Japan, Feb. 27 -- NTN CORP has got intellectual property rights for 'ANNULAR SEAL MEMBER OF SCROLL COMPRESSOR.' Other related details are as follows:
Application Number: JP,2021-115971
Category (FI): F04C18/02,311@P,F04C18/02,311@T,F04C27/00,321
Stage: PROBLEM TO BE SOLVED: To provide an annular seal member of a compressor which can exert stable low-torque performance without causing the deterioration of durability and the lowering of a seal function.SOLUTION: In a scroll compressor, an annular seal member 16 comprises a fixed scroll body 3, a movable scroll body 4, a shaft 7, a main bearing 9 for rotatably supporting the shaft 7, and a main bearing member 12 for fixing the main bearing 9 thereto. The scroll compressor compresses fluid in a compression chamber 5 by revolving the movable scroll body 4 around an axial line of the fixed scroll body 3 by the rotation of the shaft 7, and the fluid is supplied to a backpressure chamber 15 of the movable scroll body 4 at a back face side. A seal member is attached to at least one annular groove 4d which is formed at a back face of a bottom plate part 4a of the movable scroll body 4, and seals the backpressure chamber 15a, and a dynamic pressure groove is formed at a slide face which at least revolutionarily slides at a ring side face.SELECTED DRAWING: Figure 1 (Grant)
Filing Date: July 13, 2021
Publication Date: Jan. 25, 2023
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.
