Outboard engine assembly and internal combustion engine therefor

Details Outboard engine assembly and internal combustion engine therefor Outboard engine assembly and internal combustion engine therefor

1992-11-17

1994-05-10

Kamen, Noah P.

Internal-combustion engines

Liquid piston

1231922, 123579, 440900, F02F 700

Patent

active

053098773

ABSTRACT:
An outboard engine assembly for use on a boat has an engine mechanism including in an upper region thereof an engine having a substantially vertical crankshaft and a vertical array of substantially horizontal cylinders. The engine mechanism is mounted on the stern of the boat by an attachment. The attachment includes a stern bracket adapted to be fixed to the stern of the boat, a swivel case supported on the stern bracket for vertical angular movement, a substantially vertical swivel shaft supported on the swivel case for horizontal angular movement, and a pair of upper and lower supports mounted on the swivel shaft and supporting the engine mechanism. The engine has joint members coupled to the upper support at a position between adjacent two crankshaft counterbalances which correspond to adjacent two cylinders, respectively, as viewed in side elevation, the joint members having respective portions located within a path of the two crankshaft counterbalances as viewed in plan. The engine mechanism also has a balancer mechanism mounted on a front wall of the engine for attenuating engine vibrations, and a fuel supply assembly mounted on an engine side wall.

REFERENCES:
patent: 3742922 (1973-07-01), Hisatomi et al.
patent: 4846124 (1989-07-01), Suzuki et al.
patent: 5036805 (1991-08-01), Yamamoto et al.

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