Contoured fan blade

Information

  • Patent Grant
  • D901669
  • Patent Number
    D901,669
  • Date Filed
    Friday, September 29, 2017
    9 years ago
  • Date Issued
    Tuesday, November 10, 2020
    5 years ago
Abstract
Description


FIG. 1 is a perspective view of a contoured fan blade, showing our new design;



FIG. 2 is a top view of FIG. 1;



FIG. 3 is a bottom view of FIG. 1;



FIG. 4 is a side view of FIG. 1;



FIG. 5 is cross-sectional view of FIG. 1 taken along line 5-2;



FIG. 6 is a perspective view of a contoured fan blade of FIG. 1 in an air conditioning environment;



FIG. 7 is an enlarged partial view of the contoured fan blade of FIG. 2;



FIG. 8 is a cross-sectional view of the contoured fan blade of FIG. 7 taken along line 8-8;



FIG. 9 is a cross-sectional view of the contoured fan blade of FIG. 7 taken along line 9-9;



FIG. 10 is a radial cross-sectional view of the contoured fan blade of FIG. 7 taken along line 10-10;



FIG. 11 is a radial cross-sectional view of the contoured fan blade of FIG. 7 taken along line 11-11; and,



FIG. 12 is a radial cross-sectional view of the contoured fan blade of FIG. 7 taken along line 12-12.


The broken lines are for environmental purpose only and form no part of the claimed design.


The dash-dot lines are boundary lines delineating claimed subject matter within the dash-dot lines from unclaimed, unshaded subject matter outside of the dash-dot lines.


The dash dot dot lines are for purposes of indicated enlarged views in later Figures and form no part of the claimed design.


Also, references to “side,” “top,” “bottom,” “front,” and “back” in the Figure Descriptions are not necessarily meant to require any specific orientation of the article as viewed. A molded cover according to the claimed design may be used in any orientation.


Claims
  • We claim, the ornamental design for a contoured fan blade, as shown and described.
US Referenced Citations (64)
Number Name Date Kind
1712119 Ray May 1929 A
2238749 Peltier Apr 1941 A
D131271 Collura Feb 1942 S
4089618 Patel May 1978 A
5088665 Vijgen et al. Feb 1992 A
5533865 Dassen et al. Jul 1996 A
5603607 Kondo Feb 1997 A
6280144 Powers Aug 2001 B1
6733240 Gliebe May 2004 B2
6872048 Uselton et al. Mar 2005 B2
7305817 Blodgett et al. Dec 2007 B2
D564653 Iwase Mar 2008 S
D565171 Lin Mar 2008 S
D570470 Suzuki Jun 2008 S
7815418 Suzuki et al. Oct 2010 B2
D644316 Spaggiari Aug 2011 S
D665492 Romero Carreras Aug 2012 S
8491270 Eguchi Jul 2013 B2
8512004 Nakagawa et al. Aug 2013 B2
8573541 Sullivan et al. Nov 2013 B2
D700312 Inada Feb 2014 S
8721280 Nakagawa et al. May 2014 B2
8827649 Kang Sep 2014 B2
8915717 Stephan et al. Dec 2014 B2
8939729 Hsieh et al. Jan 2015 B2
9051941 Kojima Jun 2015 B2
9121294 Kray et al. Sep 2015 B2
D750211 Arai Feb 2016 S
D755945 Arai May 2016 S
9392737 Sanderson Jul 2016 B2
D773632 Panyasahabade Dec 2016 S
10082286 Huang Sep 2018 B1
10400604 Sawada Sep 2019 B2
D870261 Teramoto Dec 2019 S
D870877 Teramoto Dec 2019 S
D884874 Meng May 2020 S
20070031257 Suzuki Feb 2007 A1
20090155076 Jarrah Jun 2009 A1
20100260608 Suzuki Oct 2010 A1
20100272573 Bessho Oct 2010 A1
20110305579 Wood et al. Dec 2011 A1
20120061522 Sullivan et al. Mar 2012 A1
20130091888 Park et al. Apr 2013 A1
20130156592 Kray et al. Jun 2013 A1
20130323098 Ooya Dec 2013 A1
20140003933 Inada Jan 2014 A1
20140072435 Choi et al. Mar 2014 A1
20140338388 Kim et al. Nov 2014 A1
20150152875 Kamiya et al. Jun 2015 A1
20150330223 Choi Nov 2015 A1
20160265556 Stadler et al. Sep 2016 A1
20170058917 McKinney Mar 2017 A1
20180080468 Kim Mar 2018 A1
20180238343 Nakashima Aug 2018 A1
20180306034 Teramoto Oct 2018 A1
20180355884 Sakoda Dec 2018 A1
20180355885 Kim Dec 2018 A1
20190024674 Loercher Jan 2019 A1
20190072104 Froh Mar 2019 A1
20190120253 Nakashima Apr 2019 A1
20190170158 Azzouz Jun 2019 A1
20190226492 Krishnaswami Jul 2019 A1
20190301471 Wang Oct 2019 A1
20200240431 Bushnell Jul 2020 A1
Foreign Referenced Citations (14)
Number Date Country
201241864 May 2009 CN
102022380 Apr 2011 CN
102022381 Apr 2011 CN
103140684 Jun 2013 CN
204164038 Feb 2015 CN
204312401 May 2015 CN
791563 Mar 1958 GB
2000110785 Apr 2000 JP
3598900 Dec 2004 JP
2005264803 Sep 2005 JP
5066835 Nov 2012 JP
2015140741 Aug 2015 JP
2009054815 Apr 2009 WO
2017036470 Mar 2017 WO
Non-Patent Literature Citations (9)
Entry
CMC Ventilazione, [online]; [retrieved on Sep. 29, 2017]; retrieved from the Internet http://www.cmcventilazione.com/en/our-products/axial-fans-with-external-rotor-motor CMC Ventilazione, “AX Axial Fans with External Rotor Motor,” CMC Ventilazione, 2012, pp. 1-2.
Elta Fans, [online]; [retrieved on Sep. 29, 2017]; retrieved from the Internet https://www.eltafans.com/catalogue/building-services/ducted-inline/raptor-sda.html Elta Fans, “Raptor SDA,” Elta Fans, 2017, pp. 1-7.
MS Howe, “Aerodynamic noise of a serrated trailing edge,” Journal of Fluids and Structures, 5(1), pp. 33-45, 1991, Abstract Only (pp. 1-2).
Tech-Critter, [online]; [retrieved on Sep. 29, 2017]; retrieved from the InternetLow Chem Lin, “Unboxing & Review: be quiet! Pure Wings 2,” Tech Critter, Oct. 3, 2014, pp. 1-7. http://www.tech-critter.com/2014/10/unboxing-review-be-quiet-pure-wings-2.html.
Ziehl-Abegg, [online]; [retrieved on Sep. 29, 2017]; retrieved from the Internet Ziehl-Abegg, “MAXvent owlet,” Ziehl-abegg.com, Sep. 29, 2017, pp. 1-3 https://www.ziehl-abegg.com/us/en/product-range/ventilation-systems/axial-fans/maxvent-owlet/.
International Preliminary Report on Patentability; International Application No. PCT/US2018/053136; International Filing Date: Sep. 27, 2018; dated Mar. 31, 2020; 6 pages.
International Search Report for International Application No. PCT/US2018/053136; Date of Completion: Jan. 4, 2019; dated Jan. 18, 2019; 6 Pages.
Written Opinion for International Application No. PCT/US2018/053136; International Filing Date: Sep. 27, 2018; dated Jan. 18, 2019; 7 Pages.
MS Howe, “Aerodynamic noise of a serrated trailing edge,” Journal of Fluids and Structures, 5(1), 1991, pp. 33-45 (Full Article).