US3921413A - Air conditioning unit with reheat - Google Patents
Air conditioning unit with reheat Download PDFInfo
- Publication number
- US3921413A US3921413A US523478A US52347874A US3921413A US 3921413 A US3921413 A US 3921413A US 523478 A US523478 A US 523478A US 52347874 A US52347874 A US 52347874A US 3921413 A US3921413 A US 3921413A
- Authority
- US
- United States
- Prior art keywords
- air
- served
- zone
- served zone
- deck portion
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/153—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification with subsequent heating, i.e. with the air, given the required humidity in the central station, passing a heating element to achieve the required temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/81—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the air supply to heat-exchangers or bypass channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/044—Systems in which all treatment is given in the central station, i.e. all-air systems
- F24F3/048—Systems in which all treatment is given in the central station, i.e. all-air systems with temperature control at constant rate of air-flow
- F24F3/052—Multiple duct systems, e.g. systems in which hot and cold air are supplied by separate circuits from the central station to mixing chambers in the spaces to be conditioned
- F24F3/0525—Multiple duct systems, e.g. systems in which hot and cold air are supplied by separate circuits from the central station to mixing chambers in the spaces to be conditioned in which the air treated in the central station is reheated
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Description
Claims (7)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US523478A US3921413A (en) | 1974-11-13 | 1974-11-13 | Air conditioning unit with reheat |
CA231,422A CA1016748A (en) | 1974-11-13 | 1975-07-11 | Air conditioning unit with reheat |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US523478A US3921413A (en) | 1974-11-13 | 1974-11-13 | Air conditioning unit with reheat |
Publications (1)
Publication Number | Publication Date |
---|---|
US3921413A true US3921413A (en) | 1975-11-25 |
Family
ID=24085195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US523478A Expired - Lifetime US3921413A (en) | 1974-11-13 | 1974-11-13 | Air conditioning unit with reheat |
Country Status (2)
Country | Link |
---|---|
US (1) | US3921413A (en) |
CA (1) | CA1016748A (en) |
Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4060913A (en) * | 1976-08-02 | 1977-12-06 | Takasago Thermal Engineering Co., Ltd | Assembly for dehydrating air to be supplied to blast furnace |
US4176525A (en) * | 1977-12-21 | 1979-12-04 | Wylain, Inc. | Combined environmental and refrigeration system |
US5108475A (en) * | 1991-01-28 | 1992-04-28 | Venturedyne, Ltd. | Solvent recovery system with means for reducing input energy |
US5329782A (en) * | 1991-03-08 | 1994-07-19 | Hyde Robert E | Process for dehumidifying air in an air-conditioned environment |
US5509272A (en) * | 1991-03-08 | 1996-04-23 | Hyde; Robert E. | Apparatus for dehumidifying air in an air-conditioned environment with climate control system |
US5689962A (en) * | 1996-05-24 | 1997-11-25 | Store Heat And Produce Energy, Inc. | Heat pump systems and methods incorporating subcoolers for conditioning air |
US6185958B1 (en) | 1999-11-02 | 2001-02-13 | Xdx, Llc | Vapor compression system and method |
US6314747B1 (en) | 1999-01-12 | 2001-11-13 | Xdx, Llc | Vapor compression system and method |
US6393851B1 (en) | 2000-09-14 | 2002-05-28 | Xdx, Llc | Vapor compression system |
US6401471B1 (en) | 2000-09-14 | 2002-06-11 | Xdx, Llc | Expansion device for vapor compression system |
US6581398B2 (en) | 1999-01-12 | 2003-06-24 | Xdx Inc. | Vapor compression system and method |
US6751970B2 (en) | 1999-01-12 | 2004-06-22 | Xdx, Inc. | Vapor compression system and method |
US6857281B2 (en) | 2000-09-14 | 2005-02-22 | Xdx, Llc | Expansion device for vapor compression system |
US6915648B2 (en) | 2000-09-14 | 2005-07-12 | Xdx Inc. | Vapor compression systems, expansion devices, flow-regulating members, and vehicles, and methods for using vapor compression systems |
US20060048529A1 (en) * | 2003-12-22 | 2006-03-09 | Shin Jong M | Refrigerating system for refrigerator |
US7168258B2 (en) * | 2004-01-08 | 2007-01-30 | Al-Khateeb Osama Othman Mostae | Real temperature output air conditioner |
US7225627B2 (en) | 1999-11-02 | 2007-06-05 | Xdx Technology, Llc | Vapor compression system and method for controlling conditions in ambient surroundings |
US7559207B2 (en) | 2005-06-23 | 2009-07-14 | York International Corporation | Method for refrigerant pressure control in refrigeration systems |
US20100229579A1 (en) * | 2004-12-29 | 2010-09-16 | John Terry Knight | Method and apparatus for dehumidification |
US20110126560A1 (en) * | 2008-05-15 | 2011-06-02 | Xdx Innovative Refrigeration, Llc | Surged Vapor Compression Heat Transfer Systems with Reduced Defrost Requirements |
US20110167846A1 (en) * | 2005-06-23 | 2011-07-14 | York International Corporation | Method and system for dehumidification and refrigerant pressure control |
US20110259041A1 (en) * | 2010-04-21 | 2011-10-27 | Whirlpool Corporation | High efficiency condenser |
US10088241B1 (en) * | 2012-05-16 | 2018-10-02 | Engendren Corporation | Multi-mode heat exchange system for sensible and/or latent thermal management |
WO2019173046A1 (en) * | 2018-03-09 | 2019-09-12 | Duncan Scot Matthew | High efficiency dehumidification system (heds) |
FR3082288A1 (en) * | 2018-06-11 | 2019-12-13 | Ventilairsec | VENTILATION DEVICE FOR VENTILATION AND HEATING OR AIR CONDITIONING OF THE INTERIOR SPACE OF A CONSTRUCTION |
EP3581856A1 (en) * | 2018-06-11 | 2019-12-18 | Ventilairsec | Ventilation device for ventilation and heating or air conditioning of the inside space of a building |
US11313600B2 (en) * | 2019-10-07 | 2022-04-26 | Johnson Controls Tyco IP Holdings LLP | Modulating reheat operation of HVAC system with multiple condenser coils |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2266029A (en) * | 1935-11-11 | 1941-12-16 | Honeywell Regulator Co | Zone air conditioning system |
US2702456A (en) * | 1953-08-31 | 1955-02-22 | Trane Co | Air conditioning system |
US2932178A (en) * | 1958-11-25 | 1960-04-12 | Westinghouse Electric Corp | Air conditioning apparatus |
US3460353A (en) * | 1967-11-07 | 1969-08-12 | Hitachi Ltd | Air conditioner |
US3540526A (en) * | 1968-08-02 | 1970-11-17 | Itt | Rooftop multizone air conditioning units |
US3631686A (en) * | 1970-07-23 | 1972-01-04 | Itt | Multizone air-conditioning system with reheat |
-
1974
- 1974-11-13 US US523478A patent/US3921413A/en not_active Expired - Lifetime
-
1975
- 1975-07-11 CA CA231,422A patent/CA1016748A/en not_active Expired
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2266029A (en) * | 1935-11-11 | 1941-12-16 | Honeywell Regulator Co | Zone air conditioning system |
US2702456A (en) * | 1953-08-31 | 1955-02-22 | Trane Co | Air conditioning system |
US2932178A (en) * | 1958-11-25 | 1960-04-12 | Westinghouse Electric Corp | Air conditioning apparatus |
US3460353A (en) * | 1967-11-07 | 1969-08-12 | Hitachi Ltd | Air conditioner |
US3540526A (en) * | 1968-08-02 | 1970-11-17 | Itt | Rooftop multizone air conditioning units |
US3631686A (en) * | 1970-07-23 | 1972-01-04 | Itt | Multizone air-conditioning system with reheat |
Cited By (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4060913A (en) * | 1976-08-02 | 1977-12-06 | Takasago Thermal Engineering Co., Ltd | Assembly for dehydrating air to be supplied to blast furnace |
US4176525A (en) * | 1977-12-21 | 1979-12-04 | Wylain, Inc. | Combined environmental and refrigeration system |
US5108475A (en) * | 1991-01-28 | 1992-04-28 | Venturedyne, Ltd. | Solvent recovery system with means for reducing input energy |
US5329782A (en) * | 1991-03-08 | 1994-07-19 | Hyde Robert E | Process for dehumidifying air in an air-conditioned environment |
US5509272A (en) * | 1991-03-08 | 1996-04-23 | Hyde; Robert E. | Apparatus for dehumidifying air in an air-conditioned environment with climate control system |
US5664425A (en) * | 1991-03-08 | 1997-09-09 | Hyde; Robert E. | Process for dehumidifying air in an air-conditioned environment with climate control system |
US5689962A (en) * | 1996-05-24 | 1997-11-25 | Store Heat And Produce Energy, Inc. | Heat pump systems and methods incorporating subcoolers for conditioning air |
WO1997044625A1 (en) * | 1996-05-24 | 1997-11-27 | Store Heat And Produce Energy, Inc. | Heat pump systems and methods incorporating subcoolers for conditioning air |
US6581398B2 (en) | 1999-01-12 | 2003-06-24 | Xdx Inc. | Vapor compression system and method |
US6314747B1 (en) | 1999-01-12 | 2001-11-13 | Xdx, Llc | Vapor compression system and method |
US6951117B1 (en) | 1999-01-12 | 2005-10-04 | Xdx, Inc. | Vapor compression system and method for controlling conditions in ambient surroundings |
US6397629B2 (en) | 1999-01-12 | 2002-06-04 | Xdx, Llc | Vapor compression system and method |
US6751970B2 (en) | 1999-01-12 | 2004-06-22 | Xdx, Inc. | Vapor compression system and method |
US6644052B1 (en) | 1999-01-12 | 2003-11-11 | Xdx, Llc | Vapor compression system and method |
US7225627B2 (en) | 1999-11-02 | 2007-06-05 | Xdx Technology, Llc | Vapor compression system and method for controlling conditions in ambient surroundings |
US6185958B1 (en) | 1999-11-02 | 2001-02-13 | Xdx, Llc | Vapor compression system and method |
US6401471B1 (en) | 2000-09-14 | 2002-06-11 | Xdx, Llc | Expansion device for vapor compression system |
US6857281B2 (en) | 2000-09-14 | 2005-02-22 | Xdx, Llc | Expansion device for vapor compression system |
US6915648B2 (en) | 2000-09-14 | 2005-07-12 | Xdx Inc. | Vapor compression systems, expansion devices, flow-regulating members, and vehicles, and methods for using vapor compression systems |
US6393851B1 (en) | 2000-09-14 | 2002-05-28 | Xdx, Llc | Vapor compression system |
US6401470B1 (en) | 2000-09-14 | 2002-06-11 | Xdx, Llc | Expansion device for vapor compression system |
US7263849B2 (en) * | 2003-12-22 | 2007-09-04 | Lg Electronics Inc. | Refrigerating system for refrigerator |
US20060048529A1 (en) * | 2003-12-22 | 2006-03-09 | Shin Jong M | Refrigerating system for refrigerator |
US7168258B2 (en) * | 2004-01-08 | 2007-01-30 | Al-Khateeb Osama Othman Mostae | Real temperature output air conditioner |
US20100229579A1 (en) * | 2004-12-29 | 2010-09-16 | John Terry Knight | Method and apparatus for dehumidification |
US7845185B2 (en) | 2004-12-29 | 2010-12-07 | York International Corporation | Method and apparatus for dehumidification |
US7559207B2 (en) | 2005-06-23 | 2009-07-14 | York International Corporation | Method for refrigerant pressure control in refrigeration systems |
US20110167846A1 (en) * | 2005-06-23 | 2011-07-14 | York International Corporation | Method and system for dehumidification and refrigerant pressure control |
US10288334B2 (en) | 2008-05-15 | 2019-05-14 | XDX Global, LLC | Surged vapor compression heat transfer systems with reduced defrost phase separator |
US20110126560A1 (en) * | 2008-05-15 | 2011-06-02 | Xdx Innovative Refrigeration, Llc | Surged Vapor Compression Heat Transfer Systems with Reduced Defrost Requirements |
US9127870B2 (en) | 2008-05-15 | 2015-09-08 | XDX Global, LLC | Surged vapor compression heat transfer systems with reduced defrost requirements |
US20110259041A1 (en) * | 2010-04-21 | 2011-10-27 | Whirlpool Corporation | High efficiency condenser |
US10088241B1 (en) * | 2012-05-16 | 2018-10-02 | Engendren Corporation | Multi-mode heat exchange system for sensible and/or latent thermal management |
US11073296B2 (en) * | 2018-03-09 | 2021-07-27 | Scot Matthew Duncan | High efficiency dehumidification system (HEDS) |
US20190277516A1 (en) * | 2018-03-09 | 2019-09-12 | Scot Matthew Duncan | High Efficiency Dehumidification System (HEDS) |
WO2019173047A1 (en) * | 2018-03-09 | 2019-09-12 | Duncan Scot Matthew | Energy recovery high efficiency dehumidification system |
WO2019173046A1 (en) * | 2018-03-09 | 2019-09-12 | Duncan Scot Matthew | High efficiency dehumidification system (heds) |
US20210285666A1 (en) * | 2018-03-09 | 2021-09-16 | Scot Matthew Duncan | High Efficiency Dehumidification System (HEDS) |
US11333372B2 (en) * | 2018-03-09 | 2022-05-17 | Scot Matthew Duncan | Energy recovery high efficiency dehumidification system |
US20220186946A1 (en) * | 2018-03-09 | 2022-06-16 | Scot Matthew Duncan | Advanced Energy Recovery High Efficiency Dehumidification Systems |
US11644201B2 (en) * | 2018-03-09 | 2023-05-09 | Scot Matthew Duncan | Systems and methods for providing high efficiency dehumidification |
US20230228429A1 (en) * | 2018-03-09 | 2023-07-20 | Scot Matthew Duncan | Beyond High Efficiency Dehumidification |
US11841164B2 (en) * | 2018-03-09 | 2023-12-12 | Scot Matthew Duncan | Advanced energy recovery high efficiency dehumidification systems |
FR3082288A1 (en) * | 2018-06-11 | 2019-12-13 | Ventilairsec | VENTILATION DEVICE FOR VENTILATION AND HEATING OR AIR CONDITIONING OF THE INTERIOR SPACE OF A CONSTRUCTION |
EP3581856A1 (en) * | 2018-06-11 | 2019-12-18 | Ventilairsec | Ventilation device for ventilation and heating or air conditioning of the inside space of a building |
US11313600B2 (en) * | 2019-10-07 | 2022-04-26 | Johnson Controls Tyco IP Holdings LLP | Modulating reheat operation of HVAC system with multiple condenser coils |
Also Published As
Publication number | Publication date |
---|---|
CA1016748A (en) | 1977-09-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: CONNECTICUT NATIONAL BANK THE, A NATIONAL BANKING Free format text: SECURITY INTEREST;ASSIGNOR:ALLIS-CHALMERS CORPORATION A DE CORP.;REEL/FRAME:004149/0001 Effective date: 19830329 Owner name: WOODS KATHLEEN D., AS TRUSTEE Free format text: SECURITY INTEREST;ASSIGNOR:ALLIS-CHALMERS CORPORATION A DE CORP.;REEL/FRAME:004149/0001 Effective date: 19830329 |
|
AS | Assignment |
Owner name: CITICORP NORTH AMERICA, INC., NEW YORK Free format text: SECURITY INTEREST;ASSIGNOR:SNYDERGENERAL CORPORATION, A MN CORP.;REEL/FRAME:005013/0592 Effective date: 19881117 |
|
AS | Assignment |
Owner name: SNYDERGENERAL CORPORATION, TEXAS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ALLIS-CHALMERS CORPORATION;REEL/FRAME:005091/0514 Effective date: 19881117 Owner name: ALLIS-CHALMERS CORPORATION, 1126 S. 70TH STR., W. Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:AMERICAN AIR FILTER COMPANY, INC.;REEL/FRAME:005063/0240 Effective date: 19881117 |
|
AS | Assignment |
Owner name: CITICORP NORTH AMERICA, INC. Free format text: SECURITY INTEREST;ASSIGNOR:SNYDERGENERAL CORPORATION;REEL/FRAME:006072/0247 Effective date: 19920326 |
|
AS | Assignment |
Owner name: SNYDERGENERAL CORPORATION A CORP. OF DELAWARE Free format text: RELEASE BY SECOND PARTY OF A SECURITY AGREEMENT RECORDED AT REEL 5013 FRAME 592.;ASSIGNOR:CITICORP NORTH AMERICA, INC. A CORP. OF DELAWARE;REEL/FRAME:006104/0270 Effective date: 19920326 |