The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 27, 2012

Filed:

Oct. 24, 2006
Applicants:

Myung-keun Yoo, Seoul, KR;

Jun-young Lim, Incheon, KR;

Inventors:

Myung-Keun Yoo, Seoul, KR;

Jun-Young Lim, Incheon, KR;

Assignee:

LG Electronics Inc., Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed is a high speed type impeller, including: a body having a shaft coupling hole into which a rotation shaft of a motor is coupled, the outer circumference of the body being widened from the top to bottom end in the insertion direction of the rotation shaft to form a bent surface, a step portion shadowed in the radial direction being formed on the top end of the body; a plurality of blades installed on the bent surface of the body to be bent at a predetermined angle to the rotation shaft direction; and an upper reinforcing ring installed at the step portion of the body. Even through the impeller is made of a low cost material, the reinforcing ring reinforces the weak portion of the impeller to improve durability. Reliability of the impeller is attained with high economical efficiency.


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