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Satellite, Pump

GEAR PUMP

For Spacecraft Thermal Control

Technology and design derived from CNES R&T.
› 2 manufactured prototypes
› Cumulated test duration > 1 year
› Correlated performance model

Main
benefits

Pump performances in conformance with known S/C manufacturer expectations:

  • Flow rate (150 l/h)
  • Pressure rise (DPMAX = 1.5 bar)
  • Operating temperature (TQUALIF = +85°C)
  • Two-phase fluid functioning (tolerant to bubbles)
  • Limited sub-cooling

Structure
and motorisation

  • EM Pump Test (mid-2020)
  • Pump lifetime demonstration with EM Model (begins in 2020)
  • CDR Review and Qualification campaign (begins in 2020)

Key features

Working Fluid
—–

Ammonia / Water

Other fluids on demand

TSTART-UP = -70°C
TMAX FLUID = +85°C

Nominal Flow rate
—-

150 l/h (0.041 l/s)

Maximum pressure rise
—-

1.5 bar (21.76 psi)

Mass
—-

5 kg (without electronic box)

Electrical consumption
—-

45 W (without electronic box)

Industrialization of processes
—-

> Decreases production costs
> Manufacturing of small series (e.g. 4-10 pumps per year)

Partners

Address: 6 Chemin de Vignalis, 31130 FLOURENS, FRANCE | Phone: +33 (0)5 61 24 26 16
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