Invention Grant
- Patent Title: Load sensing valve device
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Application No.: US15518821Application Date: 2015-10-27
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Publication No.: US10408358B2Publication Date: 2019-09-10
- Inventor: Shota Mizukami , Takeshi Terao , Akio Matsuura
- Applicant: KYB Corporation
- Applicant Address: JP Tokyo
- Assignee: KYB Corporation
- Current Assignee: KYB Corporation
- Current Assignee Address: JP Tokyo
- Agency: Rabin & Berdo, P.C.
- Priority: JP2014-227154 20141107
- International Application: PCT/JP2015/080276 WO 20151027
- International Announcement: WO2016/072322 WO 20160512
- Main IPC: F16K11/07
- IPC: F16K11/07 ; F15B13/04 ; F15B13/02

Abstract:
A compensator spool of a load sensing valve device includes a pressure chamber, a compensator throttle portion, a pressure introduction chamber, a pressure introduction port, a maximum load pressure introduction chamber, and a selector valve. A groove is formed around the pressure introduction port, and a groove moves relatively between a passage communicating with an actuator to reduce an opening area of the pressure introduction port when the compensator spool moves.
Public/Granted literature
- US20170241555A1 LOAD SENSING VALVE DEVICE Public/Granted day:2017-08-24
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