EP2582981A2 - Fluidische zahnradmaschine mit strömungsratenregler - Google Patents

Fluidische zahnradmaschine mit strömungsratenregler

Info

Publication number
EP2582981A2
EP2582981A2 EP11735549.5A EP11735549A EP2582981A2 EP 2582981 A2 EP2582981 A2 EP 2582981A2 EP 11735549 A EP11735549 A EP 11735549A EP 2582981 A2 EP2582981 A2 EP 2582981A2
Authority
EP
European Patent Office
Prior art keywords
regulating member
machine
fluidic
pressure
fluid
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Withdrawn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
EP11735549.5A
Other languages
English (en)
French (fr)
Inventor
Armando Codeca'
Matteo Cortesi
Leonardo Cadeddu
Alessandro Fauda
Matteo Calderoni
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.)
VHIT SpA
Original Assignee
VHIT SpA
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 VHIT SpA filed Critical VHIT SpA
Publication of EP2582981A2 publication Critical patent/EP2582981A2/de
Withdrawn legal-status Critical Current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
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
    • 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
    • F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
    • 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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • F04C14/26—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
    • F04C14/265—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels being obtained by displacing a lateral sealing face
EP11735549.5A 2010-06-15 2011-06-13 Fluidische zahnradmaschine mit strömungsratenregler Withdrawn EP2582981A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO2010A000516A IT1401005B1 (it) 2010-06-15 2010-06-15 Macchina fluidica con regolazione della portata
PCT/IB2011/052555 WO2011158167A2 (en) 2010-06-15 2011-06-13 Fluidic gear machine with flow rate regulation

Publications (1)

Publication Number Publication Date
EP2582981A2 true EP2582981A2 (de) 2013-04-24

Family

ID=43432035

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11735549.5A Withdrawn EP2582981A2 (de) 2010-06-15 2011-06-13 Fluidische zahnradmaschine mit strömungsratenregler

Country Status (3)

Country Link
EP (1) EP2582981A2 (de)
IT (1) IT1401005B1 (de)
WO (1) WO2011158167A2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9163628B2 (en) * 2013-03-11 2015-10-20 Imo Industries, Inc. Self adjusting gear pump
US10337512B2 (en) 2014-08-25 2019-07-02 Carrier Corporation Gear pump with dual pressure relief
US10682748B2 (en) 2017-12-19 2020-06-16 Caterpillar Inc. Auto-lubrication system for a work tool

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH399909A (de) * 1960-04-30 1965-09-30 Danfoss Ved Ing M Clausen Zweistufige Zahnradpumpe
GB1042778A (en) * 1964-06-09 1966-09-14 B & G Hydraulics Ltd Improvements in or relating to reversible gear pumps and motors
US4422834A (en) * 1981-05-07 1983-12-27 Trw Inc. Power steering pump
IT1309094B1 (it) 1999-10-08 2002-01-16 Magneti Marelli Spa Pompa rotativa a cilindrata fissa e portata variabile, particolarmenteper olio.
US7438542B2 (en) * 2005-12-19 2008-10-21 Dana Automotive Systems Group, Llc. Fluid pump assembly
WO2008146352A1 (ja) * 2007-05-28 2008-12-04 Mikuni Corporation ポンプ

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2011158167A2 *

Also Published As

Publication number Publication date
WO2011158167A2 (en) 2011-12-22
ITTO20100516A1 (it) 2011-12-16
WO2011158167A3 (en) 2013-03-28
IT1401005B1 (it) 2013-07-05

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