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Low Pressure Drop Oxygen Flow Meter for the PLSS

Awardee

SPACE LAB TECHNOLOGIES, LLC

5455 SPINE RD STE ME
BOULDER, CO, 80301-3312
USA

Award Year: 2019

UEI: WDXTJ9AHNZ68

HUBZone Owned: No

Woman Owned: No

Socially and Economically Disadvantaged: Yes

Congressional District: 2

Tagged as:

SBIR

Phase II

Seal of the Agency: NASA

Awarding Agency

NASA

Total Award Amount: $754,982

Contract Number: 80NSSC19C0125

Agency Tracking Number: 186512

Solicitation Topic Code: H4

Solicitation Number: SBIR_18_P2

Abstract

The portable life support system (PLSS) of the advanced extravehicular mobility unit (AEMU) provides the necessary environment for a crew member to operate within the space suit.nbsp; Within the PLSS, the oxygen ventilation loop provides carbon dioxide washout, gas temperature control, humidity control, and trace contaminant removal.nbsp; Historically, there have been issues with the measurement of air flow for the oxygen ventilation loop.nbsp; With the Apollo EMU, there were humidity issues with the implemented flow meter.nbsp; For the Space Shuttle/ISS EMU, the flow sensor was a flapper/microswitch combination that only measured a discrete threshold for flow.nbsp; The proposed innovation allows for continuous air flow measurement from 1 to 8 acfm with static pressures of 3.5 to 25 psia in the pure oxygen environment.nbsp; This new method meets the low pressure drop requirement and allows operation beyond low earth orbit (LEO) with radiation hardened electronics.nbsp; An engineering demonstration unit (EDU) will be developed during Phase II.

Award Schedule

  1. 2018
    Solicitation Year

  2. 2019
    Award Year

  3. August 12, 2019
    Award Start Date

  4. August 11, 2021
    Award End Date

Principal Investigator

Name: Adam Escobar
Phone: (720) 309-8475
Email: adam@spacelabtech.com

Business Contact

Name: Dylan Graham
Phone: (228) 813-6103
Email: dylan.c.graham@nasa.gov

Research Institution

Name: N/A