Piezoelectric lubricating device for a bearing

Lubrication – Systems – With mist or fog means

Patent

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Details

Other Related Categories

184 61, 184 74, 184 551, 2391022, F01M 100

Type

Patent

Status

active

Patent number

050206362

Description

ABSTRACT:
A lubricating device for a bearing across which a gas pressure gradient exists includes a piezoelectric tubule operating as a pump receiving a lubricant and introducing the lubricant into a propellant gas stream passing through the bearing due to a pressure gradient across the bearing. At least one sensor determines the operating state of the bearing and an electric current supply is connected between the at least one sensor and the piezoelectric tubule.

REFERENCES:
patent: 992503 (1911-05-01), Howard
patent: 2853948 (1958-09-01), Aspelin
patent: 2912064 (1959-11-01), Friedell
patent: 3520641 (1970-07-01), Casey
patent: 3674112 (1972-07-01), Roberts
patent: 4276857 (1981-07-01), Martin
patent: 4284174 (1981-08-01), Salvana et al.
patent: 4388343 (1983-06-01), Voss et al.
patent: 4519751 (1985-05-01), Begkman et al.
patent: 4527661 (1985-07-01), Johnstone et al.
patent: 4774909 (1988-10-01), Dolderer
German Publication: "Kugellager-Zeitschrift", 208, 1981, S.4 to 10.

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