摘要 |
<p>Docket 5989 FILL CONTROL FOR AN AUTOMATIC DISHWASHER The recirculating pump output is monitored as the pump is operated during each fill cycle, and the fill is terminated just when the desired pump output is reached. The output is less than the pump maximum and results from continuous aspiration of water and air into the pump inlet, thus using only the minimum fluid necessary, and automatically reducing fluid consumption during subsequent fills as the washing operation progresses. The pump inlet faces downwardly at the bottom of the dishwasher tank to control surging.</p> |