| 摘要 |
PROBLEM TO BE SOLVED: To provide a jet bath device capable of securing the starting torque a stepping motor requires when driving of a valve element is started. SOLUTION: A bath water inlet 2 and a bath water outlet 3 are disposed in a bathtub 1. The inlet 2 and the outlet 3 are connected by a circulation conduit 4, and a pump 5 and a the control valve 6 for controlling the water flow jetted from the outlet 3 are disposed on the way of the circulation conduit 4. The control valve 6 comprises the inflow channel 63, the plurality of outflow channels 7, the valve element 62 for changing the state of communication of the inflow channel 63 with the outflow channels 7, and the stepping motor 8 for driving the valve element 62. In the jet bath device, the length of the pulse of the first pulse signal to be input in the stepping motor when the driving of the valve element is started is longer than a regular pulse. COPYRIGHT: (C)2007,JPO&INPIT
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