Invention Grant
- Patent Title: Seal with stacked sealing elements
- Patent Title (中): 密封用堆叠密封元件
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Application No.: US11953099Application Date: 2007-12-10
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Publication No.: US07896352B2Publication Date: 2011-03-01
- Inventor: John F. Justak
- Applicant: John F. Justak
- Agency: GrayRobinson, P.A.
- Main IPC: F16J15/44
- IPC: F16J15/44 ; F01D5/20 ; F01D25/16

Abstract:
A hybrid seal for sealing the circumferential gap between a first machine component and a second machine component comprises at least one shoe extending along one of the machine components in a position to create a non-contact seal, at least one spring element connected between one of the machine components and the shoe(s) and a stack of sealing elements located within a slot formed in the shoe(s), wherein a primary seal and secondary seal of the circumferential gap is created by the shoe(s) in cooperation with the spring element(s) and sealing elements, respectively.
Public/Granted literature
- US20080100000A1 SEAL WITH STACKED SEALING ELEMENTS Public/Granted day:2008-05-01
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