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Featured researches published by Hiromichi Miwa.


SAE International Congress and Exposition | 1989

An Analysis of Wall Flow and Behavior of Fuel in Induction Systems of Gasoline Engines

Hiromichi Miwa; Yoshihisa Kawamura; Masaaki Saitoh

The transient performance of an engine generally depends on the volume of wall flow and behavior of fuel in the induction system which is composed of the intake manifold and the intake port. An experimental technique has been developed for estimating these phenomena in a gasoline engine, which employs a meter for measuring the air-fuel mixture ratio. Using this technique the authors analyzed single point and multipoint injection systems, and determined the differences in the volume of fuel associated with wall flow. The effects of the shape and specifications of fuel supply system components on the volume of wall flow and fuel behavior in these systems were established.


Archive | 1987

Induction volume sensing arrangement for internal combustion engine or the like

Hatsuo Nagaishi; Hiroshi Sanbuichi; Masaaki Uchida; Hiromichi Miwa; Toshio Takahata; Yasuo Seimiya; Hiromasa Kubo


Archive | 1988

System for measuring amount of air introduced into combustion chamber of internal combustion engine with avoiding influence of temperature dependent air density variation and pulsatile air flow

Hiromichi Miwa; Hatsuo Nagaishi; Ichirou Kishiki; Hirokimi Koyama


Archive | 1988

Air/fuel ratio control system for internal combustion engine with correction coefficient learning feature

Masaaki Uchida; Hedeki Uema; Hiromichi Miwa; Yoshihisa Kawamura


Archive | 1987

Ansaugvolumenfuehleinrichtung fuer eine brennkraftmaschine

Hatsuo Nagaishi; Yasuo Seimiya; Hideyuki Tamura; Hiromichi Miwa; Hiroshi Sanbuichi; Masaaki Uchida; Toshio Takahata


Archive | 1989

Fuel supply control system for internal combustion engine

Hiromichi Miwa; Toyoaki Nakagawa


Archive | 1988

System for controlling a fuel injection quantity and method therefor

Hiromichi Miwa; Masaaki Uchida; Yoshihisa Kawamura


Archive | 1989

System fuer die kraftstoffzufuhr in einer brennkraftmaschine. System for the fuel supply in an internal combustion engine.

Hatsuo Nagaishi; Hiromichi Miwa; Toyoaki Nakagawa


Archive | 1988

Système pour mesurer le débit d'air introduit dans la chambre de combustion d'un moteur à combustion interne

Hiromichi Miwa; Hatsuo Nagaishi; Ichiro Kishiki; Hirokimi Koyama


Archive | 1988

Vorrichtung zum Messen der einer Brennkammer einer Brennkraftmaschine zugeführten Luftmenge. An apparatus for measuring a combustion chamber of an internal combustion engine supplied air quantity.

Hiromichi Miwa; Hatsuo Nagaishi; Ichiro Kishiki; Hirokimi Koyama

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