Fuel control valve

The improvement in a fuel flow control valve having a hollow elongated valve body with opposite ends, a first fuel inlet at one end thereof, a second fuel inlet intermediate said ends, a fuel outlet at the other end thereof, connecting means intermediate said second fuel inlet and said fuel outlet for securing said valve to the wall of a fuel tank with the fuel inlets disposed internally of the tank and the fuel outlet disposed externally of the tank, and valve control means connected to said body for movement between at least two positions, the first position corresponding to the "on" position of the valve permitting flow of fuel into one of said fuel inlets and out said fuel outlet and the second position corresponding to a "reserve" position of the valve permitting flow of fuel into the other of said fuel inlets and out said fuel outlet when the level of fuel in the tank is such as to preclude flow of fuel into the one inlet;

• the improvement wherein:
• a) the valve control means includes fuel inlet closure means movable therewith between an open position remote from the other of said fuel inlets upon movement of the valve control means to its second position and a fuel flow restricting position partially closing the other of said fuel inlets upon movement of the valve control means to its first position;
• b) the valve body is defined by a tubular wall member having an internal surface with a first radius of curvature along an area thereof;
• c) the other of said fuel inlets is defined by at least one reserve inlet opening extending through the wall member in said area of the internal surface thereof;
• d) the valve control means is disposed within said tubular wall member;
• and
• e) the fuel inlet closure means includes at least one valve surface covering said reserve inlet openings when said valve control means is in its first position, said valve surface having a second radius of curvature different from said first radius of curvature to permit restricted flow of fuel through said reserve inlet opening.

The improvement in a fuel flow control valve having a hollow elongated valve body with opposite ends, a first fuel inlet at one end thereof, a second fuel inlet intermediate said ends, a fuel outlet at the other end thereof, connecting means intermediate said second fuel inlet and said fuel outlet for securing said valve to the wall of a fuel tank with the fuel inlets disposed internally of the tank and the fuel outlet disposed externally of the tank, and valve control means connected to said body for movement between at least two positions, the first position corresponding to the "on" position of the valve permitting flow of fuel into one of said fuel inlets and out said fuel outlet and the second position corresponding to a "reserve" position of the valve permitting flow of fuel into the other of said fuel inlets and out said fuel outlet when the level of fuel in the tank is such as to preclude flow of fuel into the one inlet;

• the improvement wherein:
• a) the valve control means includes fuel inlet closure means movable therewith between an open position remote from the other of said fuel inlets upon movement of the valve control means to its second position and a fuel flow restricting position partially closing the other of said fuel inlets upon movement of the valve control means to its first position;
• b) the valve body is defined by a hollow wall member having an internal surface;
• c) the other of said fuel inlets is defined by at least one reserve inlet opening extending through the wall member;
• d) the fuel inlet closure means includes a valve surface partially covering said reserve inlet opening when said valve control means is in its first position to permit restricted flow of fuel through said reserve inlet opening;
• e) the valve control means is connected to said body for movement between three positions, the third position corresponding to the "off" position of the valve wherein the fuel outlet is closed against flow of fuel therethrough;
• and
• f) the fuel inlet closure means of said valve control means is mounted for axial movement to and from said third position of the valve control means.