Structure for suction pipe of an engine

Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means

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Details

181250, 181229, F01N 102

Patent

active

059185724

ABSTRACT:
On an annular lib 16 formed at the downstream of an upper cylinder portion 3a of an air-cleaner outlet hose 3, a hose connecting portion 3f is formed to which one end of a resonator 6 is connected, and an intermediate portion 6c of the resonator 6 is fastened at a resonator clamp portion 3h formed in a unit with the upper cylinder portion 3a at the upstream. Further, on the above mentioned annular lib 16 provided adjacent to the bellows portion 3c of the air-cleaner outlet hose 3 a suction air temperature sensor 4 is provided at a position which is not opposing to the position of the resonator, and a harness clamp portion 3e of the suction air temperature sensor 4 is provided. Due to the floating support of the resonator, a reduction of the vibration transmission to the vehicle chamber and the number of the parts and the mounting processes is realized, and eventually a cost down is realized. Further, since the parts are disposed on the annular lib 16, the rigidity of the bellows portions 3c close thereto is increased.

REFERENCES:
patent: 4800985 (1989-01-01), Hanzawa et al.
patent: 5107800 (1992-04-01), Araki et al.
patent: 5529743 (1996-06-01), Powell
patent: 5723828 (1998-03-01), Nakagawa

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