Importance

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Abstract

A single point fuel injection air/fuel metering device comprises a tubular housing with a flap pivotally mounted therein upstream of a throttle valve. The flap is dynamically balanced about its pivot axis, which is offset from the axis of the tubular housing and is wholly within the bore of the tubular housing throughout its range of angular movement. A flap return spring which is anchored in the tubular housing upstream of the flap acts at the center of area of the flap. A rotary damper spindle and a rotary potentiometer spindle project coaxially into the housing bore from opposite sides thereof and the flap is clamped to them so that it is supported by the low friction bearings of the damper and the potentiometer. An injector is mounted to inject fuel into the bore between the flap and the throttle valve.

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First Claim