Apparatus, systems and methods for use in three-dimensional printing
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B41F-001/34
B41F-001/00
B41F-017/00
B41J-029/08
F24C-015/20
출원번호
US-0189166
(2002-07-03)
발명자
/ 주소
Fedor,Jeffrey A.
Gaylo,Christopher M.
Materna,Peter A.
출원인 / 주소
AFBS, Inc.
인용정보
피인용 횟수 :
34인용 특허 :
75
초록▼
Apparatus, systems and methods for use in three-dimensional printing are shown and described. Various embodiments of the invention allow for more precise and controlled delivery of heat to achieve interlayer drying; isolation of the working region from the outside for reasons of cleanliness and in c
Apparatus, systems and methods for use in three-dimensional printing are shown and described. Various embodiments of the invention allow for more precise and controlled delivery of heat to achieve interlayer drying; isolation of the working region from the outside for reasons of cleanliness and in connection with the vapors of organic solvents; better control of the temperature of the working region; better accuracy in the flowrates of binder fluid dispensed; matching of delivered flowrates for multiple dispensers; verification of delivered flowrate or drops; provision for easier changeover of the machine from one powder to another; cleanability; and other needs.
대표청구항▼
The invention claimed is: 1. A system for isolating a three-dimensional printing machine, the system comprising: an enclosure configured to extend substantially about the three-dimensional printing machine, separating the three-dimensional printing machine and its immediate surroundings from an ext
The invention claimed is: 1. A system for isolating a three-dimensional printing machine, the system comprising: an enclosure configured to extend substantially about the three-dimensional printing machine, separating the three-dimensional printing machine and its immediate surroundings from an exterior environment; a ventilation system configured to introduce into the enclosure a gas whose composition is different from the composition of air, further comprising a sensor for measuring the concentration of selected organic solvent vapors within the enclosure; and means for generating a warning based on a measured concentration of the selected organic solvent vapor. 2. A system for isolating a three-dimensional printing machine, the system comprising: an enclosure configured to extend substantially about the three-dimensional printing machine, separating the three-dimensional printing machine and its immediate surroundings from an exterior environment; a ventilation system configured to introduce into the enclosure a gas whose composition is different from the composition of air, further comprising a sensor for measuring the concentration of selected organic solvent vapors within the enclosure; and means for adjusting the operation of the three-dimensional printing machine in response to a measured concentration of the selected organic solvent vapor. 3. A system for isolating a three-dimensional printing machine, the system comprising: an enclosure configured to extend substantially about the three-dimensional printing machine, separating the three-dimensional printing machine and its immediate surroundings from an exterior environment; and a ventilation system configured to introduce into the enclosure a gas whose composition is different from the composition of air, further comprising a sensor for measuring the concentration of selected organic solvent vapors within the enclosure, wherein the gas flows at a rate sufficient to maintain the concentration of a selected organic solvent vapor below a flammable limit or an explosive limit. 4. The system of claim 3 wherein the ventilation system is configured to introduce an inert gas or a gas having an oxygen content lower than the oxygen content of air suitably to substantially reduce a danger of fire or explosion due to organic solvent vapor. 5. The system of claim 3 wherein the selected organic solvent comprises at least one of ethanol, other alcohols, acetone and chloroform. 6. A system for isolating a three-dimensional printing machine, the system comprising: an enclosure configured to extend substantially about the three-dimensional printing machine, separating the three-dimensional printing machine and its immediate surroundings from an exterior environment; a ventilation system; means for adjusting the ventilation system based on a concentration of a vapor of a selected organic solvent, wherein the means for adjusting comprises a sensor suitable to measure the concentration of the selected organic solvent vapor within the enclosure; and means for generating a warning based on the measured concentration of the selected organic solvent vapor. 7. A system for isolating a three-dimensional printing machine, the system comprising: an enclosure configured to extend substantially about the three-dimensional printing machine, separating the three-dimensional printing machine and its immediate surroundings from an exterior environment; a ventilation system; means for adjusting the ventilation system based on a concentration of a vapor of a selected organic solvent; and means for adjusting operation of the three-dimensional printing machine in response to the concentration of the selected organic solvent vapor. 8. A system for isolating a three-dimensional printing machine, the system comprising: an enclosure configured to extend substantially about the three-dimensional printing machine, separating the three-dimensional printing machine and its immediate surroundings from an exterior environment; a ventilation system; and means for adjusting the ventilation system based on a concentration of a vapor of a selected organic solvent, wherein the ventilation system causes flow of gas at a rate sufficient to maintain the concentration of the selected organic solvent vapor below a flammable limit or an explosive limit. 9. The system of claim 8 further comprising an adsorber configured to remove the organic solvent vapors or other undesirable substances from the gas. 10. The system of claim 8, further comprising a condenser configured to condense the organic solvent vapors. 11. The system of claim 8, wherein the selected organic solvent vapor comprises a vapor of at least one of ethanol, other alcohols, acetone and chloroform. 12. A system for isolating a three-dimensional printing machine, the system comprising: an enclosure configured to extend substantially about the three-dimensional printing machine, separating the three-dimensional printing machine and its immediate surroundings from an exterior environment; and means for causing shutdown of at least a portion of the three-dimensional printing machine based on a measured concentration of a vapor of a selected organic solvent. 13. A three-dimensional printing system, the system comprising: a three-dimensional printing machine which dispenses a liquid comprising an organic solvent; an enclosure configured to extend substantially about the three-dimensional printing machine, separating the three-dimensional printing machine and its immediate surroundings from an exterior environment; a sensor suitable for measuring the concentration of a vapor of an organic solvent within the enclosure; and means for adjusting the operation of the three-dimensional printing machine based on the measured concentration of the vapor of the organic solvent. 14. A three-dimensional printing system, the system comprising: a three-dimensional printing machine which dispenses a liquid comprising an organic solvent; an enclosure configured to extend substantially about the three-dimensional printing machine, separating the three-dimensional printing machine and its immediate surroundings from an exterior environment; a sensor suitable for measuring the concentration of a vapor of an organic solvent within the enclosure; and means for causing a shutdown of at least some portion of the three-dimensional printing machine based on the measured concentration of the vapor of the organic solvent. 15. A three-dimensional printing system, the system comprising: a three-dimensional printing machine which dispenses a liquid comprising an organic solvent; an enclosure configured to extend substantially about the three-dimensional printing machine, separating the three-dimensional printing machine and its immediate surroundings from an exterior environment; a sensor suitable for measuring the concentration of a vapor of an organic solvent within the enclosure; and means for creating a warning based on the measured concentration of the vapor of the organic solvent. 16. A three-dimensional printing system, the system comprising: a three-dimensional printing machine which dispenses a liquid comprising an organic solvent; an enclosure configured to extend substantially about the three-dimensional printing machine, separating the three-dimensional printing machine and its immediate surroundings from an exterior environment; and means for causing shutdown of at least a portion of the three-dimensional printing machine based on a measured concentration of a vapor of a selected organic solvent. 17. A method for ventilating a three-dimensional printing machine, comprising: receiving gas from an enclosure configured to extend substantially about a three-dimensional printing machine, so as to separate the three-dimensional printing machine and its immediate surroundings from an exterior environment; removing an organic solvent vapor from the gas; returning at least a portion of the received gas back into the enclosure; measuring the concentration of the organic solvent vapor within the enclosure; and causing at least a portion of the three-dimensional printing machine to shut down based on the measured concentration of the organic solvent vapor.
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