Internal-combustion engines – Means to whirl fluid before – upon – or after entry into... – Having multiple oxidant inlet means
Reexamination Certificate
2011-01-25
2011-01-25
Solis, Erick (Department: 3747)
Internal-combustion engines
Means to whirl fluid before, upon, or after entry into...
Having multiple oxidant inlet means
C123S432000
Reexamination Certificate
active
07874278
ABSTRACT:
An internal combustion engine wherein the top wall surface of the intake air inflow passage part of the intake port is formed by a first top wall surface and a second top wall surface lower than the first top wall surface and wherein a lower layer flow passage and an upper layer flow passage are formed at the height position of the second top wall surface as a boundary. When the intake valve opens, a lower layer flow flowing through the inside of the lower layer flow passage passes through the intake valve opening region, flows to the circumferential direction of the combustion chamber, and generates a swirl, while an upper layer flow flowing through the inside of the upper layer flow passage passes through the helical part and flows into the combustion chamber.
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Horikoshi Osamu
Nishiwaki Masanobu
Sato Yasuo
Takada Noriyuki
Kenyon & Kenyon LLP
Solis Erick
Toyota Jidosha & Kabushiki Kaisha
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