| 摘要 |
PURPOSE:To surely supply air, by utilizing a diaphragm and spring for an air supply system and combining a jet pump to the air supply system. CONSTITUTION:A connection port 14a of an air suplier 14 and a suction side 16c of a jet pump 16 are connected by a water suction lead pipe 19, and a drive side 16a of the jet pump 16 is connected by a water feed pipe 17 to a water distributor pipe 11 in the downstream side from a check valve 13. Connected to the delivery side of a pressure tank or pump 1, while a delivery side 16b is connected by a water drain pipe 18, connected with an automatic valve on the way, to the upstream side from the pump 1. A diaphragm 14d is operated in accordance with opening and closing of the automatic valve 20, and air sucked from an air suction port 14K flows through an air supply pipe 10, and is supplied into the pressure tank 2. |
