US3773031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for storing heat or cold
Assignee: Individual
•
Filing: 1971-07-09
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Granted: 1973-11-20
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Expires: 1991-07-09
Abstract
Abstract A device for storing heat or cold having a tank containing a liquid which flows through the tank and a fusible heat storage material disposed in one or more containers, and a cooling or heating system which is subjected to heat exchange only with the liquid in the tank. The storage material containers form a system of ducts in the tank to provide a circulation of the liquid through the tank when heat is yielded to or received from the storage material.
Inventors
- 👤 N Laing
- 👤 I Laing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:38
CPC Classifications
F; F28; F28D; F28D9/00; F28D9/04; F24; F24F; F24F5/00; F24F5/0007; F24F5/0017; F24H; F24H4/00; F24H4/02; F24H4/04; F25; F25D; F25D11/00; F25D11/006; F25D17/00; F25D17/04; F25D17/06; F25D3/00; F25D3/005; F28D20/00; F28D20/02; F28D20/023; Y; Y02; Y02E; Y02E60/00; Y02E60/14
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
200 words
A heat storage device comprising a tank having an outer wall and an inner wall spaced from said outer wall and sealed with respect thereto to form a hermetically sealed chamber free from air between said inner and outer walls, an insulating powder filling said chamber, perforated walls joining the inner wall at a bottom portion of said tank to form a compartment, a heater means in said compartment, a service liquid inlet fitting connecting the interior of the compartment with a sourcE of service liquid, an outer circulation tube extending from the interior of the compartment upwardly and diagonally with respect to said tank to the upper part of said tank diagonally opposite said compartment, an inner tube within said outer tube connecting the interior of the top portion of said tank to an outlet fitting by which service liquid may be withdrawn from said tank, and a plurality of heat storage packages having a heat storage material of high enthalpy characteristics packaged therein where said packages are positioned in said tank and exteriorly of said compartment whereby service liquid heated by said heater means may circulate upwardly through said tank and through spaces between adjacent heat storage packages.
Claim 2
Dependent Claim
200 words
A heat storage device comprising a tank having an outer wall and an inner wall spaced from said outer wall and sealed with respect thereto to form a hermetically sealed chamber free from air between said inner and outer walls, an insulating powder filling said chamber, perforated walls joining the inner wall at a bottom portion of said tank to form a compartment, a heater means in said compartment, a service liquid inlet fitting connecting the interior of the compartment with a sourcE of service liquid, an outer circulation tube extending from the interior of the compartment upwardly and diagonally with respect to said tank to the upper part of said tank diagonally opposite said compartment, an inner tube within said outer tube connecting the interior of the top portion of said tank to an outlet fitting by which service liquid may be withdrawn from said tank, and a plurality of heat storage packages having a heat storage material of high enthalpy characteristics packaged therein where said packages are positioned in said tank and exteriorly of said compartment whereby service liquid heated by said heater means may circulate upwardly through said tank and through spaces between adjacent heat storage packages.
Claim 3
Dependent Claim
17 words
A heat storage device according to claim 1 wherein said heat storage material is barium hydroxide octahydrate.
Claim 4
Dependent Claim
17 words
A heat storage device according to claim 1 wherein said packages are stainless steel ball shaped containers.
Claim 5
Dependent Claim
188 words
A heat storage device comprising a tank having an outer wall and an inner wall spaced from said outer wall and sealed with respect thereto to form a hermetically sealed chanber free from air between said inner and outer walls, an insulating powder filling said chamber, perforated walls joining the inner wall at the bottom portion of said tank to form a compartment in the tank, a heater means in said compartment, a service liquid inlet fitting connecting the interior of the compartment with a source of service liquid, means connecting the interior of the top portion of said tank to an outlet fitting by which service liquid may be withdrawn from said tank, and a plurality of heat storage packages each having a heat storage material of high enthalpy characteristics packaged therein where said packages are positioned in said tank externally of said compartment and separated from said heating means by said perforated walls whereby service liquid heated by said heater means may circulate upwardly through said tank and through spaces adjacent said heat storage packages to transfer heat from said heating means to each said package.
Claim 6
Dependent Claim
188 words
A heat storage device comprising a tank having an outer wall and an inner wall spaced from said outer wall and sealed with respect thereto to form a hermetically sealed chanber free from air between said inner and outer walls, an insulating powder filling said chamber, perforated walls joining the inner wall at the bottom portion of said tank to form a compartment in the tank, a heater means in said compartment, a service liquid inlet fitting connecting the interior of the compartment with a source of service liquid, means connecting the interior of the top portion of said tank to an outlet fitting by which service liquid may be withdrawn from said tank, and a plurality of heat storage packages each having a heat storage material of high enthalpy characteristics packaged therein where said packages are positioned in said tank externally of said compartment and separated from said heating means by said perforated walls whereby service liquid heated by said heater means may circulate upwardly through said tank and through spaces adjacent said heat storage packages to transfer heat from said heating means to each said package.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-19 | 1977-05-21 | 1977-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-19 | 1981-05-21 | 1981-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-19 | 1985-05-21 | 1985-11-20 | $7700.00 | Window Closed / Lapsed |