Patents by Inventor RAMEET SINGH GREWAL
RAMEET SINGH GREWAL has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20230391047Abstract: An insulating structure for an appliance includes an outer layer and an inner layer, wherein an insulating cavity is defined therebetween. A plurality of hollow nano-spheres are disposed within the insulating cavity, wherein each of the hollow nano-spheres includes a diameter in the range of from approximately 50 nanometers to approximately 1000 nanometers and has a wall that defines the internal space, and wherein the wall of each hollow nano-sphere has a thickness that is in a range of from approximately 0.5 nanometers to approximately 100 nanometers. A fill material is disposed in the insulating cavity and wherein the fill material is disposed in the space defined between the plurality of hollow nano-spheres, and wherein the fill material includes at least one of powdered silica, granulated silica, other silica material, aerogel and insulating gas.Type: ApplicationFiled: August 24, 2023Publication date: December 7, 2023Applicant: Whirlpool CorporationInventors: Lakshya J. Deka, Rameet Singh Grewal, Andrea Olivani
-
Patent number: 11787151Abstract: An insulating structure for an appliance includes an outer layer and an inner layer, wherein an insulating cavity is defined therebetween. A plurality of hollow nano-spheres are disposed within the insulating cavity, wherein each of the hollow nano-spheres includes a diameter in the range of from approximately 50 nanometers to approximately 1000 nanometers and has a wall that defines the internal space, and wherein the wall of each hollow nano-sphere has a thickness that is in a range of from approximately 0.5 nanometers to approximately 100 nanometers. A fill material is disposed in the insulating cavity and wherein the fill material is disposed in the space defined between the plurality of hollow nano-spheres, and wherein the fill material includes at least one of powdered silica, granulated silica, other silica material, aerogel and insulating gas.Type: GrantFiled: December 29, 2021Date of Patent: October 17, 2023Assignee: Whirlpool CorporationInventors: Lakshya J. Deka, Rameet Singh Grewal, Andrea Olivani
-
Publication number: 20220118737Abstract: An insulating structure for an appliance includes an outer layer and an inner layer, wherein an insulating cavity is defined therebetween. A plurality of hollow nano-spheres are disposed within the insulating cavity, wherein each of the hollow nano-spheres includes a diameter in the range of from approximately 50 nanometers to approximately 1000 nanometers and has a wall that defines the internal space, and wherein the wall of each hollow nano-sphere has a thickness that is in a range of from approximately 0.5 nanometers to approximately 100 nanometers. A fill material is disposed in the insulating cavity and wherein the fill material is disposed in the space defined between the plurality of hollow nano-spheres, and wherein the fill material includes at least one of powdered silica, granulated silica, other silica material, aerogel and insulating gas.Type: ApplicationFiled: December 29, 2021Publication date: April 21, 2022Applicant: Whirlpool CorporationInventors: Lakshya J. Deka, Rameet Singh Grewal, Andrea Olivani
-
Patent number: 11247432Abstract: An insulating structure for an appliance includes an outer layer and an inner layer, wherein an insulating cavity is defined therebetween. A plurality of hollow nano-spheres are disposed within the insulating cavity, wherein each of the hollow nano-spheres includes a diameter in the range of from approximately 50 nanometers to approximately 1000 nanometers and has a wall that defines the internal space, and wherein the wall of each hollow nano-sphere has a thickness that is in a range of from approximately 0.5 nanometers to approximately 100 nanometers. A fill material is disposed in the insulating cavity and wherein the fill material is disposed in the space defined between the plurality of hollow nano-spheres, and wherein the fill material includes at least one of powdered silica, granulated silica, other silica material, aerogel and insulating gas.Type: GrantFiled: April 20, 2020Date of Patent: February 15, 2022Assignee: Whirlpool CorporationInventors: Lakshya J. Deka, Rameet Singh Grewal, Andrea Olivani
-
Patent number: 11009288Abstract: An insulation structure for an appliance includes a cabinet having an outer wrapper and an inner liner, with an insulating cavity defined therebetween. Insulating powder material is disposed substantially throughout the insulating cavity. An insulating gas is disposed within the insulating cavity, wherein the insulating powder material is combined with the insulating gas and cooperatively defines a suspended state and a precipitated state. The suspended state is defined by the insulating gas in motion and the insulating powder being in an aeolian suspension within the insulating gas while in motion. The precipitated state is defined by the insulating gas being in a deposition state and the insulating powder being precipitated from the insulating gas and deposited within the insulating cavity.Type: GrantFiled: August 7, 2019Date of Patent: May 18, 2021Assignee: Whirlpool CorporationInventors: Lakshya J. Deka, Rameet Singh Grewal, Diptesh Mukherjee, Abhay Naik
-
Publication number: 20200238657Abstract: An insulating structure for an appliance includes an outer layer and an inner layer, wherein an insulating cavity is defined therebetween. A plurality of hollow nano-spheres are disposed within the insulating cavity, wherein each of the hollow nano-spheres includes a diameter in the range of from approximately 50 nanometers to approximately 1000 nanometers and has a wall that defines the internal space, and wherein the wall of each hollow nano-sphere has a thickness that is in a range of from approximately 0.5 nanometers to approximately 100 nanometers. A fill material is disposed in the insulating cavity and wherein the fill material is disposed in the space defined between the plurality of hollow nano-spheres, and wherein the fill material includes at least one of powdered silica, granulated silica, other silica material, aerogel and insulating gas.Type: ApplicationFiled: April 20, 2020Publication date: July 30, 2020Applicant: Whirlpool CorporationInventors: Lakshya J. Deka, Rameet Singh Grewal, Andrea Olivani
-
Patent number: 10690360Abstract: A method and system is provided which receives a desired humidity level from a user for the refrigeration compartment of a refrigerator, determines the current humidity level, and then activates an atomizer in the refrigeration compartment to increase the humidity level if needed. The humidity in the refrigeration compartment may be determined based at least in part on the temperature of the refrigeration compartment, the defrost timer, the door opening times, and the compressor timer.Type: GrantFiled: April 1, 2015Date of Patent: June 23, 2020Assignee: Whirlpool CorporationInventors: Rameet Singh Grewal, Anderson Bortoletto, Guolian Wu
-
Patent number: 10661527Abstract: An insulating structure for an appliance includes an outer layer and an inner layer, wherein an insulating cavity is defined therebetween. A plurality of hollow nano-spheres are disposed within the insulating cavity, wherein each of the hollow nano-spheres includes a diameter in the range of from approximately 50 nanometers to approximately 1000 nanometers and has a wall that defines the internal space, and wherein the wall of each hollow nano-sphere has a thickness that is in a range of from approximately 0.5 nanometers to approximately 100 nanometers. A fill material is disposed in the insulating cavity and wherein the fill material is disposed in the space defined between the plurality of hollow nano-spheres, and wherein the fill material includes at least one of powdered silica, granulated silica, other silica material, aerogel and insulating gas.Type: GrantFiled: September 10, 2018Date of Patent: May 26, 2020Assignee: Whirlpool CorporationInventors: Lakshya J. Deka, Rameet Singh Grewal, Andrea Olivani
-
Publication number: 20190360743Abstract: An insulation structure for an appliance includes a cabinet having an outer wrapper and an inner liner, with an insulating cavity defined therebetween. Insulating powder material is disposed substantially throughout the insulating cavity. An insulating gas is disposed within the insulating cavity, wherein the insulating powder material is combined with the insulating gas and cooperatively defines a suspended state and a precipitated state. The suspended state is defined by the insulating gas in motion and the insulating powder being in an aeolian suspension within the insulating gas while in motion. The precipitated state is defined by the insulating gas being in a deposition state and the insulating powder being precipitated from the insulating gas and deposited within the insulating cavity.Type: ApplicationFiled: August 7, 2019Publication date: November 28, 2019Applicant: WHIRLPOOL CORPORATIONInventors: Lakshya J. Deka, Rameet Singh Grewal, Diptesh Mukherjee, Abhay Naik
-
Patent number: 10422573Abstract: An insulation structure for an appliance includes a cabinet having an outer wrapper and an inner liner, with an insulating cavity defined therebetween. Insulating powder material is disposed substantially throughout the insulating cavity. An insulating gas is disposed within the insulating cavity, wherein the insulating powder material is combined with the insulating gas and cooperatively defines a suspended state and a precipitated state. The suspended state is defined by the insulating gas in motion and the insulating powder being in an aeolian suspension within the insulating gas while in motion. The precipitated state is defined by the insulating gas being in a deposition state and the insulating powder being precipitated from the insulating gas and deposited within the insulating cavity.Type: GrantFiled: December 8, 2015Date of Patent: September 24, 2019Assignee: Whirlpool CorporationInventors: Lakshya J. Deka, Rameet Singh Grewal, Diptesh Mukherjee, Abhay Naik
-
Publication number: 20190001617Abstract: An insulating structure for an appliance includes an outer layer and an inner layer, wherein an insulating cavity is defined therebetween. A plurality of hollow nano-spheres are disposed within the insulating cavity, wherein each of the hollow nano-spheres includes a diameter in the range of from approximately 50 nanometers to approximately 1000 nanometers and has a wall that defines the internal space, and wherein the wall of each hollow nano-sphere has a thickness that is in a range of from approximately 0.5 nanometers to approximately 100 nanometers. A fill material is disposed in the insulating cavity and wherein the fill material is disposed in the space defined between the plurality of hollow nano-spheres, and wherein the fill material includes at least one of powdered silica, granulated silica, other silica material, aerogel and insulating gas.Type: ApplicationFiled: September 10, 2018Publication date: January 3, 2019Applicant: Whirlpool CorporationInventors: Lakshya J. Deka, Rameet Singh Grewal, Andrea Olivani
-
Patent number: 10119742Abstract: A refrigerator includes a cabinet having at least one door. A removable cooling module is coupled with an outer periphery of the cabinet. The removable cooling module includes an ice maker. A duct is in communication with the removable cooling module. Ice is produced by the ice maker and transferred through the duct to the refrigerator.Type: GrantFiled: May 18, 2012Date of Patent: November 6, 2018Assignee: Whirlpool CorporationInventors: Rameet Singh Grewal, Steven J. Kuehl, Andrew D. Litch, Douglas D. Leclear, Lorraine J. Westlake, Guolian Wu
-
Patent number: 10105928Abstract: An insulating structure for an appliance includes an outer layer and an inner layer, wherein an insulating cavity is defined therebetween. A plurality of hollow nano-spheres are disposed within the insulating cavity, wherein each of the hollow nano-spheres includes a diameter in the range of from approximately 50 nanometers to approximately 1000 nanometers and has a wall that defines the internal space, and wherein the wall of each hollow nano-sphere has a thickness that is in a range of from approximately 0.5 nanometers to approximately 100 nanometers. A fill material is disposed in the insulating cavity and wherein the fill material is disposed in the space defined between the plurality of hollow nano-spheres, and wherein the fill material includes at least one of powdered silica, granulated silica, other silica material, aerogel and insulating gas.Type: GrantFiled: December 8, 2015Date of Patent: October 23, 2018Assignee: Whirlpool CorporationInventors: Lakshya J. Deka, Rameet Singh Grewal, Andrea Olivani
-
Patent number: 10054350Abstract: A removable cooling module for a refrigerator includes a cooling unit positioned in a housing and removably coupled with a top wall of the refrigerator. An ice maker is coupled to the cooling unit. An ice bin is disposed in the housing and is adapted to receive and store ice from the ice maker. A duct is in communication with the cooling unit and is adapted to convey ice from the removable cooling module to an ice dispenser.Type: GrantFiled: May 18, 2012Date of Patent: August 21, 2018Assignee: Whirlpool CorporationInventors: Rameet Singh Grewal, Steven J. Kuehl, Andrew D. Litch, Douglas D. Leclear, Lorraine J. Westlake, Guolian Wu
-
Patent number: 9976798Abstract: An insulated cabinet structure includes an inner liner having a plurality of walls defining a refrigerator compartment, and an external wrapper having a plurality of walls defining a refrigerator compartment receiving area. An insulation gap is formed between the walls of the inner liner and the walls of the external wrapper. A first insulation material is positioned on a wall of the external wrapper and extends outwardly into the insulation gap to partially fill the insulation gap. The first insulation material includes a renewable resource component having a particle size in a range from about 10 microns to about 25 microns. A second insulation material is disposed in the insulation gap, such that the first insulation material and the second insulation material together substantially fill the insulation gap.Type: GrantFiled: September 12, 2017Date of Patent: May 22, 2018Assignee: Whirlpool CorporationInventors: Diptesh Mukherjee, Rameet Singh Grewal
-
Publication number: 20180031306Abstract: An insulated cabinet structure includes an inner liner having a plurality of walls defining a refrigerator compartment, and an external wrapper having a plurality of walls defining a refrigerator compartment receiving area. An insulation gap is formed between the walls of the inner liner and the walls of the external wrapper. A first insulation material is positioned on a wall of the external wrapper and extends outwardly into the insulation gap to partially fill the insulation gap. The first insulation material includes a renewable resource component having a particle size in a range from about 10 microns to about 25 microns. A second insulation material is disposed in the insulation gap, such that the first insulation material and the second insulation material together substantially fill the insulation gap.Type: ApplicationFiled: September 12, 2017Publication date: February 1, 2018Applicant: WHIRLPOOL CORPORATIONInventors: Diptesh Mukherjee, Rameet Singh Grewal
-
Patent number: 9791205Abstract: An insulated cabinet structure includes an inner liner having a plurality of walls defining a refrigerator compartment, and an external wrapper having a plurality of walls defining a refrigerator compartment receiving area. An insulation gap is formed between the walls of the inner liner and the walls of the external wrapper. A first insulation material is positioned on a wall of the external wrapper and extends outwardly into the insulation gap to partially fill the insulation gap. The first insulation material includes a renewable resource component having a particle size in a range from about 10 microns to about 25 microns. A second insulation material is disposed in the insulation gap, such that the first insulation material and the second insulation material together substantially fill the insulation gap.Type: GrantFiled: December 9, 2015Date of Patent: October 17, 2017Assignee: Whirlpool CorporationInventors: Diptesh Mukherjee, Rameet Singh Grewal
-
Publication number: 20170167781Abstract: An insulated cabinet structure includes an inner liner having a plurality of walls defining a refrigerator compartment, and an external wrapper having a plurality of walls defining a refrigerator compartment receiving area. An insulation gap is formed between the walls of the inner liner and the walls of the external wrapper. A first insulation material is positioned on a wall of the external wrapper and extends outwardly into the insulation gap to partially fill the insulation gap. The first insulation material includes a renewable resource component having a particle size in a range from about 10 microns to about 25 microns. A second insulation material is disposed in the insulation gap, such that the first insulation material and the second insulation material together substantially fill the insulation gap.Type: ApplicationFiled: December 9, 2015Publication date: June 15, 2017Applicant: Whirlpool CorporationInventors: Diptesh Mukherjee, Rameet Singh Grewal
-
Publication number: 20170167782Abstract: An insulated cabinet structure includes an inner liner having a plurality of walls defining a refrigerator compartment. An external wrapper includes a plurality of walls defining a refrigerator compartment receiving area. An insulation gap is formed between the walls of the inner liner and the walls of the external wrapper when the inner liner is received in the external wrapper. An insulation member is positioned within the insulation gap and includes a renewable resource component comprising about 10% to about 90% by weight of the insulation member.Type: ApplicationFiled: December 9, 2015Publication date: June 15, 2017Applicant: Whirlpool CorporationInventors: Mukherjee Diptesh, Rameet Singh Grewal, Manjur Tamboli
-
Publication number: 20170157890Abstract: An insulating structure for an appliance includes an outer layer and an inner layer, wherein an insulating cavity is defined therebetween. A plurality of hollow nano-spheres are disposed within the insulating cavity, wherein each of the hollow nano-spheres includes a diameter in the range of from approximately 50 nanometers to approximately 1000 nanometers and has a wall that defines the internal space, and wherein the wall of each hollow nano-sphere has a thickness that is in a range of from approximately 0.5 nanometers to approximately 100 nanometers. A fill material is disposed in the insulating cavity and wherein the fill material is disposed in the space defined between the plurality of hollow nano-spheres, and wherein the fill material includes at least one of powdered silica, granulated silica, other silica material, aerogel and insulating gas.Type: ApplicationFiled: December 8, 2015Publication date: June 8, 2017Applicant: Whirlpool CorporationInventors: Lakshya J. Deka, Rameet Singh Grewal, Andrea Olivani