公开(公告)号：US11536269B2

公开(公告)日：2022-12-27

申请号：US16484419

申请日：2018-02-07

Applicant: NTN CORPORATION

Inventor： Takuya Ishii ,  Daichi Ito ,  Katsushi Takeo ,  Satoru Fukuzawa

IPC: F04C18/02 ,  F04C27/00 ,  F01C19/00

Abstract: A tip seal 1 for a scroll compressor capable of reducing a frictional force between scroll members and the tip seal where the tip seal 1 has a spiral shape for sealing a compression chamber formed between a fixed scroll and a movable scroll in a scroll compressor provided with the fixed scroll. The movable scroll having a plurality of concave parts 4 being formed by partially notching a sliding surface 5 on the scroll members, the concave parts 4 being arranged on at least one of a spiral inner peripheral surface 1b or a spiral outer peripheral surface 1a. Each of the concave parts 4 being open to the inner peripheral surface 1b or the outer peripheral surface 1a.