Piezoelectric lubricating device for a bearing

Details Piezoelectric lubricating device for a bearing Piezoelectric lubricating device for a bearing

1990-09-07

1991-06-04

Lazarus, Ira S.

Lubrication

Systems

With mist or fog means

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

Patent

active

050206362

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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