| 摘要 |
The present invention includes methods and apparatuses for operating and controlling AOD pumps (10,10', 10", 100, 460, 580, 740) and other pumps. AOD pumps are Air Operated Diaphragm pumps. The AOD pumps of this invention include first and second diaphragm members connected to operate together by a shaft (26). The diaphragms operate in pump chambers (20) which are divided into a fluid side (40) and an air side (42). |
