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US 4,063,905 AGranted
Fuel mixer
AssigneeBorg-Warner Corporation
InventorsRoy Henry Johnson, Donald K. Graham
Life of this patent
Estimating the term…
Abstract
A gaseous fuel mixer for an internal combustion engine includes hinged air valve doors arranged for opening in accordance with manifold depression, the doors are linked to the fuel metering means and include means for ducting the gaseous fuel into the air stream. The air valve doors can be hinged flat along a surface of the air inlet to permit alternate use of a conventional gasoline carburetor.
Claims9
A fuel mixer for an internal combustion engine having an induction passage provided with a throttle member, said mixer including:
- a body having wall portions defining an inlet air passage, an inlet fuel passage, and a common outlet passage arranged for communication with each other, said common outlet passage being adapted for communication with said engine induction passage, said fuel inlet passage including a fuel recess disposed adjacent said air inlet passage communicating with said air inlet passage through a wall portion of said body, said fuel inlet passage further including movable fuel metering means arranged for regulating flow of fuel in said fuel recess, said air inlet passage including an air valve door pivotally mounted in said body for hinged movement toward and from a wall portion of said air inlet passage providing means for variably restricting air flow in said air inlet passage, said air valve door including means for ducting fuel from said fuel recess into said air inlet passage, and
- control linkage mounted on said body adjacent said air inlet passage connected to said air valve door and said fuel metering means, said control linkage including resilient bias means arranged for regulating movement of said valve door in accordance with manifold depression in said induction passage and further including operating means connected to said fuel metering means and said air valve door arranged for regulating movement of said fuel metering means in accordance with movement of said air valve door.
Dependencies are inferred from the claim text.