F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
115/3
F02B 61/04 (2006.01) F02B 75/16 (2006.01) F01P 3/20 (2006.01) F02B 1/04 (2006.01) F02B 75/00 (2006.01) F02B 75/02 (2006.01) F02F 1/24 (2006.01)
Patent
CA 1243555
ABSTRACT OF THE DISCLOSURE An outboard engine structure including an extension case having a hollow portion formed therein and extending downwardly, the extension case being coupled with the lower surface of a crankcase of a vertical type engine, and including a driving shaft contained in the hollow portion of the extension case for transmitting power of the crank- shaft of the engine to a propeller shaft, wherein a cylinder block is connected at the rear of the engine with a cylinder head and slidably receives a piston in its cylinder bore, an exhaust passage block is interposed between the cylinder head and an extension section projected from the top of the extension case backwardly, and an exhaust port in the cylinder head communicates through an exhaust passage formed in the block with the hollow portion of the exten- sion case. Water jacket is provided to surround the com- bustion chamber in the cylinder head and the cylinder bore to the axial intermediate portion of the bore, and the inlet and outlet passages for the water jacket are formed in the cylinder head.
487253
Watanabe Yoshimi
Yamashita Kazuya
Honda Giken Kogyo Kabushiki Kaisha
Marks & Clerk
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