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/Carbureted Engine Having An Adjustable Fuel To Air Ratio
Abstract

A simple engine, comprises (1) a cylinder, and a spark plug in the cylinder; (2) a carburetor, fluidly connected to the cylinder; (3) a primary air intake path, fluidly connecting atmosphere to the carburetor; (4) a carburetor bypass air intake path, fluidly connecting air to the cylinder without passing through the carburetor; and (5) a valve, along the carburetor bypass air intake path, for controlling the flow of air through the carburetor bypass air intake path.

Full Text

What is claimed is:

A simple engine, comprises (1) a cylinder, and a spark plug in the cylinder; (2) a carburetor, fluidly connected to the cylinder; (3) a primary air intake path, fluidly connecting atmosphere to the carburetor; (4) a carburetor bypass air intake path, fluidly connecting air to the cylinder without passing through the carburetor; and (5) a valve, along the carburetor bypass air intake path, for controlling the flow of air through the carburetor bypass air intake path.
Timeline
Filed
03/13/2026
Published
07/16/2026
Granted
Not Available
IPC Codes(10)
F02M 17/38:Controlling of carburettors, not otherwise provided for (external control gear F02M 19/12)
F01P 3/02:Arrangements for cooling cylinders or cylinder heads
F01P 7/16:by thermostatic control