# US 8,541,725 B2 · Sunlight-tracking apparatus of a wall installation type having an opening and closing hinge bar pivotally connected in a hinge fixing bar > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,541,725 B2 - Document ID: US8541725B2 - Status: Granted - Kind: B2 - Application number: 12/940,866 - Filed: 2010-11-05 - Published: 2012-05-10 - Granted: 2013-09-24 - Earliest claimed: 2010-11-05 - Assignees: Green Plus Co., Ltd. - Applicants: Young Hwan Park - Inventors: Young Hwan Park - Web page: https://patentgrep.com/patent/US8541725B2 ## CPC - H02S 30/20: Collapsible or foldable PV modules - F24S 30/425: Horizontal axis - H02S 20/26: Building materials integrated with PV modules, e.g. façade elements (H02S20/25 takes precedence) - H02S 20/32: specially adapted for solar tracking - Y02B 10/10: Photovoltaic [PV] - Y02E 10/47: Mountings or tracking - Y02E 10/50: Photovoltaic [PV] energy - H02S: GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES (obtaining electrical energy from radioactive sources G21H1/12; light sensitive inorganic semiconductor devices H10F; light sensitive organic semiconductor devices H10K30/00; thermoelectric devices H10N10/00; pyroelectric devices H10N15/00) - F24S: SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS (for producing mechanical power from solar energy F03G6/00) - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract Disclosed is an apparatus for tracking and condensing sunlight of a wall installation type which tracks the position of the Sun and efficiently condenses sunlight according to variations of an altitude or orbit of the sun by installing a sunlight condensing device for adjusting an angle onto a wall. An apparatus for tracking and condensing sunlight of a wall installation type, comprises: a wall means 100; a sunlight condensing means 200 for condensing sunlight by forming onto a side surface of the wall means 100; and an opening and closing means 300 for adjusting condensing angle by opening or closing an end of the sunlight condensing means 200. ## Claims ### Claim 1 An apparatus for tracking sunlight of a wall installation type, comprising: a wall means; a sunlight harvesting means for harvesting sunlight by forming onto a side surface of the wall means; and an opening and closing means for adjusting harvesting angle by opening or closing an end of the sunlight harvesting means, wherein the wall means comprises: a wall formed in an upper or a lower direction vertically; and wall brackets protruded and formed in an upper end and a lower end of the wall, respectively, wherein the sunlight harvesting means comprises: a hinge fixing bar formed in an upper part of the wall bracket and having a pivoting hinge; an opening and closing hinge bar pivotally connected in the hinge fixing bar; a vertical bar extended and formed to an upper or an lower direction vertically from the opening and closing hinge bar to pivot with together; an opening and closing lower bar formed in an end of the vertical bar; solar cell for harvesting sunlight and formed in front of a structure extended from the opening and closing hinge bar, the vertical bar, and the opening and closing lower bar; and a lower bar formed in the lower end of the wall bracket, and connected and supported with the opening and closing lower bar, wherein the sunlight harvesting angle is adjusted by the opening and closing means, so as to maximize the harvesting of the sunlight in the solar cell of the sunlight harvesting means. ### Claim 2 (depends on 1) The apparatus as claimed in claim 1, wherein opening and closing means comprising: a motor; a driving pipe for rotating in left or right direction horizontally by extending to a rotatable axis of the motor; a rack pinion for converting a rotating motion of the driving pipe into a linear motion in the left or right direction horizontally; a driven pipe coupled with the rack pinion and performs a linear motion in the upper or lower direction vertically; a pipe roller for fixing the driven pipe onto the wall and smoothly guiding the linear motion in the upper or lower direction vertically; and, a push rod of which an end is fixed to the driven pipe by using a pushing rod clamp and the other end is hinge-coupled to the opening and closing lower bar; wherein, an adjustable angle of the solar cell is adjusted by pushing or pulling the opening and closing lower bar to an external side of the wall according to the upper or lower motion of the driven pipe. ### Claim 3 (depends on 1) The apparatus as claimed in claim 1, wherein the pushing rod have an end coupled with the pushing rod clamp, and the other end to coupled to at least two points of the opening and closing lower bar to be supported. ### Claim 4 (depends on 1) The apparatus as claimed in claim 1, wherein a plurality of the sunlight harvesting means are arranged onto the wall means in horizon or/and vertical direction(s). ### Claim 5 (depends on 4) The apparatus as claimed in claim 4, wherein the wall means comprises an opening part having each opened space with constant interval among the plurality of the sunlight harvesting means. ### Claim 6 (depends on 1) The apparatus as claimed in claim 1, wherein the wall means comprises at least a wall structure selected from factory walls, soundproof walls, open-type structures, steel structures, bulkheads.