Title:
SWIVEL JOINT FOR TURBID LIQUID
Document Type and Number:
Japanese Patent JPH1182836
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To lengthen the service life of a swivel joint for turbid liquid. SOLUTION: A rotating member 10 is rotatably fitted in a cylindrical case 2. A first turbid liquid passage 23 is connected to a hole 14 of the rotating member 10 from a first turbid liquid hole 21 and sealed with a first rotating seal 12a and a second rotating seal 12b. A second turbid liquid passage 33 is connected to an annular hole 15 of the rotating member 10 from a second turbid liquid hole 31 and sealed with a third rotating seal 12c and a fourth rotating seal 12d. A first clear liquid hole 41, a second clear liquid hole 43 and a third clear liquid hole 45 connected to a clear liquid pump 47 are provided on the opposite side to the turbid liquid holes of the respective rotating seals, and clear liquid is force-fed to clean the respective rotating seal parts.
Inventors:
YOSHIDA SHUJI
MORIYA YUKIO
UMEDA HIROYUKI
MORIYA YUKIO
UMEDA HIROYUKI
Application Number:
JP25932297A
Publication Date:
March 26, 1999
Filing Date:
September 08, 1997
Export Citation:
Assignee:
KOMATSU MFG CO LTD
International Classes:
F16L27/08; F16L39/04; (IPC1-7): F16L27/08; F16L39/04
Attorney, Agent or Firm:
Yoshihiko Hashizume