Cooling system for emission gases of an electronically controlled engine

A cooling system suitable for cooling emission gasses from a fuel injection engine, wherein the fuel injection engine includes a turbocharger, the cooling system comprising a turbocharger housing for at least partially encasing the turbocharger, wherein the turbocharger housing comprises:

• an outer fluid chamber and an inner insulation chamber;
• wherein the turbocharger housing includes:
• an internal housing defining the insulation chamber,
• an external housing, and
• a housing fluid chamber defined between the internal and external housings while the turbocharger is receivable within the insulation chamber;
• the turbocharger housing further including a fluid cooled lid including a lid fluid chamber,
• the fluid cooled lid being removably locatable atop the internal and external housings such that cooling fluid passes through the lid fluid chamber and through the housing fluid chamber;
• the turbocharger housing being configured to prevent rapid cooling of emission gasses as they pass through the turbocharger, while simultaneously shielding the turbocharger's external surface from the atmosphere;
• and
• an exhaust cooler adapted for rapidly cooling emission gasses before the exhaust gasses are released to the atmosphere, wherein
• the cooling system being configured such that engine emission gasses are maintained at relatively high temperatures until they pass through the exhaust cooler, when the emission gasses undergo rapid cooling.

A cooling system suitable for cooling emission gasses from a fuel injection engine, wherein the cooling system comprises:

• a catalytic converter housing for at least partially encasing a catalytic converter of the fuel injection engine, wherein
• the catalytic converter housing is a substantially cylindrical housing and includes a cylindrical internal housing, defining the insulation chamber, and terminating at one end thereof in a first end wall, and a co-axial, radially outwardly disposed cylindrical external housing, terminating at one end thereof in a second end wall which is parallel to and axially disposed from the first end wall;
• wherein
• a fluid chamber is defined between the internal housing and the external housing, while the catalytic converter is receivable within the insulation chamber;
• and wherein
• the catalytic converter housing further includes a fluid inlet and a fluid outlet for allowing circulation of cooling fluid through the fluid chamber;
• and wherein
• the catalytic converter housing includes a fluid seal which radially extends between the internal and external housings for sealing the fluid chamber;
• and wherein
• the catalytic converter housing includes a removable housing plate which is seated against and connectable to the fluid seal once the catalytic converter is in place, the housing plate including an outlet aperture for allowing outlet of emission gasses from the catalytic converter housing;
• and
• an exhaust cooler adapted for rapidly cooling emission gasses exiting the catalytic converter before they are released to the atmosphere,
• the cooling system being configured such that engine emission gasses are maintained at relatively high temperatures until they pass through the exhaust cooler, when the emission gasses undergo rapid cooling.

A turbocharger system suitable for use in a fuel injection engine, the turbocharger system comprising:

• a turbocharger housing, and
• a turbocharger which is at least partially encased in the turbocharger housing, the turbocharger housing comprising an outer fluid chamber and an inner insulation chamber;
• wherein the turbocharger housing includes an internal housing, defining the insulation chamber, and an external housing, wherein
• a housing fluid chamber is defined between the internal and external housings, while the turbocharger is receivable within the insulation chamber;
• the turbocharger housing further including a fluid cooled lid including a lid fluid chamber, the fluid cooled lid being removably locatable atop the internal and external housings, wherein
• cooling fluid passes through the lid fluid chamber and through the housing fluid chamber;
• the turbocharger housing being configured to prevent rapid cooling of emission gasses as they pass through the turbocharger, while simultaneously shielding the turbocharger's external surface from the atmosphere.

A catalytic converter system suitable for use in a fuel injection engine comprising:

• a catalytic converter housing, and
• a catalytic converter which is at least partially encased in the catalytic converter housing, wherein
• the catalytic converter housing is a substantially cylindrical housing and includes a cylindrical internal housing defining the insulation chamber and terminating at one end thereof in a first end wall;
• and a co-axial, radially outwardly disposed cylindrical external housing terminating at one end thereof in a second end wall which is parallel to and axially disposed from the first end wall;
• and wherein
• a fluid chamber is defined between the internal housing and the external housing while the catalytic converter is receivable within the insulation chamber;
• and wherein
• the catalytic converter housing further includes a fluid inlet and a fluid outlet for allowing circulation of cooling fluid through the fluid chamber;
• and wherein
• the catalytic converter housing includes a fluid seal which radially extends between the internal and external housings for sealing the fluid chamber;
• and wherein
• the catalytic converter housing includes a removable housing plate which is seated against and connectable to the fluid seal once the catalytic converter is in place, the housing plate including an outlet aperture for allowing outlet of emission gasses from the catalytic converter housing.

An exhaust cooler suitable for use in a fuel injection engine comprising:

• a base formation;
• a geometrically spaced, parallel roof formation;
• a plurality of elongate cooling fins extending parallel to each other between the roof formation and the base formation, wherein
• each cooling fin comprises an internal gas channel having an inlet and an outlet, and an outwardly disposed external fluid channel having an inlet and an outlet, such that a chamber is defined between the internal and the external channels such that hot emission gasses from the engine pass through the internal channel between the inlet and the outlet, while simultaneously cooling fluid passes through the external channel between the inlet and the outlet such that thermal energy from the hot emission gasses are transferred to the cooling fluid;
• and wherein
• the roof formation includes a primary gas inlet and a gas inlet manifold which is operatively associated with the primary gas inlet as well as with the gas inlet of each internal gas channel such that emission gas enters the exhaust cooler through the primary gas inlet and is dissipated to the internal gas channel of each cooling fin through the gas inlet manifold;
• and
• wherein the base formation includes a primary gas outlet, and a gas outlet manifold which is operatively associated with the primary gas outlet, as well as with the gas outlet of each internal gas channel such that emission gas exits the exhaust cooler through the gas outlet of each internal gas channel and is channelled to the primary gas outlet through the gas outlet manifold.

A supercharger system suitable for use in a fuel injection engine, comprising:

• a supercharger housing;
• and
• a supercharger at least partially encased in the supercharger housing, wherein the supercharger housing includes:
• (i) an outer fluid chamber and an inner insulation chamber,
• (ii) an internal housing defining the insulation chamber, and an external housing,
• (iii) a housing fluid chamber which is defined between the internal housing and the external housing while the supercharger is receivable within the insulation chamber;
• and
• (iv) a fluid cooled lid with a lid fluid chamber, the fluid cooled lid being removably locatable atop the internal and external housings such that cooling fluid passes through the lid fluid chamber and through the housing fluid chamber.