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:
Jun. 12, 1990
Filed:
Dec. 23, 1988
Takeshi Saito, Yokohama, JP;
Ishikawajima-Harima Heavy Industries Co., Ltd., Tokyo, JP;
Abstract
A fluid apparatus comprising a motor, a blade wheel connected to the motor shaft, plural moving blades disposed along the outer circumference of the blade wheel with each moving blade shaft extending into the blade wheel and being rotatable relative to the blade wheel, small gears attached to the moving blade shaft inside the blade wheel, a large gear disposed to be level with the blade wheel so as to be geared with the small gears, an impeller connected to the large gear and housed in a casing with oil so that there may be produced a relative angle difference between the blade wheel and the large gear upon starting of the blower, and stoppers for stopping the large gear at predetermined positions with respect to the blade wheel at normal and reverse modes of the blower respectively.