Idle air control device in multiple throttle body
AssigneeKeihin Corporation
InventorHitoshi Sakamoto
Life of this patent
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Abstract
To provide a plural openings control type idle air control device with a low cost by adding a few parts for controlling plural bypass air passages to a single openings control type idle air control device for opening and closing a single bypass air passage, a valve body 3 is formed at a lower end part of a valve body driving mechanism 1 along the operating direction X-X of the valve body driving mechanism 1, a cylindrical plunger 5 is mounted on an outer periphery of the valve body 3, plural bypass air passages 16a, 16b connected with plural intake passages are provided to be opened on a side wall of a valve body storage chamber 13, and plural openings of the bypass air passages are controlled so as to be opened and closed by the plunger 5 slidably provided in the valve body storage chamber 13.
Claims4
An idle air control device in a multiple throttle body, in which plural throttle bodies having intake passages through the inside thereof are provided, and idle air controlled by a valve body operated by a valve body driving mechanism is supplied to the intake passages at the downstream side from throttle valves provided at the respective intake passages, and the idle air is supplied through bypass air passages bypassing a throttle valve,
- wherein a cylindrical plunger is mounted on an outer periphery of a valve body formed at a lower end part in the operating direction of a valve body driving mechanism, and plural bypass air passages opened on a side wall of a valve body storage chamber are controlled so as to be opened and closed by the plunger.
Dependencies are inferred from the claim text.