Invention Grant
- Patent Title: Piston for a refrigeration compressor
- Patent Title (中): 活塞式制冷压缩机
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Application No.: US12664914Application Date: 2008-07-03
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Publication No.: US08801409B2Publication Date: 2014-08-12
- Inventor: Dietmar Erich Bernhard Lilie , Ingwald Vollrath
- Applicant: Dietmar Erich Bernhard Lilie , Ingwald Vollrath
- Applicant Address: BR São Paulo-Sp
- Assignee: Whirlpool S.A.
- Current Assignee: Whirlpool S.A.
- Current Assignee Address: BR São Paulo-Sp
- Agency: Gifford, Krass, Sprinkle, Anderson & Citkowski, P.C.
- Priority: BR0702471 20070704
- International Application: PCT/BR2008/000192 WO 20080703
- International Announcement: WO2009/003260 WO 20090108
- Main IPC: F04B53/12
- IPC: F04B53/12
Abstract:
A piston of the type comprising a tubular skirt portion which is closed, next to an end edge, by a head portion, the skirt portion being defined by a respective tube extension and presenting an end edge region configured to affix a head portion formed in a separate piece and having a peripheral contour internal to an axial projection of the outer contour of the skirt portion.
Public/Granted literature
- US20100183463A1 PISTON FOR A REFRIGERATION COMPRESSOR Public/Granted day:2010-07-22
Information query
