发明名称 |
PISTON ASSEMBLY FOR A REFRIGERANT COMPRESSOR |
摘要 |
A piston assembly for a reciprocating piston type compressor includes a piston slidably disposed within aluminum alloy cylinders. The pistons have two annular grooves provided toward opposite ends on their outer peripheral surfaces. A conical shaped piston ring formed of resin and having an outer diameter larger than the outer diameter of the piston is disposed in each groove. The conical shaped piston ring creates a gap between the piston and cylinder to prevent direct contact between the piston and cylinder to thereby avoid abnormal wearing while effectively maintaining the flow of lubricating oil from the cylindrical chamber to the crank chamber. |
申请公布号 |
DE3474710(D1) |
申请公布日期 |
1988.11.24 |
申请号 |
DE19843474710 |
申请日期 |
1984.12.20 |
申请人 |
SANDEN CORPORATION |
发明人 |
HATAKEYAMA, HIDEHARU;TAKAHASHI, HIDENAO |
分类号 |
F04B39/00;F04B39/04;F16J9/20;(IPC1-7):F04B39/04;F04B27/08 |
主分类号 |
F04B39/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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