In-line duct supplemental heating and cooling device and method
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F24D-013/00
F24F-011/053
F24F-003/04
F24D-013/04
F24D-005/02
F24D-019/10
F24F-001/00
F24H-003/04
F24H-009/20
G05D-023/19
F24F-011/04
F24F-011/00
출원번호
US-0486714
(2014-09-15)
등록번호
US-9261283
(2016-02-16)
발명자
/ 주소
Mulder, Eric P.
출원인 / 주소
TPI Corporation
대리인 / 주소
Gardner, Linn, Burkhart & Flory, LLP
인용정보
피인용 횟수 :
1인용 특허 :
34
초록▼
A system and method of heating or cooling a room of a building provides supplemental warmer or cooler air to the room with an inline duct supplemental heating and cooling device mounted along an air duct that supplies the room with air from a main furnace and/or cooling unit associated with the buil
A system and method of heating or cooling a room of a building provides supplemental warmer or cooler air to the room with an inline duct supplemental heating and cooling device mounted along an air duct that supplies the room with air from a main furnace and/or cooling unit associated with the building. A thermostat is used to set a desired temperature for the room, and a controller of the supplemental heating and cooling device is in communication with the thermostat, and activates an electric heater and/or fan as appropriate to warm or cool the room as needed. When the device is used to cool the room, the fan may be operated to draw cooled air through the duct from the main cooling unit and/or from other areas in the building that are linked via ductwork.
대표청구항▼
1. An electric heating and cooling device adapted to supplement a furnace or cooling unit having an air duct extending therefrom for transferring air from the furnace or cooling unit to a room, said heating and cooling device comprising: a housing defining a fluid passageway in fluid communication w
1. An electric heating and cooling device adapted to supplement a furnace or cooling unit having an air duct extending therefrom for transferring air from the furnace or cooling unit to a room, said heating and cooling device comprising: a housing defining a fluid passageway in fluid communication with the air duct so that air discharged from said housing originates from the air duct;a heater positioned in said fluid passageway of said housing and configured to selectively heat air received from the air duct;a fan coupled to said housing and configured to selectively propel air through the air duct;a control in communication with said heater and said fan, and configured to communicate with a thermostat for detecting a temperature in the room to be heated or cooled, and for selecting at least a desired lower threshold temperature in the room, wherein said control is configured to activate and deactivate said heater and said fan based on an input from the thermostat;wherein said control automatically activates at least one of said heater and said fan when the temperature detected in the room is lower than a desired lower threshold temperature; andwherein said control is configured to activate said fan, without activating said heater, in response to said control receiving a fan-activation signal from the thermostat, whereby the device is operable to supplement a cooling unit connected to the air duct by activating said fan to draw air from the cooling unit through the air duct. 2. The heating and cooling device of claim 1, wherein said fluid passageway is substantially circular in cross section. 3. The heating and cooling device of claim 2, wherein said fan comprises a rotary fan having a plurality of radial blades disposed in said fluid passageway. 4. The heating and cooling device of claim 3, wherein said radial blades are configured to rotate about a rotational axis that is substantially coaxial with a longitudinal axis of said fluid passageway and with a longitudinal axis of the air duct. 5. The heating and cooling device of claim 3, wherein said fan has an outer diameter that is at least about 90% of an inner diameter of said fluid passageway at said fan. 6. The heating and cooling device of claim 5, further comprising an anti-crush ring disposed circumferentially around said radial blades of said fan. 7. The heating and cooling device of claim 1, further in combination with a thermostat. 8. The heating and cooling device of claim 7, wherein said thermostat is a wireless thermostat that is in wireless communication with said control. 9. The heating and cooling device of claim 1, further comprising a vibration insulator sleeve including a cylindrical hollow fabric member having opposite ends with an annular ring at each of said opposite ends, wherein one of said annular rings is configured for attachment to said housing and the other of said annular rings is configured for attachment to the air duct. 10. The heating and cooling device of claim 1, wherein both said fan and said heater are electrically powered. 11. A method of heating and cooling a room that is primarily heated by a furnace adapted to supply heat to the room through an air duct, and that is primarily cooled by a cooling unit adapted to supply cooled air to the room through the air duct, said method comprising: mounting a supplemental heating and cooling device in-line with the air duct, the supplemental heating and cooling device including a heater and a fan in fluid communication with a fluid passageway defined by a housing that is coupled to the air duct;directing heated or cooled air, from the furnace or the cooling unit, through the air duct so that air passing from the furnace or the cooling unit through the air duct is directed through the fluid passageway, the heater, and the fan, so that the air passing through the supplemental heating and cooling device is received from the air duct;adjusting a thermostat that is in communication with the supplemental heating and cooling device to select a desired temperature in the room;detecting a temperature in the room with the thermostat;automatically activating at least one of the heater and the fan when the temperature detected in the room is lower than the desired temperature, whereby further heated air is directed to the room through the air duct; andactivating the fan in response to a fan-activation signal, without activating the heater, to propel air through the air duct that is at a cooler temperature than the temperature detected in the room by the thermostat, thereby supplementing the cooling unit associated with the air duct. 12. The method of claim 11, further comprising automatically deactivating both the heater and the fan when the temperature detected in the room is approximately equal to the desired temperature. 13. The method of claim 11, wherein said automatically activating at least one of the heater and the fan comprises automatically activating the heater and the fan together when the temperature detected in the room is lower than the desired temperature. 14. The method of claim 11, wherein said automatically activating at least one of the heater and the fan comprises selectively activating the heater and the fan with a wireless thermostat that is in wireless communication with the controller. 15. The method of claim 11, further comprising positioning the supplemental heating and cooling device in-line with the air duct by coupling a vibration insulator sleeve, which includes a hollow fabric member, between the housing and the air duct. 16. The method of claim 11, wherein said activating the fan without activating the heater comprises generating a fan-activation signal at the thermostat and receiving the fan-activation signal at the controller. 17. The method of claim 11, wherein the heater and the fan are disposed directly in the fluid passageway defined by the housing. 18. The method of claim 17, wherein the fan comprises an electric fan and the heater comprises an electric heater.
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