Water jet propulsion unit

Details Water jet propulsion unit Water jet propulsion unit

1991-05-09

1992-10-06

Sotelo, Jesus D.

Marine propulsion

Jet drive

440112, 277 58, B63H 1100

Patent

active

051527049

ABSTRACT:
A water jet propulsion unit having a housing, a drive shaft, an impeller for mounting on the drive shaft, and a thrust bearing for supporting the drive shaft in the housing. The propulsion unit further includes a shaft seal unit for the shaft, with the housing having a forward end and a rear end, a bore with a longitudinal axis for slidingly receiving the shaft seal unit form the rear of the housing, with the shaft seal unit and the bearing carried on the shaft, a shoulder for preventing forward movement of the bearing in the bore along the axis beyond a predetermined position, and a lateral opening for access through the housing to the shaft seal unit, and a retainer moveable through the lateral opening for engagement with the shaft seal unit and the housing for limiting rearward movement of the shaft seal unit in the bore.

REFERENCES:
patent: 3413008 (1968-11-01), Greiner
patent: 3726531 (1973-04-01), Pagan et al.
patent: 4448425 (1984-05-01), Von Bergen

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