Air preheater

Description

1. Air preheater

FIG. 1.1 : Front

FIG. 1.2 : Enlarged view of upper part of the front view

FIG. 1.3 : Enlarged view of lower part of the front view

FIG. 1.4 : Back

FIG. 1.5 : Enlarged view of upper part of the back view

FIG. 1.6 : Enlarged view of lower part of the back view

FIG. 1.7 : Left

FIG. 1.8 : Enlarged view of upper part of the left view

FIG. 1.9 : Enlarged view of lower part of the left view

FIG. 1.10 : Right

FIG. 1.11 : Enlarged view of upper part of the right view

FIG. 1.12 : Enlarged view of lower part of the right view

FIG. 1.13 : Top

FIG. 1.14 : Bottom

FIG. 1.15 : Perspective

FIG. 1.16 : Enlarged view of upper part of the perspective view

FIG. 1.17 : Enlarged view of lower part of the perspective view

The product of the design is an air preheater; the design is used for preheating air; the design point is the shape; and the representative view is the perspective view.

The broken lines in the figures depict portions of the air preheater which form no part of the claimed design.

Claims

The ornamental design for an air preheater, as shown and described.