Title:
ROTARY VALVE, AND QUICK EXHAUST VALVE FOR RAILWAY VEHICLE
Document Type and Number:
WIPO Patent Application WO/2016/093271
Kind Code:
A1
Abstract:
Provided are a rotary valve and a quick exhaust valve for a railway vehicle, in which: high-quality sealing and operability during opening and closing of the valve body are ensured; economic efficiency is exceptional while durability is improved using a simple structure; and deterioration of the valve body and a seal member due to fluids is minimized, as is loss during fluid inflow. Inflow/outflow ports 10, 11 and a discharge port 12 are formed in either a sphere surface section 15 or a valve-body-accommodating section 16 having a taper surface section 131, the sphere surface section 15 and the valve-body-accommodating section 16 being formed in part of the inner periphery of a body 2, and a valve body 3 is rotatably inserted through an opening 22 opened by the valve-body-accommodating section. A spherical surface section 28 or a tapered surface section 132 is formed in a position facing the sphere surface section or the taper surface section; a plurality of through-holes 30-32 that communicate with the inflow/outflow ports or the discharge port are formed, as is a fitting groove 33 facing the inflow/outflow ports in a direction intersecting the through-holes; a seal member 5 is fitted in the fitting groove; and when the opening is covered by a lid member 6, any one of the inflow/outflow ports or the discharge port is hermetically closed off by the seal member, and the inflow/outflow ports and the discharge port are capable of communicating via the through-holes, or the inflow/outflow ports are capable of communicating with each other via the through-holes.
Inventors:
AOKI KAZUHIRO (JP)
OHNO HIROKI (JP)
OHNO HIROKI (JP)
Application Number:
PCT/JP2015/084508
Publication Date:
June 16, 2016
Filing Date:
December 09, 2015
Export Citation:
Assignee:
KITZ CORP (JP)
International Classes:
F16K5/06; F16K3/22; F16K5/02; F16K5/16; F16K5/20
Foreign References:
| JP2001322543A | 2001-11-20 | |||
| JP2012002355A | 2012-01-05 | |||
| JPH10273040A | 1998-10-13 |
Attorney, Agent or Firm:
KOBAYASHI, TETSUO (JP)
Tetsuo Kobayashi (JP)
Tetsuo Kobayashi (JP)
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