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. 14, 2013
Filed:
Jul. 06, 2011
Applicant:
Takashi Nakajoh, Tokyo, JP;
Inventor:
Takashi Nakajoh, Tokyo, JP;
Assignee:
Nitto Kohki Co., Ltd., Ohta-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C 21/00 (2006.01); F03C 2/00 (2006.01); F04C 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vane air motor configured to prevent uneven wear of vanes is provided. The vane air motor has a cylindrical member having a rotor chamber () defined by a circular cylindrical inner peripheral surface (), and a vaned rotor. A plurality of air discharge openings () are provided over a predetermined length range in the axial direction of the rotor chamber. Each pair of axially adjacent air discharge openings are spaced from each other and overlap each other as seen in the circumferential direction of the rotor chamber.