US1077219A - Thermal generator. - Google Patents

Thermal generator. Download PDF

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Publication number
US1077219A
US1077219A US78384113A US1913783841A US1077219A US 1077219 A US1077219 A US 1077219A US 78384113 A US78384113 A US 78384113A US 1913783841 A US1913783841 A US 1913783841A US 1077219 A US1077219 A US 1077219A
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elements
thermal
thermal generator
junctures
supporting member
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US78384113A
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William W Coblentz
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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects

Definitions

  • the object of my invention is to provide a device whereby llght rays may be utilized to generate an electric current of such a capacity as to do useful work.
  • a further object of my invention is to provide a thermal generator of cheap and strong construction, requiring absolutely no attention and having no parts which can get out of order.
  • FIG. 1 represents a top plan view of one practical embodiment of my invention.
  • Figs. 2 and 3 represent side and end sectional views, respectively, of the embodiment illustrated in Fig. 1.
  • Fig. 4 represents a wiring diagram.
  • the casing 1 may be of any suitable con tour and may be of any suitable material, such as Wood or metal, which will give the requisite stiffness.
  • This supporting member 2 serves the purpose of supporting the thermal elements/ of the generator.
  • Said supporting member may be of any suitable material and may take any suitable form, but in practice it will be found'convenient to make this member 2 of concrete, which, being a .good insulator will prevent short circuiting between the thermal elements.
  • the concrete may be reinforced in any suitable manner.
  • the thermal eleme s may be any of the materials well known in the art, such as, .for.example,-constantan or bismuth for one of the elements, and copper or iron for the other. These elements are firmly em bedded in the, concrete as illustrated.
  • the thermal elements 3 and 4 are connected to one another above and below the supporting member 2. At the junctures-which lie above the member 2 are sol- These receivers are covered with a thin layer 6 of a substance such as asphaltum, which will absorb a large portion of the incident light.
  • the substance chosen must of course be an insulator to prevent short circuiting.
  • the elements 3 and 4 are arranged in parallel rows. rangement may of course be used. will of course be apparent that the relative thicknesses of the asphaltum 6 and the concrete 2 are distorted and exaggerated in the figures. This distortion is necessary for the purposes of illustration.
  • the box portion provided by the casing 1 and the sheets of glass 7 should be more or less air tight to prevent the convection of heat. It has been found that in a thermally well insulated box Any other arcovered with two or three sheets of ordinary window glass it is possible to obtain a rise 1n temperature of 100 degrees centigrade, or even more, above the surrounding tempera- .ture, winter or summer.
  • the diameters of the wires should be so chosen that loss of heat by conduction from the hot junctures is a minimum. As is known, this is approximately attained by choosing the radii of the wires comprising the two thermal elements so that the ratio between the heat conductivity and the electrical resistance is the same in both.
  • the cold junctures lying below the supporting member 2 may be shielded from the light and heat by means of the walls 8 or by any other convenient means.
  • One practical way of accomplishing this purpose is to have these portions arranged under water.
  • the structure illustrated will be sutficient to cause such a difference in temperature between the hot and cold j unctures of the thermal elements when strong light from the sun is admitted to the casing 1' that a current of electricity will be produced of sufiicient strength to do useful work.
  • the device readily lends itself to the adaptation of concave mirrors or other suitable 'means to concentrate the light or heat rays.
  • Fig. 4 shows one means of connecting the rows of elements. It is apparent that any other arrangement of connections may be used. y
  • thermo generator the combination of joined elements providing hot junctures and cold junctures, receivers for said hot junctures, alayer of heat-absorbing material surrounding said receivers, and a casing provided with a transparent cover inclosing said hot junctures.
  • thermo generator in combination, a supporting member of cementitious material, thermal elements embedded in and extending throu h said supporting member,
  • said elements being joined to one another on both sides of said supporting member, a layer of heat absorbing materlal surrounding one set of junctures, a casing provided with a transparent cover inclosmg' said layer, said transparent cover permitting light'to strike said layer.

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Description

W. W. GOBLENTZ.
THERMAL GENERATOR.
APPLIOATION FILED AUG. 8, 1913. 1197731 9, Patented Oct. 28, 1913.
immms mww F/ X 5555 5555 3 III 7110 A VIIIII/IA'I lhven iorx v MMW 0% v UNITED AZflENT oFFIoE.
WILLIAM ,W.. CO.BL ENTZ, or wAsHINeTom DISTRICT or COLUMBIA. l i
* THERMAL GENERATOR.
Specification of Letters fatent. Patented Oct. 28, 1913.
-Application.flledAugust. 8, 1913. serialmo ntmel.
(DEDICATED TO IKE JFHBLIC.)
"tion.
This application is made under the act of March 3, 1883, chapter 143 (U. SnStatute XXII, page 625), and the lnvcnt-ion'herein described and claimed may be used by the Government of the United States or any of its oflicers or employees in the prosecution of work for the United States or by any person in the United States without payment of any royalty thereon.
The object of my invention is to provide a device whereby llght rays may be utilized to generate an electric current of such a capacity as to do useful work.
A further object of my invention is to provide a thermal generator of cheap and strong construction, requiring absolutely no attention and having no parts which can get out of order.
Further objects will be apparent from the detailed description and from the drawings, in which- Figure 1 represents a top plan view of one practical embodiment of my invention. Figs. 2 and 3 represent side and end sectional views, respectively, of the embodiment illustrated in Fig. 1. Fig. 4: represents a wiring diagram.
Similar reference characters refer similar parts in all the figures.
The casing 1 may be of any suitable con tour and may be of any suitable material, such as Wood or metal, which will give the requisite stiffness. Inside of said casing and resting on a suitable inwardly projecting portion of said casing is the supporting member 2. This supporting member 2 serves the purpose of supporting the thermal elements/ of the generator. Said supporting member may be of any suitable material and may take any suitable form, but in practice it will be found'convenient to make this member 2 of concrete, which, being a .good insulator will prevent short circuiting between the thermal elements. The concrete may be reinforced in any suitable manner. The thermal eleme s may be any of the materials well known in the art, such as, .for.example,-constantan or bismuth for one of the elements, and copper or iron for the other. These elements are firmly em bedded in the, concrete as illustrated.
As may-be seen froman inspection of the drawing, the thermal elements 3 and 4 are connected to one another above and below the supporting member 2. At the junctures-which lie above the member 2 are sol- These receivers are covered with a thin layer 6 of a substance such as asphaltum, which will absorb a large portion of the incident light. The substance chosen must of course be an insulator to prevent short circuiting. As illustrated, the elements 3 and 4 are arranged in parallel rows. rangement may of course be used. will of course be apparent that the relative thicknesses of the asphaltum 6 and the concrete 2 are distorted and exaggerated in the figures. This distortion is necessary for the purposes of illustration.
Mounted in the casing 1 above the layer 6 are arranged one or more sheets of glass 7, separated by air spaces. The box portion provided by the casing 1 and the sheets of glass 7 should be more or less air tight to prevent the convection of heat. It has been found that in a thermally well insulated box Any other arcovered with two or three sheets of ordinary window glass it is possible to obtain a rise 1n temperature of 100 degrees centigrade, or even more, above the surrounding tempera- .ture, winter or summer.
The diameters of the wires should be so chosen that loss of heat by conduction from the hot junctures is a minimum. As is known, this is approximately attained by choosing the radii of the wires comprising the two thermal elements so that the ratio between the heat conductivity and the electrical resistance is the same in both.
The cold junctures lying below the supporting member 2 may be shielded from the light and heat by means of the walls 8 or by any other convenient means. One practical way of accomplishing this purpose is to have these portions arranged under water.
The structure illustrated will be sutficient to cause such a difference in temperature between the hot and cold j unctures of the thermal elements when strong light from the sun is admitted to the casing 1' that a current of electricity will be produced of sufiicient strength to do useful work. The device readily lends itself to the adaptation of concave mirrors or other suitable 'means to concentrate the light or heat rays.
Fig. 4 shows one means of connecting the rows of elements. It is apparent that any other arrangement of connections may be used. y
Having thus described my invention, what I claim as new and desire to secure by Letters Patent is as follows:
1. In a thermal generator, the combination of joined elements providing hot junctures and cold junctures, receivers for said hot junctures, alayer of heat-absorbing material surrounding said receivers, and a casing provided with a transparent cover inclosing said hot junctures.
2. In a thermal generator, in combination, a supporting member of cementitious material, thermal elements embedded in and extending throu h said supporting member,
said elements being joined to one another on both sides of said supporting member, a layer of heat absorbing materlal surrounding one set of junctures, a casing provided with a transparent cover inclosmg' said layer, said transparent cover permitting light'to strike said layer.
In testimony whereof I in the presence of two witnesses.
Witnesses:
WALTER B. EMERSON, PHILIP VARNUM WELLS.
aflix my signature WILLIAM w. COBLENTZ.
US78384113A 1913-08-08 1913-08-08 Thermal generator. Expired - Lifetime US1077219A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2472759A (en) * 1945-05-03 1949-06-07 Raspet August Thermopile for measuring air temperatures
US2562770A (en) * 1946-03-23 1951-07-31 Electro Mechanical Res Inc Thermal receiver and method for producing same
US2666089A (en) * 1951-06-01 1954-01-12 Univ California Hemispherical radiometer sensing unit
US2984696A (en) * 1959-03-09 1961-05-16 American Mach & Foundry Solar thermoelectric generators
US3053923A (en) * 1959-07-31 1962-09-11 Gen Dynamics Corp Solar power source
US3088989A (en) * 1963-05-07 Vzzzzzzm
DE2806337A1 (en) * 1978-02-15 1979-08-16 Edgar K Brossmann SOLAR COLLECTOR FOR IMMEDIATE CONVERSION OF THE SUPPLIED HEAT ENERGY INTO ELECTRICAL ENERGY
US20090260667A1 (en) * 2006-11-13 2009-10-22 Massachusetts Institute Of Technology Solar Thermoelectric Conversion
US20100186794A1 (en) * 2007-05-21 2010-07-29 Gmz Energy ,Inc. Solar thermoelectric and thermal cogeneration
ITRM20110295A1 (en) * 2011-06-13 2012-12-14 Giovanni Facchiano SOLAR MODULE.
US9331258B2 (en) 2013-02-25 2016-05-03 Colorado School Of Mines Solar thermoelectric generator

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3088989A (en) * 1963-05-07 Vzzzzzzm
US2472759A (en) * 1945-05-03 1949-06-07 Raspet August Thermopile for measuring air temperatures
US2562770A (en) * 1946-03-23 1951-07-31 Electro Mechanical Res Inc Thermal receiver and method for producing same
US2666089A (en) * 1951-06-01 1954-01-12 Univ California Hemispherical radiometer sensing unit
US2984696A (en) * 1959-03-09 1961-05-16 American Mach & Foundry Solar thermoelectric generators
US3053923A (en) * 1959-07-31 1962-09-11 Gen Dynamics Corp Solar power source
DE2806337A1 (en) * 1978-02-15 1979-08-16 Edgar K Brossmann SOLAR COLLECTOR FOR IMMEDIATE CONVERSION OF THE SUPPLIED HEAT ENERGY INTO ELECTRICAL ENERGY
US20090260667A1 (en) * 2006-11-13 2009-10-22 Massachusetts Institute Of Technology Solar Thermoelectric Conversion
US8168879B2 (en) 2006-11-13 2012-05-01 Massachusetts Institute Of Technology Solar thermoelectric conversion
US20100186794A1 (en) * 2007-05-21 2010-07-29 Gmz Energy ,Inc. Solar thermoelectric and thermal cogeneration
ITRM20110295A1 (en) * 2011-06-13 2012-12-14 Giovanni Facchiano SOLAR MODULE.
WO2012172584A1 (en) * 2011-06-13 2012-12-20 Res S.R.L. Solar module
US9331258B2 (en) 2013-02-25 2016-05-03 Colorado School Of Mines Solar thermoelectric generator

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