EP3679251A4 - Single vane rotary vacuum pump with oil supply passage channel - Google Patents

Single vane rotary vacuum pump with oil supply passage channel Download PDF

Info

Publication number
EP3679251A4
EP3679251A4 EP18853882.1A EP18853882A EP3679251A4 EP 3679251 A4 EP3679251 A4 EP 3679251A4 EP 18853882 A EP18853882 A EP 18853882A EP 3679251 A4 EP3679251 A4 EP 3679251A4
Authority
EP
European Patent Office
Prior art keywords
vacuum pump
oil supply
supply passage
passage channel
rotary vacuum
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Withdrawn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
EP18853882.1A
Other languages
German (de)
French (fr)
Other versions
EP3679251A1 (en
Inventor
Kabir BHANDARI
Rajesh Kumar SAHOO
Nitish Kumar
Avtar Krishna SHARMA
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.)
Padmini VNA Mechatronics Pvt Ltd
Original Assignee
Padmini VNA Mechatronics Pvt Ltd
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 Padmini VNA Mechatronics Pvt Ltd filed Critical Padmini VNA Mechatronics Pvt Ltd
Publication of EP3679251A1 publication Critical patent/EP3679251A1/en
Publication of EP3679251A4 publication Critical patent/EP3679251A4/en
Withdrawn legal-status Critical Current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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • 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
    • F01C21/08—Rotary pistons
    • F01C21/0809—Construction of vanes or vane holders
    • F01C21/0881—Construction of vanes or vane holders the vanes consisting of two or more parts
    • 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
    • F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
    • F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C18/3441—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • 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
    • F04C2220/00—Application
    • F04C2220/10—Vacuum
EP18853882.1A 2017-09-08 2018-09-07 Single vane rotary vacuum pump with oil supply passage channel Withdrawn EP3679251A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201711031872 2017-09-08
PCT/IB2018/056836 WO2019049076A1 (en) 2017-09-08 2018-09-07 Single vane rotary vacuum pump with oil supply passage channel

Publications (2)

Publication Number Publication Date
EP3679251A1 EP3679251A1 (en) 2020-07-15
EP3679251A4 true EP3679251A4 (en) 2021-04-28

Family

ID=65635041

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18853882.1A Withdrawn EP3679251A4 (en) 2017-09-08 2018-09-07 Single vane rotary vacuum pump with oil supply passage channel

Country Status (5)

Country Link
US (1) US20200263690A1 (en)
EP (1) EP3679251A4 (en)
JP (1) JP2020533516A (en)
CN (1) CN111051699A (en)
WO (1) WO2019049076A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1114046A (en) * 1914-08-24 1914-10-20 Amandus C Roessler Vacuum-pump.
WO2007116216A1 (en) * 2006-04-10 2007-10-18 Wabco Automotive Uk Limited Improved vacuum pump

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04179892A (en) * 1990-11-13 1992-06-26 Nippondenso Co Ltd Vacuum pump
EP2559903A1 (en) * 2011-08-17 2013-02-20 Wabco Automotive UK Limited Improved vacuum pump
EP2677118B1 (en) * 2012-06-20 2018-03-28 Pierburg Pump Technology GmbH Automotive volumetric vacuum pump
DE112015005704T5 (en) * 2014-12-22 2017-10-26 Padmini Vna Mechatronics Pvt. Ltd. Low energy consumption module for a vacuum pump
CN205937099U (en) * 2016-08-10 2017-02-08 李洪刚 Blade slip rotation type driven pump

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1114046A (en) * 1914-08-24 1914-10-20 Amandus C Roessler Vacuum-pump.
WO2007116216A1 (en) * 2006-04-10 2007-10-18 Wabco Automotive Uk Limited Improved vacuum pump

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019049076A1 *

Also Published As

Publication number Publication date
EP3679251A1 (en) 2020-07-15
WO2019049076A1 (en) 2019-03-14
CN111051699A (en) 2020-04-21
US20200263690A1 (en) 2020-08-20
JP2020533516A (en) 2020-11-19

Similar Documents

Publication Publication Date Title
EP3695155A4 (en) Multiple passage rotary union
EP3099938A4 (en) Variable displacement vane pump with thermo-compensation
EP3752756A4 (en) Rotary valve
EP3597923A4 (en) Rotary compressor
EP3645895A4 (en) Flow divider with internal vane
EP3826695A4 (en) Rotary blood pump
EP3259479A4 (en) A self-lubricating pump arrangement
EP3371455A4 (en) Vane pump with one or more less restricted vanes
EP3434901A4 (en) Vane pump
SG11201801043WA (en) Multi-stage rotary vane pump
EP3807436A4 (en) Rotary positive displacement pumps
EP3536959A4 (en) Vane pump
EP3536960A4 (en) Vane pump
EP3663225A4 (en) Discharge pump
EP3679251A4 (en) Single vane rotary vacuum pump with oil supply passage channel
EP3779200A4 (en) Rotary compressor
EP3751143A4 (en) Scroll fluid machine
EP3647595A4 (en) Rotary compressor
EP3754198A4 (en) Scroll fluid machine
EP3636929A4 (en) Rotary compressor
EP3660316A4 (en) Rotary compressor
EP3604812A4 (en) Scroll fluid machine
EP3677780A4 (en) Oil pump
EP3578821A4 (en) Rotary displacement compressor
EP3508559A4 (en) Vacuum pump oil

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20200319

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20210331

RIC1 Information provided on ipc code assigned before grant

Ipc: F04C 18/34 20060101AFI20210325BHEP

Ipc: F04C 29/02 20060101ALI20210325BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20211103