Monolithic metallic drive shafts which are resistant to corrosio

Details Monolithic metallic drive shafts which are resistant to corrosio Monolithic metallic drive shafts which are resistant to corrosio

1995-01-12

1996-03-19

Sotelo, Jesus D.

Marine propulsion

Screw propeller

Shafting

464179, 148212, 148318, 148904, B63H 2334

Patent

active

054999367

ABSTRACT:
A monolithic metallic drive shaft for a marine propulsion device is disclosed which is resistant to corrosion. The drive shaft comprises proximal and distal end portions, each of which has a predetermined surface hardness. The surface hardness of one of the proximal and distal end portions is greater than the surface hardness of the other of the proximal and distal end portions.

REFERENCES:
patent: 3344817 (1967-10-01), Connard
patent: 3952686 (1976-04-01), Pichl
patent: 4191363 (1980-03-01), Shank
patent: 5085713 (1992-02-01), Morishita et al.
"Guide to Selecting Engineering Materials", Advanced Mat's & Processes, vol. 137, Issue 6, pp. 82-83 (Jun. 1990).
"Selecting Materials for Wear Reistance", Advanced Mat'ls & Processes, vol. 137, Issue 6, pp. 117-118 (Jun. 1990).
Kirk-Othmer, Concise Encyclopedia of Chemical Technology, pp. 753-754 (1985).
Machine Design, pp. 941-945 (Jun. 1991).
Machine Design, pp. 25-30 (Apr. 1980).

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