Scroll compressor with improved back pressure force control function
US8550797B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 31, 2009 |
| Grant date | Oct 8, 2013 |
| Priority date | — |
| Expiry date | Mar 30, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C2240/80
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A scroll compressor that includes: a housing, a drive unit configured to generate a rotating force; and a scroll compression unit having a fixed scroll having a spiral scroll wrap for compressing a suctioned fluid and fixed irrespective of a rotation of a drive shaft of the drive unit and a swivel scroll swiveled according to rotation of the drive shaft and having a spiral scroll wrap, comprises: a main frame disposed within the housing to support a rear surface of the swivel scroll and having a back pressure chamber in an interior thereof; a thrust plate disposed between the swivel scroll and the main frame; and a sealing member inserted between the swivel scroll and the main frame. The sealing member includes a first sealing member inserted between the swivel scroll and the thrust plate, and a second sealing member inserted between the thrust plate and the main frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.