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Patent Searching and Data


Title:
Sliding parts
Document Type and Number:
Japanese Patent JP6305432
Kind Code:
B2
Abstract:
Concentration of sediment causative substances on sealing faces is prevented and hence generation of sediment is prevented, so that a sealing function of the sealing faces is maintained for a long time. Fluid circulation grooves 10, each of the fluid circulation grooves including an inlet section 10a, an outlet section 10b, and a communication section 10c are provided in one of the sealing faces. A positive pressure generation mechanism 11 is provided in a part surrounded by the fluid circulation groove 10 and a high pressure fluid side, a negative pressure generation mechanism 12 is provided on a low pressure fluid side between the plurality of fluid circulation grooves 10, 10, an auxiliary fluid circulation groove 13 including an inlet section 13a, an outlet section 13b, and a communication section 13c is provided on the high pressure fluid side between the plurality of fluid circulation grooves 10, 10, and an auxiliary positive pressure generation mechanism 14 is provided in a part surrounded by the auxiliary fluid circulation groove 13 and the high pressure fluid side.

Inventors:
Satoshi Itaya
Application Number:
JP2015552421A
Publication Date:
April 04, 2018
Filing Date:
December 05, 2014
Export Citation:
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Assignee:
Eagle Industry Co., Ltd.
International Classes:
F16J15/34
Domestic Patent References:
JP2236067A
JP473A
Foreign References:
WO2012046749A1
Attorney, Agent or Firm:
Kazuo Shigenobu
Yoshihiro Sakurai
Ryoichi Mizobuchi
Yoshifumi Ishikawa
Hideki Akiba
Taeko Katata
Michihiro Hayashi
Yasushi Amasaka