JET PUMP AND NUCLEAR REACTOR

JET PUMP AND NUCLEAR REACTOR

PROBLEM TO BE SOLVED: To provide a jet pump capable of shortening a time required for remodeling, and improving efficiency. SOLUTION: This jet pump 10 includes a nozzle 11, a bell mouth 12, a throat 13 including an upper throat 13A and a lower throat 13B, and a diffuser 17. The upper throat 13A is b...

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Hauptverfasser: OTAKA MINORU, NIHEI KENICHI, HIRATSUKA SHINKO
Format: Patent
Sprache:eng
Schlagworte:
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
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creator OTAKA MINORU
NIHEI KENICHI
HIRATSUKA SHINKO
description PROBLEM TO BE SOLVED: To provide a jet pump capable of shortening a time required for remodeling, and improving efficiency. SOLUTION: This jet pump 10 includes a nozzle 11, a bell mouth 12, a throat 13 including an upper throat 13A and a lower throat 13B, and a diffuser 17. The upper throat 13A is bonded to the lower end of the bell mouth 12. In the lower throat 13B, a fitting part 28 is formed on the upper end, and a channel enlargement part 14 and a tapered part 15 are provided on the lower end. The tapered part 15 is connected to the lower end of the channel enlargement part 14, and a channel area is reduced gradually toward the lower end. In the diffuser 17, a fitting part 18 is formed on the upper end. The tapered part 15 is fitted into the fitting part 18 of the diffuser 17. The upper end of the fitting part 18 has a contact with the whole periphery of the tapered part 15, and the lower throat 13B and the diffuser 17 are sealed. A slip joint 16 is provided on the throat 13. COPYRIGHT: (C)2010,JPO&INPIT
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subjects NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
title JET PUMP AND NUCLEAR REACTOR
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