Title:
制御バルブ
Document Type and Number:
Japanese Patent JP7012566
Kind Code:
B2
Abstract:
To provide a control valve which can secure sealability between a joint and a rotor and obtain desired flow characteristics.SOLUTION: A control valve includes: a casing 21 having a warming-up port 56 formed with a warming-up outlet 56a; a warming-up joint 62 joined to an opening end surface of the warming-up outlet 56a in the warming-up port 56; a rotor 22 which is rotatably housed in the casing 21; a slide ring 131 having a slide surface 141a which slides on an outer peripheral surface of the rotor 22; a seal ring 133 disposed between an inner peripheral surface of the warming-up port 56 and an outer peripheral surface of the slide ring 131; and a holder 134 which is disposed between the inner peripheral surface of the warming-up port 56 and the outer peripheral surface of the slide ring 131 and holds the seal ring 133 from the outer side in a port axis direction relative to the seal ring 133. The holder 134 is disposed in a manner such that the holder 134 can be spaced apart from at least one of the warming-up joint 62 and the warming-up port 56.SELECTED DRAWING: Figure 5
Inventors:
Tetsushi Ozeki
Application Number:
JP2018040759A
Publication Date:
January 28, 2022
Filing Date:
March 07, 2018
Export Citation:
Assignee:
Yamada Manufacturing Co., Ltd.
International Classes:
F16K5/04; F01P7/16
Foreign References:
| US20030111631 | ||||
| US4175590 | ||||
| WO2016182066A1 | ||||
| US10648577 |
Attorney, Agent or Firm:
田▲崎▼ 聡
Junichi Kobayashi
Hiroyuki Hashimoto
Junichi Kobayashi
Hiroyuki Hashimoto