作者: Daniel D. Caris , Sanford F. Campbell
DOI:
关键词: Inlet 、 Water supply 、 Relief valve 、 Flow (psychology) 、 Engineering 、 Backup 、 Waste management
摘要: A backup valve for use with a pool cleaner coupled to source of water under pressure, comprising: housing having an inlet and at least one outlet; pressure inducing apparatus in the direct flow into greater than that supplied by supply.