Patent
US 9,353,740Graphene-Drum Pump and Engine Systems
Joseph F. Pinkerton
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,353,740Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. Graphene-drum pump 101 utilizes a graphene drum as the main diaphragm (main diaphragm graphene drum 201). The main diaphragm seals a boundary of the …
FIG. 2. In this embodiment, non-conductive member 904 (such as oxide) is placed between the graphene drum 201 and metallic gate 901 so that the graphene drum …
FIG. 3 depicts the graphene-drum pump 101 in intake mode. In the intake mode, the upstream valve 205 is opened and the downstream valve 206 is closed, while …
FIG. 4 depicts a graphene-drum internal combustion engine 400 in the ignition mode. For instance, a metallic trace or via (connected to a voltage source) can …
FIG. 5. Like a conventional Stirling engine, the graphene-drum Stirling engine would use a temperature differential (as oriented in the
FIG. 6 depicts a side view of the graphene-drum Stirling engine system of
FIGS. 7-8, lower cavity 702 is oriented between the graphene drum 201 and the gate 203. Lower cavity 702 can be evacuated to increase the breakdown voltage …
FIG. 8). [00152] This same approach can also be used in internal combustion embodiments to increase the power density of the device. [00153] In
FIG. 9, the metallic gate 901 and metallic trace 905 have a non- conductive member 904 (such as oxide) between them. A voltage source 907 can be placed between …
FIG. 10B, in which graphene 1002 is moved in a traveling wave, with arrows 1101 reflecting air (or other fluid flow) as the graphene 1002 is deflected from section …
FIGS. 11A-11 J depict the cross-sectional view of the graphene-trough pump 1000 depicted in FIG. lO B, in which graphene 1002 is moved in a traveling wave, …
FIG. 12, each valve has a metal gate (such as gates 1201 and 1202) facing the graphene 1002 that can be used to sense the position of the graphene 1002 …
FIG. 13, in which graphene 1002 is moved in a traveling wave, with arrows 201 reflecting air (or other gas flow) as the graphene 1002 is deflected from section to …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A membrane pump comprising: (a) a first cavity having an inlet and outlet; (b) a first valve gate located by the inlet or the outlet; (c) a valve protrusion located by the first valve gate, wherein a conductive trace is connected to the valve protrusion, and SVG 13802151.10-13-2015.IFPRPN₃YPXXIFW3.CLM.1.12.600.1234.646.1279.svg 0.15 0.153 Chemistry Black and white (i) the conductive trace is a position sensor; (d) a first pump gate located within said first cavity; and (e) an electrically conductive membrane covering said first cavity.
The membrane pump of Claim 1, wherein the electrically conductive membrane comprises graphene.
The membrane pump of Claim 1, wherein the electrically conductive membrane comprises multiple layers of graphene.
The membrane pump of Claim 1, wherein the inlet is connected to a via.
The membrane pump of Claim 1, wherein the outlet is connected to a via. AUS 536403901v2 Application Serial No.: 13/802,151 Filing Date: 03/13/2013 Attorney Docket No.: 139067.008004/US Page 3 ofl0
The membrane pump of Claim 1, wherein the first pump gate comprises multiple independently controlled electrically conductive traces.
The membrane pump of Claim 1, wherein the cavity is trough-shaped.
The membrane pump of Claim 1, wherein the distance between the valve protrusion and the electrically conductive membrane is less than the distance between the first valve gate and the electrically conductive membrane.
The membrane pump of Claim 1, wherein the electrically conductive membrane is a single continuous sheet.
The membrane pump of Claim 1 f u rther comprising a second valve gate located on the opposite side of the electrically conductive membrane as the first valve gate.
The membrane pump of Claim 1 f u rther comprising a second pump gate located on the opposite side of the electrically conductive membrane as the first pump gate.
The membrane pump of Claim 1 f u rther comprising a second cavity located on the opposite side of the membrane as the first cavity.
The membrane pump of Claim 1, wherein the electrically conductive membrane is atomically thin. AUS 536403901v2
. canceled
The membrane pump of Claim 9 1, wherein the conductive trace is connected to electrical ground.
. canceled
Layer stacks claimed or described, ordered top of device to substrate.
membrane pump
graphene-drum pump system
Materials described outside the worked examples.
electrically conductive membrane
conductive trace (position sensor)
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 depicts a graphene-drum internal combustion engine 400 in the ignition mode. For instance, a metallic trace or via (connected to a voltage source) can …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene drum diameter (typical range) | 500–1500 | graphene |
graphene drum diameter (alternative range) | 10–20 |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,353,740Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. Graphene-drum pump 101 utilizes a graphene drum as the main diaphragm (main diaphragm graphene drum 201). The main diaphragm seals a boundary of the …
FIG. 2. In this embodiment, non-conductive member 904 (such as oxide) is placed between the graphene drum 201 and metallic gate 901 so that the graphene drum …
FIG. 3 depicts the graphene-drum pump 101 in intake mode. In the intake mode, the upstream valve 205 is opened and the downstream valve 206 is closed, while …
FIG. 4 depicts a graphene-drum internal combustion engine 400 in the ignition mode. For instance, a metallic trace or via (connected to a voltage source) can …
FIG. 5. Like a conventional Stirling engine, the graphene-drum Stirling engine would use a temperature differential (as oriented in the
FIG. 6 depicts a side view of the graphene-drum Stirling engine system of
FIGS. 7-8, lower cavity 702 is oriented between the graphene drum 201 and the gate 203. Lower cavity 702 can be evacuated to increase the breakdown voltage …
FIG. 8). [00152] This same approach can also be used in internal combustion embodiments to increase the power density of the device. [00153] In
FIG. 9, the metallic gate 901 and metallic trace 905 have a non- conductive member 904 (such as oxide) between them. A voltage source 907 can be placed between …
FIG. 10B, in which graphene 1002 is moved in a traveling wave, with arrows 1101 reflecting air (or other fluid flow) as the graphene 1002 is deflected from section …
FIGS. 11A-11 J depict the cross-sectional view of the graphene-trough pump 1000 depicted in FIG. lO B, in which graphene 1002 is moved in a traveling wave, …
FIG. 12, each valve has a metal gate (such as gates 1201 and 1202) facing the graphene 1002 that can be used to sense the position of the graphene 1002 …
FIG. 13, in which graphene 1002 is moved in a traveling wave, with arrows 201 reflecting air (or other gas flow) as the graphene 1002 is deflected from section to …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A membrane pump comprising: (a) a first cavity having an inlet and outlet; (b) a first valve gate located by the inlet or the outlet; (c) a valve protrusion located by the first valve gate, wherein a conductive trace is connected to the valve protrusion, and SVG 13802151.10-13-2015.IFPRPN₃YPXXIFW3.CLM.1.12.600.1234.646.1279.svg 0.15 0.153 Chemistry Black and white (i) the conductive trace is a position sensor; (d) a first pump gate located within said first cavity; and (e) an electrically conductive membrane covering said first cavity.
The membrane pump of Claim 1, wherein the electrically conductive membrane comprises graphene.
The membrane pump of Claim 1, wherein the electrically conductive membrane comprises multiple layers of graphene.
The membrane pump of Claim 1, wherein the inlet is connected to a via.
The membrane pump of Claim 1, wherein the outlet is connected to a via. AUS 536403901v2 Application Serial No.: 13/802,151 Filing Date: 03/13/2013 Attorney Docket No.: 139067.008004/US Page 3 ofl0
The membrane pump of Claim 1, wherein the first pump gate comprises multiple independently controlled electrically conductive traces.
The membrane pump of Claim 1, wherein the cavity is trough-shaped.
The membrane pump of Claim 1, wherein the distance between the valve protrusion and the electrically conductive membrane is less than the distance between the first valve gate and the electrically conductive membrane.
The membrane pump of Claim 1, wherein the electrically conductive membrane is a single continuous sheet.
The membrane pump of Claim 1 f u rther comprising a second valve gate located on the opposite side of the electrically conductive membrane as the first valve gate.
The membrane pump of Claim 1 f u rther comprising a second pump gate located on the opposite side of the electrically conductive membrane as the first pump gate.
The membrane pump of Claim 1 f u rther comprising a second cavity located on the opposite side of the membrane as the first cavity.
The membrane pump of Claim 1, wherein the electrically conductive membrane is atomically thin. AUS 536403901v2
. canceled
The membrane pump of Claim 9 1, wherein the conductive trace is connected to electrical ground.
. canceled
Layer stacks claimed or described, ordered top of device to substrate.
membrane pump
graphene-drum pump system
Materials described outside the worked examples.
electrically conductive membrane
conductive trace (position sensor)
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 depicts a graphene-drum internal combustion engine 400 in the ignition mode. For instance, a metallic trace or via (connected to a voltage source) can …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene drum diameter (typical range) | 500–1500 | graphene |
graphene drum diameter (alternative range) | 10–20 |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,353,740Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. Graphene-drum pump 101 utilizes a graphene drum as the main diaphragm (main diaphragm graphene drum 201). The main diaphragm seals a boundary of the …
FIG. 2. In this embodiment, non-conductive member 904 (such as oxide) is placed between the graphene drum 201 and metallic gate 901 so that the graphene drum …
FIG. 3 depicts the graphene-drum pump 101 in intake mode. In the intake mode, the upstream valve 205 is opened and the downstream valve 206 is closed, while …
FIG. 4 depicts a graphene-drum internal combustion engine 400 in the ignition mode. For instance, a metallic trace or via (connected to a voltage source) can …
FIG. 5. Like a conventional Stirling engine, the graphene-drum Stirling engine would use a temperature differential (as oriented in the
FIG. 6 depicts a side view of the graphene-drum Stirling engine system of
FIGS. 7-8, lower cavity 702 is oriented between the graphene drum 201 and the gate 203. Lower cavity 702 can be evacuated to increase the breakdown voltage …
FIG. 8). [00152] This same approach can also be used in internal combustion embodiments to increase the power density of the device. [00153] In
FIG. 9, the metallic gate 901 and metallic trace 905 have a non- conductive member 904 (such as oxide) between them. A voltage source 907 can be placed between …
FIG. 10B, in which graphene 1002 is moved in a traveling wave, with arrows 1101 reflecting air (or other fluid flow) as the graphene 1002 is deflected from section …
FIGS. 11A-11 J depict the cross-sectional view of the graphene-trough pump 1000 depicted in FIG. lO B, in which graphene 1002 is moved in a traveling wave, …
FIG. 12, each valve has a metal gate (such as gates 1201 and 1202) facing the graphene 1002 that can be used to sense the position of the graphene 1002 …
FIG. 13, in which graphene 1002 is moved in a traveling wave, with arrows 201 reflecting air (or other gas flow) as the graphene 1002 is deflected from section to …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A membrane pump comprising: (a) a first cavity having an inlet and outlet; (b) a first valve gate located by the inlet or the outlet; (c) a valve protrusion located by the first valve gate, wherein a conductive trace is connected to the valve protrusion, and SVG 13802151.10-13-2015.IFPRPN₃YPXXIFW3.CLM.1.12.600.1234.646.1279.svg 0.15 0.153 Chemistry Black and white (i) the conductive trace is a position sensor; (d) a first pump gate located within said first cavity; and (e) an electrically conductive membrane covering said first cavity.
The membrane pump of Claim 1, wherein the electrically conductive membrane comprises graphene.
The membrane pump of Claim 1, wherein the electrically conductive membrane comprises multiple layers of graphene.
The membrane pump of Claim 1, wherein the inlet is connected to a via.
The membrane pump of Claim 1, wherein the outlet is connected to a via. AUS 536403901v2 Application Serial No.: 13/802,151 Filing Date: 03/13/2013 Attorney Docket No.: 139067.008004/US Page 3 ofl0
The membrane pump of Claim 1, wherein the first pump gate comprises multiple independently controlled electrically conductive traces.
The membrane pump of Claim 1, wherein the cavity is trough-shaped.
The membrane pump of Claim 1, wherein the distance between the valve protrusion and the electrically conductive membrane is less than the distance between the first valve gate and the electrically conductive membrane.
The membrane pump of Claim 1, wherein the electrically conductive membrane is a single continuous sheet.
The membrane pump of Claim 1 f u rther comprising a second valve gate located on the opposite side of the electrically conductive membrane as the first valve gate.
The membrane pump of Claim 1 f u rther comprising a second pump gate located on the opposite side of the electrically conductive membrane as the first pump gate.
The membrane pump of Claim 1 f u rther comprising a second cavity located on the opposite side of the membrane as the first cavity.
The membrane pump of Claim 1, wherein the electrically conductive membrane is atomically thin. AUS 536403901v2
. canceled
The membrane pump of Claim 9 1, wherein the conductive trace is connected to electrical ground.
. canceled
Layer stacks claimed or described, ordered top of device to substrate.
membrane pump
graphene-drum pump system
Materials described outside the worked examples.
electrically conductive membrane
conductive trace (position sensor)
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 depicts a graphene-drum internal combustion engine 400 in the ignition mode. For instance, a metallic trace or via (connected to a voltage source) can …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene drum diameter (typical range) | 500–1500 | graphene |
graphene drum diameter (alternative range) | 10–20 |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,353,740Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. Graphene-drum pump 101 utilizes a graphene drum as the main diaphragm (main diaphragm graphene drum 201). The main diaphragm seals a boundary of the …
FIG. 2. In this embodiment, non-conductive member 904 (such as oxide) is placed between the graphene drum 201 and metallic gate 901 so that the graphene drum …
FIG. 3 depicts the graphene-drum pump 101 in intake mode. In the intake mode, the upstream valve 205 is opened and the downstream valve 206 is closed, while …
FIG. 4 depicts a graphene-drum internal combustion engine 400 in the ignition mode. For instance, a metallic trace or via (connected to a voltage source) can …
FIG. 5. Like a conventional Stirling engine, the graphene-drum Stirling engine would use a temperature differential (as oriented in the
FIG. 6 depicts a side view of the graphene-drum Stirling engine system of
FIGS. 7-8, lower cavity 702 is oriented between the graphene drum 201 and the gate 203. Lower cavity 702 can be evacuated to increase the breakdown voltage …
FIG. 8). [00152] This same approach can also be used in internal combustion embodiments to increase the power density of the device. [00153] In
FIG. 9, the metallic gate 901 and metallic trace 905 have a non- conductive member 904 (such as oxide) between them. A voltage source 907 can be placed between …
FIG. 10B, in which graphene 1002 is moved in a traveling wave, with arrows 1101 reflecting air (or other fluid flow) as the graphene 1002 is deflected from section …
FIGS. 11A-11 J depict the cross-sectional view of the graphene-trough pump 1000 depicted in FIG. lO B, in which graphene 1002 is moved in a traveling wave, …
FIG. 12, each valve has a metal gate (such as gates 1201 and 1202) facing the graphene 1002 that can be used to sense the position of the graphene 1002 …
FIG. 13, in which graphene 1002 is moved in a traveling wave, with arrows 201 reflecting air (or other gas flow) as the graphene 1002 is deflected from section to …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A membrane pump comprising: (a) a first cavity having an inlet and outlet; (b) a first valve gate located by the inlet or the outlet; (c) a valve protrusion located by the first valve gate, wherein a conductive trace is connected to the valve protrusion, and SVG 13802151.10-13-2015.IFPRPN₃YPXXIFW3.CLM.1.12.600.1234.646.1279.svg 0.15 0.153 Chemistry Black and white (i) the conductive trace is a position sensor; (d) a first pump gate located within said first cavity; and (e) an electrically conductive membrane covering said first cavity.
The membrane pump of Claim 1, wherein the electrically conductive membrane comprises graphene.
The membrane pump of Claim 1, wherein the electrically conductive membrane comprises multiple layers of graphene.
The membrane pump of Claim 1, wherein the inlet is connected to a via.
The membrane pump of Claim 1, wherein the outlet is connected to a via. AUS 536403901v2 Application Serial No.: 13/802,151 Filing Date: 03/13/2013 Attorney Docket No.: 139067.008004/US Page 3 ofl0
The membrane pump of Claim 1, wherein the first pump gate comprises multiple independently controlled electrically conductive traces.
The membrane pump of Claim 1, wherein the cavity is trough-shaped.
The membrane pump of Claim 1, wherein the distance between the valve protrusion and the electrically conductive membrane is less than the distance between the first valve gate and the electrically conductive membrane.
The membrane pump of Claim 1, wherein the electrically conductive membrane is a single continuous sheet.
The membrane pump of Claim 1 f u rther comprising a second valve gate located on the opposite side of the electrically conductive membrane as the first valve gate.
The membrane pump of Claim 1 f u rther comprising a second pump gate located on the opposite side of the electrically conductive membrane as the first pump gate.
The membrane pump of Claim 1 f u rther comprising a second cavity located on the opposite side of the membrane as the first cavity.
The membrane pump of Claim 1, wherein the electrically conductive membrane is atomically thin. AUS 536403901v2
. canceled
The membrane pump of Claim 9 1, wherein the conductive trace is connected to electrical ground.
. canceled
Layer stacks claimed or described, ordered top of device to substrate.
membrane pump
graphene-drum pump system
Materials described outside the worked examples.
electrically conductive membrane
conductive trace (position sensor)
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 depicts a graphene-drum internal combustion engine 400 in the ignition mode. For instance, a metallic trace or via (connected to a voltage source) can …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene drum diameter (typical range) | 500–1500 | graphene |
graphene drum diameter (alternative range) | 10–20 |
Related documents with shared materials, methods, properties, or citations.
graphene-drum engine system
multiple layers of graphene
graphene oxide membrane
tungsten
W
graphene oxide
FIG. 8). [00152] This same approach can also be used in internal combustion embodiments to increase the power density of the device. [00153] In
graphene drum maximum deflection | 1–3 | graphene |
electrically conductive drum thickness | 0.3–1 | electrically conductive membrane |
multi graphene-membrane stack thickness (12-layer example) | 4 | multiple layers of graphene |
protective coating thickness upper bound | ≤ 5 | — |
diaphragm operating frequency (graphene drum pump) | ≥ 1 | graphene |
Thickness | 0.3–1 nm | — |
Thickness | 500–1500 nm | — |
Thickness | ≤ 5 nm | — |
SELECTIVELY PERMEABLE GRAPHENE OXIDE ELEMENT
graphene-drum engine system
multiple layers of graphene
graphene oxide membrane
tungsten
W
graphene oxide
FIG. 8). [00152] This same approach can also be used in internal combustion embodiments to increase the power density of the device. [00153] In
graphene drum maximum deflection | 1–3 | graphene |
electrically conductive drum thickness | 0.3–1 | electrically conductive membrane |
multi graphene-membrane stack thickness (12-layer example) | 4 | multiple layers of graphene |
protective coating thickness upper bound | ≤ 5 | — |
diaphragm operating frequency (graphene drum pump) | ≥ 1 | graphene |
Thickness | 0.3–1 nm | — |
Thickness | 500–1500 nm | — |
Thickness | ≤ 5 nm | — |
SELECTIVELY PERMEABLE GRAPHENE OXIDE ELEMENT
graphene-drum engine system
multiple layers of graphene
graphene oxide membrane
tungsten
W
graphene oxide
FIG. 8). [00152] This same approach can also be used in internal combustion embodiments to increase the power density of the device. [00153] In
graphene drum maximum deflection | 1–3 | graphene |
electrically conductive drum thickness | 0.3–1 | electrically conductive membrane |
multi graphene-membrane stack thickness (12-layer example) | 4 | multiple layers of graphene |
protective coating thickness upper bound | ≤ 5 | — |
diaphragm operating frequency (graphene drum pump) | ≥ 1 | graphene |
Thickness | 0.3–1 nm | — |
Thickness | 500–1500 nm | — |
Thickness | ≤ 5 nm | — |
SELECTIVELY PERMEABLE GRAPHENE OXIDE ELEMENT
graphene-drum engine system
multiple layers of graphene
graphene oxide membrane
tungsten
W
graphene oxide
FIG. 8). [00152] This same approach can also be used in internal combustion embodiments to increase the power density of the device. [00153] In
graphene drum maximum deflection | 1–3 | graphene |
electrically conductive drum thickness | 0.3–1 | electrically conductive membrane |
multi graphene-membrane stack thickness (12-layer example) | 4 | multiple layers of graphene |
protective coating thickness upper bound | ≤ 5 | — |
diaphragm operating frequency (graphene drum pump) | ≥ 1 | graphene |
Thickness | 0.3–1 nm | — |
Thickness | 500–1500 nm | — |
Thickness | ≤ 5 nm | — |
SELECTIVELY PERMEABLE GRAPHENE OXIDE ELEMENT