ROTARY VALVE

Japanese Patent JP2023110744

A

To secure seal performance and reduce the size of a valve element in a radial direction.SOLUTION: A housing 11 of a rotary valve 10 includes: a cover 12 (a specific facing wall part) and a closing part 23 (a facing wall part) which face each other while sandwiching a storage part 45 from both axial sides; and an annular wall part 22 which encloses the storage part 45 from the outer side in a radial direction. A valve body part 52 of a valve element 51 has an outer peripheral surface 56 facing the annular wall part 22 and multiple movable passages. Each movable passage comprises one specific movable passage 61 and a general movable passage 67. An upstream end 62a of the specific movable passage 61 is open facing the cover 12 and a downstream end 63b is open on the outer peripheral surface 56. An upstream end 67a and a downstream end 67b of the general movable passage 67 are open on the outer peripheral surface 56. Annular radial packings 71 and 73 are respectively disposed between peripheral edge parts of a radial inflow port 26 and a radial outflow port 28, which are open at the annular wall part 22, and the outer peripheral surface 56.SELECTED DRAWING: Figure 9

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SHINODA KAZUKI
KUROKAWA MASAHISA
SAGA YUKI

JP2022012356A

August 09, 2023

January 28, 2022

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TOKAI RIKI CO LTD

F16K11/076

Makoto Onda
Hironobu Onda

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