US3732030A - Blower wheel assembly - Google Patents
Blower wheel assembly Download PDFInfo
- Publication number
- US3732030A US3732030A US00231223A US3732030DA US3732030A US 3732030 A US3732030 A US 3732030A US 00231223 A US00231223 A US 00231223A US 3732030D A US3732030D A US 3732030DA US 3732030 A US3732030 A US 3732030A
- Authority
- US
- United States
- Prior art keywords
- wrapper
- housing
- side walls
- blower
- blower wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/424—Double entry casings
Definitions
- blower wheel housing having generally parallel side walls including an air inlet and a wrapper connecting the side walls to form a hollow chamber.
- a blower wheel is located in the housing and is axially aligned with the inlet opening. Access to the blower wheel for its removal or servicing is provided by peeling back the wrapper radially away from the blower wheel.
- the present invention relates to a blower housing construction containing a blower wheel and drive motor, and is more particularly concerned with access to the housing interior for servicing or replacement of the blower wheel and motor.
- a blower housing construction containing a blower wheel and drive motor
- the design and dimensions of a blower housing including the air inlet and outlet openings play an important part in delivering static pressure and efficiency of the blower wheel.
- the housing is further designed with a cut-off portion whose function it is to direct the air stream to the outlet area so as to prevent recirculation.
- a cut-off portion whose function it is to direct the air stream to the outlet area so as to prevent recirculation.
- a blower housing having generally parallel side walls and an airinlet opening in at least one of the side wallsjA one-piece wrapper connects the side walls to form the peripheral wall on the housing.
- the blower wheel is located in the housing and is axially aligned with the inlet opening.
- One of the ends of the peripheral wall is radially spaced from the blower while the other end is located tangentially and spaced apart from the radial end to form the outlet.
- only a portion of the wrapper including the tangentially disposed end is permanently secured to the side walls, the remaining portion of the. wrapper including the radially disposed end is arranged to rest on support means provided on the inner surface of the side walls with the radially disposed end removably attached thereto.
- the radially disposed end of the wrapper is released from the side walls and the portion of the wrapper resting on the support means is moved radially from the blower wheel without disturbing the side walls.
- FIG. 1 is a perspective elevational view of one embodiment of the invention removed from the mounting plate;
- FIG. 2 is an end elevational view of the blower housing with parts broken away to show the interior of the housing;
- FIG. 3 is an exploded perspective view showing the main parts of the blower housing in detail.
- FIG. 4 is a fragmentary sectional view taken along line 4--4 of FIG. 1.
- FIGS. 1 and 2 there is illustrated a blower housing assembly 11 employing an embodiment of the present invention.
- the blower housing 11 comprises a pair of spaced apart parallel end walls 12 and 13, each of which is shown with an air inlet 14 and 15 respectively and a one-piece wrapper 16.
- the wrapper 16 is generally scroll shaped with an outer peripheral wall 17 having its axially disposed edges 18 extending to the end walls to form a hollow housing.
- the peripheral wall 17 of wrapper l6v extends from a radially spaced end 19 and continues circumferentially to a generally flat tangentially disposed portion2l arranged parallel to a cut-off section 22 projecting radially outwardly from the end 19 and spaced therefrom to form a tangential outlet 23.
- the blower assembly 11 includes a rotatable blower 24 and a motor 26 for driving the blower wheel 24.
- the drive motor 26 is provided with an output shaft which is fastened to the center of the blower wheel partition.
- the blower 24 is supported by the drive shaft of the motor, with the motor 26 positioned on one of the air inlets in the end wall 13.
- the motor 26 is supported by a series of radially spaced supporting arms 27. Each of the arms 27 includes an ear 28 which is fastened to the arms 27 and the end wall 13 in a manner to allow air space around the motor housing and into the blower wheel.
- FIG. 1 shows one means of mounting the blower housing 11 for use in a suitable appliance.
- a mounting plate 30 suitably dimensioned and oriented to supply the proper movement of air to an appliance is provided with an air outlet or opening 31.
- Two opposite and generally parallel sides of the opening 33 are provided with the depressed tracks or support flanges 32.
- a third or rear side is provided with the similar support flange 33.
- To support the blower housing 11 on the mounting plate 30 the top edges of the side walls 12 and 14 are provided with flanges 34 which are slidably supported on tracks 32 (FIG.
- blower housing 11 may be installed or removed from the mounting plate 30 by simply sliding the flanges 34 of the housing 11 into or out along the track members 32.
- the side walls 12 and 13 have substantially straight edges or portions 37 and 38 extending downwardly from the ends of the flanges 34 and merge with a generally semi-circular or arcuate bottom edge or portion 39.
- the peripheral edges of portions 37, 38 and 39 of each end wall are bent axially outwardly to form a flange or support 41.
- a portion of the axially disposed ends 18 of the wall 16 are permanently secured as by welding or other suitable means, to the support flange 41 along the straight edge portion 38 to form the tangential wall 21 leading to the outlet 23, and continuing along arcuate portion 39 to the approximate tangent point of 39 and 37.
- the remaining portion of the wrapper 16 is provided with a reduced axial dimension so as to fit between the end walls 12 and 13 to complete the peripheral wall 17 of the housing 11.
- the side walls 12 and 13 are provided with a support means or tabs 42.
- the tabs 42 are arranged, starting generally in the area of the tangent point of 39 and 37, and continue in a line simulating a scroll shape around the inlet openings 14 and on each of the end walls 12 and 13.
- Each of the support means or tabs 42 is formed by lancing the side walls and pushing the stock below the lance axially inwardly to form a plurality of support surfaces.
- the portion of the peripheral wall 17 that is not welded to the side walls, as heretofore mentioned, is inserted between the side walls 12 and 13 and onto the support tabs as shown in FIG. 4.
- the portion of the peripheral wall 17 resting on the support tabs is removably held in this position by fastening the end 19 of the peripheral wall 17 to the side walls in the following manner.
- Holding means 43 are provided on the axial edge 18 adjacent the end 19 of the peripheral wall 17 to receive sheet metal screws 44 that are adapted to be inserted through holes 45 in the side walls 12 and 13.
- the holding means 43 consists of groups of parallel slits with the stock between the slits being offset alternately in opposite directions to form generally semi-circular tongues 46 which define in effect a recess for the reception of the screws 44.
- the screw threads and the offsetting of the tongues 46 are dimensioned so that the screw 44 is forced into the space between them to effectively hold the wrapper 16 in its scroll shape configuration.
- the portion of the side walls disposed outside of the blower housing may be provided as illustrated in FIGS. 1 and 3 with openings 47 of various dimensions and sha es.
- the openings 47 as illustrated in the present em odlment are un ized for mounting a motor capacitor 48 and quick disconnect devices 49 which would allow the removal of the blower housing from the mounting plate 30 and appliance by unplugging the electrical connections.
- Other of the openings 47 may be dimensioned to support other components that may be utilized in the operation of the appliance in which the blower housing 11 may be installed.
- the present invention provides a one piece wrapper 16 having a portion of its peripheral wall 17 arranged to be removably fastened between the side walls 12 and 13 of the housing 11 so as to be movable from a position wherein it is part of the peripheral wall of the blower housing to a position away from the blower assembly and out from between the side walls 12 and 13 to afford access to the housing interim and the blower wheel assembly for removal or servicing.
- a blower housing having generally parallel side walls, an air inlet in at least one of said side walls, a onepiece wrapper connecting said side walls to form the peripheral wall of said housing, the peripheral ends of said wrapper being spaced to provide an air outlet, a blower removably mounted in said housing, the improvement comprising:
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23122372A | 1972-03-02 | 1972-03-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3732030A true US3732030A (en) | 1973-05-08 |
Family
ID=22868270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00231223A Expired - Lifetime US3732030A (en) | 1972-03-02 | 1972-03-02 | Blower wheel assembly |
Country Status (1)
Country | Link |
---|---|
US (1) | US3732030A (en) |
Cited By (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2315023A1 (en) * | 1975-06-17 | 1977-01-14 | Torin Corp | HOUSING WITH SPIRAL PROFILE FOR CENTRIFUGAL FAN |
US4867640A (en) * | 1987-07-22 | 1989-09-19 | Broan Manufacturing Co., Inc. | Exhaust fan for bathrooms and the like |
US5052888A (en) * | 1990-07-11 | 1991-10-01 | Ibm Corporation | DC motor driven centrifugal fan |
DE4219642C1 (en) * | 1992-06-16 | 1993-10-14 | Gebhardt Ventilatoren | Ventilation device contg. blower - involves blower outlet facing room to be served having number of air guide sheets moving delivered air from middle area of room to sides |
US5690470A (en) * | 1996-10-30 | 1997-11-25 | Lennox Industries Inc. | Blower housing and apparatus for assembly thereof |
US6802770B2 (en) | 1999-12-18 | 2004-10-12 | Broan-Nutone Llc | Ventilating exhaust fan |
US20050111972A1 (en) * | 2003-11-21 | 2005-05-26 | Broan-Nutone Llc | Modular ventilating exhaust fan assembly and method |
US20050111840A1 (en) * | 2003-11-21 | 2005-05-26 | Craw Gary J. | Ventilating and heating apparatus and method |
US20050218289A1 (en) * | 2004-04-02 | 2005-10-06 | Penlesky Robert G | Fan mounting spacer assembly and method |
US20070237634A1 (en) * | 2006-04-07 | 2007-10-11 | Dometic Environmental Corporation | Quick connect flange plate |
USD618782S1 (en) | 2009-12-22 | 2010-06-29 | Broan-Nutone, Llc | Grille |
US20100183433A1 (en) * | 2007-07-17 | 2010-07-22 | Panasonic Corporation | Centrifugal Fan |
USD635238S1 (en) | 2009-07-14 | 2011-03-29 | Broan-Nutone Llc | Ventilation grille |
DE10145353B4 (en) * | 2001-09-14 | 2013-07-04 | Krones Aktiengesellschaft | Pump and method for its manufacture |
CN104196762A (en) * | 2014-08-29 | 2014-12-10 | 宁波方太厨具有限公司 | Fan volute tongue structure used for exhaust hood |
USD745652S1 (en) | 2014-01-28 | 2015-12-15 | Homewerks Worldwide, LLC | Fan grille |
USD752202S1 (en) | 2013-08-08 | 2016-03-22 | Homewerks Worldwide, LLC | Fan grille |
USD752199S1 (en) | 2014-09-22 | 2016-03-22 | Homewerks Worldwide, LLC | Bath fan with speaker |
US9344787B2 (en) | 2012-12-22 | 2016-05-17 | Homewerks Worldwide, LLC | Audio equipped fan |
USD759800S1 (en) | 2008-01-02 | 2016-06-21 | Broan-Nutone Llc | Grille |
US9398357B2 (en) | 2012-12-22 | 2016-07-19 | Homewerks Worldwide, LLC | Audio equipped fan |
US9609407B2 (en) | 2012-12-22 | 2017-03-28 | Homewerks Worldwide, LLC | Method of manufacturing an audio equipped fan assembly |
USD804627S1 (en) | 2015-05-19 | 2017-12-05 | Broan-Nutone Llc | Vent hood |
USD808001S1 (en) | 2016-03-14 | 2018-01-16 | Homewerks Worldwide, LLC | Square fan grille |
USD814009S1 (en) | 2015-05-19 | 2018-03-27 | Broan-Nutone, Llc | Vent hood |
USD815724S1 (en) | 2015-09-14 | 2018-04-17 | Broan-Nutone Llc | Ventilation grill |
USD816206S1 (en) | 2015-09-14 | 2018-04-24 | Broan-Nutone Llc | Ventilation grill |
USD820428S1 (en) | 2013-06-20 | 2018-06-12 | Broan-Nutone Llc | Range hood |
USD822821S1 (en) | 2015-09-14 | 2018-07-10 | Broan-Nutone, Llc | Ventilation grill |
USD826391S1 (en) | 2015-05-19 | 2018-08-21 | Broan-Nutone Llc | Vent hood |
USD836765S1 (en) | 2015-08-31 | 2018-12-25 | Broan-Nutone Llc | Vent hood |
USD850601S1 (en) | 2014-05-01 | 2019-06-04 | Broan-Nutone Llc | Grill element |
USD858734S1 (en) | 2015-05-19 | 2019-09-03 | Broan-Nutone Llc | Vent hood |
USD861639S1 (en) | 2015-10-06 | 2019-10-01 | Broan-Nutone Llc | Wireless speaker |
USD881375S1 (en) | 2018-05-22 | 2020-04-14 | Broan-Nutone Llc | Grille assembly for a bathroom ventilation fan |
USD883467S1 (en) | 2015-09-14 | 2020-05-05 | Broan-Nutone Llc | Ventilation grill |
USD884869S1 (en) | 2015-09-14 | 2020-05-19 | Broan-Nutone Llc | Ventilation grill |
USD886983S1 (en) | 2015-09-14 | 2020-06-09 | Broan-Nutone Llc | Ventilation grill |
USD895100S1 (en) * | 2018-12-11 | 2020-09-01 | N.P.S. Company, LLC | Air duct |
USD897521S1 (en) | 2016-10-14 | 2020-09-29 | Broan-Nutone Llc | Vent hood |
USD898896S1 (en) | 2019-01-22 | 2020-10-13 | Broan-Nutone Llc | Ventilation grille |
USD899582S1 (en) | 2019-01-22 | 2020-10-20 | Broan-Nutone Llc | Ventilation grille |
USD902372S1 (en) | 2018-11-28 | 2020-11-17 | Broan-Nutone Llc | Ventilation grille |
USD904594S1 (en) | 2015-09-14 | 2020-12-08 | Broan-Nutone Llc | Ventilation grill |
USD908200S1 (en) | 2015-09-14 | 2021-01-19 | Broan-Nutone Llc | Ventilation grill |
USD908861S1 (en) | 2018-11-28 | 2021-01-26 | Broan-Nutone Llc | Ventilation grille |
USD909560S1 (en) | 2018-11-28 | 2021-02-02 | Broan-Nutone Llc | Ventilation grille |
USD932612S1 (en) | 2019-11-26 | 2021-10-05 | Homewerks Worldwide, LLC | Fan grille |
USD932611S1 (en) | 2019-06-24 | 2021-10-05 | Homewerks Worldwide, LLC | Fan grille |
USD933194S1 (en) | 2019-06-24 | 2021-10-12 | Homewerks Worldwide, LLC | Fan grille |
USD933195S1 (en) | 2019-11-26 | 2021-10-12 | Homewerks Worldwide, LLC | Fan grille |
USD933809S1 (en) | 2019-11-26 | 2021-10-19 | Homewerks Worldwide, LLC | Fan grille |
USD943730S1 (en) | 2018-11-28 | 2022-02-15 | Broan-Nutone Llc | Ventilation grille |
USD946137S1 (en) | 2019-05-01 | 2022-03-15 | Broan-Nutone Llc | Ventilation grille |
USD946136S1 (en) | 2018-11-28 | 2022-03-15 | Broan-Nutone Llc | Ventilation grille |
USD948025S1 (en) | 2019-11-26 | 2022-04-05 | Homewerks Worldwide, LLC | Fan grille |
US11300305B2 (en) | 2019-02-15 | 2022-04-12 | Broan-Nutone Llc | Grille attachment feature for a ventilation system |
US11326792B2 (en) | 2019-02-15 | 2022-05-10 | Broan-Nutone Llc | Grille attachment system for a ventilation system |
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US927313A (en) * | 1908-10-03 | 1909-07-06 | Giles Atherton | Apparatus for curling and ironing the edges of hat-brims. |
US1609545A (en) * | 1926-12-07 | Blower housing or pan casing | ||
US1978459A (en) * | 1932-05-31 | 1934-10-30 | American Air Filter Co | Fan or blower housing |
US2482519A (en) * | 1947-07-19 | 1949-09-20 | Air Controls Inc | Square sided blower |
US3485443A (en) * | 1968-12-12 | 1969-12-23 | Trane Co | Fan scroll |
US3619080A (en) * | 1970-01-21 | 1971-11-09 | Carrier Corp | Centrifugal fan housing |
US3627442A (en) * | 1970-05-14 | 1971-12-14 | Gen Electric | Blower housing |
-
1972
- 1972-03-02 US US00231223A patent/US3732030A/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1609545A (en) * | 1926-12-07 | Blower housing or pan casing | ||
US927313A (en) * | 1908-10-03 | 1909-07-06 | Giles Atherton | Apparatus for curling and ironing the edges of hat-brims. |
US1978459A (en) * | 1932-05-31 | 1934-10-30 | American Air Filter Co | Fan or blower housing |
US2482519A (en) * | 1947-07-19 | 1949-09-20 | Air Controls Inc | Square sided blower |
US3485443A (en) * | 1968-12-12 | 1969-12-23 | Trane Co | Fan scroll |
US3619080A (en) * | 1970-01-21 | 1971-11-09 | Carrier Corp | Centrifugal fan housing |
US3627442A (en) * | 1970-05-14 | 1971-12-14 | Gen Electric | Blower housing |
Cited By (68)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2315023A1 (en) * | 1975-06-17 | 1977-01-14 | Torin Corp | HOUSING WITH SPIRAL PROFILE FOR CENTRIFUGAL FAN |
US4867640A (en) * | 1987-07-22 | 1989-09-19 | Broan Manufacturing Co., Inc. | Exhaust fan for bathrooms and the like |
US5052888A (en) * | 1990-07-11 | 1991-10-01 | Ibm Corporation | DC motor driven centrifugal fan |
DE4219642C1 (en) * | 1992-06-16 | 1993-10-14 | Gebhardt Ventilatoren | Ventilation device contg. blower - involves blower outlet facing room to be served having number of air guide sheets moving delivered air from middle area of room to sides |
US5690470A (en) * | 1996-10-30 | 1997-11-25 | Lennox Industries Inc. | Blower housing and apparatus for assembly thereof |
US6802770B2 (en) | 1999-12-18 | 2004-10-12 | Broan-Nutone Llc | Ventilating exhaust fan |
DE10145353B4 (en) * | 2001-09-14 | 2013-07-04 | Krones Aktiengesellschaft | Pump and method for its manufacture |
US20050111972A1 (en) * | 2003-11-21 | 2005-05-26 | Broan-Nutone Llc | Modular ventilating exhaust fan assembly and method |
US6979169B2 (en) | 2003-11-21 | 2005-12-27 | Broan-Nutone Llc | Modular ventilating exhaust fan assembly and method |
US20060073008A1 (en) * | 2003-11-21 | 2006-04-06 | Broan-Nutone Llc | Modular ventilating exhaust fan assembly and method |
US7203416B2 (en) | 2003-11-21 | 2007-04-10 | Broan-Nutone Llc | Ventilating and heating apparatus with heater shielded by tapered discharge duct |
US20050111840A1 (en) * | 2003-11-21 | 2005-05-26 | Craw Gary J. | Ventilating and heating apparatus and method |
US7455500B2 (en) | 2003-11-21 | 2008-11-25 | Broan-Nu Tone Llc | Modular ventilating exhaust fan assembly and method |
US20050218289A1 (en) * | 2004-04-02 | 2005-10-06 | Penlesky Robert G | Fan mounting spacer assembly and method |
US7128303B2 (en) | 2004-04-02 | 2006-10-31 | Broan-Nu Tone Llc | Fan mounting spacer assembly |
US8056933B2 (en) | 2006-04-07 | 2011-11-15 | Dometic Corporation | Quick connect flange plate |
US20070237634A1 (en) * | 2006-04-07 | 2007-10-11 | Dometic Environmental Corporation | Quick connect flange plate |
US8678759B2 (en) * | 2007-07-17 | 2014-03-25 | Panasonic Corporation | Centrifugal fan |
US20100183433A1 (en) * | 2007-07-17 | 2010-07-22 | Panasonic Corporation | Centrifugal Fan |
USD759800S1 (en) | 2008-01-02 | 2016-06-21 | Broan-Nutone Llc | Grille |
USD837966S1 (en) | 2008-01-02 | 2019-01-08 | Broan-Nutone Llc | Grille |
USD635238S1 (en) | 2009-07-14 | 2011-03-29 | Broan-Nutone Llc | Ventilation grille |
USD618782S1 (en) | 2009-12-22 | 2010-06-29 | Broan-Nutone, Llc | Grille |
US9344787B2 (en) | 2012-12-22 | 2016-05-17 | Homewerks Worldwide, LLC | Audio equipped fan |
US9398357B2 (en) | 2012-12-22 | 2016-07-19 | Homewerks Worldwide, LLC | Audio equipped fan |
US9609407B2 (en) | 2012-12-22 | 2017-03-28 | Homewerks Worldwide, LLC | Method of manufacturing an audio equipped fan assembly |
USD820428S1 (en) | 2013-06-20 | 2018-06-12 | Broan-Nutone Llc | Range hood |
USD752202S1 (en) | 2013-08-08 | 2016-03-22 | Homewerks Worldwide, LLC | Fan grille |
USD745652S1 (en) | 2014-01-28 | 2015-12-15 | Homewerks Worldwide, LLC | Fan grille |
USD850601S1 (en) | 2014-05-01 | 2019-06-04 | Broan-Nutone Llc | Grill element |
CN104196762A (en) * | 2014-08-29 | 2014-12-10 | 宁波方太厨具有限公司 | Fan volute tongue structure used for exhaust hood |
USD752199S1 (en) | 2014-09-22 | 2016-03-22 | Homewerks Worldwide, LLC | Bath fan with speaker |
USD814009S1 (en) | 2015-05-19 | 2018-03-27 | Broan-Nutone, Llc | Vent hood |
USD858734S1 (en) | 2015-05-19 | 2019-09-03 | Broan-Nutone Llc | Vent hood |
USD804627S1 (en) | 2015-05-19 | 2017-12-05 | Broan-Nutone Llc | Vent hood |
USD826391S1 (en) | 2015-05-19 | 2018-08-21 | Broan-Nutone Llc | Vent hood |
USD836765S1 (en) | 2015-08-31 | 2018-12-25 | Broan-Nutone Llc | Vent hood |
USD816206S1 (en) | 2015-09-14 | 2018-04-24 | Broan-Nutone Llc | Ventilation grill |
USD904594S1 (en) | 2015-09-14 | 2020-12-08 | Broan-Nutone Llc | Ventilation grill |
USD815724S1 (en) | 2015-09-14 | 2018-04-17 | Broan-Nutone Llc | Ventilation grill |
USD908200S1 (en) | 2015-09-14 | 2021-01-19 | Broan-Nutone Llc | Ventilation grill |
USD822821S1 (en) | 2015-09-14 | 2018-07-10 | Broan-Nutone, Llc | Ventilation grill |
USD886983S1 (en) | 2015-09-14 | 2020-06-09 | Broan-Nutone Llc | Ventilation grill |
USD883467S1 (en) | 2015-09-14 | 2020-05-05 | Broan-Nutone Llc | Ventilation grill |
USD884869S1 (en) | 2015-09-14 | 2020-05-19 | Broan-Nutone Llc | Ventilation grill |
USD861639S1 (en) | 2015-10-06 | 2019-10-01 | Broan-Nutone Llc | Wireless speaker |
USD808001S1 (en) | 2016-03-14 | 2018-01-16 | Homewerks Worldwide, LLC | Square fan grille |
USD897521S1 (en) | 2016-10-14 | 2020-09-29 | Broan-Nutone Llc | Vent hood |
USD895783S1 (en) | 2018-05-22 | 2020-09-08 | Broan-Nutone Llc | Grille assembly for a bathroom ventilation fan |
USD881375S1 (en) | 2018-05-22 | 2020-04-14 | Broan-Nutone Llc | Grille assembly for a bathroom ventilation fan |
USD943730S1 (en) | 2018-11-28 | 2022-02-15 | Broan-Nutone Llc | Ventilation grille |
USD946136S1 (en) | 2018-11-28 | 2022-03-15 | Broan-Nutone Llc | Ventilation grille |
USD902372S1 (en) | 2018-11-28 | 2020-11-17 | Broan-Nutone Llc | Ventilation grille |
USD908861S1 (en) | 2018-11-28 | 2021-01-26 | Broan-Nutone Llc | Ventilation grille |
USD909560S1 (en) | 2018-11-28 | 2021-02-02 | Broan-Nutone Llc | Ventilation grille |
USD895100S1 (en) * | 2018-12-11 | 2020-09-01 | N.P.S. Company, LLC | Air duct |
USD899582S1 (en) | 2019-01-22 | 2020-10-20 | Broan-Nutone Llc | Ventilation grille |
USD898896S1 (en) | 2019-01-22 | 2020-10-13 | Broan-Nutone Llc | Ventilation grille |
US11300305B2 (en) | 2019-02-15 | 2022-04-12 | Broan-Nutone Llc | Grille attachment feature for a ventilation system |
US11326792B2 (en) | 2019-02-15 | 2022-05-10 | Broan-Nutone Llc | Grille attachment system for a ventilation system |
US11732914B2 (en) | 2019-02-15 | 2023-08-22 | Broan-Nutone Llc | Grille attachment feature for a ventilation system |
USD946137S1 (en) | 2019-05-01 | 2022-03-15 | Broan-Nutone Llc | Ventilation grille |
USD932611S1 (en) | 2019-06-24 | 2021-10-05 | Homewerks Worldwide, LLC | Fan grille |
USD933194S1 (en) | 2019-06-24 | 2021-10-12 | Homewerks Worldwide, LLC | Fan grille |
USD933195S1 (en) | 2019-11-26 | 2021-10-12 | Homewerks Worldwide, LLC | Fan grille |
USD933809S1 (en) | 2019-11-26 | 2021-10-19 | Homewerks Worldwide, LLC | Fan grille |
USD932612S1 (en) | 2019-11-26 | 2021-10-05 | Homewerks Worldwide, LLC | Fan grille |
USD948025S1 (en) | 2019-11-26 | 2022-04-05 | Homewerks Worldwide, LLC | Fan grille |
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