Ring-type cooling fan

- BorgWarner Inc.
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Description

FIG. 1 is a top elevational view of a ring-type cooling fan in accordance with the design of the present invention.

FIG. 2 is a bottom perspective view of the ring-type cooling fan of FIG. 1.

FIG. 3 is a bottom plan view of the ring-type cooling fan of FIG. 1.

FIG. 4 is a side elevational view of the ring-type cooling fan of FIGS. 1 and 2 and views at all other angles are the same.

FIG. 5 is a side, cross-sectional view of the ring-type cooling fan depicted in FIG. 1, taken along line 5—5 as viewed in direction of the arrows.

FIG. 6 is a bottom perspective view of a fan blade of the ring-type cooling fan of FIG. 1, shown separately for clarity of illustration.

FIG. 7 is a top plan view of FIG. 6.

FIG. 8 is a bottom plan view of FIG. 6.

FIG. 9 is a front elevational view of FIG. 6; and,

FIG. 10 is a rear elevational view of FIG. 6.

The broken line showing of environmental structure in FIGS. 6-10 is for illustrative purposes only and forms no part of the claimed design.

Claims

The ornamental design for a ring-type cooling fan, as shown and described.

Referenced Cited
U.S. Patent Documents
3842902 October 1974 Postesny
3883264 May 1975 Rao
4189281 February 19, 1980 Katagiri et al.
4222710 September 16, 1980 Katagiri et al.
4265596 May 5, 1981 Katagiri et al.
4406581 September 27, 1983 Robb et al.
4566852 January 28, 1986 Hauser
5769607 June 23, 1998 Neely et al.
6065937 May 23, 2000 Hunt
Patent History
Patent number: D446295
Type: Grant
Filed: Sep 21, 2000
Date of Patent: Aug 7, 2001
Assignee: BorgWarner Inc. (Troy, MI)
Inventors: Eugene E. Williams (Frankfort, IN), Jonathan B. Stagg (Greencastle, IN)
Primary Examiner: Lisa Lichtenstein
Attorney, Agent or Law Firm: Greg Dziegielewski
Application Number: 29/129,829
Classifications
Current U.S. Class: Fan Or Ventilator (D23/370)
International Classification: 2304;