Control method for starting diesel engines

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5613474
SERIAL NO

08591644

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A control method for starting a diesel engine makes it possible to prevent an excessive increase in fuel injection rate in a low speed rotation range at the time of starting for prevention of occurrence of misfiring and unstable engine rotation, and to prevent occurrence of black smoke by controlling the injection rate according to the engine temperature. For this effect, from the beginning of engine starting to a first engine rotating speed (N.sub.1), the control rack is moved in the fuel injection rate reducing direction so that the rack position has a first gradient to correct for an increase in fuel injection rate and, from the first engine rotating speed to a second engine rotating speed (N.sub.3) at which the control rack is returned to its position for ordinary control, the control rack is moved in the fuel injection rate reducing direction so that the rack position has a second gradient greater than the first gradient.

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Patent Owner(s)

Patent OwnerAddress
KOMATSU LTD2-3-6 AKASAKA MINATO-KU TOKYO 107-8414

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakamura, Tadao Oyama, JP 29 322
Nakazato, Tatsuro Hiratsuka, JP 5 43
Watanabe, Makoto Madison, WI 321 2549

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