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:
Dec. 14, 2010

Filed:

Dec. 12, 2003
Applicants:

Hitoshi Moritani, Tokyo, JP;

Masahide Maeda, Tokyo, JP;

Yoshio Kikukawa, Tokyo, JP;

Ryosei Sekiguchi, Tokyo, JP;

Tomoya Umeda, Tokyo, JP;

Inventors:

Hitoshi Moritani, Tokyo, JP;

Masahide Maeda, Tokyo, JP;

Yoshio Kikukawa, Tokyo, JP;

Ryosei Sekiguchi, Tokyo, JP;

Tomoya Umeda, Tokyo, JP;

Assignee:

Hirata Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01M 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

Test equipment of engine motoring for automatically conducting an engine test includes a conveying mechanism that carries in and carries out an engine to and from a test position, a fixing mechanism that fixes the engine carried in to the test position, a coupling mechanism that directly couples an electrical motor to the engine and can detect drive torque, an encoder that generates a pulse signal as an operating standard in synchronism with rotation of the electrical motor, a plurality of detection units driven to reciprocate so as to be connected to and disconnected from or approach and separate from the engine positioned at the test position and detect a plurality of operating state quantities, a control unit for various driving controls, and a judging unit for judging whether the engine is normal by comparing information obtained by the plurality of detection units with standard information obtained in advance.


Find Patent Forward Citations

Loading…