Title:
SHAFT SEAL STRUCTURE AND PRIMARY COOLING MATERIAL CIRCULATION PUMP
Document Type and Number:
Japanese Patent JP2019002489
Kind Code:
A
Abstract:
To improve safety and reliability of a device and also downsize the device, in a shaft seal structure and a primary cooling material circulation pump.SOLUTION: A shaft seal structure comprises: a seal ring 32 formed into a ring shape with an abutment part 41 where circumferential end surfaces 42a, 43a are opposite to each other, and having energization force with which a gap of the abutment part 41 reduces; and a stopper (support member) 33 provided at the abutment part 41, capable of supporting the respective end surfaces 42a, 43a so as to separate from each other in the seal ring 32, and buckling at a preset predetermined temperature or higher.SELECTED DRAWING: Figure 3
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Inventors:
UEHARA HIDEKAZU
HORI TAKUMI
IKEDA YASUHIRO
MATSUO TOSHIHIKO
KUZUMI HIROSHI
SUDA YASUHARU
SAKAGUCHI YUKIHIRO
TANAKA SHUNSUKE
TAKAYAMA YASUSHI
HANADA TOMOKI
HORI TAKUMI
IKEDA YASUHIRO
MATSUO TOSHIHIKO
KUZUMI HIROSHI
SUDA YASUHARU
SAKAGUCHI YUKIHIRO
TANAKA SHUNSUKE
TAKAYAMA YASUSHI
HANADA TOMOKI
Application Number:
JP2017117761A
Publication Date:
January 10, 2019
Filing Date:
June 15, 2017
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F16J15/16; F04B53/00; F04D29/14; F16J15/24; F16J15/3272; F16J15/3296; G21D1/00; G21D1/04
Attorney, Agent or Firm:
Sakai International Patent Office