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公开(公告)号：US20200025429A1
公开(公告)日：2020-01-23
申请号：US16186262
申请日：2018-11-09
Applicant: Carrier Corporation
Inventor： Rajiv Ranjan , Yinshan Feng , Parmesh Verma , Zissis A. Dardas
Abstract: Disclosed is a refrigeration system including a heat transfer fluid circulation loop configured to allow a refrigerant to circulate therethrough, a purge outlet from the heat transfer fluid circulation loop, and at least one gas permeable membrane having a first side in communication with the purge outlet. The membrane includes a porous inorganic material with pores of a size to allow passage of contaminants through the membrane and restrict passage of the refrigerant through the membrane. A retentate return flow path connects the first side of the membrane to the heat transfer fluid circulation loop.
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公开(公告)号：US20190331373A1
公开(公告)日：2019-10-31
申请号：US16448577
申请日：2019-06-21
Applicant: Carrier Corporation
Inventor： Steven A. Lozyniak , Alexander Lifson , Zuojun Shi , Parmesh Verma , Kenneth E. Cresswell , J. Michael Griffin , Thomas D. Radcliff
IPC: F25B41/00
Abstract: An ejector has: a motive flow inlet; a secondary flow inlet; an outlet; a motive nozzle; a diffuser; and a control needle shiftable between a first position and a second position. The ejector comprises: an inlet body bearing the motive flow inlet and the secondary flow inlet; a diffuser body forming the diffuser and bearing the outlet; a motive nozzle insert forming the motive nozzle in a compartment in the inlet body; and a needle guide insert in the motive nozzle insert.
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公开(公告)号：US10429102B2
公开(公告)日：2019-10-01
申请号：US15399564
申请日：2017-01-05
Applicant: Carrier Corporation
Inventor： Thomas D. Radcliff , Parmesh Verma , Dong Luo , Richard G. Lord , Michel Grabon
Abstract: An HVAC&R system including a pumping device configured to circulate a first two-phase medium, a plurality of secondary HVAC&R units, wherein at least one of the plurality of secondary HVAC&R units is operably coupled to the pumping device, and a primary HVAC&R unit operably coupled to at least one of the plurality of secondary HVAC&R units, wherein the pumping device, a portion of the plurality of secondary HVAC&R units, and a portion of the primary HVAC&R unit form a primary loop.
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公开(公告)号：US10401058B2
公开(公告)日：2019-09-03
申请号：US15328604
申请日：2015-05-14
Applicant: Carrier Corporation
Inventor： Yinshan Feng , Ahmad M. Mahmoud , Parmesh Verma
Abstract: A system (20; 300; 500) comprises: a compressor (22) having a suction port (40) and a discharge port (42); an ejector (32) having a motive flow inlet (50), a suction flow inlet (52), and an outlet (54); a separator (34) having an inlet (72), a vapor outlet (74), and a liquid outlet (76); a first heat exchanger (24); at least one expansion device (28, 30; 520); a second heat exchanger (26); and a plurality of conduits and a plurality of valves (100, 120, 130, 140, 144, 148, 150; 100, 140, 144, 148, 150, 320, 340; 100, 120, 530). The conduits and valves are positioned to provide alternative operation in: a cooling mode; a first heating mode wherein the ejector has a motive flow and a suction flow and where utilizing a first expansion device (30; 520) of the at least one expansion device; and a second heating mode utilizing the first expansion device and wherein the ejector has a suction flow and essentially no motive flow.
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公开(公告)号：US10352592B2
公开(公告)日：2019-07-16
申请号：US15576474
申请日：2016-05-26
Applicant: Carrier Corporation
Inventor： Alexander Lifson , Zuojun Shi , Hans-Joachim Huff , Parmesh Verma , Thomas D. Radcliff , Frederick J. Cogswell , Jinliang Wang , Hongsheng Liu
Abstract: A vapor compression system (200; 300; 400) has: a compressor (22); a first heat exchanger (30); a second heat exchanger (64); an ejector (38); separator (48); and an expansion device (70). A plurality of conduits are positioned to define a first flowpath sequentially through: the compressor; the first heat exchanger; the ejector from a motive flow inlet through (40) an outlet (44); and the separator, and then branching into: a first branch returning to the compressor; and a second branch passing through the expansion device and second heat exchanger to a secondary flow inlet (42). The plurality of conduits are positioned to define a bypass flowpath (202; 302; 402) bypassing the motive flow inlet and rejoining the first flowpath at essentially separator pressure but away from the separator.
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Patent Agency Ranking
公开(公告)号：US10267542B2
公开(公告)日：2019-04-23
申请号：US15086500
申请日：2016-03-31
Applicant: Carrier Corporation
Inventor： Ahmad M. Mahmoud , Parmesh Verma , Thomas D. Radcliff , Richard G. Lord , Jeffrey J. Nieter
Abstract: A heat pump system includes a refrigerant circuit, at least one variable speed compressor operating with a maximum pressure ratio of at least 5.0 and a variable speed range of at least three times (3×), a heat absorption heat exchanger, a heat rejection heat exchanger, an ejector disposed on the refrigerant circuit upstream of the compressor to extend a pressure ratio range and a volumetric flow range of the compressor in the cold climates, a separator disposed downstream of the ejector and upstream of the heat absorption heat exchanger, and at least one variable speed fan configured to move air through the heat rejection heat exchanger to provide a predefined an air discharge temperature greater than 90° F. A two-phase refrigerant is provided to an inlet of the heat absorption heat exchanger with a quality of less than or equal to 0.05.
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公开(公告)号：US10174975B2
公开(公告)日：2019-01-08
申请号：US15029743
申请日：2014-08-14
Applicant: Carrier Corporation
Inventor： Yinshan Feng , Jinliang Wang , Futao Zhao , Thomas D. Radcliff , Parmesh Verma
Abstract: A heat transfer system includes a first two-phase heat transfer fluid vapor/compression circulation loop including a compressor, a heat exchanger condenser, an expansion device, and a heat absorption side of a heat exchanger evaporator/condenser. A first conduit in a closed fluid circulation loop circulates a first heat transfer fluid therethrough. A second two-phase heat transfer fluid circulation loop transfers heat to the first heat transfer fluid circulation loop through the heat exchanger evaporator/condenser, including a heat rejection side of the heat exchanger evaporator/condenser, a liquid pump, a liquid refrigerant reservoir located upstream of the liquid pump and downstream of the heat exchanger evaporator/condenser, and a heat exchanger evaporator. A second conduit in a closed fluid circulation loop circulates a second heat transfer fluid therethrough having an ASHRAE Class A toxicity and a Class 1 or 2L flammability rating.
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公开(公告)号：US20180328643A1
公开(公告)日：2018-11-15
申请号：US15774740
申请日：2016-11-09
Applicant: Carrier Corporation
Inventor： Renee A. Eddy , Jeffrey J. Burchill , Giorgio Rusignuolo , Robert A. Chopko , Larry D. Burns , Ivan Rydkin , Ciara N. Poolman , Paul Papas , Parmesh Verma
Abstract: A refrigerated transport system (20) comprises a body (22) enclosing a refrigerated compartment (69). A refrigeration system (30) comprises: a vapor compression loop (31) having a first heat exchanger (38) positioned to reject heat to an external environment in a cooling mode. A heat transfer loop (32) has a second heat exchanger (58) positioned to absorb heat from the refrigerated compartment in the cooling mode. An inter-loop heat exchanger (44) has a first leg (42) along the vapor compression loop and a second leg (43) along the heat transfer loop in heat exchange relation with the first leg.
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公开(公告)号：US20170248350A1
公开(公告)日：2017-08-31
申请号：US15592768
申请日：2017-05-11
Applicant: Carrier Corporation
Inventor： Hongsheng Liu , Parmesh Verma , Thomas D. Radcliff
CPC classification number: F25B13/00 , F04F5/46 , F25B9/002 , F25B9/08 , F25B41/00 , F25B41/04 , F25B2341/0012 , F25B2341/0015 , F25B2400/0407 , F25B2400/23
Abstract: A vapor compression system (200; 400; 600; 700; 800; 900; 1000) comprises a plurality of valves (260, 262, 264; 260) controllable to define a first mode flowpath and a second mode flowpath. The first mode flowpath is sequentially through: a compressor (22); a first heat exchanger (30); a first nozzle (228; 624); and a separator (48), and then branching into: a first branch returning to the compressor; and a second branch passing through an expansion device (70) and a second heat exchanger (64) to the rejoin the flowpath between the first heat exchanger and the separator. The second mode flowpath is sequentially through: the compressor; the second heat exchanger; a second nozzle (248; 625); and the separator, and then branching into: a first branch returning to the compressor; and a second branch passing through the expansion device and first heat exchanger to the rejoin the flowpath between the first heat exchanger and the separator.
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公开(公告)号：US20170191711A1
公开(公告)日：2017-07-06
申请号：US15399564
申请日：2017-01-05
Applicant: Carrier Corporation
Inventor： Thomas D. Radcliff , Parmesh Verma , Dong Luo , Richard G. Lord , Michel Grabon
CPC classification number: F25B9/008 , F25B25/005 , F25B40/02 , F25B43/006 , F25B49/00 , F25B2400/06 , F25B2600/13
Abstract: An HVAC&R system including a pumping device configured to circulate a first two-phase medium, a plurality of secondary HVAC&R units, wherein at least one of the plurality of secondary HVAC&R units is operably coupled to the pumping device, and a primary HVAC&R unit operably coupled to at least one of the plurality of secondary HVAC&R units, wherein the pumping device, a portion of the plurality of secondary HVAC&R units, and a portion of the primary HVAC&R unit form a primary loop.
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