Invention Grant
- Patent Title: Hermetic compressor
- Patent Title (中): 气密压缩机
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Application No.: US10576783Application Date: 2005-12-09
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Publication No.: US08210832B2Publication Date: 2012-07-03
- Inventor: Makoto Katayama , Kosuke Tsuboi
- Applicant: Makoto Katayama , Kosuke Tsuboi
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: RatnerPrestia
- Priority: JP2004-361177 20041214
- International Application: PCT/JP2005/023090 WO 20051209
- International Announcement: WO2006/064890 WO 20060622
- Main IPC: F04B17/00
- IPC: F04B17/00
Abstract:
The hermetic compressor has grooves provided at an upper side and a lower side of outer circumference of a piston. Of outer shape of the grooves, the outer shape of the grooves communicating with a space in the hermetic container at least when the piston is in a bottom dead center is a shape not forming parallel line to an axial center of the piston when the grooves are developed in a plane.
Public/Granted literature
- US20090101442A1 HERMETIC COMPRESSOR Public/Granted day:2009-04-23
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