公开(公告)号：US20020106280A1

公开(公告)日：2002-08-08

申请号：US10021412

申请日：2001-12-12

Applicant: Pulsar Process Measurement Limited

Inventor： Keith Beard ,  Paul Lewis ,  Steven Lycett ,  Sang Tran

IPC: F04B041/06

CPC classification number: F04D15/029 ,  F04B2203/0214

Abstract: A method for controlling the operation of one or more electrically-operated pumps (11, 12) to pump a liquid from a well or sump (10) which, in use, receives a substantially continuous inflow of said liquid, characterized in that the method includes the step of starting or stopping each pump in relation to the approach of a change of tariff for the electricity supplied for the operation of each said pump (11, 12).

Abstract translation: 一种用于控制一个或多个电动泵（11,12）的操作以从井或贮槽（10）泵送液体的方法，所述井或贮槽在使用中接收所述液体的基本上连续的流入，其特征在于，所述方法 包括相对于为每个所述泵（11,12）的操作供应的电力改变关税的方法启动或停止每个泵的步骤。