Title:
COMPOSITE SEAL MEMBER FOR COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2023/042852
Kind Code:
A1
Abstract:
This composite seal material (1) for a compressor includes a first annular seal group (1a) and a second annular seal group (1b) mounted in an annular groove of a piston (10). The first annular seal group (1a) comprises: a first annular sliding member (16); a first annular interior support member (18) which supports the first annular sliding member (16) from the inside of the first annular sliding member (16) in the radial direction; a first annular lateral surface support member (15) which, from the low-pressure side, supports the first annular sliding member (16) and the first annular inside support member (18); and a first annular support member (14) which supports the first annular interior support member (18) from the inside of the first annular interior support member (18) in the radial direction, and which supports the first annular lateral surface support member (15) from the inside of first annular lateral surface support member (15) in the radial direction, and supports, from the low-pressure side, the first annular lateral surface support member (15) in the radial direction.
Inventors:
MINAMI MITSURU (JP)
UEDA AKIRA (JP)
UEDA AKIRA (JP)
Application Number:
PCT/JP2022/034400
Publication Date:
March 23, 2023
Filing Date:
September 14, 2022
Export Citation:
Assignee:
VALQUA LTD (JP)
International Classes:
F04B39/00; F16J9/06
Foreign References:
| JPS60129551U | 1985-08-30 | |||
| JPS5694838U | 1981-07-28 | |||
| JPH02236060A | 1990-09-18 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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