Cooling unit for use with a cooling system of internal combustion engines

A cooling unit for use with a cooling system of an internal combustion engine, the cooling system including an air-cooled radiator to reject heat from a coolant of the internal combustion engine, the cooling unit comprising:

• an air-cooled heat exchanger to reject heat from another medium to an air flow, the heat exchanger including an inlet for the air flow, an outlet for the air flow, and an outer perimeter extending between the inlet and the outlet;
• an air receiver connectable to the radiator and surrounding the outer perimeter of the heat exchanger, the air receiver including an inlet end for the air flow, an outlet end for the air flow, a first wall extending from the inlet end to the outlet end, a second wall extending from the inlet end to the outlet end opposite to the first wall, and an air duct extending between the inlet end and the outlet end of direct the air flow from the outlet of the heat exchanger to the outlet end of the air receiver, the inlet end and the inlet being substantially coplanar, a part of one of the first and second walls proximate to the outlet end being angled toward the other wall to direct the air flow;
• and
• at least one releasable clamp engaged with the air receiver to tighten the air receiver against the heat exchanger.

A cooling unit for use with a cooling system of an internal combustion engine, the cooling system including an air-cooled radiator to reject heat from a coolant of the internal combustion engine, the cooling unit comprising:

• an air-cooled heat exchanger to reject heat from another medium to an air flow, the heat exchanger including an inlet for the air flow, an outlet for the air flow, and an outer perimeter extending between the inlet and the outlet;
• an air receiver connectable to the radiator and surrounding the outer perimeter of the heat exchanger, the air receiver including an inlet end for the air flow, an outlet end for the air flow, a first wall extending from the inlet to the outlet end, a second wall extending from the inlet end to the outlet end opposite to the first wall, and an air duct extending between the inlet end and the outlet end of direct the air flow from the outlet of the heat exchanger to the outlet end of the air receiver, the inlet end and the inlet being substantially coplanar;
• and
• at least one releasable clamp and engaged with the air receiver to tighten the air receiver against the heat exchanger, the clamp comprising a tension member including:
• a first end engaged with the first wall proximate to the inlet end;
• a second end engaged with the second wall proximate to the inlet end;
• and
• an elongated part extending from the first end to the second end.

A cooling unit for use with a cooling system of an internal combustion engine, the cooling system including an air-cooled radiator to reject heat from a coolant of the internal combustion engine, the cooling unit comprising:

• an air-cooled heat exchanger to reject heat from another medium to an air flow, the heat exchanger including an inlet for the air flow, an outlet for the air flow, and an outer perimeter extending between the inlet and the outlet;
• an air receiver connectable to the radiator and surrounding the outer perimeter of the heat exchanger, the air receiver including an inlet end for the air flow, an outlet end for the air flow, and an air duct extending between the inlet end and the outlet end of direct the air flow from the outlet of the heat exchanger to the outlet end of the air receiver, the inlet end and the inlet being substantially coplanar;
• at least one releasable clamp and engaged with the air receiver to tighten the air receiver against the heat exchanger;
• at least one releasable fastener engaged with the air receiver to fasten the air receiver to the radiator;
• and
• a hook extending from the air receiver and spaced from the fastener, the hook adapted to be received in an opening of the radiator.

A cooling unit for use with a cooling system of an internal combustion engine, the cooling system including a first air-cooled heat exchanger to reject heat from a first medium, the cooling unit comprising:

• a second air-cooled heat exchanger to reject heat from another medium to an air flow, the second heat exchanger including an inlet for the air flow, an outlet for the air flow, and an outer perimeter extending between the inlet and the outlet;
• an air receiver connectable to the first air-cooled heat exchanger and surrounding the outer perimeter of the second heat exchanger, the air receiver including an inlet end for the air flow, an outlet end for the air flow, and an air duct extending between the inlet end and the outlet end to direct the air flow from the outlet of the second heat exchanger to the outlet end of the air receiver, the inlet end and the inlet being substantially coplanar;
• and
• at least one releasable clamp extending across the inlet end and engaged with the air receiver to tighten the air receiver against the second heat exchanger.

A cooling unit for use with a cooling system of an internal combustion engine, the cooling system including a first air-cooled heat exchanger to reject heat from a first medium, the cooling unit comprising:

• a second air-cooled heat exchanger to reject heat from another medium to an air flow, the second heat exchanger including an inlet for the air flow, an outlet for the air flow, and an outer perimeter extending between the inlet and the outlet;
• an air receiver connectable to the first air-cooled heat exchanger and surrounding the outer perimeter of the second heat exchanger, the air receiver including an inlet end for the air flow, an outlet end for the air flow, a first wall extending from the inlet end to the outlet end, a second wall extending from the inlet end to the outlet end opposite to the first wall;
• and an air duct extending between the inlet end and the outlet end to direct the air flow from the outlet of the second heat exchanger to the outlet end of the air receiver, the inlet end and the inlet being substantially coplanar;
• at least one releasable clamp engaged with the air receiver to tighten the air receiver against the second heat exchanger, the clamp comprising a tension member including a first end engagement the first wall proximate to the inlet end, a second end engaged with the second wall proximate to the inlet end, and an elongated part extended from the first end to the second end.
• 20.The cooling unit of claim 19 wherein
• the first end of the tension member,includes a bracket having an opening and extending from the elongated part to rest on the first wall;
• and
• the air receiver includes a catch extending away from the first wall proximate to the inlet end, the catch engaged in the opening of the bracket.

A cooling unit for use with a cooling system of an internal combustion engine, the cooling system including an air-cooled radiator to reject heat from a coolant of the internal combustion engine, the cooling unit comprising:

• an air-cooled heat exchanger to reject heat from another medium to an air flow, the heat exchanger including an inlet for the air flow, an outlet for the air flow, and an outer perimeter extending between the inlet and the outlet, the inlet spaced from the outlet by a width of the heat exchanger;
• an air receiver connectable to the radiator and surrounding the outer perimeter of the heat exchanger, the air receiver including
• an inlet end for the air flow;
• an outlet end for the air flow the inlet end and the inlet being substantially coplanar,
• an air duct including a first wall extending from the inlet end to the outlet end, and a second wall extending from the inlet end to the outlet end opposite to the first wall, a part of one of the first and second walls proximate to the outlet end angled toward the other wall to direct the air flow, each of the first and second walls including a shoulder spaced inward from the inlet end by a distance that approximates the width of the heat exchanger;
• a plurality of spaced first support ribs on an exterior side of at least one of the first and second walls, each of the first support ribs extending from the inlet end toward the outlet end;
• and
• a plurality of spaced second support rids connecting the first wall to the second wall, the second support ribs extending between the outlet of the heat exchanger and the outlet end of the air receiver;
• and
• at least one releasable clamp engaged with the air receiver to tighten the air receiver against the heat exchanger, the clamp including a first end engaged with the first wall proximate to the inlet end, a second end engaged with the second wall proximate to the inlet end, and an elongated part, the elongated part abutted against the inlet of the heat exchanger to retain the heat exchanger against the shoulders of the first and second walls.