1. Field of the Invention
The present invention relates to an oil filtering device, particular to a green cascade-type device for intercepting and filtering oil fumes.
2. Description of the Related Art
Referring to
The object of the present invention is to provide a green cascade-type device for intercepting and filtering oil fumes which cooperates the filter with the housing that creates water bloom during the entry of the oil fumes into the housing to obtain a double removal of oil molecules, thereby promoting a filtering and intercepting quality of oil fumes. The present invention also cleans the housing and the filter automatically in order to save water, prevent fires, enhance the oil intercepting rate, and attain the using convenience.
The green cascade-type device for intercepting and filtering oil fumes in accordance with the present invention comprises a housing, a filter disposed in the housing, a water inlet pipe as well as a drain pipe extending into an interior of the housing, respectively. Wherein, the housing includes at least one external plate and an internal plate disposed opposite to the external plate. The filter is disposed on the internal plate. A rinsing liquid is disposed at a lower part of the housing. A height of the rinsing liquid is higher than a bottom edge of the external plate. An exhausting space is defined between the housing and the filter, and a cascading space is defined between the filter and the external plate, whereby the cascading space is closed and enclosed by the housing, the internal plate, the filter, the external plate, and the rinsing liquid. A wind entrance is defined between a lower portion of the external plate and the housing. The wind entrance is communicated with the cascading space. Accordingly, when the air in the exhausting space is drawn, the exhausting space and the cascading space are formed into a negative state to allow oil fumes to be sucked into the cascading space for passing the rinsing liquid, which causes the rinsing liquid to flush and collide with the filter and create water bloom. Therefore, the temperature of the oil fumes is decreased by the water bloom in the cascading space, and partial oil molecules of the oil fumes are adhered to the water bloom to obtain a first filtering effect. When the oil fumes further pass the filter, a more violent collision between the oil fumes and the filter allows the oil molecules to be adhered to the filter again so that the oil molecules fall off to the rinsing liquid by the scouring of the water bloom to obtain a second filter effect. The scouring of the rinsing liquid also washes the filter and the interior of the housing automatically to maintain the cleanliness of the device, save water, prevent fires, and increase the oil filtering rate and using convenience.
Preferably, a guiding covering can be disposed outward from the housing.
Preferably, the device is installed in a cooking platform which includes a sucking conduit connected to the wind entrance and a drawing conduit connected to the exhausting space.
Preferably, a discharging conduit is disposed at a bottom of the housing.
Preferably, the water inlet pipe is connected to an automatic water inlet device which includes a water tank, a floating unit disposed in the water tank, and a water inlet valve whose on-off operation is driven by the floating unit.
Preferably, a transparent window is disposed on the external plate.
Preferably, a handle is disposed on the external plate, whereby the external plate can be easily detached from the housing by using the handle.
Preferably, an exhaust fan apparatus is connected to the exhausting space for drawing air in the exhausting space.
The advantages of the present invention over the known prior arts will become more apparent to those of ordinary skilled in the art upon reading the following descriptions in junction with the accompanying drawings.
The drain pipe 34 is located at the lower part of the housing 31 and inserted into the interior of the housing 31. A height of the place where the drain pipe 34 is arranged is higher than the bottom edge of the external plate 311, which not only allows the height of the rinsing liquid A to be higher than the bottom edge of the external plate 311 but allows the portion of the rinsing liquid A whose height is higher than the drain pipe 34 to be automatically flowed into the drain pipe 34 for discharging. Further, a discharging conduit 35 is preferably disposed at a bottom of the housing 31, so that the user can completely drain the rinsing liquid A out of the housing 31 via the discharging conduit 35 if necessary. Preferably, the water inlet pipe 33 can be connected to an automatic water inlet device 36. In this preferred embodiment, the automatic water inlet device 36 is disposed on the guiding covering 4. The device 36 includes a water tank 361 connected to the water inlet pipe 33, a floating unit 362 disposed in the water tank 361, and a water inlet valve 363 whose on-off operation is driven by the floating unit 362. Therefore, the rinsing liquid A within the housing 31 can be automatically supplemented by the water tank 361 to level the height of the rinsing liquid A with the drain pipe 34. An exhaust fan apparatus 6 is preferably disposed on the housing 31 and connected to the exhausting space 313 of the housing 31. Alternatively, it is adopted that a pipe 61 is arranged between the exhaust fan apparatus 6 and the housing 31 for drawing air in the exhausting space 313.
Referring to
Referring to
To sum up, the present invention takes advantage of concatenation between the housing, the filter, the water inlet pipe, and the drain pipe to form a negative pressure in the cascading space at the stage of drawing air in the exhausting space, whereby oil fumes sucked by the wind entrance are subject to the rinsing liquid to decrease the oil molecules thereof. When the oil fumes enter the cascading space, the rinsing liquid is raised and blown in the cascading space to form water bloom for combing with oil molecules, thereby obtaining a double removal of oil molecules of the oil fumes. The water bloom also cleans the filter and the interior of the housing automatically to maintain the cleanliness of the device and attain effects of saving water, avoiding fires, promoting an oil intercepting and filtering rate, and increasing the using convenience.
While we have shown and described the embodiment in accordance with the present invention, it should be clear to those skilled in the art that various modifications maybe made in further embodiments described without departing from the spirit and scope of the invention.
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Number | Date | Country | |
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20150059582 A1 | Mar 2015 | US |