Method and system for monitoring the propellant consumption of a

Details Method and system for monitoring the propellant consumption of a Method and system for monitoring the propellant consumption of a

1988-09-12

1990-12-18

Gruber, Felix D.

Boots, shoes, and leggings

7386141, 364510, G01F 180, G01F 900, G01F 15075, B64G 140

Patent

active

049791192

ABSTRACT:
To monitor continuously the propellant consumption of a space vehicle equipped with a plurality of propulsion units operated by activator means according to activation instructions received by the activator means, the number N of activation instructions applied to each propulsion unit from a reference time and their cumulative duration S are memorized. The mass M of propellant consumed since the reference time by each propulsion unit is computed from the equation:

REFERENCES:
patent: 3866025 (1975-02-01), Cavanagh
patent: 3977633 (1976-08-01), Keigler et al.
patent: 4550888 (1985-11-01), Douglass et al.
patent: 4609169 (1986-09-01), Schweickert et al.
patent: 4635885 (1987-01-01), Hujsak
patent: 4802333 (1989-02-01), Smith

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