# US 2021/0277638 A1 · Flow regulator > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0277638 A1 - Document ID: US20210277638A1 - Status: Published application - Kind: A1 - Application number: 16/624,608 - Filed: 2018-06-20 - Published: 2021-09-09 - Earliest claimed: 2017-09-06 - Assignees: Neoperl GmbH - Applicants: Neoperl GmbH - Inventors: Alexander STEIN; Gerhard BLUM; Oliver DENZLER - Web page: https://patentgrep.com/patent/US20210277638A1 ## CPC - E03C 1/084: Jet regulators with aerating means - E03C 1/086: Jet regulators or jet guides, easily mountable on the outlet of taps - E03C: DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER (not connected to either water-supply main or to waste pipe A47K; devices of the kind used in the ground E03B, E03F); SINKS ## Abstract A jet regulator (104) that has a jet regulator housing (1) which on the housing external circumference thereof has an external thread (2) for screw-fitting into an internal thread (3) in the water outlet (4) of a sanitary outlet fitting. The jet regulator (104) includes a housing part-region of the jet regulator housing (1) that is disposed on the outflow side of the external thread (2) in the direction towards the internal circumference of the water outlet (4) that is angled in such a manner that a drainage annular space (8) is formed between said housing part-region and the internal circumference of the water outlet (4). ## Claims ### Claim 1 A jet regulator (101, 104, 111, 115, 127, 130) comprising: a jet regulator housing (1) which on a housing external circumference thereof, spaced apart from an outflow-side housing end side, has an external thread (2) adapted screw-fitting into an internal thread (3) in a water outlet (4) of a sanitary outlet fitting; a housing part-region of the jet regulator housing (1) that is disposed on an outflow side of the external thread (2) in a direction towards an internal circumference of the water outlet (4) is angled and is adapted to form T a drainage annular space (8) between said housing part-region and an internal circumference of the water outlet (4). ### Claim 2 (depends on 1) The jet regulator according to claim 1, wherein an outflow-side housing end periphery of the jet regulator housing (1) is configured as a lip seal (21) which is configured to bear on the internal circumference of the water outlet (4), or lies close to the internal circumference of the water outlet (4). ### Claim 3 (depends on 1) The jet regulator according to claim 1, wherein the jet regulator (101, 104, 111, 115, 127, 130) is configured as a jet aerator which is configured to mix water flowing therethrough with ambient air, and a housing portion of the jet regulator housing (1) that is disposed on an outflow side of the external thread (2), has at least one aeration opening (9) that is provided on the housing circumference or on the housing end side of the jet regulator housing (1). ### Claim 4 (depends on 3) The jet regulator according to claim 3, wherein the jet regulator housing (1) is formed from at least first and second housing parts (10, 11) that are connectable to one another. ### Claim 5 (depends on 4) The jet regulator according to claim 4, wherein the first housing part (10) that is disposed on the outflow side supports the external thread (2). ### Claim 6 (depends on 5) The jet regulator according to claim 5, wherein the outflow-side first housing part (10) on an inflow side thereof is connectable to the second housing part (11) of the jet regulator housing (1), said second housing part (11) supporting a jet splitter which is configured to split water flowing therethrough into a multiplicity of individual jets. ### Claim 7 (depends on 6) The jet regulator according to claim 6, wherein the jet regulator is configured as a diffuser which has a cup-shaped jet splitter insert (12) which on a cup circumference of a cup shape thereof has a plurality of splitter openings (13) and which has a cup base (14) which is configured as an impact face that is configured to deflect inflowing water towards the splitter openings (13). ### Claim 8 (depends on 7) The jet regulator according to claim 7, wherein the second housing part (11) encompasses the jet splitter insert (12), and the second housing part (11) at least in region of the openings (13), which are cylindrical, tapers in such that an annular gap (15) which on the outflow side tapers towards an annular opening (16) that opens into a housing interior is formed between the jet splitter insert (12) and a housing internal circumference of the second housing part (11). ### Claim 9 (depends on 1) The jet regulator according to claim 1, further comprising a sleeve-shaped guide wall (17) in the jet regulator housing (1), at least one aeration duct (18) which extends from at least one aeration opening (9) that is disposed on the housing outflow side or on the housing circumference to the housing interior, and the at least one aeration duct is located between the housing internal circumference of the jet regulator housing (2) and the guide wall (17). ### Claim 10 (depends on 9) The jet regulator according to claim 9, further comprising at least one drainage opening (22) which from the drainage annular space (8) leads to to at least one of the aeration ducts (18), and the at least oe drainage opening is located in a partial-region of the housing wall of the jet regulator housing (1) that is disposed between the outflow-side housing end side and the external thread (2). ### Claim 11 (depends on 1) The jet regulator according to claim 1, wherein the jet regulator housing (1) on the housing external circumference thereof as the external thread (2), has a thread profile which at least in regions deviates from a thread groove that in a helical manner continuously encircles a cylindrical wall and which in said region is adapted to interact in a shape-adapted manner with an internal thread (3) provided in the water outlet (4). ### Claim 12 (depends on 1) The jet regulator according to claim 1, wherein the jet regulator housing (1) has at least one cross-sectional widening (6, 7) which is materially identical and moulded so as to be integral to a housing portion of the jet regulator housing (1) that supports the external thread (2), which cross-sectional widening (6, 7) is adapted to be brought to bear on at least one of an end side or the internal circumferential side of the water outlet (4). ### Claim 13 (depends on 1) The jet regulator according to claim 1, wherein an external envelope circle of the external thread (2) on the jet regulator housing (1) that is specified for screw-fitting into the in the cylindrical internal thread widens conically towards the outflow side. ### Claim 14 (depends on 1) The jet regulator according to claim 1, further comprising at least one moulding (26, 28) which serves as a liquids bulkhead and which projects into at least one thread groove of the external thread (2) provided on the housing external circumference of the jet regulator housing (1). ### Claim 15 (depends on 14) The jet regulator according to claim 14, wherein the at least one moulding (26, 28) reaches up to an envelope circle enveloping the external thread (2) or at least in regions projects beyond said envelope circle. ### Claim 16 (depends on 14) The jet regulator according to claim 14, wherein the at least one moulding is configured as a separation wall (26) that extends across at least two neighbouring thread grooves of the external thread. ### Claim 17 (depends on 16) The jet regulator according to claim 16, wherein the at least one separation wall (26) extends approximately axially parallel to a housing longitudinal axis of the jet regulator housing (1). ### Claim 18 (depends on 14) The jet regulator according to claim 14, wherein the at least one moulding (28) is cam-shaped, and the cam-shaped moulding (28) in the thread groove extends approximately in a groove longitudinal direction. ### Claim 19 (depends on 1) The jet regulator according to claim 1, wherein thread profile of the external thread (2) that projects beyond the thread groove widens at least in regions. ### Claim 20 (depends on 12) The jet regulator according to claim 12, wherein the at least one cross-sectional widening (6; 7) projects with a flange shape on the housing external circumference of the jet regulator housing (1). ### Claim 21 (depends on 20) The jet regulator according to claim 20, wherein the at least one flange-shaped cross-sectional widening (6; 7) in the housing circumferential direction of the jet regulator housing extends across at least one drainage opening (22). ### Claim 22 (depends on 21) The jet regulator according to claim 21, wherein the at least one flange-shaped cross-sectional widening (6; 7) on the housing external circumference of the jet regulator housing is provided between the external thread and the at least one drainage opening (22). ### Claim 23 (depends on 21) The jet regulator according to claim 21, wherein the flange-shaped cross-sectional widening (7) is configured as an annular flange that encircles the jet regulator housing (1). ### Claim 24 (depends on 21) The jet regulator according to claim 21, wherein the at least one flange-shaped cross-sectional widening (6; 7) is configured as a screw-fitting detent which delimits a screw-fitting of the external thread (2) into the internal thread (3) in the water outlet (4) of the outlet fitting. ### Claim 25 (depends on 9) The jet regulator according to claim 9, further comprising a mesh or a net structure (23) formed from webs (24, 25) that intersect one another at intersection nodes (23) integrally moulded to the guide wall (17) on the outflow side. ### Claim 26 (depends on 25) The jet regulator according to claim 25, wherein the guide wall (17) is connected rotationally fixed to the jet regulator housing (1) on the outflow side, and at least one tool engagement face for a driving tool is provided on at least one of the guide wall (17) or on the mesh or net structure (23). ### Claim 27 (depends on 26) The jet regulator according to claim 26, wherein the at least one tool engagement surface comprises at least one slot-shaped recess (29) which is delimited by opposite slot longitudinal walls which form tool engagement faces for insertion of the driving tool in the mesh or net structure. ### Claim 28 (depends on 1) The jet regulator according to claim 1, wherein the jet regulator (101, 104, 111, 115, 127, 130) is designed to be free of and is adapted to be installed without an annular seal that is produced from an elastic material so as to be separate from the jet regulator housing (1). ### Claim 29 (depends on 6) The jet regulator according to claim 6, wherein the jet splitter is configured as a perforated plate (30) which has splitter openings (31). ### Claim 30 (depends on 29) The jet regulator according to claim 29, wherein the splitter openings (31) at least in regions taper in a throughflow direction. ### Claim 31 (depends on 30) The jet regulator according to claim 30, further comprising an insert part (32, 33) disposed downstream in a flow direction of the jet splitter and spaced apart therefrom, said insert part (32, 33) having a mesh or net structure from webs that intersect one another at intersection nodes. ### Claim 32 (depends on 31) The jet regulator according to claim 31, wherein the mesh or net structure that is provided in the at least one insert part (32, 33) has throughflow openings (24). ### Claim 33 (depends on 32) The jet regulator according to claim 32, wherein the throughflow openings (24) have at least one of honeycomb-shaped or hexagonal opening cross sections. ### Claim 34 (depends on 31) The jet regulator according to claim 31, wherein the mesh or net structure provided in the at least one insert part (32, 33) has at least two first webs which at the intersection nodes intersect a group of second webs. ### Claim 35 (depends on 34) The jet regulator according to claim 34, wherein the mesh or net structure is formed from at least two concentrically encircling webs which are connected to a group of radial webs. ### Claim 36 (depends on 31) The jet regulator according to claim 31, wherein the mesh or net structure that is provided in the at least one insert part (32, 33) is formed by a group of axially parallel first webs which intersect a group of axially parallel second webs which are disposed at an angle in relation to said group of axially parallel first webs. ### Claim 37 (depends on 31) The jet regulator according to claim 31, wherein the mesh or net structure that is provided in the at least one insert part (32, 33) are formed from webs which are mutually disposed at an angle in such a manner such that the mesh or net structure is formed in an ornamental manner from non-uniformly shaped throughflow openings.