Patent ID: 7140350
Filing Date: 2006-11-28
Classification: F02D,F02M

Abstract:
1. A throttle body configured to supply air to an air-intake port of an engine, comprising: an air-intake passage through which air flows, the air-intake passage at least partially having a non-perfect circle portion with a cross-section of a non-perfect circle shape in a direction substantially perpendicular to a direction of an air flow of air taken in from outside, the non-perfect circle shape having long and short axes, the short axis extending in a width direction of the throttle body; and at least one of a first throttle valve and a second throttle valve which are mounted within the non-perfect circle portion of the air-intake passage and include throttle valve members each having a shape conforming to the non-perfect circle shape of the cross-section of the non-perfect circle portion of the air-intake passage, the first throttle valve and the second throttle valve being each configured to control an amount of the air flow; wherein the at least one of the first throttle valve and the second throttle valve is configured to be opened and closed to substantially open and close the air-intake passage.