Intake device of internal combustion engine
A technology of air intake device and internal combustion engine, which is applied in the direction of fuel air filter, combustion air/combustion-air treatment, charging system, etc., which can solve the problems of increasing the processing time of the air filter, so as to reduce the assembly time and prevent Reduced flow rate and reduced processing man-hours
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no. 1 approach
[0080] refer to Figure 1 to Figure 16 A first embodiment of the present invention will be described. Figure 1 ~ Figure 3 The illustrated motorcycle 1 equipped with the device of this embodiment has a vehicle body frame 2 in which various steel materials are integrally joined by welding or the like. A head pipe 4 that steerably supports a front wheel suspension system 3 is provided at the front end of the vehicle body frame 2 . A front wheel 5 is rotatably supported on a lower portion of the front wheel suspension system 3 , and a steering handle 6 is fixed to an upper portion of the front wheel suspension system 3 .
[0081] The vehicle body frame 2 includes: a main frame 7 extending obliquely rearwardly and downwardly from the head pipe 4 made of a steel pipe with a rectangular section; Thereafter, the seat rail 8 extending rearward in a substantially horizontal state is provided with a pivot plate 9 on the lower rear side of the main frame 7 .
[0082] In front of the p...
no. 2 approach
[0121] Below, refer to Figure 17 , Figure 18 A second embodiment of the present invention will be described. However, the same reference numerals are assigned to the same configurations as those in the first embodiment, and description thereof will be omitted.
[0122] exist Figure 17 In the present embodiment shown, the high-speed intake passage 80 and the low-speed intake passage 81 provided on the clean side 47 side of the air cleaner 22 are separate components. A connection support member 82 is provided at the downward opening formed in the air cleaner case 44 , and the high-speed intake passage 80 and the low-speed intake passage 81 are connected to the connection support member 82 .
[0123] like Figure 18 As shown, the connection support member 82 includes: a first downstream air intake passage 83 communicating with the high-speed air intake passage 80 and extending linearly; a second downstream air intake passage communicating with the low-speed air intake pass...
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