Power plants – Motive fluid energized by externally applied heat – Power system involving change of state
Patent
1977-03-02
1978-10-17
Ostrager, Allen M.
Power plants
Motive fluid energized by externally applied heat
Power system involving change of state
417339, 122 40, F01K 2300
Patent
active
041201604
ABSTRACT:
A power generation system having a low pressure source of water, means connected to the source of water for pressurizing the water to a substantially higher pressure, means for forming steam from the pressurized water, and a steam turbine for deriving mechanical motion from the steam. The pressurizing means uses first and second chambers of variable volumes. Valve means are associated with the first and second chambers so that water flows into the first chamber when its volume is expanding but water is not allowed to flow into the first chamber when its volume is contracting. Likewise, the valve means are utilized so that water flows into the second chamber when its volume is expanding but water is not allowed to flow into the second chamber when its volume is contracting. Furthermore, valve means are associated with the first chamber to allow pressurized water to flow out of the first chamber when its volume is contracting. Likewise, valve means are associated with the second chamber to allow pressurized water to flow out of the second chamber when its volume is contracting. Also disclosed are means for expanding the first chamber's volume when the second chamber is contracting to pressurize the water within that chamber, and means for contracting the first chamber's volume to pressurize the water therein when the second chamber's volume is expanding. Also disclosed are means for sensing when the first and second chambers' volumes are at their minimum volumes. The sensing means is connected to operate means for alternatively contracting and expanding the volumes of the first and second chambers so that low pressure water flows into the first chamber when relatively high pressure is flowing out the the second chamber; and so that low pressure water is flowing into the second chamber when relatively high pressure water is flowing out the first chamber. According to the disclosure, the improved pressurizer may be utilized in conjunction with a nuclear energy source.
REFERENCES:
patent: 1217165 (1917-02-01), Fessenden
patent: 3201031 (1965-08-01), Maglott
patent: 4023367 (1977-05-01), Izumi
Husar Stephen F.
Jackson William E.
Ostrager Allen M.
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