Patent US4132115A successfully refreshed from Google Patents.
US4132115A
Expired / Lapsed
US
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Device for producing conditions in a flowing medium, especially in a nuclear reactor, permitting measurement of a representative temperature
Assignee: Interatom Internationale Atomreaktorbau GmbH
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Filing: 1977-04-25
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Granted: 1979-01-02
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Expires: 1997-04-25
Abstract
Abstract Device for producing conditions in a flowing medium permitting measurement of a representative temperature includes a twist-producing stage and a twist-reducing stage disposed serially in flow direction of the flowing medium within the flow cross section thereof and upstream of a temperature measuring sensor.
Inventors
- 👤 Annelie Benemann
- 👤 Norbert Schult
- 👤 Peter Voj
- 👤 Bernhard Hosemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:15
CPC Classifications
G; G01; G01K; G01K13/00; G01K13/02; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
61 words
Device for producing conditions in a flowing medium permitting measurement of a representative temperature comprising a twist-producing stage and a twist-reducing stage disposed serially in flow direction of the flowing medium within the flow cross section thereof and upstream of a temperature measuring sensor, said twist-producing stage being formed of a twist member comprising a plurality of spatially curved guide plates.
Claim 2
Dependent Claim
61 words
Device for producing conditions in a flowing medium permitting measurement of a representative temperature comprising a twist-producing stage and a twist-reducing stage disposed serially in flow direction of the flowing medium within the flow cross section thereof and upstream of a temperature measuring sensor, said twist-producing stage being formed of a twist member comprising a plurality of spatially curved guide plates.
Claim 3
Dependent Claim
21 words
Device according to claim 1 wherein said plurality of spatially curved guide plates are substantially helically and circularly symmetrically disposed blades.
Claim 4
Dependent Claim
16 words
Device according to claim 1 wherein said guide plates are disposed on a substantially stream-lined hub.
Claim 5
Dependent Claim
71 words
Device for producing conditions in a flowing medium permitting measurement of a representative temperature comprising a twist-producing stage and a twist-reducing stage disposed serially in flow direction of the flowing medium within the flow cross section thereof and upstream of a temperature measuring sensor, said twist-reducing stage, as a rectifier, being formed of a plurality of rib-like members extending from inclined to perpendicularly to the flow direction of the flowing medium.
Claim 6
Dependent Claim
71 words
Device for producing conditions in a flowing medium permitting measurement of a representative temperature comprising a twist-producing stage and a twist-reducing stage disposed serially in flow direction of the flowing medium within the flow cross section thereof and upstream of a temperature measuring sensor, said twist-reducing stage, as a rectifier, being formed of a plurality of rib-like members extending from inclined to perpendicularly to the flow direction of the flowing medium.
Claim 7
Dependent Claim
23 words
Device according to claim 4 wherein said rib-like members are members selected from the group consisting of ribs, mandrels, rods and narrow blades.
Claim 8
Dependent Claim
41 words
Device according to claim 4 including means having a wall surface for defining the flow cross section, said rib-like members extending substantially from the axis of the flow cross section in radial direction up to at least near said wall surface.
Claim 9
Dependent Claim
16 words
Device according to claim 6 wherein said rib-like members extend over the entire flow cross section.
Claim 10
Dependent Claim
82 words
Device according to claim 4 wherein said twist-producing stage is formed of a plurality of spatially curved guide plates, and a substantially stream-lined hub whereon said guide plates are disposed, said hub having a downstream extension in flow direction of the medium, and said twist-reducing stage is formed of a plurality of rib-like members extending from inclined to perpendicularly to the flow direction of the medium, at least part of said rib-like members being disposed on said downstream extension of said hub.
Claim 11
Dependent Claim
18 words
Device according to claim 8 wherein said extension has a smaller cross section than that of said hub.
Claim 12
Dependent Claim
20 words
Device according to claim 4 wherein said rib-like members are disposed in sets serially in flow direction of the medium.
Claim 13
Dependent Claim
21 words
Device according to claim 10 wherein said sets of rib-like members are disposed in respective planes extending radially to the axis.
Claim 14
Dependent Claim
44 words
Device according to claim 4 wherein said rib-like members have a cross section that is substantially flat in width, and are directed at an adjustment angle inclined to the direction of flow of the medium in a manner similar to that of an airscrew.
Claim 15
Dependent Claim
14 words
Device according to claim 12 wherein said rib-like members have radially varying adjustment angles.
Claim 16
Dependent Claim
32 words
Device according to claim 12 wherein said rib-like members respectively have a pair of narrow surfaces, at least one of which is disposed substantially in a plane extending perpendicularly to the axis.
Claim 17
Dependent Claim
46 words
Device according to claim 12 wherein said twist-producing stage is formed of a twist member comprising a plurality of substantially helically and circularly symmetrically disposed blades, and said adjusting angles of said rib-like members and the pitch of said helically disposed blades differ from one another.
Claim 18
Dependent Claim
27 words
Device according to claim 15 wherein said adjusting angles of said rib-like members and the pitch of said helically disposed blades are directed opposite to one another.
Claim 19
Dependent Claim
63 words
Device for producing conditions in a flowing medium permitting measurement of a representative temperature comprising a twist-producing stage and a twist-reducing stage disposed serially in flow direction of the flowing medium within the flow cross section thereof and upstream of a temperature measuring sensor, said twist-reducing stage having a greater length in flow direction of the medium than that of the twist-producing stage.
Claim 20
Dependent Claim
63 words
Device for producing conditions in a flowing medium permitting measurement of a representative temperature comprising a twist-producing stage and a twist-reducing stage disposed serially in flow direction of the flowing medium within the flow cross section thereof and upstream of a temperature measuring sensor, said twist-reducing stage having a greater length in flow direction of the medium than that of the twist-producing stage.
Claim 21
Dependent Claim
105 words
Device for producing conditions in a flowing medium permitting measurement of a representative temperature comprising a twist-producing stage and a twist-reducing stage disposed serially in flow direction of the flowing medium within the flow cross section thereof and upstream of a temperature measuring sensor, in combination with a nuclear fuel element having a jacket-like can and formed with a fuel element head, said twist-producing and said twist-reducing stages being received in a sleeve, and said sleeve, in a lower section thereof, having a cross section matching funnel-like the cross section of a fuel element can and being disposed in vicinity of said fuel element head.
Claim 22
Dependent Claim
105 words
Device for producing conditions in a flowing medium permitting measurement of a representative temperature comprising a twist-producing stage and a twist-reducing stage disposed serially in flow direction of the flowing medium within the flow cross section thereof and upstream of a temperature measuring sensor, in combination with a nuclear fuel element having a jacket-like can and formed with a fuel element head, said twist-producing and said twist-reducing stages being received in a sleeve, and said sleeve, in a lower section thereof, having a cross section matching funnel-like the cross section of a fuel element can and being disposed in vicinity of said fuel element head.
Claim 23
Dependent Claim
35 words
Device according to claim 18 including an equalizing stage in the form of a flow channel free of obstructions is disposed within said fuel element head between said twist-reducing stage and the temperature measuring sensor.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-01-01 | 1982-07-03 | 1983-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-01-01 | 1986-07-03 | 1987-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-01-01 | 1990-07-03 | 1991-01-02 | $7700.00 | Window Closed / Lapsed |