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NASA-LLIS-0130
Lessons Learned - Fuel Cell Coolant Loop Vacuum Pump
Year: 1992
Abstract: Description of Driving Event:
The units contain a vacuum pump driven by 1/2 HP electric motor, a shutoff valve, a vacuum break valve and an oil trap tank. The -1 and -2 units consist of GFE previously used on the apollo program and modified by the addition of quick disconnect couplings, a vacuum read-out gage, and fluid hoses. Also, replacement of components not compatible with the fuel cell coolant FC-40 and electrical system modifications have been made to meet shuttle program use requirements. The pump has provision for oil separation; however, if the system's volume is sufficiently large, oil vapor may be sucked from the pump into the system.
The units contain a vacuum pump driven by 1/2 HP electric motor, a shutoff valve, a vacuum break valve and an oil trap tank. The -1 and -2 units consist of GFE previously used on the apollo program and modified by the addition of quick disconnect couplings, a vacuum read-out gage, and fluid hoses. Also, replacement of components not compatible with the fuel cell coolant FC-40 and electrical system modifications have been made to meet shuttle program use requirements. The pump has provision for oil separation; however, if the system's volume is sufficiently large, oil vapor may be sucked from the pump into the system.
Subject: Ground Equipment
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| contributor author | NASA - National Aeronautics and Space Administration (NASA) | |
| date accessioned | 2017-09-04T15:12:20Z | |
| date available | 2017-09-04T15:12:20Z | |
| date copyright | 09/24/1992 | |
| date issued | 1992 | |
| identifier other | LWYCQCAAAAAAAAAA.pdf | |
| identifier uri | https://yse.yabesh.ir/std/handle/yse/10818 | |
| description abstract | Description of Driving Event: The units contain a vacuum pump driven by 1/2 HP electric motor, a shutoff valve, a vacuum break valve and an oil trap tank. The -1 and -2 units consist of GFE previously used on the apollo program and modified by the addition of quick disconnect couplings, a vacuum read-out gage, and fluid hoses. Also, replacement of components not compatible with the fuel cell coolant FC-40 and electrical system modifications have been made to meet shuttle program use requirements. The pump has provision for oil separation; however, if the system's volume is sufficiently large, oil vapor may be sucked from the pump into the system. | |
| language | English | |
| title | NASA-LLIS-0130 | num |
| title | Lessons Learned - Fuel Cell Coolant Loop Vacuum Pump | en |
| type | standard | |
| page | 2 | |
| status | Active | |
| tree | NASA - National Aeronautics and Space Administration (NASA):;1992 | |
| contenttype | fulltext | |
| subject keywords | Ground Equipment | |
| subject keywords | Hardware |