Title:
SWITCHING VALVE
Document Type and Number:
WIPO Patent Application WO/2023/048045
Kind Code:
A1
Abstract:
Provided is a switching valve capable of maintaining a favorable contact state between a contact surface of a rotor and a seat surface of a stator in the rotation range of the rotor. A stator 30 is provided with a plurality of entry ports P1−P3 and a plurality of exit ports P4−P7 through which a working fluid passes, a rotor 50 is provided with at least two through-holes 51, 52 and communication grooves 53−55 allowing selective communication between the entry ports P1−P3 and the exit ports P4−P7, a case 20 is provided with an opening 21 for fluid entry communicating with the through-holes 51, 52, and at least one of the through-holes 51, 52 always communicates with one of the exit ports P4−P7 within the rotation range of the rotor 50.
Inventors:
KAWATO TADANOBU (JP)
SHIOI TAKASHI (JP)
MATSUZAKI AKITAKA (JP)
NISHIMURA NAOKI (JP)
URAKAWA RYOTA (JP)
TANIKAWA HIRONORI (JP)
OGAWA NORIYUKI (JP)
SHIOI TAKASHI (JP)
MATSUZAKI AKITAKA (JP)
NISHIMURA NAOKI (JP)
URAKAWA RYOTA (JP)
TANIKAWA HIRONORI (JP)
OGAWA NORIYUKI (JP)
Application Number:
PCT/JP2022/034389
Publication Date:
March 30, 2023
Filing Date:
September 14, 2022
Export Citation:
Assignee:
EAGLE IND CO LTD (JP)
International Classes:
F16K11/074
Foreign References:
| JP2001235049A | 2001-08-31 | |||
| JPH1137332A | 1999-02-12 | |||
| JP2002022041A | 2002-01-23 | |||
| JP2011094787A | 2011-05-12 | |||
| JP2014185662A | 2014-10-02 |
Attorney, Agent or Firm:
SHIGENOBU Kazuo et al. (JP)
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