| 摘要 |
<p>PROBLEM TO BE SOLVED: To enable the maintenance of an opening and closing valve by merely removing a lid body on an outer side of an intake distribution box from the intake distribution box, facilitate the formation of a valve hole, and simplify a structure of a stopper means specifying opening and closing limits of the opening and closing valve. SOLUTION: This intake distribution box is composed of a distribution box main body having one half part of a bulkhead between a first distribution chamber and a second distribution chamber and the lid body 44 having the other half part 35b of the bulkhead, connected detachably with the distribution box main body, and made by casting light metal. A U-shaped shallow cut-out part 40b constituting the valve hole 40 is formed together with a deep cut-out part 40a in a bulkhead piece 56. A stopper projection receiving an operation lever fixed to a valve shaft 53 of the opening and closing valve 41 opening and closing the valve hole 40 and specifying the opening and closing limits of the opening and closing valve 41 is integrally formed on an outer face of the lid body 44.</p> |
