Invention Grant
- Patent Title: Reciprocating refrigeration compressor oil separation
- Patent Title (中): 往复式制冷压缩机油分离
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Application No.: US13512963Application Date: 2010-12-13
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Publication No.: US08850835B2Publication Date: 2014-10-07
- Inventor: Paul J. Flanigan
- Applicant: Paul J. Flanigan
- Applicant Address: US CT Farmington
- Assignee: Carrier Corporation
- Current Assignee: Carrier Corporation
- Current Assignee Address: US CT Farmington
- Agency: Bachman & LaPointe, P.C.
- International Application: PCT/US2010/060010 WO 20101213
- International Announcement: WO2011/084369 WO 20110714
- Main IPC: F25B43/02
- IPC: F25B43/02 ; F04B39/04 ; F04B39/16 ; F25B31/02 ; F25B1/02
Abstract:
A compressor (20) has a case (22) and a crankshaft (38). The case has a number of cylinders (30, 32). For each of the cylinders, the compressor includes a piston (34) mounted for reciprocal movement at least partially within the cylinder. A connecting rod (36) couples each piston to the crankshaft. An electric motor compartment (50) of the case has a stator (42) and a rotor (40). The rotor is mounted to the crankshaft. The case has a wall (56) between the motor compartment and a crankcase compartment/sump (52). The wall bears a feature (120, 132; 420; 460) for coalescing oil entrained in a refrigerant flow (522), which flow exits the gap (90) between the rotor and the stator to prevent the oil from entering the cylinders.
Public/Granted literature
- US20130031929A1 Reciprocating Refrigeration Compressor Oil Separation Public/Granted day:2013-02-07
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