BUNRI Incorporation Patent applications |
Patent application number | Title | Published |
20130193056 | FILTERING APPARATUS - A filtering apparatus has a filter tank, a conveyer having a scraper, a primary filter, and a cylindrical rotating secondary filter. The filter tank is divided into a first filter tank portion and a second filter tank portion by the primary filter. Sludge deposited at the bottom of the first filter tank portion is conveyed toward a sludge discharge portion by a first portion of the scraper. A liquid in the first filter tank portion is filtered by the primary filter and flows into the second filter tank portion. A liquid in the second filter tank portion is filtered by the secondary filter and supplied to a clean tank. The sludge adhering to the secondary filter is dropped onto the primary filter. | 08-01-2013 |
20090184040 | Contaminated fluid recovery apparatus - A contaminated fluid recovery apparatus includes a dirty tank, a conveyor, and a drum-shaped filter unit. Inlet ports of the drum-shaped filter unit open along an axis of a magnet drum. The conveyor scrapes out an object for removal settled on a bottom portion of the dirty tank toward an exit section. The conveyor includes a lower portion which moves along the bottom portion and an upper portion which passes over the lower portion. The magnet drum is located horizontally between the lower portion and the upper portion of the conveyor so that its axis is perpendicular to a direction of travel of the conveyor. The magnet drum is driven by a chain of the conveyor. | 07-23-2009 |