US681095A - Solar oven and cooker. - Google Patents

Solar oven and cooker. Download PDF

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Publication number
US681095A
US681095A US2822300A US1900028223A US681095A US 681095 A US681095 A US 681095A US 2822300 A US2822300 A US 2822300A US 1900028223 A US1900028223 A US 1900028223A US 681095 A US681095 A US 681095A
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US
United States
Prior art keywords
oven
cooker
space
air
chamber
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.)
Expired - Lifetime
Application number
US2822300A
Inventor
Milton M Baker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUNSHINE WATER HEATER CO
Original Assignee
SUNSHINE WATER HEATER CO
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Publication date
Application filed by SUNSHINE WATER HEATER CO filed Critical SUNSHINE WATER HEATER CO
Priority to US2822300A priority Critical patent/US681095A/en
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Publication of US681095A publication Critical patent/US681095A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00Solar heat collectors specially adapted for particular uses or environments
    • F24S20/30Solar heat collectors for heating objects, e.g. solar cookers or solar furnaces
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
    • Y02B40/18Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers using renewables, e.g. solar cooking stoves, furnaces or solar heating
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

Description

No. sam s. Patented Aug. 20, |90|.
M. M. BAKER.
SOLAR OVEN AND COOKER. (Application filed Aug. 27I 1900.) (No Model.) 2 Sheets-$heet l WITNESSESm i INVENTOR.
W 13y w w,
ATTORNEY.
Patented Au 20, mm.
m. u. BAKER. SOLAR OVEN AND COOKER.
(Application filed m 27. 1900.)
2 SheetsSheait 2.
(no mm.)
JNVENf'OR.
WITNESSES A TTORNE Y:
UNITE States MILToNM. BAKER, or SAN FRANCISCO, CALIFORNIA, ASSIGNOR 'To THE SUNSHINE WATER HEATER 00., or SAME runes.
SOLAR, oven AND oooKeR.
SBEOIFICATIQN forming part of Letters Pate Application filed August 27, 1900. Serial No. 28,223- (No model.)
To all whom it may concern.-
Be it known that I, MILTON M. BAKER, a subject of the Queen; of Great Britain, residing atSan rancisco, in the county of'San Francisco and State] of California, have inventedcertain new and useful Improvements in Solar Ovens and Cookers, of which the following is a specification.
My invention relates to improvements in solar ovens and cookers, the object of myinvention being to provide a device by means of which the rays of the sun may be utilized for furnishing the heat necessary for baking or cooking.
My invention therefore resides in the novel construction, combination, and arrangement of parts for the above ends hereinafter fully specified, and particularly pointed out in the claims. 7 i I,
'IIitheaccompanying drawings,- Figure 1 is a perspective view of an oven and'cooker and {means for directing heat'thereto. Fig. 1 is a vertical section of one of the mirrors. Fig. 2 is an end elevation of the oven. Fig. 3 is a cross-section thereof. Fi g. 4 is a longitudinal section thereof. Fig. 5 is a perspective of a modified form of the device, showing the same tion.
adjustable for the varying positions of .the sun. Fig. 6 is a longitudinal central vertical section of. the cooker proper in this modifica- Fig. 7 is a cross-section on the line B of Fig. 6, and. Fig. Sis a cross-section on the line C C of Fig. 6.
Referring to the drawings, 1 represents an oven supported on pedestals 2, and 3 represents mirrors arranged opposite .to the rear side of said even. Said pedestals and mirrors are mounted on a platform 50 on rollers 51. This permits the cooker and mirrorsto be shifted to face the sun according to the time of day at which it is desired to do cooking or baking." Each mirror} is pivotally mounted on a standard 4, jointed at its lower the mirrors to be set at any angle thereon to end, as at 5, upon the platform 50 to swing to or from the oven and having a brace 6 hooked into'one of a series of eyes 7 to adjustably support the standard in any desired position. The mirrbrs are pivotally mounted on the standards as axis by means of staples 8, which fit snugly aroundsaid standards and enable direct the solar rays to the oven.
form, having its sides arranged obliquely to i the horizon, and the shelves 10 of said chamber are therefore arranged obliquely to said sides, as clearly shown in Fig. 4. Around the baking-chamber is an air-space 11, extending between the wall 12 of said bakingchamber, and the wall 13 extending outside of and parallel to said wall 12. Around the wall 13 is a packing 14, of a non-conductor of seaweed, said space being closed by a wall 15. Around said wall 15 is a packing 16of any cheap non-conducting material, such as sawdust, ashes, orcharcoal, ashes being preferred on account of the cheapness. packing is an outer wall 17,
The above is the construction of thewhole of three of the six sides of the oven and also of part of each of the other three sides. Two
and the other upper side, are aeranged to permit the rays of the sun indirect and direct to pass, therethrough to heat the oven, and for sidesa frame 18, having secured therein two sheets of glass 19 20 with an air-space 21 therebetween. Between the inner sheet 20 general air-space around the oven; but in said space in front of the oven, but separated from said oven and sheet by an air-space, is a baffle-plate 22, of metal, which protects the wall of the even from the rays of the sun.-
lower edges, as shown at 25, and is closed by a latch 26 at one of its upper sides. Said door is constructed with three sheets of metal 32 33 35, having therebetween an inner packing ing of ashes 3G or the like in the same manner as the remainder of the oven. The edges of'the door and of the opening into which it tight-fitting joint to prevent the esca, e of air. The door isprovided with a pyrometer, the disk of which is shown at 28. i
For the purpose of frying or broiling there is provided a plate 40, extending over,the tdp most ridge 41 of the oven horizontally. The
space between said plate and the ovenproper thispurpose there is provided oneach of'said The door of the oven is hinged at one of its shuts are lined with felt 27,. so as tip) form a is closed by walls 46, which also serve to sup-v 5 The baking-chamber 9 isrectangular in heat, such as a padding of felted wool or dry Around said of these latter, the side facing the mirrors 1 and the oven is a space forming part of the 34 of felted wool or the like and an outer packi port the plate. Said-plate is connected with the interior of the oven by two conduits 42,-
which at their lower ends communicate with the air-chamber 11. The under side of said plate 40 is thereby brought to a very high temperature. When it is desired to'concentrate the heat at one end of the plate 40, the other end-can be cut on from the heat by means of a shutter 44, operated by a handle 45, there being one such shutter for each of the conduits 42. p In the modification of the invention shown in Figs. 5, 6, 7, and 8vthe cooker proper may be adjusted for the varying altitude of the sun-,and for this purpose the oven proper is constructed with a semicylindrical rear por tiou and h-"asformed on its-rear portion cirenlarribs 52', which move inthe circular gin-ides 'or'bearings 53 of pedestals 54. g-ives-a readymeansof tiltingthe oven at differ'ent angles; so that-the transp'arentside thereof msy -be placed exactly at right an glosto'the directlon of the s'olar'ra'ys; The interte-r of th'e' oven as regards the arrangement 2 5 for retaining. the heat is of the same general G0flSt ll1Giii0l1'-&S*'ih the form ofginventional ready shown; but in "order to'p'r'event the tilt ing of theoven-to different angles and yet at theisa ne-tinre 5 maintain the shelves of the ovenhorizon-taliythebaking chamherproper, 9-, is made cylindrical in forrn and i is revolu eyser within the wall 12, the space between said casin'grtoc' and Wall 12-being an air-cham- 5 her; Thebafiie-plate 22in thie'constructiori is now'made of a .eurved'formto conform to the general shape of the bakingcham-ber proper. 'Ihefrying pIateAO is'now no longer supported upon the top of the oven, but is arranged 40 at the-end thereof opposite to the door, being supported a t-one end by a-standard 60 and at the other end-having a tubular extension 61, which ifits snugly within a sleeve 62- and extending to the air-chamber 11 of the oven. Air is admitted from said air chamber through the extension or pipe 61 to the chainber 63"below the frying-plate 40, said chamher-63 being packed on all sides, except the frying-plate, in'aman'nersimilar to the oven proper, A shutter 64, movable by a handle 65,- serves to close or openthe pipe 61 when desired. The end of the pipe 61 within the oven is secured to the baking-chamber proper by means of straps 66, and since'the frying- 5 5 plate and its chamber are held securely fixed in the pedestalthe result is that the baking-chamber proper will be retained in the same, position notwithstanding any adjustmentor tilting of the exterior portion of the 60 oven, and thus the shelves of the oven will always be maintained horizontal..
I claim 1. A solar cooker having a confined airspace", means for preventing the conduction 65 of heat from said air-space, said air-space bemg open on one side to the solar rays, a second confined air-space, a longitudinal plate This for broiling or frying forming one side ofthe inclosure of said latter space, a conduit from the first space to the second, and a movable shutter for closing said conduit, substantially as described.
t v 2. Asolar'cooker having'a cooking-chainher, a confined air-space aroun said cookingchamber, said air-space beir open on one side to the solar rays, a second confined airspace, a longitudinal plate for broilin g or fry ing forming one side of the inclosure of said solar rays, substantially as described.
4. A solar oven having its-rear portion formed in an arc of a circleand h'avinga circular bearingin which said rear portion is 'movably mounted, a cylindrical casing-in said oven, a cylindrical cooking-chamber 'remov-'= :ably mounted in said casing, and a-confi'ned air-spacearound said casing, saidair space being. open on one side to the solar rays, substan-tially as described; v ble inva cylindrical casing: 56, supported by I 5thecom-bination of a cooker having-a cooking- 7 chamber, a confined air-space a'roundsa-id chamber, said air-space on one sidebeing exposed to the solar rays, a standardin' which a 5. In a'device of the charaeterdescrib'ed,
said cooker is revolubly m'oun'ted,and'a' 'sec-' jond chamber connected with the first chamjb'e'rin' the lineof the-axis-of revolution of said first chamber, and means for closing'the connection between the two chambers when dcsired, substantially as described:
6. The combination of' a cooker having a iba'klug-chamber, an air-space aroundsaid chamber, a suitable packing around said airspace of non-conducting material, said airspace on one side being exposed to the solar rays and provided on said side with a sheet of glass to prevent the escape of the heated air, a standard or pedestal on which said cooker is' revolubly mounted, a second chamber arranged at the end of the firstchamber' and having-a conduit'con-nected therewith in line'with the axis of the revolution of the cooker, and suitable means for connecting said conduit with said baking-chamber, to
maintain the latter stationary during th'erevolution of the cooker, substantially as described.
In witnesswhereof I have hereunto set my hand in the presence of two subscribing witnesses.
' M. M.. BAKER. Witnesses:
FRANCIS M. WRIGHT,
K, LOGKWOOD NEVINs.
too
US2822300A 1900-08-27 1900-08-27 Solar oven and cooker. Expired - Lifetime US681095A (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2553073A (en) * 1947-11-12 1951-05-15 Barnett Roy Everett Solar heater with spaced parallel heat absorbing sheets
US2625930A (en) * 1950-06-02 1953-01-20 Clyde W Harris Solar-heating structure
US2671441A (en) * 1948-09-10 1954-03-09 Clyde W Harris Variable heat insulating apparatus and solar heating system comprising same
US2680437A (en) * 1945-12-03 1954-06-08 Univ Board Of Regents Solar heat trap
US3025851A (en) * 1958-06-19 1962-03-20 Hyman A Steinberg Solar oven
US3106201A (en) * 1961-10-04 1963-10-08 Carmer Ind Inc Solar oven construction
US3174476A (en) * 1963-12-30 1965-03-23 Hyman A Steinberg Cover construction for heating compartment of solar oven
US3236227A (en) * 1964-02-03 1966-02-22 Hyman A Steinberg Auxiliary heating means for solar oven
US3279457A (en) * 1964-12-28 1966-10-18 William F Kyryluk Solar heat concentrator
US3713727A (en) * 1971-04-22 1973-01-30 Erevanskoe Otdel V Ni P Konstr Solar unit
US4284071A (en) * 1979-06-11 1981-08-18 Hy Steinberg Solar oven
US4417566A (en) * 1981-11-09 1983-11-29 Steinberg Hyman A Solar oven access door
US4781174A (en) * 1982-12-08 1988-11-01 Gardner Kenneth H Cremation apparatus and method
US20060289001A1 (en) * 2005-06-24 2006-12-28 Byron Hopewell Solar stove
US20130206135A1 (en) * 2012-02-13 2013-08-15 Industrial Technology Research Institute Apparatus for solar thermal collection and system of the same
US20140202448A1 (en) * 2013-01-18 2014-07-24 David Dor-el Production of Electricity and Heat Storage Using Solar Mirrors

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2680437A (en) * 1945-12-03 1954-06-08 Univ Board Of Regents Solar heat trap
US2553073A (en) * 1947-11-12 1951-05-15 Barnett Roy Everett Solar heater with spaced parallel heat absorbing sheets
US2671441A (en) * 1948-09-10 1954-03-09 Clyde W Harris Variable heat insulating apparatus and solar heating system comprising same
US2625930A (en) * 1950-06-02 1953-01-20 Clyde W Harris Solar-heating structure
US3025851A (en) * 1958-06-19 1962-03-20 Hyman A Steinberg Solar oven
US3106201A (en) * 1961-10-04 1963-10-08 Carmer Ind Inc Solar oven construction
US3174476A (en) * 1963-12-30 1965-03-23 Hyman A Steinberg Cover construction for heating compartment of solar oven
US3236227A (en) * 1964-02-03 1966-02-22 Hyman A Steinberg Auxiliary heating means for solar oven
US3279457A (en) * 1964-12-28 1966-10-18 William F Kyryluk Solar heat concentrator
US3713727A (en) * 1971-04-22 1973-01-30 Erevanskoe Otdel V Ni P Konstr Solar unit
US4284071A (en) * 1979-06-11 1981-08-18 Hy Steinberg Solar oven
US4417566A (en) * 1981-11-09 1983-11-29 Steinberg Hyman A Solar oven access door
US4781174A (en) * 1982-12-08 1988-11-01 Gardner Kenneth H Cremation apparatus and method
US20060289001A1 (en) * 2005-06-24 2006-12-28 Byron Hopewell Solar stove
US20130206135A1 (en) * 2012-02-13 2013-08-15 Industrial Technology Research Institute Apparatus for solar thermal collection and system of the same
US20140202448A1 (en) * 2013-01-18 2014-07-24 David Dor-el Production of Electricity and Heat Storage Using Solar Mirrors

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