Patents by Inventor Yinshan Feng
Yinshan Feng 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).
-
Patent number: 11911724Abstract: A heat pump includes a vapor compression system and a cooling unit thermally coupled to the vapor compression system. A purge system is arranged in fluid communication with the vapor compression system. The purge system includes at least one separator operable to separate contaminants from a refrigerant purge gas provided to the purge system from the vapor compression system.Type: GrantFiled: December 3, 2019Date of Patent: February 27, 2024Assignee: CARRIER CORPORATIONInventors: Rajiv Ranjan, Yinshan Feng, Parmesh Verma
-
Patent number: 11913693Abstract: A method of purging contaminants from a refrigerant of a heat pump via a purge system includes generating a driving force across a separator, providing refrigerant including contaminants to the separator, separating the contaminants from the refrigerant within the separator, monitoring one or more parameters of the purge system and the heat pump, and actively controlling an operational parameter of the purge system in response to monitoring one or more parameters of the purge system and the heat pump.Type: GrantFiled: November 27, 2019Date of Patent: February 27, 2024Assignee: CARRIER CORPORATIONInventors: Rajiv Ranjan, Yinshan Feng, Parmesh Verma, Michael A. Stark
-
Patent number: 11833889Abstract: A transport refrigeration unit is provided and includes a compressor, a condenser, an expansion valve, an evaporator, piping fluidly coupling the compressor and the condenser, a fluid loop to produce heated fluid from an engine, which is configured to drive operations of the compressor, a heat exchanger disposed in the refrigeration cycle such that the heated fluid thermally interacts with refrigerant of the refrigeration cycle and a hot gas bypass valve to control a quantity of refrigerant removed from the piping.Type: GrantFiled: September 3, 2019Date of Patent: December 5, 2023Assignee: CARRIER CORPORATIONInventors: Jian Sun, Yinshan Feng
-
Patent number: 11686515Abstract: A separator for removing contamination from a fluid of a heat pump includes a housing having a hollow interior, a separation component mounted within the hollow interior, and at least one turbulence-generating element positioned within the hollow interior adjacent the separation component.Type: GrantFiled: November 27, 2019Date of Patent: June 27, 2023Assignee: CARRIER CORPORATIONInventors: Rajiv Ranjan, Yinshan Feng, Parmesh Verma, Michael A. Stark
-
Patent number: 11525618Abstract: A nonlinear coolant tube adapted for use in a heat exchanger core that is configured to port a hot fluid therethrough and a cold fluid therethrough while maintaining isolation of the hot fluid from the cold fluid, and including a hot circuit defining a hot circuit inlet, a hot circuit outlet, a first edge, and a second edge, the first edge distal the second edge, the first edge proximate the hot circuit inlet and the second edge proximate the hot circuit outlet. The nonlinear coolant tube is configured to provide a non-uniform heat transfer profile between the hot fluid and the cold fluid from the first edge to the second edge, such that a thermal resistance of the nonlinear coolant tube near the first edge is greater than the thermal resistance of the nonlinear coolant tube near the second edge.Type: GrantFiled: October 4, 2019Date of Patent: December 13, 2022Assignee: Hamilton Sundstrand CorporationInventors: Abdelrahman I. Elsherbini, Abbas A. Alahyari, Yinshan Feng
-
Patent number: 11499766Abstract: An electronic expansion valve, a heat exchange system, and a control for controlling an electronic expansion valve. The electronic expansion valve includes: a valve body; a first temperature sensor configured to detect an evaporator temperature Teva; a second temperature sensor configured to detect a compressor inlet temperature Tsuc; a third temperature sensor configured to detect a compressor outlet temperature Tdis; a fourth temperature sensor configured to detect a condenser temperature Tcon; and a controller, which is associated with the first temperature sensor, the second temperature sensor, the third temperature sensor and the fourth temperature sensor, and which adjusts an opening degree of the valve body based on temperature signals from the first temperature sensor, the second temperature sensor, the third temperature sensor and the fourth temperature sensor.Type: GrantFiled: April 1, 2020Date of Patent: November 15, 2022Assignee: CARRIER CORPORATIONInventors: Parmesh Verma, Yinshan Feng
-
Patent number: 11448427Abstract: A refrigerated system includes a vapor compression system defining a refrigerant flow path and a heat recovery system defining a heat recovery fluid flow path. The heat recovery system is thermally coupled to the vapor compression system. The heat recovery system includes a first heat exchanger within which heat is transferred between a heat recovery fluid and an engine coolant and at least one recovery heat exchanger positioned along the heat recovery fluid flow path directly upstream from the first heat exchanger.Type: GrantFiled: January 31, 2020Date of Patent: September 20, 2022Assignee: CARRIER CORPORATIONInventors: Hongsheng Liu, Parmesh Verma, Frederick J. Cogswell, Yinshan Feng
-
Patent number: 11408647Abstract: A refrigerated system includes a heat recovery system defining a heat recovery fluid flow path. The heat recovery system includes an ejector having a primary inlet and a secondary inlet and a first heat exchanger within which heat is transferred between a heat recovery fluid and a secondary fluid. The first heat exchanger is located upstream from the primary inlet of the ejector. A second heat exchanger within which heat is transferred from a heat transfer fluid to the heat recovery fluid is upstream from the secondary inlet of the ejector. At least one recovery heat exchanger is positioned along the heat recovery fluid flow path directly upstream from the first heat exchanger.Type: GrantFiled: January 31, 2020Date of Patent: August 9, 2022Assignee: CARRIER CORPORATIONInventors: Frederick J. Cogswell, Yinshan Feng, Parmesh Verma, Hongsheng Liu, Dhruv Chanakya Hoysall
-
Patent number: 11326789Abstract: An air conditioning system and a control method thereof. The air conditioning system includes a main circuit and a first subcooling circuit, wherein the main circuit has: a main compressor and an injector; a gas cooler and a gas-liquid separator connected between the main compressor and the injector; and a main throttling element and an evaporator connected between the gas-liquid separator and the injector; and wherein the first subcooling circuit has: a first subcooling compressor, a first condenser, a first subcooling throttling element and a first subcooler connected in sequence; wherein the first subcooler is further disposed in a flow path between the outlet of the injector and the gas-liquid separator.Type: GrantFiled: April 7, 2020Date of Patent: May 10, 2022Assignee: CARRIER CORPORATIONInventors: Hongsheng Liu, Yinshan Feng, Frederick J. Cogswell, Parmesh Verma
-
Publication number: 20210364202Abstract: A refrigeration system includes a vapor compression loop and a purge system in communication with the vapor compression loop. The purge system includes at least one separator including a sorbent material to separate contaminants from a refrigerant purge gas provided from the vapor compression loop when the sorbent material is pressurized.Type: ApplicationFiled: November 27, 2019Publication date: November 25, 2021Inventors: Rajiv Ranjan, Parmesh Verma, Yinshan Feng
-
Publication number: 20210364203Abstract: A method of purging contaminants from a refrigerant of a heat pump via a purge system includes generating a driving force across a separator, providing refrigerant including contaminants to the separator, separating the contaminants from the refrigerant within the separator, monitoring one or more parameters of the purge system and the heat pump, and actively controlling an operational parameter of the purge system in response to monitoring one or more parameters of the purge system and the heat pump.Type: ApplicationFiled: November 27, 2019Publication date: November 25, 2021Inventors: Rajiv Ranjan, Yinshan Feng, Parmesh Verma, Michael A. Stark
-
Patent number: 11155143Abstract: Disclosed is a system for managing power in a transport refrigeration unit (TRU) installed on a trailer, having: a TRU controller configured to execute a range extender mode of operation to manage operations of the TRU and TRU components, wherein the TRU controller: selects a power management strategy from a plurality of demand-side power management strategies; determines, from the selected power management strategy, operational parameters for a TRU; and executes the generated operational parameters.Type: GrantFiled: March 19, 2019Date of Patent: October 26, 2021Assignee: CARRIER CORPORATIONInventors: Veronica Adetola, Yinshan Feng
-
Publication number: 20210229024Abstract: A heat pump includes a vapor compression system and a cooling unit thermally coupled to the vapor compression system. A purge system is arranged in fluid communication with the vapor compression system. The purge system includes at least one separator operable to separate contaminants from a refrigerant purge gas provided to the purge system from the vapor compression system.Type: ApplicationFiled: December 3, 2019Publication date: July 29, 2021Inventors: Rajiv Ranjan, Yinshan Feng, Parmesh Verma
-
Publication number: 20210231354Abstract: A separator for removing contamination from a fluid of a heat pump includes a housing having a hollow interior, a separation component mounted within the hollow interior, and at least one turbulence-generating element positioned within the hollow interior adjacent the separation component.Type: ApplicationFiled: November 27, 2019Publication date: July 29, 2021Inventors: Rajiv Ranjan, Yinshan Feng, Parmesh Verma, Michael A. Stark
-
Publication number: 20210213807Abstract: A transport refrigeration unit is provided and includes a compressor, a condenser, an expansion valve, an evaporator, piping fluidly coupling the compressor and the condenser, a fluid loop to produce heated fluid from an engine, which is configured to drive operations of the compressor, a heat exchanger disposed in the refrigeration cycle such that the heated fluid thermally interacts with refrigerant of the refrigeration cycle and a hot gas bypass valve to control a quantity of refrigerant removed from the piping.Type: ApplicationFiled: September 3, 2019Publication date: July 15, 2021Inventors: Jian Sun, Yinshan Feng
-
Publication number: 20210102743Abstract: A nonlinear coolant tube adapted for use in a heat exchanger core that is configured to port a hot fluid therethrough and a cold fluid therethrough while maintaining isolation of the hot fluid from the cold fluid, and including a hot circuit defining a hot circuit inlet, a hot circuit outlet, a first edge, and a second edge, the first edge distal the second edge, the first edge proximate the hot circuit inlet and the second edge proximate the hot circuit outlet. The nonlinear coolant tube is configured to provide a non-uniform heat transfer profile between the hot fluid and the cold fluid from the first edge to the second edge, such that a thermal resistance of the nonlinear coolant tube near the first edge is greater than the thermal resistance of the nonlinear coolant tube near the second edge.Type: ApplicationFiled: October 4, 2019Publication date: April 8, 2021Inventors: Abdelrahman I. Elsherbini, Abbas A. Alahyari, Yinshan Feng
-
Patent number: 10928117Abstract: A heat exchanger system includes a heat exchanger coil circulating a first heat transfer fluid therethrough, and a fan at least partially surrounded by the heat exchanger coil to urge a flow of air through the heat exchanger coil to dissipate thermal energy from the first heat transfer fluid. A brushless direct current fan motor is located the fan to urge rotation of the fan and an ancillary electrical component operably connected to the heat exchanger system and electrically isolated from the first heat transfer fluid.Type: GrantFiled: August 14, 2014Date of Patent: February 23, 2021Assignee: CARRIER CORPORATIONInventors: Yinshan Feng, Parmesh Verma
-
Publication number: 20200318881Abstract: An air conditioning system and a startup control method. The air conditioning system includes: a compressor, a condenser, a thermal expansion valve and an evaporator connected via a pipeline; and a thermal temperature sensing bulb disposed on an outlet pipeline of the evaporator and associated with the thermal expansion valve; the air conditioning system further includes a thermal power source which is thermally coupled to the thermal temperature sensing bulb and controlledly cools or heats the thermal temperature sensing bulb. The thermal temperature sensing bulb is cooled or heated, as needed, by a thermal power source thermally coupled to the thermal temperature sensing bulb, thereby enabling the thermal expansion valve associated with the thermal temperature sensing bulb to be opened and closed more smoothly.Type: ApplicationFiled: April 1, 2020Publication date: October 8, 2020Inventors: Parmesh Verma, Yinshan Feng
-
Publication number: 20200318866Abstract: A cooling system is provided and includes a compressor, an expansion valve, a gas cooler through which a refrigerant received from the compressor passes toward the expansion valve in a supercritical state, an evaporator interposed between the expansion valve and the compressor and a vapor sorption subcooling system. The vapor sorption subcooling system includes a desorber disposed to remove heat from refrigerant flowing from the gas cooler toward the expansion valve.Type: ApplicationFiled: March 24, 2020Publication date: October 8, 2020Inventors: Dhruv Chanakya Hoysall, Yinshan Feng, Parmesh Verma, Bart Antonie van Hassel, Rajiv Ranjan
-
Publication number: 20200318664Abstract: A clamp (204) for securing an expansion valve (XV) bulb (114) to a vapor header in a refrigeration system is provided. Aspects includes an arcuate member (210) having a first clamping portion (206) and a second clamping portion (208) extending therefrom and a terminal end of the first clamping portion having a first flange (212) and a terminal end of the second clamping portion having a second flange (214). The first clamping portion (206) and the second clamping portion (208) are configured to envelope the expansion valve (XV) bulb (114) and a vapor header in a refrigeration system.Type: ApplicationFiled: September 28, 2018Publication date: October 8, 2020Inventors: Mark W. Shoemaker, James Amick, Parmesh Verma, Yinshan Feng