An air passage and a cooling water passage can be formed in an intercooler provided on a small planing boat. A cooling water inlet of a cooling water passage in the intercooler can be provided at the lower end of the intercooler. A cooling water outlet can be at the upper end of the intercooler. The
An air passage and a cooling water passage can be formed in an intercooler provided on a small planing boat. A cooling water inlet of a cooling water passage in the intercooler can be provided at the lower end of the intercooler. A cooling water outlet can be at the upper end of the intercooler. The intercooler can be vertically elongated and disposed at the front side of the engine. Further, a discharge port of a supercharger can be directed upwardly and an air inlet of the intercooler can be provided on the intercooler at the upper part. Furthermore, the intercooler, the supercharger and an intake manifold can be arranged such that when viewed in the lateral direction, the intercooler and supercharger overlap each other and when viewed in the longitudinal direction, the intercooler and intake manifold can also overlap each other. Moreover, the intercooler can be of a two-pass type.
대표청구항▼
What is claimed is: 1. A small planing boat comprising a hull, an engine supported by the hull and connected to an intake passage configured to introduce air into the engine, an exhaust passage configured to guide exhaust gas away from the engine, a crankshaft disposed so as to extend generally in
What is claimed is: 1. A small planing boat comprising a hull, an engine supported by the hull and connected to an intake passage configured to introduce air into the engine, an exhaust passage configured to guide exhaust gas away from the engine, a crankshaft disposed so as to extend generally in a longitudinal direction of the hull, and an intercooler configured to cool air to be supplied to the engine with cooling water, the intercooler including an upper end, a lower end, an internal air passage, a cooling water passage configured to guide cooling water into thermal communication with the air passage, at least one cooling water inlet, and at least one cooling water outlet, wherein either the at least one cooling water inlet is disposed at the upper end and the cooling water outlet is disposed at the lower end or the cooling water inlet is disposed at the lower end and the cooling water outlet is disposed at the upper end, a compressor configured to compress air and to supply the compressed air to the intercooler, the compressor having a compressed air discharge port directed approximately parallel to a center axis of a cylinder provided in the engine, either one of the air inlet and the air outlet of the air passage is disposed at the upper part of the intercooler and the other at the lower part of the intercooler, and if the discharge port of the compressor is directed upwardly, the air inlet of the intercooler is disposed at the upper part of the intercooler and if the discharge port of the compressor is directed downwardly, the air inlet of the intercooler is disposed at the lower part of the intercooler. 2. The small planing boat according to claim 1, wherein the intercooler is disposed along a side of the engine, with a longitudinal direction of the intercooler oriented generally vertically. 3. The small planing boat according to claim 1, wherein the intercooler, the compressor and an intake manifold form the intake passage and are disposed such that when viewed from a direction perpendicular to a rotational axis of the crankshaft and perpendicular to the center axis of the cylinder, the intercooler and the compressor overlap each other at least partly and when viewed from the rotational axis of the crankshaft, the intercooler and the intake manifold overlap each other at least partly. 4. The small planing boat according to claim 2, wherein the intercooler, the compressor and an intake manifold form the intake passage and are disposed such that when viewed from a direction perpendicular to a rotational axis of the crankshaft and perpendicular to the center axis of the cylinder, the intercooler and the compressor overlap each other at least partly and when viewed from the rotational axis of the crankshaft, the intercooler and the intake manifold overlap each other at least partly. 5. The small planing boat according to claim 1, wherein the intercooler is a two-pass type of intercooler. 6. The small planing boat according to claim 2, wherein the intercooler is a two-pass type of intercooler. 7. The small planing boat according to claim 3, wherein the intercooler is a two-pass type of intercooler. 8. The small planing boat according to claim 4, wherein the intercooler is a two-pass type of intercooler. 9. The small planing boat according to claim 1 additionally comprising a cooling water supply device configured to supply cooling water to the inlet of the intercooler during operation of the watercraft, the cooling water supply device being configured to allow cooling water to drain from the cooling water inlet when the engine is not operating.
Aichinger, Manfred; Tscherne, Rudolf; Wolfsgruber, Alois; Sonnleitner, Michael; Holzleitner, Johann, Four stroke engine having power take off assembly.
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Aichinger,Manfred; Tscherne,Rudolf; Wolfsgruber,Alois; Sonnleitner,Michael; Holzleitner,Johann, Watercraft having a four stroke engine with a supercharger.
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