Patent Number: 6,305,333

Title: Air blower apparatus

Abstract: Air blower apparatus (20) in which a fan boss (41) at the rotational center portion of a fan (29) has a recessed form. Meanwhile, the central part of the body portion (21) of the air blower apparatus (20), i.e., a boss portion (38), has a projecting form to be housed within the recessed fan boss (41). The central part of the body potion (21), i.e., the boss portion (38), is housed within the recessed fan boss (41) at the rotational center portion of the fan (29), and the rotary shaft (39) of the body portion (21) of the air blower apparatus (20) is mounted on the fan (29).

Inventors: Maruta; Kazuhiro (Tochigi, JP), Yoshida; Nobumi (Tochigi, JP), Endo; Hiroshi (Tochigi, JP)

Assignee: Komatsu Ltd.

International Classification: F01P 7/04 (20060101); F01P 7/00 (20060101); F04D 25/02 (20060101); F04D 19/00 (20060101); F04D 25/04 (20060101); F01P 11/00 (20060101); F01P 11/12 (20060101); F01P 007/02 ()

Expiration Date: 10/23/2018