Blades for axial fans

Patent · Tue Apr 19 04:00:00 EDT 1988

OSTI ID:7033028

Sato, S; Shinozaki, Y; Murayama, T; Shima, T; Ueno, T

In a blade for an axial fan comprising a main body having a leading edge fitted with anti-wear leading edge cover means, the improvement, is described comprising a notch which is defined by cutting off the leading edge along a length about 3/4-1/4 of a whole length of the leading edge from the tip thereof, the main body having a flat surface adjacent to the notch and a leading edge piece made of stainless steel and having an edge cross sectional configuration substantially the same as that of the remaining uncut-off portion of the main body adjacent to the notch and being attached to the main body at the notch. The leading edge piece has a shape of the forwardmost part of an axial fan leading edge. The leading edge piece comprises a base member made of stainless steel and having a flat surface, an edge complemental portion made of hard sintered body and securely attached to the flat surface of the base member, the leading edge piece being securely fitted to the main body adjacent to the notch.

• Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
• Patent Number(s): US 4738594
• OSTI ID: 7033028
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320106 -- Energy Conservation
Consumption
& Utilization-- Building Equipment-- (1987-)
36 MATERIALS SCIENCE
360103* -- Metals & Alloys-- Mechanical Properties
ALLOYS
BLOWERS
CHROMIUM ALLOYS
COATINGS
CORROSION RESISTANT ALLOYS
COVERINGS
DESIGN
FINS
IRON ALLOYS
IRON BASE ALLOYS
MECHANICAL PROPERTIES
PROTECTIVE COATINGS
STAINLESS STEELS
STEELS
WEAR RESISTANCE