| 摘要 |
PURPOSE:To reduce the water hammer phenomenon so as to enable the durability of the device to be improved by providing solenoid valves for controlling injection of shower water from plural nozzles, and using a controller to perform overlap opening operation by which either one of the solenoid valves is opened before another one of solnoid valves is closed. CONSTITUTION:Shower nozzles 2a-2d are mounted to the ends of respective branch pipes 5a-5d, and solenoid valves 1a-1d are provided and then a controller 3 programmed performs operation called overlap opening operation by which either one of the solenoid valves is always opened before another one of the solenoid valves is closed. The water hammer phenomenon is thereby and pressures and vibrations exerted on the piping and the solenoid valves are also reduced, and thus the shower device is improved in durability. In addition, a bather may have a variety of feeling without being aware of it due to program pattern control. |
