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:
Nov. 15, 2016
Filed:
Apr. 15, 2013
Yanmar Co., Ltd., Osaka-shi, Osaka, JP;
Naohiro Hara, Osaka, JP;
Jun Watanabe, Osaka, JP;
Hiroaki Wakahara, Osaka, JP;
Akiyoshi Hayashi, Osaka, JP;
Takao Nakanishi, Osaka, JP;
Yanmar Co., Ltd., Osaka-shi, JP;
Abstract
An engine rotational speed control device () includes a noise removal processing unit () which corrects a command value, wherein the noise removal processing unit () is configured to set a current first output value (B(i)) to be identical to a previous first output value (B(i−1)) in a case where, in a latest step group, the number of successive increase steps is smaller than a first predetermined number (n) and the number of successive decrease steps is smaller than the first predetermined number (n), the increase step is a step in which a current first input value (A(i)) is greater than the previous first output value (B(i−1)) by a first set width (n) or more, and the decrease step is a step in which the current first input value (A(i)) is smaller than the previous first output value (B(i)) by the first set width (n) or more.