Heat exchanger

- The Trane Company

FIG. 1 is a front perspective view of a heat exchanger, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left end elevational view thereof;

FIG. 5 is a right end elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
1710579 April 1929 Henshall
1788068 January 1931 Scott
2064036 December 1936 Sandberg
3916989 November 1975 Harada et al.
Patent History
Patent number: D276933
Type: Grant
Filed: Apr 14, 1982
Date of Patent: Dec 25, 1984
Assignee: The Trane Company (La Crosse, WI)
Inventors: Donald C. Welch (La Crosse, WI), Christopher P. Yoerg (La Crosse, WI)
Primary Examiner: Catherine E. Kemper
Attorneys: Ronald M. Anderson, Raymond W. Campbell, Carl M. Lewis
Application Number: 6/368,259
Current U.S. Class: D23/136