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Применить Всего найдено 8. Отображено 8.
27-02-2020 дата публикации

DEBINDER FOR 3D OBJECTS

Номер: US20200061707A1
Автор: Dresens Paul E., Jepeal Daniel R.
Принадлежит: Desktop Metal, Inc.

A debinder provides for debinding printed green parts in an additive manufacturing system. The debinder can include a storage chamber, a process chamber, a distill chamber, a waste chamber, and a condenser. The storage chamber stores a liquid solvent for debinding the green part. The process chamber debinds the green part using a volume of the liquid solvent transferred from the storage chamber. The distill chamber collects a solution drained from the process chamber and produces a solvent vapor from the solution. The condenser condenses the solvent vapor to the liquid solvent and transfer the liquid solvent to the storage chamber. The waste chamber collects a waste component of the solution. 126-. (canceled)27. A self-contained debinder system to debind a three-dimensional (3D) metal part , the system comprising:a lid located at a top region of the debinder system;a storage chamber configured to store a liquid solvent for debinding the 3D metal part;a process chamber positioned above the storage chamber and relatively closer to the lid than the storage chamber, wherein a flow path fluidly couples the process chamber to the storage chamber to allow the liquid solvent to transfer between the process chamber and the storage chamber, and wherein the process chamber is configured to optionally debind the 3D metal part using a volume of the liquid solvent transferred from the storage chamber, or to dry the 3D metal part;a distill chamber positioned gravitationally below the process chamber and above the storage chamber, wherein the distill chamber is fluidly coupled to the process chamber to collect a solution drained from the process chamber and to produce a solvent vapor from the solution; anda condenser fluidly coupled to the distill chamber and the storage chamber, wherein the condenser is configured to condense the solvent vapor to the liquid solvent and to transfer the liquid solvent to the storage chamber,wherein the storage chamber, the process chamber, the ...

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Номер записи: 1
27-02-2020 дата публикации

Debinder for 3d objects

Номер: US20200061708A1
Автор: Daniel R. Jepeal, Paul E. Dresens
Принадлежит: Desktop Metal Inc

A debinder provides for debinding printed green parts in an additive manufacturing system. The debinder can include a storage chamber, a process chamber, a distill chamber, a waste chamber, and a condenser. The storage chamber stores a liquid solvent for debinding the green part. The process chamber debinds the green part using a volume of the liquid solvent transferred from the storage chamber. The distill chamber collects a solution drained from the process chamber and produces a solvent vapor from the solution. The condenser condenses the solvent vapor to the liquid solvent and transfer the liquid solvent to the storage chamber. The waste chamber collects a waste component of the solution.

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Номер записи: 2
14-03-2019 дата публикации

Debinder For 3D Printed Objects

Номер: US20190076924A1
Автор: Dresens Paul E., Jepeal Daniel R.
Принадлежит:

A debinder provides for debinding printed green parts in an additive manufacturing system. The debinder can include a storage chamber, a process chamber, a distill chamber, a waste chamber, and a condenser. The storage chamber stores a liquid solvent for debinding the green part. The process chamber debinds the green part using a volume of the liquid solvent transferred from the storage chamber. The distill chamber collects a solution drained from the process chamber and produces a solvent vapor from the solution. The condenser condenses the solvent vapor to the liquid solvent and transfer the liquid solvent to the storage chamber. The waste chamber collects a waste component of the solution. 1. A debinder system comprising:a storage chamber configured to store a liquid solvent for debinding a green part;a process chamber configured to debind the green part using a volume of the liquid solvent transferred from the storage chamber;a distill chamber configured to collect a solution drained from the process chamber and produce a solvent vapor from the solution;a condenser configured to condense the solvent vapor to the liquid solvent and transfer the liquid solvent to the storage chamber; anda waste chamber coupled to the distill chamber and configured to collect a waste component of the solution.2. The system of claim 1 , further comprising a controller configured to determine parameters of the debinding based on properties of the green part.3. The system of claim 2 , wherein the parameters include at least one of debind time claim 2 , circulation of the solvent claim 2 , and solvent exchange during the debind.4. The system of claim 2 , wherein the properties of the green part include at least one of geometry and mass.5. The system of claim 2 , wherein the controller is further configured to instruct a user regarding positioning of the green part within the process chamber.6. The system of claim 1 , wherein the waste chamber is removably coupled to the distill chamber ...

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Номер записи: 3
30-05-2019 дата публикации

Furnace For Sintering Printed Objects

Номер: US20190160529A1
Автор: Brzezinski Tomek, Fay Leon, Fontana Richard Remo, FULOP Ricardo, Jepeal Daniel R., Kernan Brian, SILIDKER Aaron, Sowerbutts Mark
Принадлежит:

A materials processing furnace provides for debinding and sintering objects and treating effluent generated by the sintering. A heating chamber maintains a controlled atmosphere for sintering the object. A vacuum pump evacuates an effluent from the heating chamber, and an injector adds a reagent to the evacuated effluent to form a mixed gas. A catalytic converter receives the mixed gas and catalyzes one or more hazardous or offensive compounds of the effluent, thereby converting the effluent to a safer and less offensive exhaust. As a result, the furnace is suitable for operation in an office environment. 1. A materials processing furnace , comprising:a sintering chamber configured to maintain a controlled atmosphere, the controlled atmosphere being substantially free of oxygen;an exhaust assembly configured to 1) evacuate effluent from the sintering chamber, the effluent including at least one compound produced by sintering an object within the sintering chamber, and 2) limit oxygen backflow from the exhaust assembly into the sintering chamber; andan oxidizing catalyst configured to 1) receive a mixed gas comprising the effluent and oxygen, and 2) catalyze the at least one compound.2. The furnace of claim 1 , wherein the exhaust assembly includes a vacuum pump configured to evacuate the effluent from the sintering chamber claim 1 , the evacuating contributing to limiting the oxygen backflow.3. The furnace of claim 1 , wherein the controlled atmosphere has a pressure of approximately 1 atm.4. The furnace of claim 1 , wherein the controlled atmosphere has a pressure of greater than 1 atm.5. The furnace of claim 1 , wherein the exhaust assembly includes a channel configured to convey the effluent at a range of flow rates claim 1 , the channel having a length and cross-sectional area sufficient to limit the oxygen backflow by preventing the oxygen backflow during the evacuation of the effluent at least for the range of flow rates.6. The furnace of claim 1 , further ...

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Номер записи: 4
05-12-2019 дата публикации

DEBINDER FOR 3D PRINTED OBJECTS

Номер: US20190366431A1
Автор: Dresens Paul E., Jepeal Daniel R.
Принадлежит: Desktop Metal, Inc.

A debinder provides for debinding printed green parts in an additive manufacturing system. The debinder can include a storage chamber, a process chamber, a distill chamber, a waste chamber, and a condenser. The storage chamber stores a liquid solvent for debinding the green part. The process chamber debinds the green part using a volume of the liquid solvent transferred from the storage chamber. The distill chamber collects a solution drained from the process chamber and produces a solvent vapor from the solution. The condenser condenses the solvent vapor to the liquid solvent and transfer the liquid solvent to the storage chamber. The waste chamber collects a waste component of the solution. 126-. (canceled)27. A debinder system to debind a printed part , comprising:a storage chamber configured to store a liquid solvent for debinding the printed part;a process chamber configured to debind the printed part using a volume of the liquid solvent transferred from the storage chamber and to dry the printed part;a distill chamber configured to collect a solution drained from the process chamber and to produce a solvent vapor from the solution;a condenser configured to condense the solvent vapor to the liquid solvent and to transfer the liquid solvent to the storage chamber; anda controller configured to determine one or more parameters of the debinding based on one or more properties of the printed part,wherein the controller is further configured to instruct a user, via a user interface, to position the printed part in one or more locations within the process chamber.28. The debinder system of claim 27 , wherein the storage chamber includes at least one closeable port to receive the liquid solvent claim 27 , and wherein the storage chamber claim 27 , the process chamber claim 27 , the distill chamber claim 27 , and the condenser are housed within a self-contained and fluid-tight unit to form a closed system.29. The debinder system of claim 28 , wherein the process ...

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Номер записи: 5
03-12-2020 дата публикации

FURNACE FOR SINTERING PRINTED OBJECTS

Номер: US20200376547A1
Автор: Brzezinski Tomek, Fay Leon, Fontana Richard Remo, FULOP Ricardo, Jepeal Daniel R., Kernan Brian, SILIDKER Aaron, Sowerbutts Mark, Woodard Nathan
Принадлежит: Desktop Metal, Inc.

A furnace system for printing an object using additive manufacturing. The furnace system may include a furnace chamber; an outlet fluidly coupled to the furnace chamber for removal of an exhaust gas from the furnace chamber; a conduit fluidly coupled to the outlet; an oxygen injector fluidly coupled to the conduit; an isolation system fluidly coupled to the conduit between the furnace chamber and the oxygen injector; and a catalyst enclosure comprising an oxidizing catalyst. 1. A furnace system , comprising:a furnace chamber defining an interior region, wherein the furnace chamber is configured to maintain an atmosphere substantially free of oxygen within the interior region;an outlet fluidly coupled to the furnace chamber for removal of an exhaust gas from the furnace chamber;a conduit fluidly coupled to the outlet;an oxygen injector fluidly coupled to the conduit, wherein the oxidizing injector is positioned downstream of the furnace chamber and is configured to introduce an oxidizing gas into the exhaust gas;an isolation system fluidly coupled to the conduit between the furnace chamber and the oxygen injector, wherein the isolation system is configured to prevent a backflow of the oxidizing gas into the furnace chamber; anda catalyst enclosure comprising an oxidizing catalyst, wherein the catalyst enclosure is configured to receive a mixture of the exhaust gas and the oxidizing gas.2. The furnace system of claim 1 , wherein the isolation system comprises a pump configured to direct the exhaust gas through the isolation system and towards the catalyst enclosure claim 1 , wherein the pump is at least one of a vacuum pump claim 1 , a lobe pump claim 1 , a diaphragm pump claim 1 , a piston pump claim 1 , or a venturi pump.3. The furnace system of claim 2 , further comprising:a demister positioned between the vacuum pump and the catalyst enclosure, wherein the demister is configured to remove at least a portion of fluid present in the exhaust gas directed towards the ...

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Номер записи: 6
24-09-2019 дата публикации

Debinder for 3D printed objects

Номер: US10421124B2
Автор: Daniel R. Jepeal, Paul E. Dresens
Принадлежит: Desktop Metal Inc

A debinder provides for debinding printed green parts in an additive manufacturing system. The debinder can include a storage chamber, a process chamber, a distill chamber, a waste chamber, and a condenser. The storage chamber stores a liquid solvent for debinding the green part. The process chamber debinds the green part using a volume of the liquid solvent transferred from the storage chamber. The distill chamber collects a solution drained from the process chamber and produces a solvent vapor from the solution. The condenser condenses the solvent vapor to the liquid solvent and transfer the liquid solvent to the storage chamber. The waste chamber collects a waste component of the solution.

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Номер записи: 7
06-06-2019 дата публикации

Furnace for sintering printed objects

Номер: WO2019108812A1
Автор: Aaron SILIDKER, Brian Kernan, Daniel R. Jepeal, Leon Fay, Mark Sowerbutts, Ricardo Fulop, Richard Remo Fontana, Tomek BRZEZINSKI
Принадлежит: Decktop Metal, Inc.

A materials processing furnace provides for debinding and sintering objects and treating effluent generated by the sintering. A heating chamber maintains a controlled atmosphere for sintering the object. A vacuum pump evacuates an effluent from the heating chamber, and an injector adds a reagent to the evacuated effluent to form a mixed gas. A catalytic converter receives the mixed gas and catalyzes one or more hazardous or offensive compounds of the effluent, thereby converting the effluent to a safer and less offensive exhaust. As a result, the furnace is suitable for operation in an office environment.

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Номер записи: 8