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:
Oct. 25, 2016
Filed:
Mar. 24, 2014
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
HITACHI CONSTRUCTION MACHINERY CO., LTD., Tokyo, JP;
Abstract
A vehicle status is judged with respect to whether the following conditions are met: the shift position of a shift leveris F or R (condition 1); the brakes are inactive (condition 2); the vehicle stands still (condition 3); the accelerator pedal is depressed equal to or less than δ (condition 4); and the rotational speed of the engine is equal to or less than a medium rotational speed (condition 5). The engine is controlled such that the rotational speed is set to a minimum if conditions 1, 2, and 4 are met and condition 3 is not met or if condition 1 is met and condition 2 is not met; and the rotational speed is set to the medium rotational speed if conditions 1, 2, 3, and 5 are met or if conditions 1, 2, and 5 are met and conditions 3 and 4 are not met.