Backup pump for aircraft instrument system including heater

Details Backup pump for aircraft instrument system including heater Backup pump for aircraft instrument system including heater

1985-11-15

1987-06-30

Barefoot, Galen

Aeronautics and astronautics

Miscellaneous

60 39093, 137341, 303 1, B64D 4700

Patent

active

046764542

ABSTRACT:
A pump system for use with an air operated instrument system of an aircraft. A primary pump is connected to an air operated instrument and a backup pump is provided in the event of failure of the primary pump. Heated air from the discharge port of the primary pump is used to heat the backup pump during operation of the primary pump.

REFERENCES:
patent: 2228315 (1941-01-01), Hutton
patent: 2655308 (1953-10-01), Luttman
patent: 2704085 (1955-03-01), Bieger et al.
patent: 2978169 (1961-04-01), Stanton
patent: 2979074 (1961-04-01), Yanda
patent: 4364268 (1982-12-01), Zompolas

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