Invention Grant
- Patent Title: Dry gas seal cooling arrangement and method
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Application No.: US15748661Application Date: 2016-07-28
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Publication No.: US10677255B2Publication Date: 2020-06-09
- Inventor: Leonardo Baldassarre , Andrea Cianti , Simone Amidei , Alberto Armenzani , Emanuele Rizzo
- Applicant: Nuovo Pignone Tecnologie Srl
- Applicant Address: IT Florence
- Assignee: NUOVO PIGNONE SRL
- Current Assignee: NUOVO PIGNONE SRL
- Current Assignee Address: IT Florence
- Agency: Baker Hughes Patent Organization
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@60fe643
- International Application: PCT/EP2016/068086 WO 20160728
- International Announcement: WO2017/017227 WO 20170202
- Main IPC: F04D29/12
- IPC: F04D29/12 ; F04D29/10 ; F16J15/34 ; F16J15/40 ; F01D25/22 ; F01D25/12 ; F04D29/58 ; F01D11/04 ; F01D11/00

Abstract:
The shaft seal arrangement for a rotating turbomachine shaft having a rotation axis, comprises a rotor part and a stationary part. A dry gas seal is further provided, in combination with a cooling fluid volume arranged for receiving a cooling fluid and in heat exchange relationship with the dry gas seal. A venting arrangement collectively vents exhaust cooling fluid and dry sealing gas from the shaft seal arrangement.
Public/Granted literature
- US20190003481A1 DRY GAS SEAL COOLING ARRANGEMENT AND METHOD Public/Granted day:2019-01-03
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