Contoured fan blade

- CARRIER CORPORATION
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
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.

Referenced Cited
U.S. Patent Documents
1712119 May 1929 Ray
2238749 April 1941 Peltier
D131271 February 1942 Collura
4089618 May 16, 1978 Patel
5088665 February 18, 1992 Vijgen et al.
5533865 July 9, 1996 Dassen et al.
5603607 February 18, 1997 Kondo
6280144 August 28, 2001 Powers
6733240 May 11, 2004 Gliebe
6872048 March 29, 2005 Uselton et al.
7305817 December 11, 2007 Blodgett et al.
D564653 March 18, 2008 Iwase
D565171 March 25, 2008 Lin
D570470 June 3, 2008 Suzuki
7815418 October 19, 2010 Suzuki et al.
D644316 August 30, 2011 Spaggiari
D665492 August 14, 2012 Romero Carreras
8491270 July 23, 2013 Eguchi
8512004 August 20, 2013 Nakagawa et al.
8573541 November 5, 2013 Sullivan et al.
D700312 February 25, 2014 Inada
8721280 May 13, 2014 Nakagawa et al.
8827649 September 9, 2014 Kang
8915717 December 23, 2014 Stephan et al.
8939729 January 27, 2015 Hsieh et al.
9051941 June 9, 2015 Kojima
9121294 September 1, 2015 Kray et al.
D750211 February 23, 2016 Arai
D755945 May 10, 2016 Arai
9392737 July 19, 2016 Sanderson
D773632 December 6, 2016 Panyasahabade
10082286 September 25, 2018 Huang
10400604 September 3, 2019 Sawada
D870261 December 17, 2019 Teramoto
D870877 December 24, 2019 Teramoto
D884874 May 19, 2020 Meng
20070031257 February 8, 2007 Suzuki
20090155076 June 18, 2009 Jarrah
20100260608 October 14, 2010 Suzuki
20100272573 October 28, 2010 Bessho
20110305579 December 15, 2011 Wood et al.
20120061522 March 15, 2012 Sullivan et al.
20130091888 April 18, 2013 Park et al.
20130156592 June 20, 2013 Kray et al.
20130323098 December 5, 2013 Ooya
20140003933 January 2, 2014 Inada
20140072435 March 13, 2014 Choi et al.
20140338388 November 20, 2014 Kim et al.
20150152875 June 4, 2015 Kamiya et al.
20150330223 November 19, 2015 Choi
20160265556 September 15, 2016 Stadler et al.
20170058917 March 2, 2017 McKinney
20180080468 March 22, 2018 Kim
20180238343 August 23, 2018 Nakashima
20180306034 October 25, 2018 Teramoto
20180355884 December 13, 2018 Sakoda
20180355885 December 13, 2018 Kim
20190024674 January 24, 2019 Loercher
20190072104 March 7, 2019 Froh
20190120253 April 25, 2019 Nakashima
20190170158 June 6, 2019 Azzouz
20190226492 July 25, 2019 Krishnaswami
20190301471 October 3, 2019 Wang
20200240431 July 30, 2020 Bushnell
Foreign Patent Documents
201241864 May 2009 CN
102022380 April 2011 CN
102022381 April 2011 CN
103140684 June 2013 CN
204164038 February 2015 CN
204312401 May 2015 CN
791563 March 1958 GB
2000110785 April 2000 JP
3598900 December 2004 JP
2005264803 September 2005 JP
5066835 November 2012 JP
2015140741 August 2015 JP
2009054815 April 2009 WO
2017036470 March 2017 WO
Other references
  • 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).
Patent History
Patent number: D901669
Type: Grant
Filed: Sep 29, 2017
Date of Patent: Nov 10, 2020
Assignee: CARRIER CORPORATION (Palm Beach Gardens, FL)
Inventors: Peter R. Bushnell (Cazenovia, NY), Lee G. Tetu (Baldwinsville, NY), Jackie S. Anderson (Manlius, NY)
Primary Examiner: Janice Hallmark
Application Number: 29/619,641
Classifications
Current U.S. Class: Fan Or Ventilator Blade (D23/413)