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.
Patent No.:
Date of Patent:
May. 25, 2010
Filed:
Jun. 28, 2006
Applicants:
Tetsuji Fujimura, Tokyo, JP;
Ikuhisa Mizuta, Tokyo, JP;
Kuniyuki Imanari, Tokyo, JP;
Inventors:
Assignee:
Ishikawajima-Harima Heavy Industries Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02K 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A turbofan engine has a fan on a front side thereof and a turbine driving the fan. The turbofan engine includes a disk rotationally driven by the turbine, a spinner detachably mounted at a front side of the disk, a spiral blade integrally mounted on a surface of the spinner, and a rear moving blade detachably mounted on an outer circumferential surface of the disk. The spiral blade and the rear moving blade form a first-stage moving blade of the fan.