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专利名称：DIAPHRAGM PUMP
发明人：LEHRKE, KENNETH, E.,HEMBREE, RICHARD,
D.
申请号：EP04752392申请日：20040513公开号：EP1625301A4公开日：20071003
摘要：A diaphragm pump which overcomes the problem of diaphragm failure due tooverfill of the oil transfer chamber. An overfill preventive element in the form of amechanical stop, a fully closed coil spring, or a valve system, or alternatives are provided.
申请人：WANNER ENGINEERING, INC.
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