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GB0319344D0 - Reducing exhaust pulsation in dry pumps - Google Patents

Reducing exhaust pulsation in dry pumps

Info

Publication number
GB0319344D0
GB0319344D0 GB0319344A GB0319344A GB0319344D0 GB 0319344 D0 GB0319344 D0 GB 0319344D0 GB 0319344 A GB0319344 A GB 0319344A GB 0319344 A GB0319344 A GB 0319344A GB 0319344 D0 GB0319344 D0 GB 0319344D0
Authority
GB
United Kingdom
Prior art keywords
reducing exhaust
exhaust pulsation
dry pumps
pumps
dry
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
GB0319344A
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 GB0319344A priority Critical patent/GB0319344D0/en
Publication of GB0319344D0 publication Critical patent/GB0319344D0/en
Priority to PCT/GB2004/003316 priority patent/WO2005019652A1/en
Priority to JP2006523664A priority patent/JP2007502932A/en
Priority to EP04767951A priority patent/EP1656504A1/en
Priority to TW093124573A priority patent/TW200513594A/en
Ceased legal-status Critical Current

Links

GB0319344A 2003-08-18 2003-08-18 Reducing exhaust pulsation in dry pumps Ceased GB0319344D0 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB0319344A GB0319344D0 (en) 2003-08-18 2003-08-18 Reducing exhaust pulsation in dry pumps
PCT/GB2004/003316 WO2005019652A1 (en) 2003-08-18 2004-08-02 Reducing exhaust pulsation in dry pumps
JP2006523664A JP2007502932A (en) 2003-08-18 2004-08-02 Reduced exhaust pump pulsation
EP04767951A EP1656504A1 (en) 2003-08-18 2004-08-02 Reducing exhaust pulsation in dry pumps
TW093124573A TW200513594A (en) 2003-08-18 2004-08-16 Reducing exhaust pulsation in dry pumps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0319344A GB0319344D0 (en) 2003-08-18 2003-08-18 Reducing exhaust pulsation in dry pumps

Publications (1)

Publication Number Publication Date
GB0319344D0 true GB0319344D0 (en) 2003-09-17

Family

ID=28052677

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0319344A Ceased GB0319344D0 (en) 2003-08-18 2003-08-18 Reducing exhaust pulsation in dry pumps

Country Status (5)

Country Link
EP (1) EP1656504A1 (en)
JP (1) JP2007502932A (en)
GB (1) GB0319344D0 (en)
TW (1) TW200513594A (en)
WO (1) WO2005019652A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0524649D0 (en) * 2005-12-02 2006-01-11 Boc Group Plc Multi-stage roots vacuum pump
EP2012014A1 (en) * 2007-07-06 2009-01-07 Yamada Manufacturing Co., Ltd. Internal gear pump with non-equal teeth pitch spacings
JP4404115B2 (en) * 2007-08-13 2010-01-27 ダイキン工業株式会社 Screw compressor
WO2011039812A1 (en) * 2009-09-30 2011-04-07 樫山工業株式会社 Positive displacement dry vacuum pump
US8888474B2 (en) * 2011-09-08 2014-11-18 Baker Hughes Incorporated Downhole motors and pumps with asymmetric lobes
JP6179537B2 (en) 2015-02-24 2017-08-16 トヨタ自動車株式会社 Bumper reinforcement structure for vehicles

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191223348A (en) * 1912-01-26 1913-03-13 Aleksander Jedrusik Improvements in and relating to Root's Blowers and the like.
GB953799A (en) * 1959-08-11 1964-04-02 Heraeus Gmbh W C Improvements in or relating to mechanical high vacuum pumps of the roots blower type
JPS6477782A (en) * 1987-09-19 1989-03-23 Ebara Corp Rotary machine of roots type
GB9021780D0 (en) * 1990-10-06 1990-11-21 Boc Group Plc Improvements in mechanical pumps
US5454701A (en) * 1994-06-02 1995-10-03 Chen; Chia-Hsing Screw compressor with rotors having hyper profile

Also Published As

Publication number Publication date
TW200513594A (en) 2005-04-16
EP1656504A1 (en) 2006-05-17
WO2005019652A1 (en) 2005-03-03
JP2007502932A (en) 2007-02-15

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Legal Events

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