Fin for use in a fin and tube heat exchanger in an air conditioner

Description

FIG. 1 is a front elevation view of a fin for use in a fin and tube heat exchanger in an air conditioner, showing our new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof, the bottom being a mirror image of that shown; and,

FIG. 6 is a cross-sectional view thereof taken on line 6--6 of FIG. 1.

Referenced Cited
U.S. Patent Documents
D221853 September 1971 Kimura
D302853 August 15, 1989 Takahashi et al.
D317500 June 11, 1991 Ueda
2977918 April 1961 Fritzer
4709753 December 1, 1987 Reifel
4723600 February 9, 1988 Yokoyama et al.
4832117 May 23, 1989 Kato et al.
Patent History
Patent number: D331624
Type: Grant
Filed: Feb 24, 1989
Date of Patent: Dec 8, 1992
Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo)
Inventors: Takayuki Yoshida (Shizuoka), Tomohumi Tezuka (Shizuoka), Masao Huzii (Amagasaki)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lisa Lichtenstein
Law Firm: Oblon, Spivak, McClelland, Maier & Neustadt
Application Number: 7/314,838