公开(公告)号：US10982870B2

公开(公告)日：2021-04-20

申请号：US16137257

申请日：2018-09-20

Applicant: Johnson Controls Technology Company

Inventor： Ryan L. Snider ,  Nicholas P. Mislak ,  Douglas A. Kester

IPC: F16K31/04 ,  F24F11/30 ,  F25B39/02 ,  F25B49/02 ,  F16K7/04 ,  F24F11/84 ,  F24F110/10 ,  F24F140/20

Abstract: A working fluid distribution system for a heating, ventilation, and/or air conditioning (HVAC) system includes a distributor tube composed of a flexible material and configured to supply a working fluid to a component of an HVAC circuit of the HVAC system. The fluid distribution system includes an actuator coupled to the distributor tube and configured to be actuated to adjust a geometry of the distributor tube. Additionally, the fluid distribution system includes a controller configured to instruct the actuator to adjust the geometry of the distributor tube based on an operating condition.

公开(公告)号：US10738517B2

公开(公告)日：2020-08-11

申请号：US15608742

申请日：2017-05-30

Applicant: Johnson Controls Technology Company

Inventor： Nicholas P. Mislak

IPC: E05C19/16 ,  E05B65/00 ,  F24F11/30

Abstract: A heating, ventilating, and air conditioning (HVAC) system includes an HVAC unit. The HVAC unit includes an enclosure having a panel disposed in a corresponding opening of the enclosure. The HVAC unit also includes a heat exchanger disposed within an interior of enclosure. Moreover, the HVAC unit includes an electromagnetic lock fixed to a surface of the interior of the enclosure. The electromagnetic lock is configured to retain the panel in a closed position relative to the enclosure.

公开(公告)号：US20190331356A1

公开(公告)日：2019-10-31

申请号：US16022287

申请日：2018-06-28

Applicant: Johnson Controls Technology Company

Inventor： Aron M. Seiler ,  Nicholas P. Mislak ,  Chandra S. Yelamanchili ,  Rajiv K. Karkhanis ,  Nathan T. Ostrye

IPC: F24F11/38 ,  F24F11/56 ,  F24F11/61 ,  F24F11/64 ,  F24F11/65 ,  G05B19/042

Abstract: A heating, ventilation, and air conditioning (HVAC) system includes a compressor having a discharge port and a suction port, a first sensor configured to provide feedback corresponding to a first temperature of the working fluid exiting the compressor proximate the discharge port, a second sensor configured to provide feedback corresponding to a second temperature of the working fluid entering the compressor proximate the suction port, and an automation controller storing data indicative of an operational envelope. The operational envelope defines compressor operation coordinates corresponding to a range of suction temperatures and a range of discharge temperatures inside and outside of a target region of the operational envelope, and the automation controller is configured to control a target range of compressor speeds based on a comparison of the target region to an operation coordinate defined by the feedback from the first sensor and the feedback from the second sensor.

公开(公告)号：US10415848B2

公开(公告)日：2019-09-17

申请号：US15711911

申请日：2017-09-21

Applicant: Johnson Controls Technology Company

Inventor： Ryan L. Snider ,  Nicholas P. Mislak ,  Kevin R. Stockton ,  Kristen Velez-Diaz ,  Douglas A. Kester ,  Stacy S. Lemkelde

IPC: F24F13/30 ,  F24F11/00 ,  F24F13/10 ,  F24F11/72 ,  F24F13/28 ,  F24F3/14 ,  F24F110/10 ,  F24F110/20 ,  F24F110/30 ,  F24F110/40

Abstract: A heating, ventilation, and air conditioning (HVAC) system includes an enclosure and an evaporator coil disposed within the enclosure. The HVAC system also includes a pivot member coupled between an edge portion of the evaporator coil and the enclosure. The pivot member is configured to enable the evaporator coil to pivot relative to the enclosure to adjust an operating angle of the evaporator coil during operation of the HVAC system. Additionally, the HVAC system includes an actuator configured to enable pivoting of the evaporator coil to a target operating angle based on an operating parameter input.

公开(公告)号：US20180094842A1

公开(公告)日：2018-04-05

申请号：US15655584

申请日：2017-07-20

Applicant: Johnson Controls Technology Company

Inventor： Nicholas P. Mislak ,  Douglas A. Kester

IPC: F25B43/00 ,  F25B41/00

CPC classification number: F25B43/006 ,  F25B1/053 ,  F25B39/02 ,  F25B41/00 ,  F25B2600/0253 ,  F25B2600/112 ,  Y02B30/741 ,  Y02B30/743

Abstract: A combined suction header and accumulator for a refrigeration system is described that may protect a compressor from refrigerant liquid entering the compressor while reducing superheat used to evaporate the refrigerant. The combined suction header and accumulator unit for a refrigeration system includes a suction header coupled to an exit side of an evaporator. The suction header includes a main body and receives a flow of refrigerant from the evaporator. The flow of refrigerant includes a liquid portion and a vapor portion. The combined suction header and accumulator unit includes a liquid accumulator disposed within the main body of the suction header. The liquid accumulator blocks the liquid portion of the flow of refrigerant from exiting the main body.

公开(公告)号：US20180094840A1

公开(公告)日：2018-04-05

申请号：US15718291

申请日：2017-09-28

Applicant: Johnson Controls Technology Company

Inventor： Douglas A. Kester ,  Curtis W. Caskey ,  James K. Spitzer ,  Chandra Yelamanchili ,  Nicholas P. Mislak ,  Rajiv K. Karkhanis

IPC: F25B40/02 ,  F25B41/06 ,  F25B39/00

CPC classification number: F25B41/062 ,  F25B39/00 ,  F25B39/028 ,  F25B40/02 ,  F25B41/067 ,  F25B43/006 ,  F25B49/02 ,  F25B49/022 ,  F25B2341/062 ,  F25B2341/0662 ,  F25B2341/0683 ,  F25B2400/13 ,  F25B2500/19 ,  F25B2600/0253 ,  F25B2600/2513 ,  F25B2700/13 ,  F25B2700/1931 ,  F25B2700/195 ,  F25B2700/197 ,  F25B2700/2115 ,  F25B2700/21163 ,  F25B2700/21175

Abstract: A cooling system includes a subcooling heat exchange assembly, which controls magnitude of subcooling of refrigerant circulated through the cooling system. The subcooling heat exchange assembly includes a first fluid line fluidly coupled to an output of a condenser to enable a first portion of the refrigerant output from the condenser to flow through the first fluid line; a second fluid line fluidly coupled to the output of the condenser to enable a second portion of the refrigerant output from the condenser to flow through the second fluid line; and an expansion valve disposed along the second fluid line, in which the expansion valve exerts a first pressure drop on the second portion of the refrigerant that facilitates extracting heat from the first portion of the refrigerant flowing through the first fluid line using the second portion of the refrigerant flowing through the second fluid line when valve position of the expansion valve is greater than a threshold position. Additionally the cooling system includes a plurality of capillary expansion tubes fluidly coupled in parallel to an output of the first fluid line and that to exert a second pressure drop on the refrigerant circulated through the cooling system.

公开(公告)号：US11754304B2

公开(公告)日：2023-09-12

申请号：US17328868

申请日：2021-05-24

Applicant: Johnson Controls Technology Company

Inventor： Aron M. Seiler ,  Nicholas P. Mislak ,  Chandra S. Yelamanchili ,  Rajiv K. Karkhanis ,  Nathan T. Ostrye

IPC: F24F11/64 ,  F24F11/38 ,  F24F11/56 ,  F24F11/61 ,  F24F11/65 ,  G05B19/042 ,  F24F140/20

CPC classification number: F24F11/38 ,  F24F11/56 ,  F24F11/61 ,  F24F11/64 ,  F24F11/65 ,  G05B19/042 ,  F24F2140/20 ,  G05B2219/2614

Abstract: A heating, ventilation, and air conditioning (HVAC) system includes a compressor having a discharge port and a suction port, a first sensor configured to provide feedback corresponding to a first temperature of the working fluid exiting the compressor proximate the discharge port, a second sensor configured to provide feedback corresponding to a second temperature of the working fluid entering the compressor proximate the suction port, and an automation controller storing data indicative of an operational envelope. The operational envelope defines compressor operation coordinates corresponding to a range of suction temperatures and a range of discharge temperatures inside and outside of a target region of the operational envelope, and the automation controller is configured to control a target range of compressor speeds based on a comparison of the target region to an operation coordinate defined by the feedback from the first sensor and the feedback from the second sensor.

公开(公告)号：US11204192B2

公开(公告)日：2021-12-21

申请号：US16034259

申请日：2018-07-12

Applicant: Johnson Controls Technology Company

Inventor： Kevin R. Stockton ,  Nicholas P. Mislak

IPC: F25B5/02 ,  F25B49/02 ,  F25B39/02

Abstract: The present disclosure relates to an adjustable fluid flow system for a temperature control system having a heat exchanger including a plurality of channels configured to transmit working fluid and direct the working fluid through a selection of two or more channel sections. The adjustable fluid flow system includes a first chamber defining a first flow path that is aligned with a first channel section of the two or more channel sections, wherein the first chamber includes a first outlet in fluid communication with the first flow path, and a second chamber defining a second flow path that is aligned with a second channel section of the two or more channel sections, wherein the second chamber includes a second outlet in fluid communication with the second flow path. The adjustable fluid flow system further includes a damper configured to adjust a flow of air along the first flow path.

公开(公告)号：US20210164710A1

公开(公告)日：2021-06-03

申请号：US16700668

申请日：2019-12-02

Applicant: Johnson Controls Technology Company

Inventor： Rajiv K. Karkhanis ,  Nicholas P. Mislak

IPC: F25B39/04

Abstract: A heating, ventilation, and/or air conditioning (HVAC) system includes an air flow path through which an air flow is routed. The HVAC system also includes a first condenser coil positioned in the air flow path and configured to receive a first portion of a refrigerant from a refrigerant conduit. The HVAC system also includes a second condenser coil positioned in the air flow path downstream from the first condenser coil relative to the air flow, and configured to receive a second portion of the refrigerant from the refrigerant conduit in parallel with the first portion of the refrigerant received by the first condenser coil.

公开(公告)号：US11022334B2

公开(公告)日：2021-06-01

申请号：US16022287

申请日：2018-06-28

Applicant: Johnson Controls Technology Company

Inventor： Aron M. Seiler ,  Nicholas P. Mislak ,  Chandra S. Yelamanchili ,  Rajiv K. Karkhanis ,  Nathan T. Ostrye

IPC: F24F11/64 ,  F24F11/38 ,  F24F11/56 ,  F24F11/61 ,  F24F11/65 ,  G05B19/042 ,  F24F140/20

Abstract: A heating, ventilation, and air conditioning (HVAC) system includes a compressor having a discharge port and a suction port, a first sensor configured to provide feedback corresponding to a first temperature of the working fluid exiting the compressor proximate the discharge port, a second sensor configured to provide feedback corresponding to a second temperature of the working fluid entering the compressor proximate the suction port, and an automation controller storing data indicative of an operational envelope. The operational envelope defines compressor operation coordinates corresponding to a range of suction temperatures and a range of discharge temperatures inside and outside of a target region of the operational envelope, and the automation controller is configured to control a target range of compressor speeds based on a comparison of the target region to an operation coordinate defined by the feedback from the first sensor and the feedback from the second sensor.