# US 11,028,807 B2 · Bowl for filter assemblies > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,028,807 B2 - Document ID: US11028807B2 - Status: Granted - Kind: B2 - Application number: 16/343,120 - Filed: 2016-10-21 - Published: 2019-10-17 - Granted: 2021-06-08 - Earliest claimed: 2016-10-21 - Assignees: Cummins Filtration IP, Inc. - Applicants: Cummins Filtration IP, Inc. - Inventors: Gérard Malgorn - Web page: https://patentgrep.com/patent/US11028807B2 ## CPC - B01D 36/005: {Liquid level sensing means, e.g. for water in gasoil-filters} - F02M 37/22: Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system - B01D 29/21: with corrugated, folded or wound sheets - B01D 29/608: {by temperature measuring} - B01D 35/18: Heating or cooling the filters - B01D 35/30: Filter housing constructions - B01D 36/006: {Purge means} - B01D 46/2414: {End caps including additional functions or special forms} - B01D 2201/295: with projections extending in a radial outward direction, e.g. for use as a guide, spacing means - B01D 2201/309: Housings with transparent parts - B01D 2201/342: Axial sealings - B01D 2201/347: Radial sealings - B01D 2201/4084: Snap or Seeger ring connecting means - B01D 2201/4092: Threaded sections, e.g. screw - B01D 2201/56: Wireless systems for monitoring the filter - B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28) - F02M: SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF ## Abstract A filter assembly comprises a housing defining an internal volume. A housing second end of the housing defines at least one female thread. A bowl is positioned at the housing second end The bowl comprises at least one bowl male thread structured to engage the at least one female thread of the housing so as to be coupled thereto. ## Claims ### Claim 1 A filter assembly, comprising: a housing defining an internal volume, a housing second end of the housing defining at least one female thread; and a bowl positioned at the housing second end, the bowl comprising at least one bowl male thread structured to engage the at least one female thread of the housing so as to be coupled thereto, the bowl comprising a first port and a second port; wherein a portion of a sidewall of the housing at the housing second end is folded inwards and positioned within the internal volume of the housing. ### Claim 2 (depends on 1) The filter assembly of claim 1, further comprising a filter element positioned within the internal volume of the housing. ### Claim 3 (depends on 1) The filter assembly of claim 1, wherein the housing comprises a plurality of indentations provided on an outer surface of the housing second end. ### Claim 4 (depends on 3) The filter assembly of claim 3, wherein the housing comprises at least one housing male thread provided on the outer surface of a housing first end of the housing opposite the housing second end. ### Claim 5 (depends on 3) The filter assembly of claim 3, wherein the portion of the sidewall is parallel to the plurality of indentations. ### Claim 6 (depends on 5) The filter assembly of claim 5, wherein the portion of the sidewall is positioned such that a gap is defined between the plurality of indentations and the portion of the sidewall. ### Claim 7 (depends on 5) The filter assembly of claim 5, further comprising a ledge extending from an end of the portion of the sidewall towards a longitudinal axis of the filter assembly, the ledge positioned within the internal volume of the housing and defining the at least one female thread. ### Claim 8 (depends on 1) The filter assembly of claim 1, wherein the bowl is formed from at least one of a translucent or a transparent material. ### Claim 9 (depends on 1) The filter assembly of claim 1, wherein the bowl comprises a bowl groove positioned circumferentially about an outer surface of the bowl below the at least one bowl male thread. ### Claim 10 (depends on 9) The filter assembly of claim 9, further comprising a sealing member positioned within the bowl groove so as to provide a seal between the housing and the bowl. ### Claim 11 (depends on 10) The filter assembly of claim 10, wherein the filter assembly does not comprise a nut plate coupling the housing to the bowl. ### Claim 12 (depends on 1) The filter assembly of claim 1, wherein: the first port structured to receive a drain plug or a drain valve; and the second port structured to receive a water-in-filter sensor, wherein the first port and second port have the same shape and size. ### Claim 13 (depends on 1) The filter assembly of claim 1, wherein the bowl further comprises a plurality of axial ribs provided on an outer surface of the bowl. ### Claim 14 (depends on 1) The filter assembly of claim 1, wherein the at least one female thread is inwardly facing towards the internal volume. ### Claim 15 A shell housing for a filter element, the shell housing comprising: a sidewall having a first end and a second end, the sidewall defining an internal volume configured to receive the filter element; the first end comprising at least one outwardly facing male thread configured to removably secure the shell housing to a filter head; the second end comprising at least one inwardly facing female thread configured to removably secure a bowl to the second end; and a plurality of indentations formed on an outer surface of the sidewall; wherein a portion of the sidewall at the second end is folded inwards and positioned within the internal volume of the housing. ### Claim 16 (depends on 15) The shell housing of claim 15, wherein the portion of the sidewall is parallel to the plurality of indentations. ### Claim 17 (depends on 16) The shell housing of claim 16, wherein the portion of the sidewall is positioned such that a gap is defined between the plurality of indentations and the portion of the sidewall. ### Claim 18 (depends on 16) The shell housing of claim 16, further comprising a ledge extending from an end of the portion of the sidewall towards a longitudinal axis of the shell housing, the ledge positioned within the internal volume of the housing and defining the at least one female thread. ### Claim 19 (depends on 16) The shell housing of claim 16, wherein the portion of the sidewall comprises the at least one inwardly facing female thread. ### Claim 20 (depends on 15) The shell housing of claim 15, wherein the sidewall has a circular cross-sectional shape.