| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To obtain a coupling structure capable of strongly coupling a diaphragm pump and a flow passage plate especially in an inner area of the diaphragm. <P>SOLUTION: In this coupling structure of a diaphragm pump and a flow passage plate, at least one stationary protrusion positioned inside a plane shape of a diaphragm is projected on a housing having an intake port and an emission port of a diaphragm pump, and a through-hole fitted with the stationary protrusion is formed on the flow passage plate. A stationary tool for bringing the flow passage plate into contact with the diaphragm housing is engaged with the stationary protrusion projecting from the through-hole. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
