Gear Pump

Telecommunication and Observation

Pump

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

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Gear Pump

telecommunications-and-observations

- Pump

Image Gear Pump
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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)
  • Operating with two-phase fluids (tolerant to bubbles)
  • Limited sub-cooling.

Next steps

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

Key
features

Working Fluid

Ammonia / Water

Maximum Pressure Rise

1.5 bar (21.76 psi)

Electrical Consumption

45 W (without electronic case)

TSTART-UP = -70 °C
TMAX FLUID = +85 °C

Mass

5 kg (without electronic case)

Industrialization of Processes

Decreased production costs.
Manufactured in small series (e.g. 4-10 pumps per year)

Nominal Flow Rate

150 l/h (0.041 l/s)

Other Fluids on Demand

Working fluid

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