- Patent Title: Non-pusher seal with sealing elastomer and systems utilizing same
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Application No.: US17718425Application Date: 2022-04-12
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Publication No.: US11761542B2Publication Date: 2023-09-19
- Inventor: Darin Merrill Rasmussen
- Applicant: John Crane Inc.
- Applicant Address: US IL Chicago
- Assignee: JOHN CRANE INC.
- Current Assignee: JOHN CRANE INC.
- Current Assignee Address: US IL Chicago
- Agency: CANTOR COLBURN LLP
- Main IPC: F16J15/34
- IPC: F16J15/34
Abstract:
A double seal includes two sliding seals. The seals can be non-pusher secondary seals (NPSS). In one embodiment, by employing an NPSS as the chamber side seal can handle large pressure reversals where the inner diameter pressure (pressure in the chamber) spikes and exceeds the outer diameter pressure that is provided between the two seals forming the double seal.
Public/Granted literature
- US20220333691A1 NON-PUSHER SEAL WITH SEALING ELASTOMER AND SYSTEMS UTILIZING SAME Public/Granted day:2022-10-20
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