US2488333A - Air-conditioning apparatus and system - Google Patents

Air-conditioning apparatus and system Download PDF

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Publication number
US2488333A
US2488333A US701258A US70125846A US2488333A US 2488333 A US2488333 A US 2488333A US 701258 A US701258 A US 701258A US 70125846 A US70125846 A US 70125846A US 2488333 A US2488333 A US 2488333A
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air
duct
exhaust
fresh air
conditioning apparatus
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US701258A
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Fred W Schlachter
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    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56—Heat recovery units

Definitions

  • This invention appertains to improvements in air conditioning apparatus and systems, the principal object being to provide a means and system whereby incoming air for reconditioning the atmosphere of a room or other confinement is preheated or warmed by the exhaust passage of air from said space, this being desirable and a matter of economy in low temperature weather.
  • Another important object of the invention is to provide an air conditioning system for buildings wherein the usual cold intake air is passed through a duct around which the exhaust air flows, with the result that there is a transference of heat from the exhaust air to the inliowing air, thereby warming or heating the fresh air, before it enters into the atmosphere of the building.
  • Still another object of the invention is to provide air conditioning means for buildings wherein the fresh air flows, in a duct, through the exhaust air conduit of the system and wherein deectors are provided in said exhaust conduit for deflecting the exhaust air directly against the fresh air intake duct, thus to transfer heat from the exhaust air to the fresh air, preparatory to admission of said fresh air to the atmosphere of the building.
  • the single gure is a diagrammatic View of the improved air conditioning apparatus and system.
  • numerals 5, 6, 'I and 8 represent the side walls of a room, hall or other building enclosure, representing a space to be air conditioned by the apparatus generally referred to by numeral 9.
  • This apparatus may be arranged at any convenient place, either within the wall construction or outside of the wall construction, and includes a pair of parallel inlet and outlet ducts I (l, II, preferably located in parallel relation on opposite walls, such as the walls 5, 1, these ducts having a suitable number of vents IUa, IIa, respectively.
  • One end of the duct I Il has a lateral communicating duct I3 which attaches to an elongated intake duct I4.
  • an exhaust conduit I5 which has a laterally disposed outlet pipe I extending therefrom and preferably in parallel relation to the lateral duct I3 and in an opposite direction from a lateral extension I'I of the intake duct I4.
  • a coupling and encasement of insulating material denoted by numeral I8 receives the end of the lateral extension Il of the duct I4 and also the inner end of a cold or fresh air inlet pipe I9, passing through the wall 1.
  • a damper 24 In the lateral extension I1 of the duct I4 is a damper 24 and a damper 2
  • a motor driven fan 22 for sucking air through the elongated intake duct I4 and forcing the same into the duct IIJ and out through the vents Ia, into the room.
  • a connecting duct 23 in which is a blower 24, preferably motor operated, the duct 23 and blower 24 being substantially larger than the duct I3 and fan 22.
  • flns 24 be provided on the inside of the exhaust conduit I5, but spaced from the elongated intake duct I4, so as to direct the eX- haust (room temperature) air against the outer side of the elongated intake duct I4 so that heat transference from the heated air to the inflowing fresh air, will take place, to the end that the fresh air 'will acquire a substantial amount of the exhaust air heat, thereby being preheated before deliverance to the room area and incidentally conserving that heat, that would ordinarily be lost through the outlet pipe I6.
  • eX- haust room temperature
  • the large blower fan 24 forces air through the exhaust conduit I5 and out through the outlet pipe I6, with the damper 2
  • this air strikes the baflles 24 and is deflected against the elongated intake duct I4, heat by induction through the wall of the duct I4, preheats the flow of air through the duct I4, as the exhaust air passes out through the outlet pipe IE, thus delivering to the fresh air supply heat, that preheats it as it is driven out through the vents Illa of the duct Il] by the blower fan 22.
  • This fan sucks the fresh air through the duct I4 and filter element 2l and forces the same into the room by way of the vents I0a.
  • the amount of fresh air is controlled by the adjustment of the damper 20 and by properly controlling the dampers 20, 2l, the correct ingress and egress of fresh and used air is obtained.
  • An air conditioning apparatus comprising an 5 inlet pipe, a duct extending from the pipe having outlet Vents therein, an exhaust pipe having a conduit spatially surrounding the duct, said conduit provided with a duct extension having intake vents for receiving used air, said used air in passing through the conduit and contacting the rst mentioned duct, serving to heat fresh air moving through the fresh air duct, and deflectors in the conduit for defiecting usedV air against the fresh air duct to transfer heat from l5 said used air to the fresh air.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)

Description

Nova 9 F. W. SCHLACHTER AIR CONDITIONING APPARATUS AND SYSTEM Filed Oct. 4, 1946 "Eyed 5 ChIELET-LEF mi @z @ma A ttl meys Patented Nov. 15 1949 OFFICE AIR-CONDITIONING APPARATUS. AND sYsrnM Fred W. Schlachter, Oshkosh, Wis. Appneation october 4, 1946, serial 'm1701258 1 Claim. l
This invention appertains to improvements in air conditioning apparatus and systems, the principal object being to provide a means and system whereby incoming air for reconditioning the atmosphere of a room or other confinement is preheated or warmed by the exhaust passage of air from said space, this being desirable and a matter of economy in low temperature weather.
Another important object of the invention is to provide an air conditioning system for buildings wherein the usual cold intake air is passed through a duct around which the exhaust air flows, with the result that there is a transference of heat from the exhaust air to the inliowing air, thereby warming or heating the fresh air, before it enters into the atmosphere of the building.
Still another object of the invention is to provide air conditioning means for buildings wherein the fresh air flows, in a duct, through the exhaust air conduit of the system and wherein deectors are provided in said exhaust conduit for deflecting the exhaust air directly against the fresh air intake duct, thus to transfer heat from the exhaust air to the fresh air, preparatory to admission of said fresh air to the atmosphere of the building.
These and various other objects and advantages of the invention will become apparent to the reader of the following description.
In the drawing, the single gure is a diagrammatic View of the improved air conditioning apparatus and system.
Referring to the drawing, numerals 5, 6, 'I and 8 represent the side walls of a room, hall or other building enclosure, representing a space to be air conditioned by the apparatus generally referred to by numeral 9. This apparatus may be arranged at any convenient place, either within the wall construction or outside of the wall construction, and includes a pair of parallel inlet and outlet ducts I (l, II, preferably located in parallel relation on opposite walls, such as the walls 5, 1, these ducts having a suitable number of vents IUa, IIa, respectively.
One end of the duct I Il has a lateral communicating duct I3 which attaches to an elongated intake duct I4.
Spatially located around the intake duct I4 is an exhaust conduit I5 which has a laterally disposed outlet pipe I extending therefrom and preferably in parallel relation to the lateral duct I3 and in an opposite direction from a lateral extension I'I of the intake duct I4. A coupling and encasement of insulating material denoted by numeral I8 receives the end of the lateral extension Il of the duct I4 and also the inner end of a cold or fresh air inlet pipe I9, passing through the wall 1. In the lateral extension I1 of the duct I4 is a damper 24 and a damper 2| is also located in the lateral outlet pipe I6, the former controls the amount of fresh air intake, while the damper 2l controls the used air exhaust, Located within the coupling I8 is a, filtering unit 2 Ia for filtering the fresh air received from the pipe I9.
Situated in the lateral portion I3 of the duct I0 is a motor driven fan 22 for sucking air through the elongated intake duct I4 and forcing the same into the duct IIJ and out through the vents Ia, into the room.
Between the inner end of the exhaust conduit I5 and adjacent end of the duct I I is a connecting duct 23 in which is a blower 24, preferably motor operated, the duct 23 and blower 24 being substantially larger than the duct I3 and fan 22. It is preferable that flns 24 be provided on the inside of the exhaust conduit I5, but spaced from the elongated intake duct I4, so as to direct the eX- haust (room temperature) air against the outer side of the elongated intake duct I4 so that heat transference from the heated air to the inflowing fresh air, will take place, to the end that the fresh air 'will acquire a substantial amount of the exhaust air heat, thereby being preheated before deliverance to the room area and incidentally conserving that heat, that would ordinarily be lost through the outlet pipe I6.
In the operation of the apparatus and system, it can be seen that the large blower fan 24, forces air through the exhaust conduit I5 and out through the outlet pipe I6, with the damper 2| opened. As this air strikes the baflles 24 and is deflected against the elongated intake duct I4, heat by induction through the wall of the duct I4, preheats the flow of air through the duct I4, as the exhaust air passes out through the outlet pipe IE, thus delivering to the fresh air supply heat, that preheats it as it is driven out through the vents Illa of the duct Il] by the blower fan 22. This fan sucks the fresh air through the duct I4 and filter element 2l and forces the same into the room by way of the vents I0a.
The amount of fresh air is controlled by the adjustment of the damper 20 and by properly controlling the dampers 20, 2l, the correct ingress and egress of fresh and used air is obtained.
While the foregoing description sets forth the invention in specific terms, it is to be understood that numerous changes in the shape, size and materials may be resorted to, without departing Y 3 from the spirit and scope of the invention as claimed hereinafter.
Having described the invention, what is claimed asnew is:
An air conditioning apparatus comprising an 5 inlet pipe, a duct extending from the pipe having outlet Vents therein, an exhaust pipe having a conduit spatially surrounding the duct, said conduit provided with a duct extension having intake vents for receiving used air, said used air in passing through the conduit and contacting the rst mentioned duct, serving to heat fresh air moving through the fresh air duct, and deflectors in the conduit for defiecting usedV air against the fresh air duct to transfer heat from l5 said used air to the fresh air.
FRED W. SCHLAQHTER.
REFERENCES CITED The following references are of record in the` file of this patent:
UNITED STATES PATENTS
US701258A 1946-10-04 1946-10-04 Air-conditioning apparatus and system Expired - Lifetime US2488333A (en)

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3581649A (en) * 1969-04-14 1971-06-01 George W Rauenhorst Solar heating air changing wall structure
US3656542A (en) * 1970-04-23 1972-04-18 William J Darm Ventilating system for compartmented buildings
US3726202A (en) * 1970-07-21 1973-04-10 Svenska Flaektfabriken Ab Arrangement at ventilation installations in rooms with high air comfort requirements
US3834180A (en) * 1972-12-29 1974-09-10 Umc Ind Heat exchange unit
US4590990A (en) * 1984-10-25 1986-05-27 George John A Ventilation heat recovery system
WO1986006461A1 (en) * 1985-05-02 1986-11-06 Wilhelm, Anthony, A. Heat exchanger
US4671350A (en) * 1984-03-06 1987-06-09 Risto Toukola Ventilation and heat exchanging system for premises housing animals, in particular for poultry farming
US4718130A (en) * 1984-08-31 1988-01-12 Interpools Systems, Inc. Interdome enclosure system for a heated swimming pool
US4794980A (en) * 1987-11-16 1989-01-03 Raydot Incorporated Air to air heat exchanger
US4838345A (en) * 1986-03-24 1989-06-13 Dolison Dewey H Combined air conditioning and ventilation assembly
US4846261A (en) * 1987-11-05 1989-07-11 Karjasuo Oy Vacuum heat exchange apparatus for ventilation of buildings, in particularly of animal sheds
US4872503A (en) * 1986-03-13 1989-10-10 Marriner Raymond E Air heat exchanger
US4993484A (en) * 1989-01-17 1991-02-19 Kirkwood Community College Facilities Foundation Air to air heat exchanger
DE29709935U1 (en) * 1997-06-07 1997-08-07 Schöck AG, 76534 Baden-Baden Heat recovery device
US5722483A (en) * 1996-08-14 1998-03-03 Gibson; Gary L. Air exchange apparatus and method
US6311344B2 (en) * 1996-03-18 2001-11-06 Jorma Komulainen Sauna ventilation system
US7028685B1 (en) * 1998-03-09 2006-04-18 Edmond Krecke Air conditioning system for buildings and air-conditioned building, especially a zero energy house
US20110223848A1 (en) * 2010-03-10 2011-09-15 Thomas Lipinski Ventilation system
US20160231016A1 (en) * 2013-10-14 2016-08-11 ROOS GmbH Air-to-Air Heat Exchanger

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US86663A (en) * 1869-02-09 Improvement in ventilating- houses, halls
US1024788A (en) * 1907-03-13 1912-04-30 Joseph Moses Ward Kitchen Heating system.
US1510340A (en) * 1922-02-17 1924-09-30 Peter D Pauls Art of cooling substances
CH121056A (en) * 1926-07-19 1927-08-16 Renggli Alois Device on a heating device having a vertical pipe for the flue gas duct to increase the air heating.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US86663A (en) * 1869-02-09 Improvement in ventilating- houses, halls
US1024788A (en) * 1907-03-13 1912-04-30 Joseph Moses Ward Kitchen Heating system.
US1510340A (en) * 1922-02-17 1924-09-30 Peter D Pauls Art of cooling substances
CH121056A (en) * 1926-07-19 1927-08-16 Renggli Alois Device on a heating device having a vertical pipe for the flue gas duct to increase the air heating.

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3581649A (en) * 1969-04-14 1971-06-01 George W Rauenhorst Solar heating air changing wall structure
US3656542A (en) * 1970-04-23 1972-04-18 William J Darm Ventilating system for compartmented buildings
US3726202A (en) * 1970-07-21 1973-04-10 Svenska Flaektfabriken Ab Arrangement at ventilation installations in rooms with high air comfort requirements
US3834180A (en) * 1972-12-29 1974-09-10 Umc Ind Heat exchange unit
US4671350A (en) * 1984-03-06 1987-06-09 Risto Toukola Ventilation and heat exchanging system for premises housing animals, in particular for poultry farming
US4718130A (en) * 1984-08-31 1988-01-12 Interpools Systems, Inc. Interdome enclosure system for a heated swimming pool
US4590990A (en) * 1984-10-25 1986-05-27 George John A Ventilation heat recovery system
WO1986006461A1 (en) * 1985-05-02 1986-11-06 Wilhelm, Anthony, A. Heat exchanger
US4872503A (en) * 1986-03-13 1989-10-10 Marriner Raymond E Air heat exchanger
US4838345A (en) * 1986-03-24 1989-06-13 Dolison Dewey H Combined air conditioning and ventilation assembly
US4846261A (en) * 1987-11-05 1989-07-11 Karjasuo Oy Vacuum heat exchange apparatus for ventilation of buildings, in particularly of animal sheds
US4794980A (en) * 1987-11-16 1989-01-03 Raydot Incorporated Air to air heat exchanger
US4993484A (en) * 1989-01-17 1991-02-19 Kirkwood Community College Facilities Foundation Air to air heat exchanger
US6311344B2 (en) * 1996-03-18 2001-11-06 Jorma Komulainen Sauna ventilation system
US5722483A (en) * 1996-08-14 1998-03-03 Gibson; Gary L. Air exchange apparatus and method
DE29709935U1 (en) * 1997-06-07 1997-08-07 Schöck AG, 76534 Baden-Baden Heat recovery device
US7028685B1 (en) * 1998-03-09 2006-04-18 Edmond Krecke Air conditioning system for buildings and air-conditioned building, especially a zero energy house
US20110223848A1 (en) * 2010-03-10 2011-09-15 Thomas Lipinski Ventilation system
US9151512B2 (en) * 2010-03-10 2015-10-06 Ventive Limited Ventilation system
US20160231016A1 (en) * 2013-10-14 2016-08-11 ROOS GmbH Air-to-Air Heat Exchanger
US9976767B2 (en) * 2013-10-14 2018-05-22 ROOS GmbH Air-to-air heat exchanger

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