Vent filter module
OwnerPaul Ellingsoninventor
Life of this patent
Estimating the term…
Abstract
A filter module is disclosed wherein the module has a three sided channel shaped water permeable frame member and a filter mat member which inserts into the frame to form a filter module which may serve as a filter element of a filter for materials discharged from cooking hood vents. The filter modules are interlocking and permit the in place fitting and assembly of the modules into filter assemblies around and/or under a cooking hood exhaust vent. The overlapping and interlocking elements of the modules provide a secure and readily serviced filter module assembly.
Claims7
A filter module comprising;
- An elongate three sided water permeable channel shaped frame structure having;
- 1) a rectangular base side having a width and a length and the width is approximately that of the width of a filter to be supported thereon,
- 2) a rectangular upstanding side having a length and a height and the height is approximately that of the height of a filter to be engaged therewith, and a first long edge of the upstanding side is joined with a first long edge of the base side, and
- 3) a rectangular top side having a length and a width and the width of the top side is less than the width of the base side and a first long edge of the top side is joined with a second long edge of the upstanding side, and
- the frame structure is nestable with a second frame structure of similar construction, and
- an elongate rectangular filter having a width approximately the width of the base side of the frame and a height approximately the height of the upstanding side of the frame and the filter is insertable into said channel shaped frame.
A filter assembly formed of four filter modules assembled around a nominally square exhaust vent and comprising;
- a) four three sided elongate water permeable channel shaped frame structures, each structure having;
- 1) a rectangular base side having a width and a length and the width is approximately that of the width of a filter to be supported thereon,
- 2) a rectangular upstanding side having a length and a height and the height is approximately that of the height of a filter to be engaged therewith, and a first long edge of the upstanding side is joined with a first long edge of the base side, and
- 3) a rectangular top side having a length and a width and the width of the top side is less than the width of the base side and a first long edge of the top side is joined with a second long edge of the upright side, and wherein,
- b) a base side of each of the four frame structures engage an adjacent frame structure at the ends of the base side so that a first end of the base side overlays an adjacent base side and at a second end the base side underlays an adjacent base side and the assembly forms a square frame having four overlapping corners around an exhaust vent,
- c) an elongate filter mat having a width approximately the width of the base side and the filter mat is laid along a base side so that at a corner the filter overlays the base side that overlays the base side along which the filter lays so as to create interlocking overlays at each corner,
- d) a top side that is folded over and pressed onto the filter mat so as to engage the top side with the filter mat so as to form an interlocking four sided filter assembly around the exhaust vent.
Dependencies are inferred from the claim text.