发明名称 PISTON MACHINE FOR USE AS A VACUUM PUMP FOR MEDICAL PURPOSES
摘要 The invention relates to a piston machine (10, 40) which comprises at least a cylinder (12a, 12b) and a cylinder head (18a, 18b) closing an opening of the cylinder (12a, 12b). Further, the piston machine (10, 40) has a piston (22a, 22b) arranged, at least in part, within the cylinder (12a, 12b) and arranged movably in its longitudinal direction with the aid of a connecting rod (28a, 28b). The piston (22a, 22b) has an opening extending in its longitudinal direction, within which at least a partial area of a guiding element (30a, 30b) firmly connected to the cylinder head (18a, 18b) is arranged.
申请公布号 US2011132190(A1) 申请公布日期 2011.06.09
申请号 US20100948833 申请日期 2010.11.18
申请人 MAQUET GMBH & CO. KG 发明人 KOCH GUIDO
分类号 F01B31/26;F16J10/02 主分类号 F01B31/26
代理机构 代理人
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