| 摘要 |
PCT No. PCT/SE94/00313 Sec. 371 Date Dec. 11, 1995 Sec. 102(e) Date Dec. 11, 1995 PCT Filed Apr. 8, 1994 PCT Pub. No. WO94/24437 PCT Pub. Date Oct. 27, 1994The diaphragm pump includes a housing having an opening defined at one end. A diaphragm is attached to the housing and extends over the opening. An inlet is defined in the housing for receiving a fluid and a driving element is attached to the housing and in driving engagement with the diaphragm to vibrate the diaphragm. An orifice is defined in the diaphragm to permit a discharge of the fluid therethrough when the diaphragm is in vibration. A spring is disposed within the housing for biasing a plunger towards the diaphragm so that the plunger sealingly engages the diaphragm. |
