Pump

A pump includes: a housing; the motor is arranged in the shell; and an impeller driven by the motor and configured to form a low pressure region to draw fluid into the housing. The pump further includes a battery electrically coupled to the motor and configured to selectively supply current to the motor; and a controller operable to control operation of the motor. 一种泵，包括：壳体；马达，该马达设置在该壳体内；以及叶轮，该叶轮由该马达驱动并且被配置成形成低压区以将流体吸入到该壳体中。该泵进一步包括：电池，该电池电联接到该马达并且被配置成向该马达选择性地供应电流；以及控制器，该控制器可操作以控制该马达的操作。