Patent Number: 060977787
Section: claims

1. A gravity driven suction pump system for a nuclear reactor including a gas chamber, said system comprising: a condenser configured to be submerged in a condenser pool of water;  at least one condensate drain line comprising a venturi section in fluid communication with said condenser and configured to deliver condensate-and noncondensible gases from said condenser to the gas chamber; and  at least one suction line extending from said condenser into said venturi section of said drain line.  an intake line in fluid communication with the gas chamber and a heat exchanger; and  said heat exchanger configured to utilize a condensate to deliver said noncondensible gases from said heat exchanger to the gas chamber.  a first header in fluid communication with said intake line wherein said intake line directs condensible and noncondensible gases to said first header;  a condensing section in fluid communication with said first header; and  a second header in fluid communication with said condensing section.  a condenser;  at least one condenser drain line comprising a venturi section and a loop seal;  at least one suction line extending from said condenser into said venturi section of said drain line.  a heat exchanger; and  an intake line in fluid communication with the gas chamber and said heat exchanger.  a first header in fluid communication with said intake line;  a condensing section in fluid communication with said first header; and  a second header in fluid communication with said condensing section. 2. A gravity driven suction pump system in accordance with claim 1 wherein said condenser comprises : 3. A gravity driven suction pump system in accordance with claim 2 wherein said heat exchanger comprises: 4. A gravity driven suction pump system in accordance with claim 3 wherein said condensing section comprises at least one condenser tube. 5. A gravity driven suction pump system in accordance with claim 3 wherein said condensing section comprises at least one condenser plate. 6. A gravity driven suction pump system in accordance with claim 3 wherein said at least one drain line is in fluid communication with the gas chamber and further comprises a loop seal between a first end and a second end of said drain line. 7. A gravity driven suction pump system in accordance with claim 6 further comprising N drain lines, in fluid communication with said second header of said condenser, a first said drain line directly coupled to said second header, said N drain lines positioned sequentially with respect to said first drain line, said first drain line through said N-1 drain line comprising a venturi section, and wherein N is an integer greater than or equal to 2. 8. A gravity driven suction pump system in accordance with claim 7 further comprising N-1 spill-over connection lines, each said spill-over line extending between and coupled at opposing ends to a first section of adjacent drain lines. 9. A gravity driven suction pump system in accordance with claim 8 further comprising a plurality of N-1 suction lines, wherein each said suction line extends from said second header into a corresponding drain line, each said suction line having a first end and a second end, said first end located in said second header, and said second end located in said venturi section of said drain line. 10. A gravity driven suction pump system in accordance with claim 9 wherein N is equal to 4. 11. A gravity driven suction pump system for a nuclear reactor system, the nuclear reactor system including a gas chamber, said gravity driven suction pump system comprising: 12. A gravity driven suction pump system in accordance with claim 11 wherein said condenser comprises: 13. A gravity driven suction pump system in accordance with claim 12 wherein said heat exchanger comprises: 14. A gravity driven suction pump system in accordance with claim 13 wherein said condensing section comprises at least one condenser tube. 15. A gravity driven suction pump system in accordance with claim 13 wherein said condensing section comprises at least one condenser plate. 16. A gravity driven suction pump system in accordance with claim 13 further comprising N drain lines, in fluid communication with said second header of said condenser, a first said drain line directly coupled to said second header, said N drain lines positioned sequentially with respect to said first drain line, said first drain line through said N-1 drain line comprising a venturi section, and wherein N is an integer greater than or equal to 2. 17. A gravity driven suction pump system in accordance with claim 16 further comprising N-1 spill-over connection lines, each said spill-over connection line extending between and coupled at opposing ends to a first section of adjacent drain lines. 18. A gravity driven suction pump system in accordance with claim 17 further comprising N-1 suction lines, wherein said suction line extends from said second header into corresponding drain line, each of said suction line having a first end and a second end, said first end located in said second header, and said second end located in said venturi section of said drain line.