Internal-combustion engines – Vibration compensating device – Balancing arrangement
Patent
1993-02-02
1994-02-01
Kamen, Noah P.
Internal-combustion engines
Vibration compensating device
Balancing arrangement
123149D, 74574, F02B 7506
Patent
active
052824446
ABSTRACT:
The invention provides a power transmitting system for a small boat, such as a water jet propulsion craft, and more particularly, an improved arrangement for connecting an engine output shaft to a propulsion unit input shaft. Also provided is an arrangement for balancing an engine within the craft against undesirable operational forces tending to render the craft unstable. The connecting assembly includes a coupling arrangement utilizing elastomeric vibration dampening members. One of the dampening members possesses a high degree of elasticity, while another of the dampening members possesses a low degree of elasticity. A durable, yet efficient vibration dampening coupling arrangement, which is additionally able to act as a universal joint, is thereby achieved. The engine balancing arrangement includes a flywheel which rotates in response to the crankshaft assembly of the engine. The flywheel is weighted, and rotates in a direction opposite to that of the crankshaft assembly, so that a rotational momentum is achieved by the flywheel to offset undesirable rotational forces created by the crankshaft assembly
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Ito Kazumasa
Tasaki Hiroshi
Beutler Ernest A.
Kamen Noah P.
Sanshin Kogyo Kabushiki Kaisha
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