Patent ID: 8898853
Filing Date: 2014-12-02
Classification: B08B

Abstract:
1. A method comprising the steps of: suctioning material by a vacuum unit; during suctioning, collecting said suctioned material in a collection and discharge unit coupled to said vacuum unit; wherein said collecting includes the steps of collecting said suctioned material in a primary collection tank which is vertically stacked above a discharge tank, and directing an amount of said suctioned material through said primary collection tank to and through said discharge tank; collecting an overflow portion of said suctioned material in a reserve collection tank when said suctioned material exceeds capacity of said primary collection tank; channeling a suctioning force through said primary collection tank and said reserve collection tank of said collection and discharge unit to said vacuum unit; and during suctioning, discharging automatically said amount of said suctioned material from said collection and discharge unit.