US2471954A - Reflecting and focusing apparatus with pivotally adjustable spaced apart reflecting members for heat and light rays - Google Patents

Reflecting and focusing apparatus with pivotally adjustable spaced apart reflecting members for heat and light rays Download PDF

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US2471954A
US2471954A US672676A US67267646A US2471954A US 2471954 A US2471954 A US 2471954A US 672676 A US672676 A US 672676A US 67267646 A US67267646 A US 67267646A US 2471954 A US2471954 A US 2471954A
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bars
reflecting
block
members
groups
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US672676A
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Harvey Walter James
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/77—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with flat reflective plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S2023/87—Reflectors layout
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10—Special components
    • F24S2030/13—Transmissions
    • F24S2030/131—Transmissions in the form of articulated bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10—Special components
    • F24S2030/13—Transmissions
    • F24S2030/135—Transmissions in the form of threaded elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10—Special components
    • F24S2030/13—Transmissions
    • F24S2030/136—Transmissions for moving several solar collectors by common transmission elements
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking

Definitions

  • This invention relates to improvements in apparatus for the concentration of light and other rays for various purposes and particularly to concentrate such rays to transmit their energy to be applied directly for commercial and scientific uses where heat and power are required and the principal object of the invention consists in the utilization of the maximum amount of rays from a given area in the concentration of such rays to a focal area point to produce reactions of great intensity.
  • the principal feature of the invention consists in the novel manner of pivotally supporting a plurality of bars at their opposite ends within a frame and tilting the bars of opposing groups inwardly in unison and pivotally mounting upon the individual bars spaced-apart members and connecting such spaced-apart members to be tilted inwardly in opposing groups simultaneously with the inward tilting of their supporting bars, each of said individual pivotal members carrying a ray reflecting member
  • Figure l is a plan view of a unit of a multiplicity of reflectors mounted to be operated in accordance with this invention.
  • Figure 2 is a vertical transverse section of my device taken through the line 2-2 of Figure 1.
  • Figure 3 is a vertical transverse section taken through the line 3-3 of Figure 1.
  • Figure 4 is a partial broken perspective View showing one half of the unit shown in Figure 1 with the central operating member.
  • Figure 5 is an enlarged vertical sectional view of one of the reflector members with its supporting elements.
  • the device as herein shown comprises an open box or casing I of rectangular form having metal bars 2 secured along the upper inside edges of two opposite walls.
  • a plurality of flat metal bars 3 substantially equally spaced apart and parallelly arranged extend across the casing and have their opposite ends turned laterally forming end lugs 4.
  • Each of the end lugs 4 are mounted to swing on pivot pins 5 secured in the side bars 2.
  • Each bar 3 is provided centrally of its length with a pair of bracket lugs 6 which are spaced apart and extend below the lower edge of each bar 2. r-
  • Flat bar links I extend between the paired bracket lugs 6 and are pivotally connected thereto by pins 8.
  • a squared block 9 is vertically slidably mounted in a squared socket l0 mounted centrally on the bottom H of the casing l and the top of this block is formed with right angularly centrally crossing slots l2 and I3.
  • the block 9 is formed with a central cylindrical orifice l4 extending upwardly from the bottom and a spindle 55 extending upwardly through the bottom it is rotatably secured in said block by a cross pin is engaging a circumferential groove I? in the upper end of said spindle.
  • the spindle I5 is threaded and is mounted in a threaded hole in a nut l8 arranged in the bottom of the socket ill and when said spindle is rotated by the crank 19 attached thereto the spindle is caused to rise or fall.
  • Links 28 are pivotally mounted in the slots !2 on pins 2! extending across said slots in the block 9. These links extend angularly upwardly and outwardly and their upper ends are pivoted in the brackets 6 of the bars which are arranged adjacent to the block 9.
  • a plurality of short upright bars 22 are pivotally mounted intermediate of their length on the bars 2 and they are preferably equally spaced the upper ends of the links to the bars 23 extend through the bars 23 connecting the upright members 22 mounted on each of the pivotal cross bars '3.
  • Each of the upright bars 22 is for-med with a laterally turned upper end which forms a lug 28 on which a plate 29 is mounted.
  • each plate 29 Mounted on and spaced from each plate 29 is a reflector 30. These reflectors are each adjust ably mounted to be tilted on a pin 3! threaded in the plate 29 and three threaded pins 32 are pivotally connected to the base of the reflectors and held against coil springs 33 by nuts 34.
  • the reflectors may be adjusted for tilt to any desired degree in an inward direction from either side of the .casing as may be desired and after such adjustment .is made the device may be operated by turning the spindle I5.
  • the device may also be used quite effectively by less concentration for-therapeutic purposes.
  • a .ray concentration device comprising, a frame, a plurality of parallelly arranged bars mounted. in. opposite sides of said frame to rotate on .end' pivots, bracket members. extending downwardly fromieach of said parallelly arranged bars, a pair of bars arranged ,-in substantially longitudinalalignment and each pivotally connected tozthe depending brackets ofa-group of said parallelly.- arranged :bars and extending transversely thereof, links pivotally connected to the .adjacent ends of the longitudinally-aligned bars .connecting saidbrackets, a block arrangedmidway betweenttheadjacent ends orsaidlOngitudinaIly aligned bars between .and below :said grouped parallelly arranged :bars .and'movable upwardly and downwardly andpivotally connected to :said links to swing the parallelly arranged .barslof 'eachzgroupi in unison with the bars of ,onergroup swingin in in
  • a .device astclaimed in claimrllin whichithe links connecting the ,bars joining the upri ht membersrinhopposed groups are pivotallyconnected. toopposite sides ,or said block,.and .the linkstconnected to the lbars'connecting. the rupright. members. in, groups and connected to said block are arranged in right, angular relation .to the other links, means .being providedto reciprolcatelsaid .blocktoward and .from, said groups.
  • a ray concentration device comprising a frame, a plurality of parallelly arranged bars extending between opposite sides of said frame and arranged to rotate on end pivots, bars extending transversely of and pivotally connected with-said parallelly arranged bars and forming a pair of coupled groups of parallelly arranged bars, vertically slidable means arranged centrally of said frame between said parallelly arranged bar groups, links connected between said slidable means and said bars connecting said parallellyarrangedbars in groups to swing said groups of parallelly arranged bars simultaneously toward or away from each other, upright bars pivotally mounted on said parallelly arranged bars to swing in planes parallel thereto,-reflectors mounted on the upper ends of the upright bars, bars extending parallel said parallelly arranged bars and pivotally'connecting the lower ends of said upright bars in coupled groups on each side of said central slidable means, and means connecting said slidable meansand said latterconnecting bars to swing same together'with coupled groups of said upright bars and the reflectors carried therebysimultaneously
  • a ray concentration device comprising a rectangular frame, a block arranged centrally of said frame and movable upwardly and downwardly'of said frame, a plurality of parallelly arranged bars extending across said frame and pivoted at the ends thereto, a pair of bars, arranged in substantially longitudinal alignment extending transversely of andpivotally connected with theparallelly arranged bars and terminating adjacent said block to formitwogroups of parallelly arranged bars one ,onleach side, of said block, links connecting the adjacent ends of said pairof bars withhsaid block whereby movement of saidIblock effects movement of said pair of barsin opposite directions to swing said groups of parallelly arranged bars in opposite directions, upright bars pivoted to each ofsaid parallellycarran e'd bars, reflectors.moluntedonltheupper ends of said upright ,bars linkbars .extending parallel said parallelly arranged .bars ,and pivotally connecting ,the upright bars on eeachlof said-parallelly arranged bars on .each

Description

' Y' 1949; w. J. HARVEY 2,471,954
REFLECTING AND FOCUSING APPARATUS WITH PIVOTALLY ADJUSTABLE SPACED APART REFLECTING MEMBERS FOR HEAT AND LIGHT RAYS Filed May 2'7, 1,946
2 Sheets-Sheet l Irv enter:
May 31, w J EY REFIJECTING AND'FQCUSING APPARATUS WITH PIVOTALLY ADJUSTABLE SPACED ABART REFLECTING MEMBERS FOR HEAT AND" LIGHT 'RAYS Filed May 27, 1946 2 Sheets-Sheet 2 3 f b 32 u 5?) E 3 5 2 3f I in 9 I n renter.
Patented May 31, 1949 EAT/1 954 REFLECTING AND FOCUSING APPARATUS WITH PIVOTALLY ADJUSTABLE SPACED APART REFLECTING MEMBERS FOR HEAT AND LIGHT RAYS Walter James Harvey, Toronto, Ontario, Canada Application May 27, 1946, Serial No. 672,676
4 Claims.
This invention relates to improvements in apparatus for the concentration of light and other rays for various purposes and particularly to concentrate such rays to transmit their energy to be applied directly for commercial and scientific uses where heat and power are required and the principal object of the invention consists in the utilization of the maximum amount of rays from a given area in the concentration of such rays to a focal area point to produce reactions of great intensity.
The principal feature of the invention consists in the novel manner of pivotally supporting a plurality of bars at their opposite ends within a frame and tilting the bars of opposing groups inwardly in unison and pivotally mounting upon the individual bars spaced-apart members and connecting such spaced-apart members to be tilted inwardly in opposing groups simultaneously with the inward tilting of their supporting bars, each of said individual pivotal members carrying a ray reflecting member In the accompanying drawings Figure l is a plan view of a unit of a multiplicity of reflectors mounted to be operated in accordance with this invention.
Figure 2 is a vertical transverse section of my device taken through the line 2-2 of Figure 1.
Figure 3 is a vertical transverse section taken through the line 3-3 of Figure 1.
Figure 4 is a partial broken perspective View showing one half of the unit shown in Figure 1 with the central operating member.
Figure 5 is an enlarged vertical sectional view of one of the reflector members with its supporting elements.
The device as herein shown comprises an open box or casing I of rectangular form having metal bars 2 secured along the upper inside edges of two opposite walls.
A plurality of flat metal bars 3 substantially equally spaced apart and parallelly arranged extend across the casing and have their opposite ends turned laterally forming end lugs 4.
Each of the end lugs 4 are mounted to swing on pivot pins 5 secured in the side bars 2. Each bar 3 is provided centrally of its length with a pair of bracket lugs 6 which are spaced apart and extend below the lower edge of each bar 2. r-
Flat bar links I extend between the paired bracket lugs 6 and are pivotally connected thereto by pins 8.
A squared block 9 is vertically slidably mounted in a squared socket l0 mounted centrally on the bottom H of the casing l and the top of this block is formed with right angularly centrally crossing slots l2 and I3.
The block 9 is formed with a central cylindrical orifice l4 extending upwardly from the bottom and a spindle 55 extending upwardly through the bottom it is rotatably secured in said block by a cross pin is engaging a circumferential groove I? in the upper end of said spindle.
The spindle I5 is threaded and is mounted in a threaded hole in a nut l8 arranged in the bottom of the socket ill and when said spindle is rotated by the crank 19 attached thereto the spindle is caused to rise or fall.
Links 28 are pivotally mounted in the slots !2 on pins 2! extending across said slots in the block 9. These links extend angularly upwardly and outwardly and their upper ends are pivoted in the brackets 6 of the bars which are arranged adjacent to the block 9.
It will be understood that as the spindle I5 is rotated, the bars 3 on one side of the block 9 will,
by reason of being connected together by the bars I and the brackets 6, be swung on their end pivots in one direction, while the bars 3 on the opposite side of the block will be swung in the reverse direction.
A plurality of short upright bars 22 are pivotally mounted intermediate of their length on the bars 2 and they are preferably equally spaced the upper ends of the links to the bars 23 extend through the bars 23 connecting the upright members 22 mounted on each of the pivotal cross bars '3. P
It will be readily understood that as th threaded sipndle I5 is rotated, in addition to swinging the two groups of cross bars simultaneously in opposite directions on their end pivots the movement of the link members 25 and bars 23 will, through being connected by the rods 2?, swing the two groups of upright members in opposing directions on their pivots on the bars 3.
Each of the upright bars 22 is for-med with a laterally turned upper end which forms a lug 28 on which a plate 29 is mounted.
Mounted on and spaced from each plate 29 is a reflector 30. These reflectors are each adjust ably mounted to be tilted on a pin 3! threaded in the plate 29 and three threaded pins 32 are pivotally connected to the base of the reflectors and held against coil springs 33 by nuts 34.
The reflectors may be adjusted for tilt to any desired degree in an inward direction from either side of the .casing as may be desired and after such adjustment .is made the device may be operated by turning the spindle I5.
When the spindle I5 is turned the link connections 2!] swing the two opposite groups of bars'3 on their end pivots and consequently the reflectors carried thereby are tilted inwardly toward a cross centre line parallel with the bars '3 and simultaneously the links 25 swing the upright member groups either side-.of'the centre line i transverse to the bars 3 in unison relative to such centre line.
The result of this double pivotal movement is that the reflectors are all tilted in two directions to the crossing centrelines and the light rays striking the inclined reflectors may be focussed to a central area of varying dimensions from practically a point spot to an area of considerable dimensions.
The result of this convergence of rays to a focal point -is to concentrate the energy therein so that a very intensely energized area is vproduced and this may be such as to heat water convertingit to steam in a suitable boiler, or to operateafurnace-for the reduction of metal andv other substances orforctheruse of the reflected energy.
The device may also be used quite effectively by less concentration for-therapeutic purposes.
What I claim'as my invention is:
:1. A .ray concentration device comprising, a frame, a plurality of parallelly arranged bars mounted. in. opposite sides of said frame to rotate on .end' pivots, bracket members. extending downwardly fromieach of said parallelly arranged bars, a pair of bars arranged ,-in substantially longitudinalalignment and each pivotally connected tozthe depending brackets ofa-group of said parallelly.- arranged :bars and extending transversely thereof, links pivotally connected to the .adjacent ends of the longitudinally-aligned bars .connecting saidbrackets, a block arrangedmidway betweenttheadjacent ends orsaidlOngitudinaIly aligned bars between .and below :said grouped parallelly arranged :bars .and'movable upwardly and downwardly andpivotally connected to :said links to swing the parallelly arranged .barslof 'eachzgroupi in unison with the bars of ,onergroup swingin in opposite direction to therbars ofanotherggroup upright bars pivotally mountediin g-roups 'on--each of said parallelly arranged .bars and adapted to-tswinginlplanes parallel thereto, bars pivotally connectingv the lower eends of the groups of upright bars and extending parallel the paralleliy arranged.-a-nd;pivoted barsieither side .of' said block links pivotally connecting the hereof the latter group connecting bars either side of said block withsaidblock to swingthe groups of upright bars on their pivots simultaneously iWlth .the swinging of the parallelly arranged'barswith theupright barsof one group swingingin opposite direction .to thenpright bars of another group, and reflectors mountedlon the upper ends of said upright .bars.
2. A .device astclaimed in claimrllin whichithe links connecting the ,bars joining the upri ht membersrinhopposed groups are pivotallyconnected. toopposite sides ,or said block,.and .the linkstconnected to the lbars'connecting. the rupright. members. in, groups and connected to said block are arranged in right, angular relation .to the other links, means .being providedto reciprolcatelsaid .blocktoward and .from, said groups.
4 3. A ray concentration device comprising a frame, a plurality of parallelly arranged bars extending between opposite sides of said frame and arranged to rotate on end pivots, bars extending transversely of and pivotally connected with-said parallelly arranged bars and forming a pair of coupled groups of parallelly arranged bars, vertically slidable means arranged centrally of said frame between said parallelly arranged bar groups, links connected between said slidable means and said bars connecting said parallellyarrangedbars in groups to swing said groups of parallelly arranged bars simultaneously toward or away from each other, upright bars pivotally mounted on said parallelly arranged bars to swing in planes parallel thereto,-reflectors mounted on the upper ends of the upright bars, bars extending parallel said parallelly arranged bars and pivotally'connecting the lower ends of said upright bars in coupled groups on each side of said central slidable means, and means connecting said slidable meansand said latterconnecting bars to swing same together'with coupled groups of said upright bars and the reflectors carried therebysimultaneously-towards or away from each other concurrent with'the, swingingof the aforesaid coupled groups of parallelly arranged bars.
4. A ray concentration device comprising a rectangular frame, a block arranged centrally of said frame and movable upwardly and downwardly'of said frame, a plurality of parallelly arranged bars extending across said frame and pivoted at the ends thereto, a pair of bars, arranged in substantially longitudinal alignment extending transversely of andpivotally connected with theparallelly arranged bars and terminating adjacent said block to formitwogroups of parallelly arranged bars one ,onleach side, of said block, links connecting the adjacent ends of said pairof bars withhsaid block whereby movement of saidIblock effects movement of said pair of barsin opposite directions to swing said groups of parallelly arranged bars in opposite directions, upright bars pivoted to each ofsaid parallellycarran e'd bars, reflectors.moluntedonltheupper ends of said upright ,bars linkbars .extending parallel said parallelly arranged .bars ,and pivotally connecting ,the upright bars on eeachlof said-parallelly arranged bars on .each side of.lsaidi.block, rodmeans connecting the last-mentioned link bars -oneachside of. said block, and link. means .connectingsaid rod means withsaidblock whereby movement of said block reflects movement of said upright bars on opposite sides of said block in opposite. directions simultaneously with theswinging of said groups of parallelly. arrangedbars.
WALTER JAMES HARVEY.
'REFERENCES CITED The fol1ow ing references are of record l in the file not this patent:
,UNITED :;STATES LPATENIS Number Name Date 509,390 Paine .Nov. 28,1893 514,669 Allingham Feb. I3, "1894 111111239 'Smelser Sept:f2 2; 1914 [1,248,456 Clark Dec.;4, 1917 1,367,472 Harvey 1Feb. 1, .1921 "386,781 Harvey Aug. "9, 1921
US672676A 1946-05-27 1946-05-27 Reflecting and focusing apparatus with pivotally adjustable spaced apart reflecting members for heat and light rays Expired - Lifetime US2471954A (en)

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2534495A (en) * 1949-08-26 1950-12-19 James L Younghusband Rearview mirror
US2646720A (en) * 1951-03-12 1953-07-28 Poliansky Alejandro Sunbeam receiving and reflecting device
US2671441A (en) * 1948-09-10 1954-03-09 Clyde W Harris Variable heat insulating apparatus and solar heating system comprising same
US2846724A (en) * 1956-07-13 1958-08-12 Thomas C Aylwin Solar reflection device and means for producing the same
US2987961A (en) * 1958-04-17 1961-06-13 Eugene S Cotton Solar furnace
US3118437A (en) * 1960-09-15 1964-01-21 Llewellyn E Hunt Means for concentrating solar energy
US4052124A (en) * 1976-02-06 1977-10-04 Prince Corporation Rearview mirror assembly with plurality of simultaneously movable mirrors
US4056313A (en) * 1976-06-15 1977-11-01 Arbogast Porter R Multiple mirrored apparatus utilizing solar energy
US4110010A (en) * 1977-07-07 1978-08-29 Hilton Richard D Ganged heliostat
US4110009A (en) * 1975-12-19 1978-08-29 Bunch Jesse C Heliostat apparatus
US4116539A (en) * 1977-09-20 1978-09-26 Evans Ralph S Multi-position focusing apparatus
FR2411648A1 (en) * 1977-12-16 1979-07-13 Hameury Francois Solar energy collecting mirror mfr. - uses ties to apply point loads to rear face of flexible sheet to shape it into concave form
US4218114A (en) * 1975-12-19 1980-08-19 Bunch Jesse C Heliostat apparatus
US4289380A (en) * 1980-04-03 1981-09-15 The United States Of America As Represented By The Secretary Of The Navy Laser beam linear adjustable integrating mirror
US4439816A (en) * 1981-12-10 1984-03-27 Sci-Med Environmental Systems, Inc. Lighting and air filter structure
US5219445A (en) * 1990-10-04 1993-06-15 Christian Bartenbach Illuminating apparatus
US5347402A (en) * 1992-08-12 1994-09-13 Porter Arbogast Multiple mirror assembly for solar collector
WO2006005303A1 (en) * 2004-07-08 2006-01-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device for concentrating light, particularly sunlight
WO2008154521A1 (en) * 2007-06-08 2008-12-18 Esolar, Inc. Solar collector system for solar thermal applications
US20100071683A1 (en) * 2005-08-20 2010-03-25 Martin Selig Fresnel solar collector arrangement
US20110146663A1 (en) * 2008-10-27 2011-06-23 Kazuaki Ezawa Method for controlling heliostat used for condensing of sunlight and device thereof
EP3783413A4 (en) * 2018-04-19 2022-01-12 Asia Pacific Mega Trade Limited Energy gathering apparatus

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US509390A (en) * 1893-11-28 paine
US514669A (en) * 1894-02-13 Heliomotor
US1111239A (en) * 1914-04-16 1914-09-22 Henry D Smelser Device for concentrating the rays of the sun.
US1248456A (en) * 1916-09-06 1917-12-04 Paul L Clark Projection-machine illumination.
US1367472A (en) * 1917-11-26 1921-02-01 Harvey Walter James Device for concentration of light-rays
US1386781A (en) * 1918-09-07 1921-08-09 Harvey Walter James Solar motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US509390A (en) * 1893-11-28 paine
US514669A (en) * 1894-02-13 Heliomotor
US1111239A (en) * 1914-04-16 1914-09-22 Henry D Smelser Device for concentrating the rays of the sun.
US1248456A (en) * 1916-09-06 1917-12-04 Paul L Clark Projection-machine illumination.
US1367472A (en) * 1917-11-26 1921-02-01 Harvey Walter James Device for concentration of light-rays
US1386781A (en) * 1918-09-07 1921-08-09 Harvey Walter James Solar motor

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2671441A (en) * 1948-09-10 1954-03-09 Clyde W Harris Variable heat insulating apparatus and solar heating system comprising same
US2534495A (en) * 1949-08-26 1950-12-19 James L Younghusband Rearview mirror
US2646720A (en) * 1951-03-12 1953-07-28 Poliansky Alejandro Sunbeam receiving and reflecting device
US2846724A (en) * 1956-07-13 1958-08-12 Thomas C Aylwin Solar reflection device and means for producing the same
US2987961A (en) * 1958-04-17 1961-06-13 Eugene S Cotton Solar furnace
US3118437A (en) * 1960-09-15 1964-01-21 Llewellyn E Hunt Means for concentrating solar energy
US4110009A (en) * 1975-12-19 1978-08-29 Bunch Jesse C Heliostat apparatus
US4218114A (en) * 1975-12-19 1980-08-19 Bunch Jesse C Heliostat apparatus
US4052124A (en) * 1976-02-06 1977-10-04 Prince Corporation Rearview mirror assembly with plurality of simultaneously movable mirrors
US4056313A (en) * 1976-06-15 1977-11-01 Arbogast Porter R Multiple mirrored apparatus utilizing solar energy
US4110010A (en) * 1977-07-07 1978-08-29 Hilton Richard D Ganged heliostat
US4116539A (en) * 1977-09-20 1978-09-26 Evans Ralph S Multi-position focusing apparatus
FR2411648A1 (en) * 1977-12-16 1979-07-13 Hameury Francois Solar energy collecting mirror mfr. - uses ties to apply point loads to rear face of flexible sheet to shape it into concave form
US4289380A (en) * 1980-04-03 1981-09-15 The United States Of America As Represented By The Secretary Of The Navy Laser beam linear adjustable integrating mirror
US4439816A (en) * 1981-12-10 1984-03-27 Sci-Med Environmental Systems, Inc. Lighting and air filter structure
US5219445A (en) * 1990-10-04 1993-06-15 Christian Bartenbach Illuminating apparatus
US5347402A (en) * 1992-08-12 1994-09-13 Porter Arbogast Multiple mirror assembly for solar collector
WO2006005303A1 (en) * 2004-07-08 2006-01-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device for concentrating light, particularly sunlight
US20100071683A1 (en) * 2005-08-20 2010-03-25 Martin Selig Fresnel solar collector arrangement
WO2008154521A1 (en) * 2007-06-08 2008-12-18 Esolar, Inc. Solar collector system for solar thermal applications
US20090007901A1 (en) * 2007-06-08 2009-01-08 Gregg Luconi Solar collector system for solar thermal applications
EP2171369A1 (en) * 2007-06-08 2010-04-07 Esolar, Inc. Solar collector system for solar thermal applications
US8590527B2 (en) 2007-06-08 2013-11-26 Gregg Luconi Solar collector system for solar thermal applications
CN101784844B (en) * 2007-06-08 2014-05-28 伊苏勒有限公司 Solar collector system for solar thermal applications
EP2171369A4 (en) * 2007-06-08 2014-07-30 Esolar Inc Solar collector system for solar thermal applications
US20110146663A1 (en) * 2008-10-27 2011-06-23 Kazuaki Ezawa Method for controlling heliostat used for condensing of sunlight and device thereof
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