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. 18, 2011
Filed:
Mar. 04, 2008
Keiichiro Yuzaki, Osaka, JP;
Tomohiro Ootani, Osaka, JP;
Keiichiro Yuzaki, Osaka, JP;
Tomohiro Ootani, Osaka, JP;
Yanmar Co., Ltd., Osaka, JP;
Abstract
In a diesel engineequipped with a fuel injection devicehaving a fuel supply pumpfor pressingly sending a fuel, a common railfor accumulating the fuel pressingly sent from the fuel supply pump, injectorsfor injecting the fuel into a cylinder by an electronic control, a coolant water temperature sensorfor detecting an engine coolant water temperature and a fuel injection quantity map for calculating a target common rail pressure, total amount of injections, the number of multistage injection, the respective injection quantity and the respective injection quantity timing, the diesel enginecomprises a total injection quantity increasing means for increasing the total amount of injections in the injection quantity control arithmetic means and an injection number reduction avoidance means for avoiding that the number of multistage injections are changed by the total injection quantity increasing means when the engine is transferred to a cold state to a warming state.