US3596713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-solid heat transport system
Assignee: Astro Dynamics Inc
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Filing: 1969-01-27
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Granted: 1971-08-03
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Expires: 1989-01-27
Abstract
Abstract The present disclosures deals with the utilization of a plurality of particles disposed within a transport fluid and each containing either a high heat of fusion material or a high heat of vaporization material bound within an impermeable housing that is nonreactive with the fluid and the said material and that enables the absorption of heat within such particles to the substantial exclusion of the fluid, whereby the fluid may remain at a substantially fixed temperature.
Inventors
- 👤 Leonhard Katz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:02
CPC Classifications
F; F28; F28D; F28D20/00; F28D20/02; F28D20/023; C; C09; C09K; C09K5/00; C09K5/02; C09K5/06; F01; F01P; F01P9/00; F24; F24D; F24D12/00; F28D19/00; Y; Y02; Y02E; Y02E60/00; Y02E60/14; Y10; Y10S; Y10S165/00; Y10S165/902; Y10S376/00; Y10S376/90; Y10S376/904; Y10S376/905
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
135 words
A system in which a transport fluid is moved between a source and a sink of heat, said fluid being provided with a plurality of particles disposed within the fluid and each containing a material which changes phase with high-heat absorption bound within an impermeable expansible housing that is nonreactive with the fluid and the said material over the temperature range of operation of the system, said material being free to change phase and cause said housing to expand and said particles being of a type which changes its buoyancy condition when said material changes phase, said system including means for subjecting said particles to temperatures which cause change of phase of said material and which cause the buoyancy condition of said particles to change and promote natural convection of the particles in the fluid.
Claim 2
Independent Claim
135 words
A system in which a transport fluid is moved between a source and a sink of heat, said fluid being provided with a plurality of particles disposed within the fluid and each containing a material which changes phase with high-heat absorption bound within an impermeable expansible housing that is nonreactive with the fluid and the said material over the temperature range of operation of the system, said material being free to change phase and cause said housing to expand and said particles being of a type which changes its buoyancy condition when said material changes phase, said system including means for subjecting said particles to temperatures which cause change of phase of said material and which cause the buoyancy condition of said particles to change and promote natural convection of the particles in the fluid.
Claim 3
Dependent Claim
20 words
A system as set forth in claim 1 and in which said material is a high heat of fusion material.
Claim 4
Dependent Claim
20 words
A system as set forth in claim 1 and in which said material is a high heat of vaporization material.
Claim 5
Dependent Claim
19 words
A system as set forth in claim 1 and in which said particles are further provided with radioactive means.
Claim 6
Dependent Claim
19 words
A system as set forth in claim 1 and in which said particles are further provided with radiation-absorbing means.
Claim 7
Dependent Claim
23 words
A system as set forth in claim 1 and in which different particles are provided with materials of different change of phase temperatures.
Claim 8
Dependent Claim
19 words
A system as set forth in claim 1 and in which said particles are further provided with magnetic means.
Claim 9
Dependent Claim
26 words
A system as set forth in claim 1 and in which means is provided for pumping said fluid and particles between the source and the sink.
Claim 10
Dependent Claim
37 words
A system as set forth in claim 1 and in which the source and the sink are connected by a fluid recirculation loop disposed to permit gravity to affect the convection of the fluid and the particles.
References Cited (Backward Citations)
US2846421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |