JPS5592550A - Cryogenic refrigerant feeder for superconductive rotor - Google Patents
Cryogenic refrigerant feeder for superconductive rotorInfo
- Publication number
- JPS5592550A JPS5592550A JP16551978A JP16551978A JPS5592550A JP S5592550 A JPS5592550 A JP S5592550A JP 16551978 A JP16551978 A JP 16551978A JP 16551978 A JP16551978 A JP 16551978A JP S5592550 A JPS5592550 A JP S5592550A
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- feed tube
- rotary
- cryogenic
- liquid feed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Motor Or Generator Cooling System (AREA)
- Superconductive Dynamoelectric Machines (AREA)
Abstract
PURPOSE: To prevent heat infiltration into the cryogenic liquid with a simple construction by means of a stepped part or a tapered section provided on the inner surface of a rotary liquid feed tube.
CONSTITUTION: As a cryogenic refrigerant 6 flows into a rotary liquid feed tube 2 from a fixed liquid feed tube 1 as indicated by the arrow, the liquid produces a centrifugal force with the rotation of the tube 2 so that the flow thereof shifts to the larger diameter portion along the inner surface of the lquid feed tube 2 with an aid of a stepped part 8. Therefore, in the rotary clearance 5, a thrust develops in the direction of the dotted arrow due to the flow of the liquid moved outward in the radial direction by the centrifugal force, and controls a circulating current between the gaseous phase part and the lqiudi phase part caused by a gas flow moving inward in the raidal direction depending on the difference in the density of gas in the clearance 5. This can reduce heat filtration into the cryogenic liquid due to this circulating current and helps prevent the heat from filtration into the liquid without particular consideration given to the flexural rigidity and the dimensional accuracy of the rotary liquid feed tube.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16551978A JPS5592550A (en) | 1978-12-28 | 1978-12-28 | Cryogenic refrigerant feeder for superconductive rotor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16551978A JPS5592550A (en) | 1978-12-28 | 1978-12-28 | Cryogenic refrigerant feeder for superconductive rotor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5592550A true JPS5592550A (en) | 1980-07-14 |
Family
ID=15813925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16551978A Pending JPS5592550A (en) | 1978-12-28 | 1978-12-28 | Cryogenic refrigerant feeder for superconductive rotor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5592550A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4489578A (en) * | 1982-12-27 | 1984-12-25 | Kabushiki Kaisha Komatsu Seisakusho | Slide stop position control apparatus of a press |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4954805A (en) * | 1972-09-29 | 1974-05-28 | ||
JPS52111603A (en) * | 1976-03-17 | 1977-09-19 | Hitachi Ltd | Liquid helium feeding apparatus for super conductive rotary machine |
-
1978
- 1978-12-28 JP JP16551978A patent/JPS5592550A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4954805A (en) * | 1972-09-29 | 1974-05-28 | ||
JPS52111603A (en) * | 1976-03-17 | 1977-09-19 | Hitachi Ltd | Liquid helium feeding apparatus for super conductive rotary machine |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4489578A (en) * | 1982-12-27 | 1984-12-25 | Kabushiki Kaisha Komatsu Seisakusho | Slide stop position control apparatus of a press |
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