An internal combustion engine including a crankcase and a cylinder head are described, including at least one cylinder block, at least one flat flange surface for accommodating at least one oil cooler, at least one oil cooler, at least one coolant inlet to the oil cooler, at least one coolant outlet from the oil cooler, and at least one internal cooling section.

A combination cooling/filtration device is for cooling and filtering lubricant in an outboard motor. The device includes a body; a lubricant cooler configured to cool the lubricant, the lubricant cooler having an inlet port that receives cooling fluid and an outlet port that discharges the cooling fluid; a filter configured to filter the lubricant; and a lubricant passage extending through the body. The lubricant passage is configured to convey the lubricant from upstream to downstream, and in particular to the lubricant cooler, then to the filter, and then to an engine of the outboard motor. The body is axially elongated from top to bottom, the filter is mounted on the top of the body, and the lubricant cooler is located in the body below the filter.

A hybrid propulsion system includes a heat engine configured to drive a heat engine shaft. An electric motor configured to drive a motor shaft. A transmission system is connected to receive rotational input power from each of the heat engine shaft and the motor shaft and to convert the rotation input power to output power. A first lubrication/coolant system is connected for circulating a first lubricant/coolant fluid through the heat engine. A second lubricant/coolant system in fluid isolation from the first lubrication/coolant system is connected for circulating a second lubricant/coolant fluid through the electric motor.

A hybrid propulsion system includes a heat engine configured to drive a heat engine shaft. An electric motor configured to drive a motor shaft. A transmission system is connected to receive rotational input power from each of the heat engine shaft and the motor shaft and to convert the rotation input power to output power. A first lubrication/coolant system is connected for circulating a first lubricant/coolant fluid through the heat engine. A second lubricant/coolant system in fluid isolation from the first lubrication/coolant system is connected for circulating a second lubricant/coolant fluid through the electric motor.

A one-piece cast metallic adaptor for a filtering assembly that provides for direct threading of associated components to the adaptor. The adaptor provides an enclosed flow path for lubricant to flow between an engine lubrication network and a filter housing.

An engine device including a cylinder block having one side portion to which a flywheel that is rotated integrally with a crankshaft is disposed. The engine device is provided with a starter that transmits a rotational force to the flywheel at a time of engine start. A flywheel housing, which accommodates the flywheel and includes a starter attachment pedestal for attaching the starter, is attached to the one side portion of the cylinder block. The starter is disposed inner side of the engine than a portion of the flywheel housing, the portion being located outermost in the engine with respect to a direction that is perpendicular to a direction along a crankshaft center and that is parallel to the cylinder head joining surface of the cylinder block.

A structural frame is provided. The structural frame includes a bottom surface, first and second cylinder block sidewall engaging surfaces, the first and second cylinder block sidewall engaging surfaces positioned above the bottom surface at a height that is above a centerline of a crankshaft support included in a cylinder block when the structural frame is coupled to the cylinder block.

A valve group (10) is housed in a duct (40) of a support body (4) of an oil filtering assembly or a temperature management assembly. The valve group (10) is provided with a valve body (11) fixed to the support body (4), an obturator (15) fitted axially movably on the valve body (11) and obturator positioner and mover (18). The obturator (15) is movable by the obturator positioner and mover (18) as a function of the oil temperature values respectively in a first, a second and a third operating configuration, in which the oil is cooled, heated, for example by a heat exchanger, or sent directly to the filtering device. The obturator (15) is movable by the obturator positioner and mover (18) as a function of the oil pressure values directly to the filtering device, preventing oil access to the heat exchanger.

An engine device including a cylinder block having one side portion to which a flywheel that is rotated integrally with a crankshaft is disposed. The engine device is provided with a starter that transmits a rotational force to the flywheel at a time of engine start. A flywheel housing, which accommodates the flywheel and includes a starter attachment pedestal for attaching the starter, is attached to the one side portion of the cylinder block. The starter is disposed inner side of the engine than a portion of the flywheel housing, the portion being located outermost in the engine with respect to a direction that is perpendicular to a direction along a crankshaft center and that is parallel to the cylinder head joining surface of the cylinder block.

An assembly includes a valve integration unit attached to a transmission oil heater. The valve integration unit includes a valve mechanism and a housing having first to sixth fluid ports for oil input and output. The interior space of the housing has three portions, including a second portion defining a valve chamber and a third portion defining a bypass flow passage between the first and second portions. The valve mechanism has a temperature responsive actuator and first, second and third valve members. The movement of the first and second valve members is actuated by the temperature responsive actuator. The third valve member and the third valve opening are located in the second portion of the interior space. The third valve member is actuatable in response to a pressure differential between the first and second portions of the interior space.