GB0324068D0 - Improvements in pumping efficiency - Google Patents

Improvements in pumping efficiency

Info

Publication number
GB0324068D0
GB0324068D0 GB0324068A GB0324068A GB0324068D0 GB 0324068 D0 GB0324068 D0 GB 0324068D0 GB 0324068 A GB0324068 A GB 0324068A GB 0324068 A GB0324068 A GB 0324068A GB 0324068 D0 GB0324068 D0 GB 0324068D0
Authority
GB
United Kingdom
Prior art keywords
pumping efficiency
pumping
efficiency
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.)
Ceased
Application number
GB0324068A
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.)
BOC Group Ltd
Original Assignee
BOC Group 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 BOC Group Ltd filed Critical BOC Group Ltd
Priority to GB0324068A priority Critical patent/GB0324068D0/en
Publication of GB0324068D0 publication Critical patent/GB0324068D0/en
Priority to PCT/GB2004/004277 priority patent/WO2005040614A1/en
Ceased legal-status Critical Current

Links

GB0324068A 2003-10-14 2003-10-14 Improvements in pumping efficiency Ceased GB0324068D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0324068A GB0324068D0 (en) 2003-10-14 2003-10-14 Improvements in pumping efficiency
PCT/GB2004/004277 WO2005040614A1 (en) 2003-10-14 2004-10-08 Multistage vacuum pump with improved efficiency

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0324068A GB0324068D0 (en) 2003-10-14 2003-10-14 Improvements in pumping efficiency

Publications (1)

Publication Number Publication Date
GB0324068D0 true GB0324068D0 (en) 2003-11-19

Family

ID=29559275

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0324068A Ceased GB0324068D0 (en) 2003-10-14 2003-10-14 Improvements in pumping efficiency

Country Status (2)

Country Link
GB (1) GB0324068D0 (en)
WO (1) WO2005040614A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4737770B2 (en) * 2006-09-12 2011-08-03 アネスト岩田株式会社 Vacuum pump operation control device and method
TWI518245B (en) * 2010-04-19 2016-01-21 荏原製作所股份有限公司 Dry vacuum pump apparatus, exhaust unit, and silencer
FR3001263B1 (en) * 2013-01-18 2015-02-20 Adixen Vacuum Products DRY TYPE MULTI-STAGE VACUUM PUMP

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61123777A (en) * 1984-11-16 1986-06-11 Hitachi Ltd Vacuum pump
DE4129897A1 (en) * 1991-09-09 1993-03-11 Koterewa Katharina Control for interlinking of multistage vacuum pumps - has connection channel between pump stages with stroke valve, coupled to discharge valve
JPH06147166A (en) * 1992-10-30 1994-05-27 Shin Nippon Zoki Kk Two stage liquid-tight type vacuum pump
DE69630981T2 (en) * 1995-02-28 2004-12-30 Anest Iwata Corp. Control system for two-stage vacuum pump

Also Published As

Publication number Publication date
WO2005040614A1 (en) 2005-05-06

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)