| 摘要 |
PROBLEM TO BE SOLVED: To miniaturize a throttle body. SOLUTION: The throttle body 1 is constituted of a round body part 1a and a flange part 1b of which end surfaces projecting from one end part outer circumference of the round body part 1a has a roughly rectangular shape. A first and second fastening bosses 2, 2' are formed as one unit with edge parts at diagonal positions of the flange part 1b. A first and second bearing bosses 9, 9' supporting a valve shaft 8a of a throttle valve 8 are formed from the flange part 1b over the round body part 1a. One of a full close stopper boss 20 and a stay boss 15 arranged with the first bearing boss 9 put therebetween is provided in a raw with the first fastening boss 2 on the flange part 1b. The other is formed on the flange part 1b. A stopper bolt 21 regulating a full close position of the throttle valve 8 is screwed in the full close stopper boss 20. A machine screw 16 fixing a guide tube stay 13 supporting a guide tube 12 of an operation wire 11 is screwed in the stay boss 15. COPYRIGHT: (C)2011,JPO&INPIT
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