# US 10,479,064 B2 · Heat radiator, device for infrared welding and method for heating plastic components > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,479,064 B2 - Document ID: US10479064B2 - Status: Granted - Kind: B2 - Application number: 15/646,180 - Filed: 2017-07-11 - Published: 2017-10-26 - Granted: 2019-11-19 - Earliest claimed: 2013-08-13 - Assignees: BRANSON ULTRASCHALL Niederlassung der Emerson Technologies GmbH & Co. OHG - Applicants: BRANSON ULTRASCHALL Niederlassung der Emerson Technologies GmbH & Co. OHG - Inventors: Heiko Priem; Thomas Köhler - Web page: https://patentgrep.com/patent/US10479064B2 ## CPC - B32B 37/06: characterised by the heating method - B29C 65/1412: {Infrared [IR] radiation} - B29C 65/1432: {direct heating of the surfaces to be joined} - H05B 1/023: {Industrial applications} - H05B 3/0057: {for plastic handling and treatment (including molds B29C)} - H05B 3/0071: {for domestic applications} - H05B 3/20: Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater (H05B3/62, H05B3/68, H05B3/78, H05B3/84 take precedence) - B29C 65/1464: {making use of several radiators} - B29C 66/0242: {Heating, or preheating, e.g. drying (B29C66/3464 takes precedence)} - B29C 66/8742: {for operators (B29C66/002 takes precedence)} - B29C 66/91653: {by controlling or regulating the voltage, i.e. the electric potential difference or electric tension} - B29C 66/962: {using proportional controllers, e.g. PID controllers [proportional–integral–derivative controllers]} - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00) - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL ## Abstract The present invention discloses a heat radiator, especially an infrared radiator, having at least one radiation source by means of which supplied electrical energy is convertible into heat radiation, as well as a control. This control comprises at least one frequency converter having a first, a second and a third output so that between the first and the third output a first alternating current is providable and between the second and the third output a second alternating current is providable by means of which the at least one radiation source is operable. ## Claims ### Claim 1 A method for heating or welding at least one plastic component, the method comprising the following steps: a. providing at least one radiation source, preferably at least one infrared radiator or metal foil radiator, b. providing at least one frequency converter having a first output, a second output and a third output so that between the first output and the third output a first alternating current is providable as well as between the second output and the third output a second alternating current is providable, c. interconnecting a first transformer between the first output and the third output of the frequency converter and the at least one radiation source or interconnecting a second transformer between the second output and the third output of the frequency converter and the at least one radiation source so that an alternating voltage provided by the frequency converter is transformable into an electrical operating range of the at least one radiation source, d. electrically supplying the at least one radiation source by means of the at least one frequency converter producing a first and a second alternating current, and e. heating the at least one plastic component by means of a defined alternating current in the at least one radiation source. ### Claim 2 (depends on 1) The method according to claim 1, comprising the further step: producing a contact-proof alternating voltage for the electrical supply of the at least one radiation source. ### Claim 3 (depends on 2) The method according to claim 2, comprising the further step: driving a plurality of radiation sources via a plurality of frequency converters which are connected to each other via a BUS-system. ### Claim 4 (depends on 3) The method according to claim 3, comprising the further step: moving at least two heated plastic components into abutment with each other so that the plastic components will be welded to each other. ### Claim 5 (depends on 1) The method according to claim 1, comprising the further step: driving a plurality of radiation sources via a plurality of frequency converters which are connected to each other via a BUS-system. ### Claim 6 (depends on 1) The method according to claim 1, comprising the further step: moving at least two heated plastic components into abutment with each other so that the plastic components will be welded to each other. ### Claim 7 A method for heating or welding at least one plastic component, the method comprising the following steps: a. providing at least one radiation source, b. providing at least one frequency converter having a first output, a second output and a third output so that between the first output and the third output a first alternating current is providable, and between the second output and the third output a second alternating current is providable, c. interconnecting a transformer between the frequency converter and the at least one radiation source, d. electrically supplying the at least one radiation source by means of the at least one frequency converter producing a first and a second alternating current, wherein the at least one frequency converter does not produce a voltage-frequency-ratio by varying the frequency and wherein the at least one frequency converter is adapted to adjust the frequency at the output and e. heating the at least one plastic component by means of a defined alternating current in the at least one radiation source. ### Claim 8 (depends on 7) The method according to claim 7, comprising the further step: producing a contact-proof alternating voltage for the electrical supply of the at least one radiation source. ### Claim 9 (depends on 8) The method according to claim 8, comprising the further step: driving a plurality of radiation sources via a plurality of frequency converters which are connected to each other via a BUS-system. ### Claim 10 (depends on 9) The method according to claim 9, comprising the further step: moving at least two heated plastic components into abutment with each other so that the plastic components will be welded to each other. ### Claim 11 (depends on 7) The method according to claim 7, comprising the further step: driving a plurality of radiation sources via a plurality of frequency converters which are connected to each other via a BUS-system. ### Claim 12 (depends on 7) The method according to claim 7, comprising the further step: moving at least two heated plastic components into abutment with each other so that the plastic components will be welded to each other. ### Claim 13 (depends on 7) The method according to claim 7, wherein an electrical output voltage of the at least one frequency converter corresponds to an input voltage of the at least one frequency converter.