A cooling device of an outboard engine unit includes a cooling water passage for delivering cooling water from a water pump. The cooling water passage branches into a first passageway for cooling a cylinder block and cylinder head of an engine and a second passageway for cooling a case of a supercharger. Thus, the supercharger and the engine can be cooled to and kept at their respective appropriate temperatures.

Outboard engine unit

Methods and systems are provided for improving the vacuum generation efficiency of an ejector coupled to in an engine system. Vacuum is generated at the ejector at a faster rate but to a lower level by opening a throttle upstream of the ejector. Vacuum is then raised to a higher level but at a slower rate by closing the throttle upstream of the ejector.

Method and system for vacuum generation

A grille shutter device adapted to be arranged at a front portion of a vehicle body, the grille shutter device including a main air inlet taking air to flow the air to a specific heat exchanger arranged in the vehicle body, a shutter mechanism arranged at the main air inlet, the shutter mechanism opening and closing to control a flow rate of the air flowing from the main air inlet to the specific heat exchanger, and a bypass air inlet allowing the air to bypass the shutter mechanism to guide the air to the specific heat exchanger.

Grille shutter device

A fuel delivery system for a fuel burning engine of a vehicle and a method of operating the fuel delivery system is provided. As one example, the method includes separating a first fuel and a second fuel from a fuel vapor on-board the vehicle, said fuel vapor including at least an alcohol component and a hydrocarbon component and said first fuel including a higher concentration of the alcohol component than the fuel vapor and the second fuel; condensing the separated first fuel from a vapor phase to a liquid phase; delivering the condensed liquid phase of the first fuel to the engine; and combusting at least the condensed liquid phase of the first fuel at the engine.

On-board fuel vapor separation for multi-fuel vehicle

Watercraft automation and aquatic data utilization for aquatic efforts are disclosed. In one aspect, an anchor point is obtained and a watercraft position maintenance routine is actuated to control the watercraft to maintain association with the anchor point. In another aspect, prior aquatic effort data is obtained in association with an anchor point. In yet another aspect, current aquatic effort data is generated in association with an anchor point. In still another aspect, current aquatic effort data and prior aquatic effort data are utilized for prediction generation. In yet another aspect, current aquatic effort data and prior aquatic effort data are utilized to obtain another anchor point for a watercraft.

Watercraft automation and aquatic effort data utilization

A fuel supply system for an internal combustion engine comprises first and second fuel reservoirs connected in fluid communication with each other. The first fuel reservoir is a fuel vapor separator which has a vent conduit connected in fluid communication with a second fuel reservoir. Under normal operation, fuel vapor flows from the fuel vapor separator and into the second fuel reservoir for eventual discharge to the atmosphere. Any liquid fuel caused to flow out of the vent conduit of the fuel vapor separator is contained within the second fuel reservoir and prevented from being discharged into the cavity under the cowl of an outboard motor and eventually into a body of water in which the marine system is operated.

Marine engine with primary and secondary fuel reservoirs

An outboard marine drive having a midsection between the upper power head and the lower gear case and having a removable midsection cowl assembly including first and second cowl sections. The midsection housing includes an oil sump in one embodiment and further includes an exhaust passage partially encircled by cooling water and partially encircled by engine oil for muffling engine exhaust noise. The midsection housing also has an oil drain arrangement providing complete and clean oil draining while the outboard drive is mounted on a boat and in the water wherein the operator can change oil without leaving the confines of the boat and entering the water.

Midsection and cowl assembly for an outboard marine drive

A sealed fuse holder (10) adapted to receive a fuse (14) having a fuse body (16) with a pair of spaced parallel male blade terminals (18, 20) extending therefrom, includes a resilient rubber electrically insulating receptacle (12) having a front face (26) with an opening (28) defining a cavity (30) extending rearwardly therefrom and having a back wall (32) spaced rearwardly from the front face and having side walls (28, 30) extending from the front face at the opening rearwardly to the back wall. A pair of spaced electrically conducting female terminal-receiving clips (22, 24) extend rearwardly from the back wall and receive respective blade terminals inserted rearwardly thereinto. A first seal (38) provides sealing from the front, and a second seal (12) including the back wall (32) provides sealing from the rear. The combination seals the electrical contact surfaces and the fusible link, and provides moisture-proof and explosion-proof sealing in marine application.

Sealed fuse holder

A lubrication system for an in-line engine which has a piston symmetry plane that is tilted relative to a vertical plane is provided with an oil pan and windage tray that facilitates the transfer of oil from a rotating crankshaft to the oil pan without excessive aeration. In addition, it facilitates the removal of entrained air from liquid oil as it passes from the crankshaft to a pool of oil collected in an oil pan. A windage tray is provided with a louver structure and a louver opening structure that assists this passage of oil droplets without undue aeration being caused.

Lubrication system for a marine propulsion system with a tilted in-line engine

Intake air to the carburetor of a two-cycle engine is preheated by ducting ambient temperature outside air past hot engine surfaces. Preferably, a portion of the intake air duct includes a heat exchanger formed integrally with the outer wall of the engine exhaust manifold. The use of heated intake air enhances idle and low speed operation of the engine by reducing or eliminating fuel puddling and by narrowing the temperature range used for carburetor calibration.

Exhaust heated induction air for two-cycle engine

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