Patent ID: 7104263

Claim:
A detergent supply system for a kitchen hood having distribution pipes, collection pipes, drain pipes and spray nozzles, the detergent supply system comprising: a mounting case having a top; a bottom; an outer wall; an inner opening; an interior; an access panel pivotally attached to the mounting case to close the inner opening; a hanging rack attached inside the interior of the mounting case, and having a top; two ends; and two hooks formed respectively at the ends; at least one pipe mounted through the mounting case and the hanging rack and adapted to connect to drain pipes in the kitchen hood; and a bracket attached inside the interior of the mounting case; a detergent dispenser mounted on the interior of the mounting case and having a top; a bottom; two ends; and a pump connected to one end of the detergent dispenser, communicating with the detergent dispenser and having a discharge tube extending from the pump and adapted to connect to distribution pipes in the self-cleaning kitchen hood; a wastewater collector that is a rectangular sink, and being detachably attached to the hanging rack under the at least one drainpipe, said wastewater collector comprising: a top opening; a front face; two ends; and two ears formed respectively at the ends of the wastewater collector to engage the hooks on the hanging rack; and a detergent reservoir detachably mounted on the bracket and having a discharge tube communicating with the detergent dispenser; and a discharge valve mounted in the discharge tube.