Combustion control system

Claim 2

A combustion control system for an engine having an intake manifold with a throttle, a PCV gas inlet opening into said intake manifold, and an exhaust, including in combination: a vortex device having a vortex chamber with a tangential inlet, a second inlet, and a axial outlet connected to said PCV gas inlet opening of said intake manifold, said tangential inlet of said vortex being connected to a supply of gas at substantially atmospheric pressure, and an exhaust gas conduit connecting the other said inlet of said vortex device to said engine exhaust.

Claim 3

The system of claim 1 in which said gas at atmospheric pressure is air.

Claim 4

The system of claim 1 in which said gas at atmospheric pressure is PCV gas.

Claim 5

The system of claim 1 having a liquid reservoir connected by a conduit to said exhaust gas conduit, and means actuated by said exhaust gas for drawing from said reservoir thereinto.

Claim 7

The system of claim 4 having means for decoupling intake manifold vacuum from said means for drawing liquid.

Claim 8

The system of claim 1 having means for sending the total pressure in said engine exhaust into said exhaust gas conduit.

Claim 9

A combustion control system for an engine having an intake manifold with a throttle, a PCV gas inlet opening into said intake manifold, and an exhaust, including in combination: a vortex device having a vortex chamber with a tangential inlet, a second inlet, and an axial outlet connected to said PCV gas inlet opening of said intake manifold, one said inlet of said vortex device being connected to one fluid conduit, an exhaust gas conduit connecting the other said inlet of said vortex device to said engine exhaust, and ejector means in exhaust gas conduit for pumping an additional fluid into said exhaust gas conduit and sending it into said vortex chamber.

Claim 10

A combustion control system for an engine having an intake manifold with a throttle, a PCV gas inlet opening into said intake manifold, and an exhaust, including in combination: a vortex device having a vortex chamber with a tangential inlet, a second inlet, and an axial outlet connected to said PCV gas inlet opening of said intake manifold, one said inlet of said vortex device being connected to one fluid conduit, an exhaust gas conduit connecting the other said inlet of said vortex device to said engine exhaust, and ejector means in exhaust gas conduit for pumping an additional fluid into said exhaust gas conduit and sending it into said vortex chamber.

Claim 11

The system of claim 8 in which PCV gas is connected to the tangential inlet.

Claim 12

The system of claim 8 in which atmospheric air is said additional fluid.

Claim 13

The system of claim 8 having a liquid reservoir connected by a conduit to said ejector means, said liquid being said additional fluid.

Claim 15

The system of claim 11 having means for decoupling the intake manifold vacuum from said ejector means.

Claim 16

The system of claim 8 having scoop means joining said engine exhaust to said exhaust gas conduit for sending into said exhaust gas conduit the total exhaust pressure resulting from both the static head and the velocity head.

Claim 17

The system of claim 8 wherein said ejector means comprises first ejector means for drawing in atmospheric air and second ejector means for drawing in liquid from a source of liquid and sending it into the atmospheric air drawn in by said first ejector means.

Claim 18

The system of claim 15 wherein said second ejector means sends exhaust gas and said liquid to an air intake from said second ejector means across an open space, thereby decoupling the intake of liquid from the pressure in the intake manifold.

Claim 19

A combustion control system for an engine having an intake manifold with a throttle, a PCV gas inlet opening into said intake manifold, an exhaust manifold, and a PCV gas conduit, including in combination: a vortex device having a vortex chamber with a tangential inlet connected to said PCV gas conduit, a central axial inlet, and an axial outlet connected to said PCV gas inlet opening of said intake manifold, an exhaust gas conduit connecting said exhaust manifold to said axial inlet and having first and second parallel ejectors, with an air inlet opening beyond said first ejector, through which air is pulled into said conduit by the action of the exhaust gas passing through said first ejector, a gas outlet beyond said second ejector, through which some of said exhaust gas is expelled, and a fluid inlet between said gas outlet and said second ejector, a fluid reservoir connected by a conduit to said fluid inlet, and an air intake opening connected to said air inlet opening regulating air intake into said exhaust gas conduit.

Claim 20

A combustion control system for an engine having an intake manifold with a throttle, a PCV gas inlet opening into said intake manifold, an exhaust manifold, and a PCV gas conduit, including in combination: a vortex device having a vortex chamber with a tangential inlet connected to said PCV gas conduit, a central axial inlet, and an axial outlet connected to said PCV gas inlet opening of said intake manifold, an exhaust gas conduit connecting said exhaust manifold to said axial inlet and having first and second parallel ejectors, with an air inlet opening beyond said first ejector, through which air is pulled into said conduit by the action of the exhaust gas passing through said first ejector, a gas outlet beyond said second ejector, through which some of said exhaust gas is expelled, and a fluid inlet between said gas outlet and said second ejector, a fluid reservoir connected by a conduit to said fluid inlet, and an air intake opening connected to said air inlet opening regulating air intake into said exhaust gas conduit.

Claim 21

The system of claim 17 wherein said air intake opening is spaced from and yet close to and in alignment with said gas outlet, so that the gas therein and the fluid contained therein are fed to said air intake in a manner avoiding coupling of the fluid intake to said intake manifold pressure.

Claim 22

A combustion control system for an engine having an intake manifold with a butterfly valve, a PCV gas inlet opening into said intake manifold, and exhaust manifold, and a PCV gas conduit, including in combination: a vortex device having a vortex chamber with a tangential inlet and a central axial inlet, and a cusp-like curved wall leading to an axial outlet, a first venturi tube connecting said axial outlet to said PCV gas inlet opening of said intake manifold, a second venturi tube connecting said tangential inlet to said PCV gas conduit, an exhaust gas conduit connecting said exhaust manifold to said axial inlet and having therein first and second parallel ejectors, with an air inlet opening beyond said first ejector, through which air is pulled in by the action of the exhaust gas passing through said first ejector, a gas outlet beyond said second ejector, through which some of said exhaust gas is expelled, and a fluid inlet between said gas outlet and said second ejector, a fluid reservoir connected by a conduit to said fluid inlet, and a needle valve adjacent to said air inlet opening regulating air intake into said exhaust gas conduit at an air intake opening, said air intake opening being spaced from and yet close to and in alignment with said gas outlet, so that the gas therein and the fluid contained therein are fed to said air intake in a manner avoiding coupling of the fluid intake to said intake manifold.

Claim 23

A combustion control system for an engine having an intake manifold with a butterfly valve, a PCV gas inlet opening into said intake manifold, and exhaust manifold, and a PCV gas conduit, including in combination: a vortex device having a vortex chamber with a tangential inlet and a central axial inlet, and a cusp-like curved wall leading to an axial outlet, a first venturi tube connecting said axial outlet to said PCV gas inlet opening of said intake manifold, a second venturi tube connecting said tangential inlet to said PCV gas conduit, an exhaust gas conduit connecting said exhaust manifold to said axial inlet and having therein first and second parallel ejectors, with an air inlet opening beyond said first ejector, through which air is pulled in by the action of the exhaust gas passing through said first ejector, a gas outlet beyond said second ejector, through which some of said exhaust gas is expelled, and a fluid inlet between said gas outlet and said second ejector, a fluid reservoir connected by a conduit to said fluid inlet, and a needle valve adjacent to said air inlet opening regulating air intake into said exhaust gas conduit at an air intake opening, said air intake opening being spaced from and yet close to and in alignment with said gas outlet, so that the gas therein and the fluid contained therein are fed to said air intake in a manner avoiding coupling of the fluid intake to said intake manifold.

Claim 24

A combustion control system for an engine having an intake manifold with a butterfly valve, a PCV gas inlet opening into said intake manifold below said butterfly valve, an exhaust manifold, and a PCV gas conduit, including in combination: a vortex device having a vortex chamber with a tangential inlet and a central axial inlet into an end wall, and a second tapered and curved end wall leading to an axial outlet, a first venturi tube connecting said axial outlet to said PCV gas inlet opening of said intake manifold, a second venturi tube connecting said tangential inlet to said PCV gas conduit. an exhaust gas conduit connecting said exhaust manifold to said axial inlet and having therein a first ejector and an air inlet opening between said first ejector and said axial inlet, through which air is pulled in by the action of the exhaust gas passing through said first ejector, an auxiliary conduit smaller in diameter than said exhaust gas conduit and opening from it ahead of said first ejector, said auxiliary conduit having a second ejector therein, a gas outlet beyond said second ejector, and a fluid inlet between said gas outlet and said second ejector, a fluid reservoir connected by a conduit to said fluid inlet, and a needle valve adjacent to said air inlet opening regulating air intake into said exhaust gas conduit at an air intake opening, said air intake opening being spaced from and yet close to and in alignment with said gas outlet, so that the gas therein and the fluid contained therein are fed to said air intake in a manner avoiding coupling of the fluid intake to said intake manifold.

Claim 25

A combustion control system for an engine having an intake manifold with a butterfly valve, a PCV gas inlet opening into said intake manifold below said butterfly valve, an exhaust manifold, and a PCV gas conduit, including in combination: a vortex device having a vortex chamber with a tangential inlet and a central axial inlet into an end wall, and a second tapered and curved end wall leading to an axial outlet, a first venturi tube connecting said axial outlet to said PCV gas inlet opening of said intake manifold, a second venturi tube connecting said tangential inlet to said PCV gas conduit. an exhaust gas conduit connecting said exhaust manifold to said axial inlet and having therein a first ejector and an air inlet opening between said first ejector and said axial inlet, through which air is pulled in by the action of the exhaust gas passing through said first ejector, an auxiliary conduit smaller in diameter than said exhaust gas conduit and opening from it ahead of said first ejector, said auxiliary conduit having a second ejector therein, a gas outlet beyond said second ejector, and a fluid inlet between said gas outlet and said second ejector, a fluid reservoir connected by a conduit to said fluid inlet, and a needle valve adjacent to said air inlet opening regulating air intake into said exhaust gas conduit at an air intake opening, said air intake opening being spaced from and yet close to and in alignment with said gas outlet, so that the gas therein and the fluid contained therein are fed to said air intake in a manner avoiding coupling of the fluid intake to said intake manifold.