Patent · US Expired

Air blower apparatus

US6305333A · kind A · utility

3Cited by
6References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 16, 2000
Grant dateOct 23, 2001
Priority date
Expiry dateJun 16, 2020

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01P11/12
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

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).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.