Title:
TIP SEAL FOR SCROLL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2018/147338
Kind Code:
A1
Abstract:
Provided is a tip seal for a scroll compressor capable of reducing a frictional force between scroll members and the tip seal and contributing to energy saving of the scroll compressor while maintaining sealing performance. A spiral tip seal 1 for sealing a compression chamber formed between a fixed scroll and a movable scroll in a scroll compressor provided with the fixed scroll and the movable scroll serving as scroll members comprises a sliding surface 5 for the scroll members and a plurality of concave parts 4 partially notched in the sliding surface 5. The plurality of concave parts 4 are arranged on at least one of a spiral inner peripheral surface 1b and a spiral outer peripheral surface 1a. Each of the concave parts 4 opens to the inner peripheral surface 1b or the outer peripheral surface 1a and does not penetrate through the inner peripheral surface 1b and the outer peripheral surface 1a.
Inventors:
ISHII TAKUYA (JP)
ITO DAICHI (JP)
TAKEO KATSUSHI (JP)
FUKUZAWA SATORU (JP)
ITO DAICHI (JP)
TAKEO KATSUSHI (JP)
FUKUZAWA SATORU (JP)
Application Number:
PCT/JP2018/004250
Publication Date:
August 16, 2018
Filing Date:
February 07, 2018
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F04C18/02
Foreign References:
| JPH1047266A | 1998-02-17 | |||
| JPH0727060A | 1995-01-27 | |||
| JP2003065266A | 2003-03-05 | |||
| JPH0388985A | 1991-04-15 | |||
| JPH06288361A | 1994-10-11 | |||
| US20160131136A1 | 2016-05-12 |
Attorney, Agent or Firm:
WAKI Hikaru et al. (JP)
Download PDF: