SG10201602198TA - Vacuum pump with longitudial and annular seals - Google Patents

Vacuum pump with longitudial and annular seals

Info

Publication number
SG10201602198TA
SG10201602198TA SG10201602198TA SG10201602198TA SG10201602198TA SG 10201602198T A SG10201602198T A SG 10201602198TA SG 10201602198T A SG10201602198T A SG 10201602198TA SG 10201602198T A SG10201602198T A SG 10201602198TA SG 10201602198T A SG10201602198T A SG 10201602198TA
Authority
SG
Singapore
Prior art keywords
longitudial
vacuum pump
annular seals
seals
annular
Prior art date
Application number
SG10201602198TA
Inventor
Neil Turner
Stephen Dowdeswell
Sivabalan Kailasam
Alan Ernest Kinnaird Holbrook
Original Assignee
Edwards 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 Edwards Ltd filed Critical Edwards Ltd
Publication of SG10201602198TA publication Critical patent/SG10201602198TA/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B25/00—Multi-stage pumps
    • 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
    • F01C19/00—Sealing arrangements in rotary-piston machines or engines
    • F01C19/005—Structure and composition of sealing elements such as sealing strips, sealing rings and the like; Coating of these elements
    • 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
    • F01C19/00—Sealing arrangements in rotary-piston machines or engines
    • F01C19/10—Sealings for working fluids between radially and axially movable parts
    • 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
    • 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
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • 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
    • F04C23/001—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 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
    • 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than 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
    • F04C2220/00—Application
    • F04C2220/10—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
    • F04C2230/00—Manufacture
    • F04C2230/60—Assembly methods
    • 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
    • F04C2240/70—Use of multiplicity of similar components; Modular construction
SG10201602198TA 2011-03-22 2012-01-17 Vacuum pump with longitudial and annular seals SG10201602198TA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1104781.8A GB2489248A (en) 2011-03-22 2011-03-22 Vacuum pump with stator joint seals

Publications (1)

Publication Number Publication Date
SG10201602198TA true SG10201602198TA (en) 2016-04-28

Family

ID=44012941

Family Applications (2)

Application Number Title Priority Date Filing Date
SG10201602198TA SG10201602198TA (en) 2011-03-22 2012-01-17 Vacuum pump with longitudial and annular seals
SG2013063094A SG192861A1 (en) 2011-03-22 2012-01-17 Vacuum pump with longitudial and annular seals

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG2013063094A SG192861A1 (en) 2011-03-22 2012-01-17 Vacuum pump with longitudial and annular seals

Country Status (8)

Country Link
US (1) US9551333B2 (en)
EP (1) EP2689105B1 (en)
JP (1) JP6084962B2 (en)
CN (1) CN103443400B (en)
GB (1) GB2489248A (en)
SG (2) SG10201602198TA (en)
TW (1) TWI600835B (en)
WO (1) WO2012127198A2 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2508405B (en) 2012-11-30 2015-09-02 Edwards Ltd Vacuum pump
GB2512095B (en) * 2013-03-20 2015-07-08 Edwards Ltd Pump
GB2528451A (en) * 2014-07-21 2016-01-27 Edwards Ltd Vacuum pump
GB2528450A (en) * 2014-07-21 2016-01-27 Edwards Ltd Vacuum pump
GB2540999A (en) * 2015-08-04 2017-02-08 Edwards Ltd Vacuum Pump
GB201617713D0 (en) 2016-10-19 2016-11-30 Q-Linea Ab Method for recovering microbial cells
GB2558954B (en) * 2017-01-24 2019-10-30 Edwards Ltd Pump sealing
GB2559136B (en) * 2017-01-25 2020-04-15 Edwards Ltd Vacuum pump with biased stator seals and method of manufacture thereof
GB2559134B (en) * 2017-01-25 2020-07-29 Edwards Ltd Pump assemblies with stator joint seals
GB2561899B (en) * 2017-04-28 2020-11-04 Edwards Ltd Vacuum pumping system
GB2575987A (en) * 2018-07-30 2020-02-05 Edwards Ltd Seal assembly
FR3096096B1 (en) * 2019-05-13 2021-05-14 Pfeiffer Vacuum Dry primary vacuum pump
GB2591500B (en) * 2020-01-30 2022-11-30 Edwards Ltd A pump and a set of seals sealing the stator components of such a pump
GB2592030B (en) * 2020-02-12 2022-03-09 Edwards Ltd Multiple stage vacuum pump
FR3112174B1 (en) * 2021-02-24 2022-07-22 Pfeiffer Vacuum Dry vacuum pump
CN115853774B (en) * 2022-04-11 2023-12-01 北京通嘉宏瑞科技有限公司 Vacuum pump with special-shaped sealing structure capable of preventing internal leakage and external leakage and manufacturing method thereof

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63136283U (en) 1987-02-27 1988-09-07
JPH0736474B2 (en) * 1990-08-20 1995-04-19 株式会社富士通ゼネラル Waterproof structure of case
JPH04153581A (en) * 1990-10-17 1992-05-27 Hitachi Ltd Packing assembly body for revolution angle detecting device
GB9817277D0 (en) * 1998-08-08 1998-10-07 Bowes Edward M T Modular housing construction and sealing means for use therewith
FR2813104B1 (en) * 2000-08-21 2002-11-29 Cit Alcatel SEAL FOR VACUUM PUMP
JP4489325B2 (en) * 2001-06-29 2010-06-23 株式会社ユニコ Waterproof structure and waterproof seal member for small portable electric lamp
JP4030279B2 (en) * 2001-08-01 2008-01-09 アネスト岩田株式会社 Scroll fluid machinery
JP4621513B2 (en) * 2005-02-22 2011-01-26 本田技研工業株式会社 Fuel cell stack
GB0620144D0 (en) * 2006-10-11 2006-11-22 Boc Group Plc Vacuum pump
FR2920201B1 (en) * 2007-08-20 2013-08-23 Aircelle Sa SYSTEM FOR CONTROLLING AT LEAST ONE SHUTTER ACTUATOR OF A THRUST INVERTER FOR TURBOJETACTOR AND METHOD FOR TESTING THE SYSTEM
JP4814189B2 (en) * 2007-09-21 2011-11-16 三菱重工業株式会社 Scroll compressor
GB0719394D0 (en) 2007-10-04 2007-11-14 Edwards Ltd A multi stage clam shell vacuum pump

Also Published As

Publication number Publication date
JP2014511965A (en) 2014-05-19
SG192861A1 (en) 2013-10-30
TWI600835B (en) 2017-10-01
EP2689105B1 (en) 2017-03-15
WO2012127198A2 (en) 2012-09-27
CN103443400B (en) 2016-07-13
WO2012127198A3 (en) 2013-07-18
CN103443400A (en) 2013-12-11
JP6084962B2 (en) 2017-02-22
GB201104781D0 (en) 2011-05-04
US9551333B2 (en) 2017-01-24
TW201243158A (en) 2012-11-01
US20140017062A1 (en) 2014-01-16
EP2689105A2 (en) 2014-01-29
GB2489248A (en) 2012-09-26

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