IT1403528B1 - PUMPING GROUP TO SUPPLY OIL IN PRESSURE TO A USER - Google Patents

PUMPING GROUP TO SUPPLY OIL IN PRESSURE TO A USER

Info

Publication number
IT1403528B1
IT1403528B1 ITBO2011A000025A ITBO20110025A IT1403528B1 IT 1403528 B1 IT1403528 B1 IT 1403528B1 IT BO2011A000025 A ITBO2011A000025 A IT BO2011A000025A IT BO20110025 A ITBO20110025 A IT BO20110025A IT 1403528 B1 IT1403528 B1 IT 1403528B1
Authority
IT
Italy
Prior art keywords
user
pressure
supply oil
pumping group
pumping
Prior art date
Application number
ITBO2011A000025A
Other languages
Italian (it)
Inventor
Bruno Bertagna
Davide Gambetti
Roberto Zambardi
Original Assignee
Trw Automotive Italia S R L
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 Trw Automotive Italia S R L filed Critical Trw Automotive Italia S R L
Priority to ITBO2011A000025A priority Critical patent/IT1403528B1/en
Priority to PCT/IB2012/050350 priority patent/WO2012101588A2/en
Priority to US13/981,678 priority patent/US20140037473A1/en
Priority to CN2012800064939A priority patent/CN103443401A/en
Priority to EP12707908.5A priority patent/EP2668371A2/en
Publication of ITBO20110025A1 publication Critical patent/ITBO20110025A1/en
Application granted granted Critical
Publication of IT1403528B1 publication Critical patent/IT1403528B1/en

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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/02—Pumps characterised by combination with or adaptation to specific driving engines or motors
    • 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
    • F01C21/106—Stators; Members defining the outer boundaries of the working chamber with a radial surface, e.g. cam rings
    • 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
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0007—Radial sealings for working fluid
    • F04C15/0019—Radial sealing elements specially adapted for 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
    • F04C15/0023—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
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • 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
    • F04C2210/00—Fluid
    • F04C2210/14—Lubricant
    • 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
    • F04C2210/00—Fluid
    • F04C2210/40—Properties
    • F04C2210/44—Viscosity
ITBO2011A000025A 2011-01-25 2011-01-25 PUMPING GROUP TO SUPPLY OIL IN PRESSURE TO A USER IT1403528B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ITBO2011A000025A IT1403528B1 (en) 2011-01-25 2011-01-25 PUMPING GROUP TO SUPPLY OIL IN PRESSURE TO A USER
PCT/IB2012/050350 WO2012101588A2 (en) 2011-01-25 2012-01-25 Pumping unit for feeding oil under pressure to a user
US13/981,678 US20140037473A1 (en) 2011-01-25 2012-01-25 Pumping assembly for feeding oil under pressure to a user
CN2012800064939A CN103443401A (en) 2011-01-25 2012-01-25 Pumping unit for feeding oil under pressure to user
EP12707908.5A EP2668371A2 (en) 2011-01-25 2012-01-25 Pumping assembly for feeding oil under pressure to a user

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO2011A000025A IT1403528B1 (en) 2011-01-25 2011-01-25 PUMPING GROUP TO SUPPLY OIL IN PRESSURE TO A USER

Publications (2)

Publication Number Publication Date
ITBO20110025A1 ITBO20110025A1 (en) 2012-07-26
IT1403528B1 true IT1403528B1 (en) 2013-10-31

Family

ID=43975262

Family Applications (1)

Application Number Title Priority Date Filing Date
ITBO2011A000025A IT1403528B1 (en) 2011-01-25 2011-01-25 PUMPING GROUP TO SUPPLY OIL IN PRESSURE TO A USER

Country Status (5)

Country Link
US (1) US20140037473A1 (en)
EP (1) EP2668371A2 (en)
CN (1) CN103443401A (en)
IT (1) IT1403528B1 (en)
WO (1) WO2012101588A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20159736A1 (en) * 2015-12-21 2017-06-21 Bosch Gmbh Robert PUMPING GROUP FOR FUEL SUPPLEMENTATION, PREFERABLY GASOIL, TO AN INTERNAL COMBUSTION ENGINE
DE102016102433B3 (en) * 2016-02-11 2017-05-11 Steyr Motors Gmbh Gear pump
KR20180077767A (en) * 2016-12-29 2018-07-09 엘지디스플레이 주식회사 Display device having an auxiliary electrode
JP7213423B2 (en) * 2019-07-24 2023-01-27 株式会社豊田自動織機 electric roots pump

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2103102A (en) * 1936-05-09 1937-12-21 Petroleum Heat & Power Co Heat exchanger
GB556701A (en) * 1941-07-05 1943-10-18 Du Pont Improvements in and relating to gear pumps
GB550621A (en) * 1941-07-14 1943-01-18 Du Pont Improvements in and relating to gear pumps
US2697987A (en) * 1951-05-30 1954-12-28 Barclay Cecil Maddison Gear type pump
DE1293599B (en) * 1958-01-14 1969-04-24 Borg Warner Gear pump
DE1528949A1 (en) * 1963-07-19 1969-09-11 Bosch Gmbh Robert Pump with adjustable throttle built into the suction line
US3286643A (en) * 1963-10-14 1966-11-22 Dowty Technical Dev Ltd Gear pumps and motors
FR1457377A (en) * 1965-07-03 1966-01-24 Hydraulic gear pump allowing the use of the discharge pressure normally applied to the teeth of the pinions to obtain a balancing torque of the bearings
KR20040099555A (en) * 2003-05-19 2004-12-02 현대자동차주식회사 housing structure for oil pump
US6902382B2 (en) * 2003-09-11 2005-06-07 Matthew Peter Christensen Gear motor start up control
DE102006045932A1 (en) * 2006-09-28 2008-04-03 Robert Bosch Gmbh Gear pump with reduced pressure pulsations on the delivery side
CN101216031A (en) * 2007-12-26 2008-07-09 王丽 Heavy pressure gear oil pump

Also Published As

Publication number Publication date
EP2668371A2 (en) 2013-12-04
WO2012101588A2 (en) 2012-08-02
US20140037473A1 (en) 2014-02-06
CN103443401A (en) 2013-12-11
ITBO20110025A1 (en) 2012-07-26
WO2012101588A3 (en) 2013-03-14
WO2012101588A8 (en) 2012-12-13

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