Patent
US 10,138,439LUBRICATION MATERIAL USING SELF-DISPERSED CRUMPLED GRAPHENE BALLS AS ADDITIVES IN OIL FOR FRICTION AND WEAR REDUCTION
Jiaxing Huang
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,138,439Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows a flowchart of a method for forming a lubrication material 15 according to certain embodiments of the present invention.
FIG. 2 schematically shows the dispersion properties of four carbon additives in the lubricating oil according to certain embodiments of the present invention, …
FIG. 3 shows optical microscopy images corresponding to the vials as shown in
FIG. 4 shows (a) a schematic view and (b) a photo of a pin-on-disk configured tribometer used for testing the tribological properties of the carbon-based …
FIG. 5 schematically shows showing crumpled graphene balls being compressed between the pin and the disk on a pin-on-disk type of tribological tester according …
FIG. 6 shows (a) a SEM overview image of the area of crumpled graphene coated 5 disk right beneath the pin as shown in
FIG. 7 shows coefficient of frictions of the PAO₄ base oil with and without the carbon additives according to certain embodiments of the present invention, where …
FIG. 8 shows SEM images showing the carbon additives in the wear tracks after tribological tests according to certain embodiments of the present invention, …
FIG. 9 shows bar charts of wear rate coefficients of the PAO₄ based oil with and 20 without carbon additives according to certain embodiments of the present …
FIG. 10 shows corresponding 3D profile images of the wear tracks of the PAO₄ based oil with and without carbon additives according to certain embodiments of the …
FIG. 11 shows (a) width and (b) depth distribution of wear tracks as shown in
FIG. 12 shows comparison of the PAO₄ base oil modified by crumpled graphene Attorney Docket No.: 0116936.140US₂ balls and the fully formulated lubricant 5 W₃₀ …
FIG. 13 shows the dispersion properties of four carbon additives in the lubricating oil at a low temperature of-15 ° C according to certain embodiments of the …
FIG. 14 shows the dispersion properties of four carbon additives in the lubricating oil at a high temperature of 90 ° C according to certain embodiments of the …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method for forming a lubrication material, the method comprising: providing a lubricant base fluid; adding crumpled graphene balls as additives in the lubricant base fluid; sonicating the lubricant base fluid with the additives for a sonicating time period, so that the crumpled graphene balls are self-dispersed in the lubricant base fluid to improve friction and wear properties of the lubricant base fluid; and adding a dispersing ag ent in the lubricant base fluid to enhance stability of dispersion of the crumpled graphene balls in the lubricant base fluid, wherein the lubricant base fluid is a pol y alphaolefin type-4 (PA O 4) oil, and the dispersing ag ent is Triethoxysilane. Currently amended
The method of claim 1, wherein a weight percentage of the crumpled graphene balls to the lubricant base fluid is in a range between 0.01 % and 0.1 %. Original
The method of claim 1, wherein the sonicating time period is about 30 minutes. Original
The method of claim 1, wherein the crumpled graphene balls are configured to stay stably dispersed in the lubricant base fluid between a first temperature and a second temperature, wherein the first temperature is lower than a room temperature, and the second temperature is higher than the room temperature. Original
The method of claim 1, wherein the crumpled graphene balls are formed by isotropically compressing flat graphene-based sheets suspended in nebulized aerosol droplets during a solvent evaporation process. Original
A method of providing lubrication using the lubrication material formed by the method of claim 1. Original
. Canceled
. Canceled
. Canceled
A lubrication material, comprising: a lubricant base fluid; crumpled graphene balls being added as additives in the lubricant base fluid [[,]] and a dispersing ag ent being added in the lubricant base fluid to enhance stability of dispersion of the crumpled graphene balls in the lubricant base fluid, wherein the lubrication material is sonicated for a sonicating time period, so that the crumpled graphene balls are self-dispersed in the lubricant base fluid; and wherein the lubricant base fluid is a polyalphaolefin type-4 (PA O 4) oil, and the dispersing ag ent is Triethoxysilane. Currently amended
The lubrication material of claim 11, wherein a weight percentage of the crumpled graphene balls to the lubricant base fluid is in a range between 0.01 % and 0.1 %. Original
The lubrication material of claim 11, wherein the sonicating time period is about 30 minutes. Original
The lubrication material of claim 11, wherein the crumpled graphene balls are configured to stay stably dispersed in the lubricant base fluid between a first temperature and a second temperature, wherein the first temperature is higher than a room temperature, and the second temperature is lower than the room temperature. Original
The lubrication material of claim 11, wherein the crumpled graphene balls are formed by isotropically compressing flat graphene-based sheets suspended in nebulized aerosol droplets during a solvent evaporation process. Original
A method of providing lubrication using the lubrication material of claim 11. Original
. Canceled
. Canceled
. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
lubrication material
Materials described outside the worked examples.
crumpled graphene balls
polyalphaolefin type-4 (PAO₄) oil
Triethoxysilane
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 6 shows (a) a SEM overview image of the area of crumpled graphene coated 5 disk right beneath the pin as shown in
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1–3 µm | — |
Thickness | 40–60 nm |
Patent
Atlas literature
Patent
US 10,138,439Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows a flowchart of a method for forming a lubrication material 15 according to certain embodiments of the present invention.
FIG. 2 schematically shows the dispersion properties of four carbon additives in the lubricating oil according to certain embodiments of the present invention, …
FIG. 3 shows optical microscopy images corresponding to the vials as shown in
FIG. 4 shows (a) a schematic view and (b) a photo of a pin-on-disk configured tribometer used for testing the tribological properties of the carbon-based …
FIG. 5 schematically shows showing crumpled graphene balls being compressed between the pin and the disk on a pin-on-disk type of tribological tester according …
FIG. 6 shows (a) a SEM overview image of the area of crumpled graphene coated 5 disk right beneath the pin as shown in
FIG. 7 shows coefficient of frictions of the PAO₄ base oil with and without the carbon additives according to certain embodiments of the present invention, where …
FIG. 8 shows SEM images showing the carbon additives in the wear tracks after tribological tests according to certain embodiments of the present invention, …
FIG. 9 shows bar charts of wear rate coefficients of the PAO₄ based oil with and 20 without carbon additives according to certain embodiments of the present …
FIG. 10 shows corresponding 3D profile images of the wear tracks of the PAO₄ based oil with and without carbon additives according to certain embodiments of the …
FIG. 11 shows (a) width and (b) depth distribution of wear tracks as shown in
FIG. 12 shows comparison of the PAO₄ base oil modified by crumpled graphene Attorney Docket No.: 0116936.140US₂ balls and the fully formulated lubricant 5 W₃₀ …
FIG. 13 shows the dispersion properties of four carbon additives in the lubricating oil at a low temperature of-15 ° C according to certain embodiments of the …
FIG. 14 shows the dispersion properties of four carbon additives in the lubricating oil at a high temperature of 90 ° C according to certain embodiments of the …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method for forming a lubrication material, the method comprising: providing a lubricant base fluid; adding crumpled graphene balls as additives in the lubricant base fluid; sonicating the lubricant base fluid with the additives for a sonicating time period, so that the crumpled graphene balls are self-dispersed in the lubricant base fluid to improve friction and wear properties of the lubricant base fluid; and adding a dispersing ag ent in the lubricant base fluid to enhance stability of dispersion of the crumpled graphene balls in the lubricant base fluid, wherein the lubricant base fluid is a pol y alphaolefin type-4 (PA O 4) oil, and the dispersing ag ent is Triethoxysilane. Currently amended
The method of claim 1, wherein a weight percentage of the crumpled graphene balls to the lubricant base fluid is in a range between 0.01 % and 0.1 %. Original
The method of claim 1, wherein the sonicating time period is about 30 minutes. Original
The method of claim 1, wherein the crumpled graphene balls are configured to stay stably dispersed in the lubricant base fluid between a first temperature and a second temperature, wherein the first temperature is lower than a room temperature, and the second temperature is higher than the room temperature. Original
The method of claim 1, wherein the crumpled graphene balls are formed by isotropically compressing flat graphene-based sheets suspended in nebulized aerosol droplets during a solvent evaporation process. Original
A method of providing lubrication using the lubrication material formed by the method of claim 1. Original
. Canceled
. Canceled
. Canceled
A lubrication material, comprising: a lubricant base fluid; crumpled graphene balls being added as additives in the lubricant base fluid [[,]] and a dispersing ag ent being added in the lubricant base fluid to enhance stability of dispersion of the crumpled graphene balls in the lubricant base fluid, wherein the lubrication material is sonicated for a sonicating time period, so that the crumpled graphene balls are self-dispersed in the lubricant base fluid; and wherein the lubricant base fluid is a polyalphaolefin type-4 (PA O 4) oil, and the dispersing ag ent is Triethoxysilane. Currently amended
The lubrication material of claim 11, wherein a weight percentage of the crumpled graphene balls to the lubricant base fluid is in a range between 0.01 % and 0.1 %. Original
The lubrication material of claim 11, wherein the sonicating time period is about 30 minutes. Original
The lubrication material of claim 11, wherein the crumpled graphene balls are configured to stay stably dispersed in the lubricant base fluid between a first temperature and a second temperature, wherein the first temperature is higher than a room temperature, and the second temperature is lower than the room temperature. Original
The lubrication material of claim 11, wherein the crumpled graphene balls are formed by isotropically compressing flat graphene-based sheets suspended in nebulized aerosol droplets during a solvent evaporation process. Original
A method of providing lubrication using the lubrication material of claim 11. Original
. Canceled
. Canceled
. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
lubrication material
Materials described outside the worked examples.
crumpled graphene balls
polyalphaolefin type-4 (PAO₄) oil
Triethoxysilane
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 6 shows (a) a SEM overview image of the area of crumpled graphene coated 5 disk right beneath the pin as shown in
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1–3 µm | — |
Thickness | 40–60 nm |
Patent
Atlas literature
Patent
US 10,138,439Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows a flowchart of a method for forming a lubrication material 15 according to certain embodiments of the present invention.
FIG. 2 schematically shows the dispersion properties of four carbon additives in the lubricating oil according to certain embodiments of the present invention, …
FIG. 3 shows optical microscopy images corresponding to the vials as shown in
FIG. 4 shows (a) a schematic view and (b) a photo of a pin-on-disk configured tribometer used for testing the tribological properties of the carbon-based …
FIG. 5 schematically shows showing crumpled graphene balls being compressed between the pin and the disk on a pin-on-disk type of tribological tester according …
FIG. 6 shows (a) a SEM overview image of the area of crumpled graphene coated 5 disk right beneath the pin as shown in
FIG. 7 shows coefficient of frictions of the PAO₄ base oil with and without the carbon additives according to certain embodiments of the present invention, where …
FIG. 8 shows SEM images showing the carbon additives in the wear tracks after tribological tests according to certain embodiments of the present invention, …
FIG. 9 shows bar charts of wear rate coefficients of the PAO₄ based oil with and 20 without carbon additives according to certain embodiments of the present …
FIG. 10 shows corresponding 3D profile images of the wear tracks of the PAO₄ based oil with and without carbon additives according to certain embodiments of the …
FIG. 11 shows (a) width and (b) depth distribution of wear tracks as shown in
FIG. 12 shows comparison of the PAO₄ base oil modified by crumpled graphene Attorney Docket No.: 0116936.140US₂ balls and the fully formulated lubricant 5 W₃₀ …
FIG. 13 shows the dispersion properties of four carbon additives in the lubricating oil at a low temperature of-15 ° C according to certain embodiments of the …
FIG. 14 shows the dispersion properties of four carbon additives in the lubricating oil at a high temperature of 90 ° C according to certain embodiments of the …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method for forming a lubrication material, the method comprising: providing a lubricant base fluid; adding crumpled graphene balls as additives in the lubricant base fluid; sonicating the lubricant base fluid with the additives for a sonicating time period, so that the crumpled graphene balls are self-dispersed in the lubricant base fluid to improve friction and wear properties of the lubricant base fluid; and adding a dispersing ag ent in the lubricant base fluid to enhance stability of dispersion of the crumpled graphene balls in the lubricant base fluid, wherein the lubricant base fluid is a pol y alphaolefin type-4 (PA O 4) oil, and the dispersing ag ent is Triethoxysilane. Currently amended
The method of claim 1, wherein a weight percentage of the crumpled graphene balls to the lubricant base fluid is in a range between 0.01 % and 0.1 %. Original
The method of claim 1, wherein the sonicating time period is about 30 minutes. Original
The method of claim 1, wherein the crumpled graphene balls are configured to stay stably dispersed in the lubricant base fluid between a first temperature and a second temperature, wherein the first temperature is lower than a room temperature, and the second temperature is higher than the room temperature. Original
The method of claim 1, wherein the crumpled graphene balls are formed by isotropically compressing flat graphene-based sheets suspended in nebulized aerosol droplets during a solvent evaporation process. Original
A method of providing lubrication using the lubrication material formed by the method of claim 1. Original
. Canceled
. Canceled
. Canceled
A lubrication material, comprising: a lubricant base fluid; crumpled graphene balls being added as additives in the lubricant base fluid [[,]] and a dispersing ag ent being added in the lubricant base fluid to enhance stability of dispersion of the crumpled graphene balls in the lubricant base fluid, wherein the lubrication material is sonicated for a sonicating time period, so that the crumpled graphene balls are self-dispersed in the lubricant base fluid; and wherein the lubricant base fluid is a polyalphaolefin type-4 (PA O 4) oil, and the dispersing ag ent is Triethoxysilane. Currently amended
The lubrication material of claim 11, wherein a weight percentage of the crumpled graphene balls to the lubricant base fluid is in a range between 0.01 % and 0.1 %. Original
The lubrication material of claim 11, wherein the sonicating time period is about 30 minutes. Original
The lubrication material of claim 11, wherein the crumpled graphene balls are configured to stay stably dispersed in the lubricant base fluid between a first temperature and a second temperature, wherein the first temperature is higher than a room temperature, and the second temperature is lower than the room temperature. Original
The lubrication material of claim 11, wherein the crumpled graphene balls are formed by isotropically compressing flat graphene-based sheets suspended in nebulized aerosol droplets during a solvent evaporation process. Original
A method of providing lubrication using the lubrication material of claim 11. Original
. Canceled
. Canceled
. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
lubrication material
Materials described outside the worked examples.
crumpled graphene balls
polyalphaolefin type-4 (PAO₄) oil
Triethoxysilane
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 6 shows (a) a SEM overview image of the area of crumpled graphene coated 5 disk right beneath the pin as shown in
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1–3 µm | — |
Thickness | 40–60 nm |
Patent
Atlas literature
Patent
US 10,138,439Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 shows a flowchart of a method for forming a lubrication material 15 according to certain embodiments of the present invention.
FIG. 2 schematically shows the dispersion properties of four carbon additives in the lubricating oil according to certain embodiments of the present invention, …
FIG. 3 shows optical microscopy images corresponding to the vials as shown in
FIG. 4 shows (a) a schematic view and (b) a photo of a pin-on-disk configured tribometer used for testing the tribological properties of the carbon-based …
FIG. 5 schematically shows showing crumpled graphene balls being compressed between the pin and the disk on a pin-on-disk type of tribological tester according …
FIG. 6 shows (a) a SEM overview image of the area of crumpled graphene coated 5 disk right beneath the pin as shown in
FIG. 7 shows coefficient of frictions of the PAO₄ base oil with and without the carbon additives according to certain embodiments of the present invention, where …
FIG. 8 shows SEM images showing the carbon additives in the wear tracks after tribological tests according to certain embodiments of the present invention, …
FIG. 9 shows bar charts of wear rate coefficients of the PAO₄ based oil with and 20 without carbon additives according to certain embodiments of the present …
FIG. 10 shows corresponding 3D profile images of the wear tracks of the PAO₄ based oil with and without carbon additives according to certain embodiments of the …
FIG. 11 shows (a) width and (b) depth distribution of wear tracks as shown in
FIG. 12 shows comparison of the PAO₄ base oil modified by crumpled graphene Attorney Docket No.: 0116936.140US₂ balls and the fully formulated lubricant 5 W₃₀ …
FIG. 13 shows the dispersion properties of four carbon additives in the lubricating oil at a low temperature of-15 ° C according to certain embodiments of the …
FIG. 14 shows the dispersion properties of four carbon additives in the lubricating oil at a high temperature of 90 ° C according to certain embodiments of the …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method for forming a lubrication material, the method comprising: providing a lubricant base fluid; adding crumpled graphene balls as additives in the lubricant base fluid; sonicating the lubricant base fluid with the additives for a sonicating time period, so that the crumpled graphene balls are self-dispersed in the lubricant base fluid to improve friction and wear properties of the lubricant base fluid; and adding a dispersing ag ent in the lubricant base fluid to enhance stability of dispersion of the crumpled graphene balls in the lubricant base fluid, wherein the lubricant base fluid is a pol y alphaolefin type-4 (PA O 4) oil, and the dispersing ag ent is Triethoxysilane. Currently amended
The method of claim 1, wherein a weight percentage of the crumpled graphene balls to the lubricant base fluid is in a range between 0.01 % and 0.1 %. Original
The method of claim 1, wherein the sonicating time period is about 30 minutes. Original
The method of claim 1, wherein the crumpled graphene balls are configured to stay stably dispersed in the lubricant base fluid between a first temperature and a second temperature, wherein the first temperature is lower than a room temperature, and the second temperature is higher than the room temperature. Original
The method of claim 1, wherein the crumpled graphene balls are formed by isotropically compressing flat graphene-based sheets suspended in nebulized aerosol droplets during a solvent evaporation process. Original
A method of providing lubrication using the lubrication material formed by the method of claim 1. Original
. Canceled
. Canceled
. Canceled
A lubrication material, comprising: a lubricant base fluid; crumpled graphene balls being added as additives in the lubricant base fluid [[,]] and a dispersing ag ent being added in the lubricant base fluid to enhance stability of dispersion of the crumpled graphene balls in the lubricant base fluid, wherein the lubrication material is sonicated for a sonicating time period, so that the crumpled graphene balls are self-dispersed in the lubricant base fluid; and wherein the lubricant base fluid is a polyalphaolefin type-4 (PA O 4) oil, and the dispersing ag ent is Triethoxysilane. Currently amended
The lubrication material of claim 11, wherein a weight percentage of the crumpled graphene balls to the lubricant base fluid is in a range between 0.01 % and 0.1 %. Original
The lubrication material of claim 11, wherein the sonicating time period is about 30 minutes. Original
The lubrication material of claim 11, wherein the crumpled graphene balls are configured to stay stably dispersed in the lubricant base fluid between a first temperature and a second temperature, wherein the first temperature is higher than a room temperature, and the second temperature is lower than the room temperature. Original
The lubrication material of claim 11, wherein the crumpled graphene balls are formed by isotropically compressing flat graphene-based sheets suspended in nebulized aerosol droplets during a solvent evaporation process. Original
A method of providing lubrication using the lubrication material of claim 11. Original
. Canceled
. Canceled
. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
lubrication material
Materials described outside the worked examples.
crumpled graphene balls
polyalphaolefin type-4 (PAO₄) oil
Triethoxysilane
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 6 shows (a) a SEM overview image of the area of crumpled graphene coated 5 disk right beneath the pin as shown in
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 1–3 µm | — |
Thickness | 40–60 nm |
graphene-based sheets
mineral oil
FIG. 8 shows SEM images showing the carbon additives in the wear tracks after tribological tests according to certain embodiments of the present invention, …
| — |
Duration | 5–10 hours | — |
graphene-based sheets
mineral oil
FIG. 8 shows SEM images showing the carbon additives in the wear tracks after tribological tests according to certain embodiments of the present invention, …
| — |
Duration | 5–10 hours | — |
graphene-based sheets
mineral oil
FIG. 8 shows SEM images showing the carbon additives in the wear tracks after tribological tests according to certain embodiments of the present invention, …
| — |
Duration | 5–10 hours | — |
graphene-based sheets
mineral oil
FIG. 8 shows SEM images showing the carbon additives in the wear tracks after tribological tests according to certain embodiments of the present invention, …
| — |
Duration | 5–10 hours | — |