Heat recovery air exchanger

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Description

FIG. 1 is a front perspective view of the heat recovery air exchanger;

FIG. 2 is a front view of the heat recovery air exchanger;

FIG. 3 is a right side view of the heat recovery air exchanger; and,

FIG. 4 is a top view of the heat recovery air exchanger.

In the drawings, the broken lines depict unclaimed subject matter only and form no part of the claimed design.

Claims

The ornamental design for a heat recovery air exchanger, as shown and described.

Referenced Cited
U.S. Patent Documents
5348077 September 20, 1994 Hillman
D366522 January 23, 1996 Lagace et al.
D476073 June 17, 2003 Bourgeois
D566256 April 8, 2008 Abate et al.
D674474 January 15, 2013 Rentschler
Patent History
Patent number: D702824
Type: Grant
Filed: Jun 10, 2013
Date of Patent: Apr 15, 2014
Inventor: Alain Martel (Montreal)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania Aman
Application Number: 29/457,386
Classifications
Current U.S. Class: Heat Exchange Unit, E.g., Coil, Etc. (D23/323)