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Patent Searching and Data


Title:
FLUID FORCE COMPENSATING METHOD AND SPOOL-TYPE FLOW CONTROL VALVE
Document Type and Number:
Japanese Patent JPH10184963
Kind Code:
A
Abstract:

To generate the required swirling flow without making a bucket into a complicated shape.

In a method for compensating for fluid force of a flow control valve having a passage structure in which a spool 1 is supported in a sleeve S by a static bearing 19, and fluid from the static bearing 19 is allowed to flow into a valve space 16 of a land 2 of the spool 1 and the circumferential groove of the sleeve S, a circumferential groove 4 is formed on the land 2 of the spool 1, fluid from the bearing is allowed to axially flow to the space 16 formed of the circumferential groove 4 and the sleeve S, and the control flow is swirled by the bearing flow to compensate for fluid force.


Inventors:
Takahashi, Yoshimizu
Usami, Yuichi
Application Number:
JP1996000348430
Publication Date:
July 14, 1998
Filing Date:
December 26, 1996
Export Citation:
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Assignee:
EBARA CORP
International Classes:
F16K25/00; F16K3/26; F16K11/07; F16K35/00; F16K39/04; (IPC1-7): F16K25/00; F16K35/00