Claims
- 1. A reactor pressure vessel penetration apparatus for feedwater delivery comprising an inlet feedwater line external to the pressure vessel, a flange formed on the end of the feedwater line that is adjacent to the pressure vessel, a nipple protruding from the pressure vessel surface, means for joining the feedwater line and the nipple, said nipple having a flange formed on the end thereof oppositely disposed to and in axial alignment with the feedwater line flange, a plate having an orifice formed in the center thereof interposed between the flanges, a thermal shield secured to the orifice plate and having an axis that is in general alignment with the orifice, said thermal shield protruding through the pressure vessel, a tube formed on the nipple flange and in axial alignment therewith extending through the pressure vessel in axial alignment about the thermal shield, and a sleeve of several laminations of reflective thermal insulation interposed in an annulus that is formed between the pressure vessel and the tube.
Parent Case Info
This is a division of application Ser. No. 626,820, filed Oct. 29, 1975; now U.S. Pat. No. 4,124,064 which is a division of application Ser. No. 327,349, filed Jan. 29, 1973, now U.S. Pat. No. 3,941,187; which is a continuation-in-part of application Ser. No. 162,359, filed July 14, 1971 and now abandoned.
US Referenced Citations (5)
Foreign Referenced Citations (1)
Number |
Date |
Country |
1130654 |
May 1962 |
DEX |
Divisions (2)
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Number |
Date |
Country |
Parent |
626820 |
Oct 1975 |
|
Parent |
327349 |
Jan 1973 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
162359 |
Jul 1971 |
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