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Assigneec/o TOYODA GOSEI Co., Ltd.
InventorsShintarou Okawa, Tomoyuki Sawatari, Yoshikazu Hirose, Minoru Toyoda, Masaru Hattori, Tatsuo Suzuki, Hiroshi Iwao, Yutaka Ogasawara
Estimating the term…
A resonator is arranged in an intake system including a pipe section for partitioning an intake port from an intake passage that communicates the intake port with a combustion chamber of an engine, the resonator including: a branch pipe having one end branching to the pipe section and the other end closed so that a silencing chamber is defined therein; and at least one partition wall for partitioning the silencing chamber into at least one pneumatic spring chamber, the partition wall having a natural frequency lower than the frequency of silencing target sound of intake noise propagated from the intake passage.
A resonator arranged in an intake system having a pipe section for partitioning an intake port from an intake passage that communicates the intake port with a combustion chamber of an engine, said resonator comprising:
An intake system to a combustion chamber in an engine, comprising:
Dependencies are inferred from the claim text.