|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||417/393 ; 417/395|
|발명자 / 주소|
|인용정보||피인용 횟수 : 39 인용 특허 : 0|
A multi-diaphragm metering pump having first and second diaphragms mounted in a body in substantially parallel relationship, wherein an open fluid communication path is provided within the body between adjacent sides of the diaphragms and wherein each diaphragm forms a sealed wall within the body. A diaphragm stem connects the diaphragms, such that movement of the first diaphragm will cause movement of the second diaphragm substantially in unison. A source of pressurized fluid is intermittently injected into and exhausted from a remote side of the first ...
A multi-diaphragm metering pump, comprising: first and second diaphragms mounted in a body in substantially parallel relationship and having adjacent sides and remote sides, wherein an open fluid communication path is provided within said body between said adjacent sides; means for connecting said adjacent sides for movement of the diaphragms substantially in unison; means for pressurizing the remote side of the first diaphragm for causing movement of the first diaphragm; and means in said body for communicating a transient fluid to be pumped to the remo...