Patent ID: 7770589

Claim:
A self cleaning eductor comprising: an eductor comprising: a chamber comprising: an upper portion comprising an inner side wall and a first diameter; a throat portion positioned beneath the upper portion, the throat portion comprising an inner side wall and a second diameter, wherein the second diameter is less than the first diameter; and a lower portion comprising an inner side wall and a third diameter, wherein the third diameter is larger than the second diameter; a water inlet in communication with a water nozzle for providing a water supply into the upper portion of the chamber; and a material intake positioned above the water inlet for providing particulate matter into the chamber; and a mounting bar above the water inlet and in the path of the material intake of the eductor; an elongated, flexible device having a first end and a second end, the first end extending from the mounting bar, and the second end carrying a pendulum weight, wherein when water from the water supply enters the chamber through the water inlet, the water activates the movement of the elongated, flexible device sufficient enough such that a portion of the elongated, flexible device strikes the inner side wall of the upper portion, the inner side wall of the throat portion, and the inner side wall of the lower portion dislodging particulate matter accumulated thereon in proximity to the location of the strikes.