Invention Grant
- Patent Title: Bellows seal assembly and bellows valve equipped therewith
- Patent Title (中): 波纹管密封组件和配有其的波纹管阀
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Application No.: US13466093Application Date: 2012-05-07
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Publication No.: US08702057B2Publication Date: 2014-04-22
- Inventor: Xingyan Cheng
- Applicant: Xingyan Cheng
- Applicant Address: CN Hangzhou
- Assignee: Zhejiang Wanlong Machinery Co., Ltd.
- Current Assignee: Zhejiang Wanlong Machinery Co., Ltd.
- Current Assignee Address: CN Hangzhou
- Agency: Matthias Scholl P.C.
- Agent Matthias Scholl
- Priority: CN201010218706 20100705
- Main IPC: F16K41/10
- IPC: F16K41/10
Abstract:
A bellows seal assembly and bellows valve equipped therewith. The bellows seal assembly includes an internal bellows, an external bellows, a hollow upper bellows seat, a first hollow lower bellows seat, and a second hollow lower bellows seat. One end of the internal bellows is fixed to the upper bellows seat and the other end is fixed to the second lower bellows seat. One end of the external bellows is fixed to the upper bellows seat and the other end is fixed to the first lower bellows seat. The external bellows is sheathed around the internal bellows. The first lower bellows seat is sheathed around the second lower bellows seat. The bellows valve includes the bellows seal assembly.
Public/Granted literature
- US20120217429A1 BELLOWS SEAL ASSEMBLY AND BELLOWS VALVE EQUIPPED THEREWITH Public/Granted day:2012-08-30
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