Marine engine

Details Marine engine Marine engine

2007-03-09

2009-10-27

Olson, Lars A (Department: 3617)

Marine propulsion

Screw propeller

Having transmission

C440S083000, C440S08900C

Reexamination Certificate

active

07607958

ABSTRACT:
A boat has a hull, a deck having a deck floor, and an engine disposed in the hull. A top of the engine is disposed vertically below the deck floor. The engine includes a crankcase, a crankshaft, a pair of cylinder banks connected to the crankcase at an angle relative to each other. A transom extends generally vertically upwardly from a rear portion of the hull. A stern drive unit is connected to the transom and is operatively connected to the engine through the transom. In another aspect, a marine engine has a crankcase, a cylinder block, and a crankshaft. An output shaft is disposed vertically above the crankshaft. The output shaft is disposed at least partially internal to the engine. A drive, internal to the engine, is operatively connected to the crankshaft and the output shaft. A driveshaft coupling is disposed on the output shaft.

REFERENCES:
patent: 1745235 (1930-01-01), Svendsen et al.
patent: 4392832 (1983-07-01), Moberg
patent: 4925414 (1990-05-01), Newman
patent: 4972809 (1990-11-01), Hirasawa
patent: 5421756 (1995-06-01), Hayasaka
patent: 6273772 (2001-08-01), Smullin
patent: 6358109 (2002-03-01), Neisen
patent: 6568376 (2003-05-01), Sonnleitner et al.
patent: 6652336 (2003-11-01), Chambers
patent: 6971932 (2005-12-01), Maselter
patent: 7014519 (2006-03-01), Batten, Jr. et al.
patent: 7066777 (2006-06-01), Maselter
Mercury VAZER “All new engine and sterndrive system”, 2007.

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