Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1991-09-13
1992-09-15
Cross, E. Rollins
Internal-combustion engines
Charge forming device
Fuel injection system
123 52M, 123305, 123545, F02M 5500, F02M 3100, F02B 300
Patent
active
051468972
ABSTRACT:
An intake manifold for a multi cylinder internal combustion engine has a common upstream passage and individual downstream passages, leading individually to cylinders of the engine, respectively. These individual downstream passages are connected between a downstream end of the common upstream passage and the cylinders. Upstream end portions of the individual downstream passages are symmetrically located around a fuel injector, disposed downstream relative to the common upstream passage, and are joined together. At a center of the symmetrically joined upstream end portions of the individual downstream passages, fuel passages are provided to open independently into the upstream end portions so as to introduce fuel from the fuel injector into the individual downstream passages.
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Hattori Toshihiko
Hitomi Mitsuo
Tanaka Toshimitsu
Yamagata Naoyuki
Cross E. Rollins
Mazda Motor Corporation
Moulis Thomas N.
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