EP4720577A2 - Systeme und verfahren für passive und aktive hybride abtausteuerung für pool-/spa-wärmepumpen - Google Patents

Systeme und verfahren für passive und aktive hybride abtausteuerung für pool-/spa-wärmepumpen

Info

Publication number
EP4720577A2
EP4720577A2 EP24811698.0A EP24811698A EP4720577A2 EP 4720577 A2 EP4720577 A2 EP 4720577A2 EP 24811698 A EP24811698 A EP 24811698A EP 4720577 A2 EP4720577 A2 EP 4720577A2
Authority
EP
European Patent Office
Prior art keywords
heat pump
passive
defrost
active
defrost mode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP24811698.0A
Other languages
English (en)
French (fr)
Inventor
Norman Gregory Beaty
Chris JETT
Kevin Mueller
William Julian ROY
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hayward Industries Inc
Original Assignee
Hayward Industries Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hayward Industries Inc filed Critical Hayward Industries Inc
Publication of EP4720577A2 publication Critical patent/EP4720577A2/de
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/12—Devices or arrangements for circulating water, i.e. devices for removal of polluted water, cleaning baths or for water treatment
    • E04H4/129—Systems for heating the water content of swimming pools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02—Defrosting cycles
    • F25B47/022—Defrosting cycles hot gas defrosting
    • F25B47/025—Defrosting cycles hot gas defrosting by reversing the cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/025—Compressor control by controlling speed
    • F25B2600/0251—Compressor control by controlling speed with on-off operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/11—Fan speed control
    • F25B2600/112—Fan speed control of evaporator fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/11—Sensor to detect if defrost is necessary
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2117—Temperatures of an evaporator

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Sustainable Development (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Defrosting Systems (AREA)
  • Air Conditioning Control Device (AREA)
EP24811698.0A 2023-05-25 2024-05-17 Systeme und verfahren für passive und aktive hybride abtausteuerung für pool-/spa-wärmepumpen Pending EP4720577A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363468927P 2023-05-25 2023-05-25
PCT/US2024/030062 WO2024243077A2 (en) 2023-05-25 2024-05-17 Systems and methods for passive and active hybrid defrost control for pool/spa heat pumps

Publications (1)

Publication Number Publication Date
EP4720577A2 true EP4720577A2 (de) 2026-04-08

Family

ID=93565347

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24811698.0A Pending EP4720577A2 (de) 2023-05-25 2024-05-17 Systeme und verfahren für passive und aktive hybride abtausteuerung für pool-/spa-wärmepumpen

Country Status (5)

Country Link
US (1) US20240392595A1 (de)
EP (1) EP4720577A2 (de)
CN (1) CN121195137A (de)
AU (1) AU2024276002A1 (de)
WO (1) WO2024243077A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4602446A1 (de) * 2022-10-14 2025-08-20 Sundance Spas, Inc. Automatisiertes temperatursteuerungssystem für spas

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6629422B2 (en) * 2001-06-07 2003-10-07 Keith E. Wellman Sequential defrosting of refrigerated display cases
WO2007013382A1 (ja) * 2005-07-26 2007-02-01 Mitsubishi Electric Corporation 冷凍空調装置
US10041721B2 (en) * 2012-11-30 2018-08-07 Lennox Industries Inc. Heat pump comprising primary defrost operation and secondary defrost operation and method of operating heat pump
EP3224554B1 (de) * 2014-11-24 2018-10-03 Carrier Corporation Systeme und verfahren für freies und positives abtauen
US11371762B2 (en) * 2020-05-22 2022-06-28 Lennox Industries Inc. Demand defrost with frost accumulation failsafe
US11835277B2 (en) * 2021-03-31 2023-12-05 Rheem Manufacturing Company Defrost systems and methods for heat pump water heaters

Also Published As

Publication number Publication date
AU2024276002A1 (en) 2025-12-04
WO2024243077A2 (en) 2024-11-28
WO2024243077A3 (en) 2025-03-27
CN121195137A (zh) 2025-12-23
US20240392595A1 (en) 2024-11-28

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