10015012 A EP10015012 A EP 10015012A EP 2354551 A3 EP2354551 A3 EP 2354551A3
Authority
EP
European Patent Office
Prior art keywords
axial force
gear wheel
wheel machine
shaft
force compensation
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
EP10015012.7A
Other languages
German (de)
French (fr)
Other versions
EP2354551A2 (en
EP2354551B1 (en
Inventor
Klaus Griese
Marc Dr. Laetzel
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 EP2354551A2 publication Critical patent/EP2354551A2/en
Publication of EP2354551A3 publication Critical patent/EP2354551A3/en
Application granted granted Critical
Publication of EP2354551B1 publication Critical patent/EP2354551B1/en
Active 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
    • F04C2/16—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • F01C21/104—Stators; Members defining the outer boundaries of the working chamber
    • F01C21/108—Stators; Members defining the outer boundaries of the working chamber with an axial surface, e.g. side plates
    • 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
    • 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
    • F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • F04C15/0073—Couplings between rotors and input or output shafts acting by interengaging or mating parts, i.e. positive coupling of rotor and shaft
    • 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
    • F04C2240/80—Other components

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Gear Transmission (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

Zahnradmaschine mit Gehäuse, in dem zwei miteinander kämmende und insbesondere schrägverzahnte Zahnräder aufgenommen sind. Diese sind axial mit Axialflächen zwischen im Gehäuse aufgenommenen Lagerkörpern und radial auf jeweils einer in den Lagerkörpern aufgenommenen Welle gelagert. Im Betrieb der Zahnradmaschine wirken sowohl mechanische als auch hydraulische Kräfte auf die Zahnräder. Daraus resultiert für zumindest ein Zahnrad eine axiale Kraftkomponente. Ein koaxial zur Welle angebrachter Kömpensationskörper wirkt der axialen Kraftkomponente entgegen. Der Kompensationskörper und die Welle sind erfindungsgemäß drehfest miteinander verbunden.

Figure imgaf001
Gear machine with housing, are received in the two intermeshing and in particular helical gears. These are mounted axially with axial surfaces between housed in the housing bearing bodies and radially on each received in the bearing bodies shaft. During operation of the gear machine, both mechanical and hydraulic forces act on the gears. This results in at least one gear, an axial force component. A Kömpensationskörper attached coaxially to the shaft counteracts the axial force component. The compensation body and the shaft are rotatably connected to each other according to the invention.
Figure imgaf001
EP10015012.7A 2010-01-27 2010-11-26 Hydraulic gear wheel machine with axial force compensation. Active EP2354551B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010005900A DE102010005900A1 (en) 2010-01-27 2010-01-27 Hydraulic gear machine

Publications (3)

Publication Number Publication Date
EP2354551A2 EP2354551A2 (en) 2011-08-10
EP2354551A3 true EP2354551A3 (en) 2015-06-10
EP2354551B1 EP2354551B1 (en) 2016-05-04

Family

ID=43532845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10015012.7A Active EP2354551B1 (en) 2010-01-27 2010-11-26 Hydraulic gear wheel machine with axial force compensation.

Country Status (2)

Country Link
EP (1) EP2354551B1 (en)
DE (1) DE102010005900A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2745646A1 (en) * 1976-10-15 1978-04-20 Imo Industri Ab HYDRAULIC MACHINE
IT1124357B (en) * 1979-11-23 1986-05-07 Marzocchi Paolo & Adriano REFINEMENTS PARTICULARLY SUITABLE FOR PUMPS AND HYDRAULIC GEAR TYPE MOTORS
DE60133786T2 (en) * 2000-03-08 2009-06-25 Mario Antonio Morselli Rotary displacement pump with screw rotors
DE102008001573A1 (en) * 2008-05-06 2009-11-12 Robert Bosch Gmbh Pump arrangement for air-compressing, self-igniting internal-combustion engine, has gear pump comprising gear wheel arranged on gear pump shaft, and coupling piece connecting high-pressure pump shaft with gear wheel

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20010540A1 (en) 2001-09-07 2003-03-07 Mario Antonio Morselli REFINEMENTS IN A ROTARY VOLUMETRIC PUMP

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2745646A1 (en) * 1976-10-15 1978-04-20 Imo Industri Ab HYDRAULIC MACHINE
IT1124357B (en) * 1979-11-23 1986-05-07 Marzocchi Paolo & Adriano REFINEMENTS PARTICULARLY SUITABLE FOR PUMPS AND HYDRAULIC GEAR TYPE MOTORS
DE60133786T2 (en) * 2000-03-08 2009-06-25 Mario Antonio Morselli Rotary displacement pump with screw rotors
DE102008001573A1 (en) * 2008-05-06 2009-11-12 Robert Bosch Gmbh Pump arrangement for air-compressing, self-igniting internal-combustion engine, has gear pump comprising gear wheel arranged on gear pump shaft, and coupling piece connecting high-pressure pump shaft with gear wheel

Also Published As

Publication number Publication date
DE102010005900A1 (en) 2011-07-28
EP2354551A2 (en) 2011-08-10
EP2354551B1 (en) 2016-05-04

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