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GB9104514D0 - Improvements to vacuum pumps - Google Patents

Improvements to vacuum pumps

Info

Publication number
GB9104514D0
GB9104514D0 GB919104514A GB9104514A GB9104514D0 GB 9104514 D0 GB9104514 D0 GB 9104514D0 GB 919104514 A GB919104514 A GB 919104514A GB 9104514 A GB9104514 A GB 9104514A GB 9104514 D0 GB9104514 D0 GB 9104514D0
Authority
GB
United Kingdom
Prior art keywords
vacuum pumps
pumps
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.)
Pending
Application number
GB919104514A
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 GB919104514A priority Critical patent/GB9104514D0/en
Publication of GB9104514D0 publication Critical patent/GB9104514D0/en
Priority to EP92301781A priority patent/EP0502684A1/en
Priority to JP4718292A priority patent/JPH06101673A/en
Pending legal-status Critical Current

Links

GB919104514A 1991-03-04 1991-03-04 Improvements to vacuum pumps Pending GB9104514D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB919104514A GB9104514D0 (en) 1991-03-04 1991-03-04 Improvements to vacuum pumps
EP92301781A EP0502684A1 (en) 1991-03-04 1992-03-02 Rotary positive displacement pump
JP4718292A JPH06101673A (en) 1991-03-04 1992-03-04 Vacuum pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919104514A GB9104514D0 (en) 1991-03-04 1991-03-04 Improvements to vacuum pumps

Publications (1)

Publication Number Publication Date
GB9104514D0 true GB9104514D0 (en) 1991-04-17

Family

ID=10690950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB919104514A Pending GB9104514D0 (en) 1991-03-04 1991-03-04 Improvements to vacuum pumps

Country Status (3)

Country Link
EP (1) EP0502684A1 (en)
JP (1) JPH06101673A (en)
GB (1) GB9104514D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108050061A (en) * 2018-01-09 2018-05-18 中国石油大学(华东) A kind of efficient claw rotor

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6443199B1 (en) 1997-09-17 2002-09-03 The Goodyear Tire & Rubber Company Footprints for nonrotatable automobile and light truck tires
EP1195541A4 (en) * 1999-06-14 2004-05-19 Wei Xiong A gear and a fluid machine with a pair of gears
GB2426036A (en) * 2005-05-10 2006-11-15 Bernard Whicher Vertical Northey compressor
TW201135067A (en) * 2010-04-02 2011-10-16 yi-lin Zhu Air compression device
JP6033759B2 (en) * 2013-11-05 2016-11-30 アネスト岩田株式会社 Claw pump
JP6749714B1 (en) * 2019-10-28 2020-09-02 オリオン機械株式会社 Claw pump

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1102554A (en) * 1954-04-07 1955-10-24 Positive displacement compressor
GB800211A (en) * 1955-09-01 1958-08-20 Clifford Edmund Brewer Improvements in or relating to rotary compressors, pumps or motors
US3723031A (en) * 1970-11-23 1973-03-27 A Brown Rotary displacement machines
US4324538A (en) * 1978-09-27 1982-04-13 Ingersoll-Rand Company Rotary positive displacement machine with specific lobed rotor profiles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108050061A (en) * 2018-01-09 2018-05-18 中国石油大学(华东) A kind of efficient claw rotor
CN108050061B (en) * 2018-01-09 2023-08-29 中国石油大学(华东) High-efficiency claw type rotor

Also Published As

Publication number Publication date
EP0502684A1 (en) 1992-09-09
JPH06101673A (en) 1994-04-12

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