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. 28, 2004
Filed:
May. 27, 2003
Applicant:
Inventors:
Hideki Nakanishi, Miyanohigashi-machi, JP;
Shinji Noguchi, Miyanohigashi-machi, JP;
Yasuhiro Ogawa, Miyanohigashi-machi, JP;
Assignee:
Horiba Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M 1/900 ;
U.S. Cl.
CPC ...
G01M 1/900 ;
Abstract
A map preparing method for an engine testing apparatus or a vehicle testing apparatus capable of preventing a peculiar driving state from being generated is provided. The method includes varying a throttle valve from its fully closed position to its fully opened position while maintaining a constant engine rotation number, carrying out operation for storing an output torque Nm at that time using at least three kinds of different engine rotation numbers, determining each obtained torque curves A˜E as actual machine data, and preparing a map based on the actual machine date.