Invention Grant
- Patent Title: Ionisation vacuum gauges and gauge heads
- Patent Title (中): 电离真空计和量规头
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Application No.: US12742426Application Date: 2008-10-07
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Publication No.: US08456167B2Publication Date: 2013-06-04
- Inventor: Matthew Key
- Applicant: Matthew Key
- Applicant Address: GB Crawley, West Sussex
- Assignee: Edwards Limited
- Current Assignee: Edwards Limited
- Current Assignee Address: GB Crawley, West Sussex
- Priority: GB0722063.5 20071112
- International Application: PCT/GB2008/050913 WO 20081007
- International Announcement: WO2009/063233 WO 20090522
- Main IPC: G01L21/30
- IPC: G01L21/30 ; G01L21/34
Abstract:
A gauge head (10) for an ionisation vacuum gauge includes an electrical device (12, 28, 54) operable to provide an electrical discharge in a gas whose pressure is to be measured to initiate ion discharge in the gas.
Public/Granted literature
- US20110101988A1 IONISATION VACUUM GAUGES AND GAUGE HEADS Public/Granted day:2011-05-05
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