Ejector pump having an electromagnetic motive fluid valve

摘要

An ejector pump which is used with a suction disk for carrying an article. In the bore of a pump body, there are fitted a nozzle block having a nozzle opening and an ejector block which has an ejector opening aligned with the nozzle opening of the nozzle block, so that suction chamber formed between the nozzle opening and the ejector opening may communicate with a suction port which is formed in one side of the pump body. In the bore of the pump body, too, is disposed an electromagnetic valve which has a moving member for opening and closing the entrance of the nozzle opening with its leading end position.