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:
Dec. 25, 2001
Filed:
Jul. 16, 2001
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
The vane type hydraulic actuator according to the present invention comprises a guide locking mechanism (guide stopper pin) (,) for guiding the rotor (,) to a locking position where the rotor (,) can be locked to the case (,), and a retaining locking mechanism (retaining stopper pin) (,) for retaining the rotor (,) to the case (,), after the rotor (,) is guided to the locking position. The actuator having vanes, wherein the length in the peripheral direction of the tip portion of the vane having the locking mechanism is substantially identical to that of the vane which is located symmetrically thereto. The length in the peripheral direction of the tip portion of the other vanes is shorter than that of the vane having the locking mechanism.