Invention Grant
US08376529B2 Pressure-regulating valve and liquid droplet ejection apparatus having the same
有权
压力调节阀和具有该压力调节阀的液滴喷射装置
- Patent Title: Pressure-regulating valve and liquid droplet ejection apparatus having the same
- Patent Title (中): 压力调节阀和具有该压力调节阀的液滴喷射装置
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Application No.: US12689756Application Date: 2010-01-19
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Publication No.: US08376529B2Publication Date: 2013-02-19
- Inventor: Toshihiro Yokozawa , Seiji Kinoshita , Takahiro Yamashita
- Applicant: Toshihiro Yokozawa , Seiji Kinoshita , Takahiro Yamashita
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Global IP Counselors, LLP
- Priority: JP2009-038754 20090223
- Main IPC: B41J2/175
- IPC: B41J2/175 ; B41J2/17
Abstract:
An internal wall of a secondary chamber excluding one surface includes a flat wall portion with a secondary-chamber-side opening of the communication flow passage being formed in the center portion thereof; a conforming wall portion with which a diaphragm deformed maximally in the minus direction makes conforming contact, the conforming wall portion being connected to the outside of the flat wall portion and having an outflow opening communicating with an outflow port formed at the bottom of the conforming wall portion; and a flow passage groove extending upward from the flat wall portion to cut into the conforming wall portion.
Public/Granted literature
- US20100214377A1 PRESSURE-REGULATING VALVE AND LIQUID DROPLET EJECTION APPARATUS HAVING THE SAME Public/Granted day:2010-08-26
Information query
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