Marine propulsion – With indicator
Patent
1989-11-22
1991-07-16
Sotelo, Jesus D.
Marine propulsion
With indicator
73182, B60L 114
Patent
active
050320939
ABSTRACT:
A nose cone comprising a substantially conical lower portion, defining an axis, and a hydrodynamic portion extending substantially normal to the axis with a smooth transition between the exterior surfaces of the conical portion and the hydrodynamic portion. The conical portion tapers into a tip which houses a metal tubing having an opening lying substantially on the axis and the opposite end of the tubing extends normal to the axis out through an end of the hydrodynamic portion remote from the tip. The metal tubing preferably has a gradual transition to minimize any pressure losses which may occur and can be cast within the nose cone assembly upon manufacture thereof or can be assembled thereafter. The rear portion of the nose cone assembly is provided with a recessed area for attaching the nose cone to the forward portion of a propulsion device. Alternatively, the propulsion device could be manufactured with components which substantially incorporate the shape of the nose cone and have the metal tubing incorporated therein.
REFERENCES:
patent: T981002 (1979-04-01), Snyder
patent: 2627181 (1953-02-01), Kiekhaefer
patent: 3210995 (1965-10-01), Kiekhaefer
patent: 4070909 (1978-01-01), Carpenter
patent: 4275603 (1981-06-01), Kalocsay
patent: 4832635 (1989-05-01), McCormick
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