NZ303638A - Gas fired heating unit with heat recovery - Google Patents

Gas fired heating unit with heat recovery

Info

Publication number
NZ303638A
NZ303638A NZ303638A NZ30363896A NZ303638A NZ 303638 A NZ303638 A NZ 303638A NZ 303638 A NZ303638 A NZ 303638A NZ 30363896 A NZ30363896 A NZ 30363896A NZ 303638 A NZ303638 A NZ 303638A
Authority
NZ
New Zealand
Prior art keywords
enclosure
rate
air
flow
casing
Prior art date
Application number
NZ303638A
Inventor
John Francis Urch
Original Assignee
Eco Air Ltd
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
Priority claimed from AUPN2370A external-priority patent/AUPN237095A0/en
Priority claimed from AUPN2640A external-priority patent/AUPN264095A0/en
Application filed by Eco Air Ltd filed Critical Eco Air Ltd
Publication of NZ303638A publication Critical patent/NZ303638A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
    • F28C3/00—Other direct-contact heat-exchange apparatus
    • F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
    • F28C3/08—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour with change of state, e.g. absorption, evaporation, condensation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Supply (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)

Abstract

A fresh air heating unit has a casing (2) containing a stale air flow path (25) and a fresh air flow path (14). Combusted gas products from a gas burner (29) are mixed with the fresh air to heat it to a desired temperature before it is discharged into an enclosure. The two paths extend through a heat exchanger (15) and the rate of flow of stale air driven by a fan (26) through the casing is substantially equal to the rate of flow of fresh air driven through the casing by a second fan (21). As the rate of flow of fresh air from the casing into an enclosure is substantially matched by the rate of flow of stale air from the enclosure, and heat is transferred between the two air flows by the heat exchanger (15), a total replacement of air in the enclosure at a relatively high rate can be sustained in an economically viable manner. The level of noxious combustion products in the enclosure and produced by the gas burner (29) can thus be kept beneath that regarded as harmful by health authorities.
NZ303638A 1995-04-12 1996-03-28 Gas fired heating unit with heat recovery NZ303638A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPN2370A AUPN237095A0 (en) 1995-04-12 1995-04-12 Heating unit
AUPN2640A AUPN264095A0 (en) 1995-04-28 1995-04-28 Air heating unit with heat exchange means
PCT/AU1996/000176 WO1996032611A1 (en) 1995-04-12 1996-03-28 Heating unit

Publications (1)

Publication Number Publication Date
NZ303638A true NZ303638A (en) 2000-03-27

Family

ID=25644933

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ303638A NZ303638A (en) 1995-04-12 1996-03-28 Gas fired heating unit with heat recovery

Country Status (5)

Country Link
EP (1) EP0817944A4 (en)
CN (1) CN1155778C (en)
CA (1) CA2217971C (en)
NZ (1) NZ303638A (en)
WO (1) WO1996032611A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6434963B1 (en) 1999-10-26 2002-08-20 John Francis Urch Air cooling/heating apparatus

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1433323A (en) * 1972-01-13 1976-04-28 Nicholson Ltd John Mark Drummo Space heaters
SE408469B (en) * 1975-01-02 1979-06-11 Brown Rex Merrill OPEN HEATING DEVICE
GB2021249B (en) * 1978-05-22 1982-10-06 Orion Machinery Co Ltd Heating apparatus
GB2109104B (en) * 1981-11-05 1984-12-05 Radiant Tube Syst Space heating system
AU2425484A (en) * 1983-02-07 1984-08-16 Vulcan Australia Ltd. Gas heaters
AU3737885A (en) * 1984-01-06 1985-07-18 Braemar Appliances Pty. Ltd. Space heater
AU637090B2 (en) 1989-04-19 1993-05-20 Mallory Technologies Pty Limited Heat exchanger
AU660781B2 (en) 1992-03-12 1995-07-06 Mallory Technologies Pty Limited Moulded baffle heat exchanger
US5477913A (en) * 1993-04-22 1995-12-26 Homer, Inc. System for controlling a heating/air conditioning unit
WO1995033960A1 (en) 1994-06-03 1995-12-14 John Francis Urch Air cooling apparatus

Also Published As

Publication number Publication date
CA2217971A1 (en) 1996-10-17
CA2217971C (en) 2001-07-31
WO1996032611A1 (en) 1996-10-17
CN1181802A (en) 1998-05-13
CN1155778C (en) 2004-06-30
EP0817944A4 (en) 2000-05-03
EP0817944A1 (en) 1998-01-14

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Legal Events

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