Patent ID: 9551344
Date: 2017-01-24
CPC Classifications: F04B,F04D,F05D

Claim:
1. A pumping system for at least one aquatic application, the pumping system comprising: a pump; a motor coupled to the pump; an interface associated with the pump designed to receive input instructions from a user; and a controller in communication with the motor, the controller designed to detect and respond to a blockage condition, which is at least one of an entrapment condition or a deadhead condition, based on a power consumption value of the motor, and further including an auto-restart function that is designed to allow the pump to automatically restart after detection of the blockage condition, the controller undertaking a fast detection method in response to the entrapment condition and the controller undertaking a slow detection method in response to the deadhead condition, the fast detection method designed to alert the controller upon a first occurrence of a blockage event and the slow detection method designed to alert the controller upon a plurality of blockage events.