Shaft pressure ring and method for lubricating shaft log seals

Details Shaft pressure ring and method for lubricating shaft log seals Shaft pressure ring and method for lubricating shaft log seals

1987-06-22

1989-08-29

Shoap, Allan N.

Marine propulsion

Screw propeller

Shafting

29428, 277 1, 277 68, 384 97, 416174, 416244B, 440112, B21D 3900, B63H 500, F04D 2906, F04D 2910

Patent

active

048612944

ABSTRACT:
A shaft pressure ring for use in conjuction with a boat having an inboard motor and a drive shaft protruding through a shaft logseal assembly mounted in the hull of the boat, the hull including a shaft log area surrounding the drive shaft, the shaft pressure ring comprising a deflector, the deflector having an inside diameter being annular in shape, the deflector being of a rigid material and adapted to be positioned upon the drive shaft a sufficient distance from the seal such that the shaft pressure ring will deflect a portion of the water passing beneath the hull of the boat in a direction toward, and onto, the shaft log seal. The splasher will continuously lubricate and cool the shaft log seal to prevent drying, burning, deterioration, and eventual leakage.

REFERENCES:
patent: 815740 (1906-03-01), Purvis
patent: 1239186 (1917-09-01), Jones
patent: 1364923 (1921-01-01), Faber
patent: 2203039 (1940-06-01), Aker
patent: 2416519 (1947-02-01), Fountain et al.
patent: 2541645 (1951-02-01), Fasoli
patent: 2945710 (1960-07-01), Freed et al.
patent: 3266578 (1966-08-01), McNeil
patent: 3371644 (1968-03-01), Yost
patent: 3504990 (1970-04-01), Sugden
patent: 3583356 (1971-06-01), Barker
patent: 3626894 (1971-12-01), Stuart
patent: 3851983 (1974-12-01), MacKenzie
patent: 4643687 (1987-02-01), Yano et al.

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