Patent ID: 6464474
Filing Date: 2002-10-15
Classification: F04B,F05C

Abstract:
Diaphragm pump comprising:a pump lid, a pump housing, a hydraulically driven diaphragm arranged between the pump housing and the pump lid, the diaphragm delimiting a hydraulic chamber from a delivery chamber and being clamped at a circulating rim, at least one of a first insert part located on a side of the pump lid and limiting the delivery chamber and a second insert part between the pump lid and the pump housing located on a side of the pump housing and limiting the hydraulic chamber, the diaphragm at the circulating rim being clamped between two of the pump housing, the pump lid, the first insert part and the second insert part, the first and the second insert parts, together with one of the pump lid and the pump housing, constituting tight sealing points for the diaphragm.