Petroleum and synthetic grease thermoparticulating coating

Details Petroleum and synthetic grease thermoparticulating coating Petroleum and synthetic grease thermoparticulating coating

1978-10-27

1980-10-28

Gron, Teddy S.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

73 28, 73349, 252408, 310 55, 310 56, G08B 2100, G01K 1100, G01K 1300, G01K 102

Patent

active

042299748

ABSTRACT:
A petroleum or synthetic grease is used to protect electrical apparatus from overheating. The grease is applied to a portion of an electrical apparatus which is exposed to a gas stream, particularly to portions subjected to operating temperatures of about 100.degree. C. When the coated portion of the electrical apparatus overheats the grease forms particles in the gas stream which are detected by a monitor. The apparatus can then be shut down or its load reduced.

REFERENCES:
patent: 2671758 (1954-03-01), Vinograd et al.
patent: 3955417 (1976-05-01), Smith et al.
patent: 3957014 (1976-05-01), Phillips et al.
patent: 3995489 (1976-12-01), Smith et al.
patent: 4074137 (1978-02-01), Carson et al.
patent: 4080535 (1978-03-01), Phillips et al.
patent: 4142416 (1979-03-01), Smith et al.
Pietsch, H. E., et al., "Sacrificial Coatings for Improved Detection of Overheating in Generators," presented IEEE PES Winter Meeting, N.Y., N.Y. (Jan. 30-Feb. 4, 1977).
Fort, E. M., et al., "Detection and Identification of Overheated Components of Electrical Generators," IEEE-ASME Joint Power Generation Conference, Miami, Fla., (Sep. 15-19, 1974).
Carson, C. C., et al., "Immediate Warning of Local Overheating in Electrical Machines by the Detection of Pyrolysis Products," IEEE PES Summer Meeting, San Francisco, Cal. (Jul. 9-14, 1972).
Sexton, R. M., et al., "Chemical Monitoring of Hydrogen-Cooled Turbine Generators Brought up to Date," 42nd Annual Intern'l Conf. Doble Clients, Boston, Mass. (Apr. 1975).

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