Method of attaching electrodes to plated thermoset plastic heated blower housing
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F24H-003/02
F24H-001/10
F24F-001/56
F24H-009/00
F04D-029/02
F04D-029/42
F04D-029/58
F24F-013/20
출원번호
US-0577623
(2014-12-19)
등록번호
US-9982900
(2018-05-29)
발명자
/ 주소
Hancock, Stephen Stewart
출원인 / 주소
Trane International Inc.
대리인 / 주소
Conley Rose, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
13
초록▼
A blower assembly of an HVAC system may include an electrically-conductive plating applied to an inner surface of a blower housing, a first electrode attached to the electrically-conductive plating at an inner wall of the blower housing via an electrically-conductive RTV silicone, and a second elect
A blower assembly of an HVAC system may include an electrically-conductive plating applied to an inner surface of a blower housing, a first electrode attached to the electrically-conductive plating at an inner wall of the blower housing via an electrically-conductive RTV silicone, and a second electrode attached to the electrically-conductive plating at an outer wall of the blower housing via an electrically-conductive RTV silicone. The first electrode may pass a current through the electrically-conductive plating of the blower housing to the second electrode that may act as an ohmic heater and provide a thermal energy discharge which may exchange heat with an airflow flowing through the blower housing as a result of operating the blower assembly.
대표청구항▼
1. A blower housing, comprising: an inner surface comprising an electrically-conductive plating and configured as an ohmic heater, wherein the ohmic heater comprises a first electrode disposed around and electrically coupled to an inner surface wall of the blower housing that comprises a first diame
1. A blower housing, comprising: an inner surface comprising an electrically-conductive plating and configured as an ohmic heater, wherein the ohmic heater comprises a first electrode disposed around and electrically coupled to an inner surface wall of the blower housing that comprises a first diameter and a second electrode disposed around and electrically coupled to a second inner surface wall of the blower housing that comprises a second diameter that is different than the first diameter. 2. The blower housing of claim 1, wherein the blower housing is formed from a thermosetting plastic. 3. The blower housing of claim 1, wherein the electrically-conductive plating comprises at least one of a stainless steel plating, an aluminum plating, a copper plating, and a titanium plating. 4. The blower housing of claim 1, wherein the ohmic heater is configured to produce a substantially isothermal temperature across the electrically-conductive plating. 5. The blower housing of claim 1, wherein the first electrode and the second electrode are attached to the inner surface via an adhesive. 6. The blower housing of claim 5, wherein the adhesive is an electrically-conductive silicone. 7. The blower housing of claim 1, wherein the ohmic heater second electrode is configured to pass current through the inner surface to the first eectrode. 8. The blower housing of claim 1, wherein the first electrode is configured to pass current through the inner surface to the second electrode. 9. A heating, ventilation, and/or air conditioning (HV AC) system, comprising: an air handling unit comprising a blower assembly comprising: an inner surface configured as an ohmic heater, wherein the ohmic heater comprises a first electrode disposed around an inner surface wall of the blower housing that comprises a first diameter, and a second electrode disposed around a second inner surface wall of the blower housing that comprises a second diameter different than the first diameter. 10. The HV AC system of claim 9, wherein the inner surface comprises an electrically-conductive plating. 11. The HV AC system of claim 10, wherein the inner surface comprises at least one of a stainless steel plating, an aluminum plating, a copper plating, and a titanium plating. 12. The HV AC system of claim 9, wherein the ohmic heater is configured to produce a substantially isothermal temperature across the inner surface. 13. The HV AC system of claim 9, wherein the first electrode and the second electrode are attached to the inner surface via an adhesive. 14. The HV AC system of claim 13, wherein the adhesive is an electrically-conductive silicone. 15. The HV AC system of claim 11, wherein the ohmic heater is configured to heat the electrically-conductive plating of the inner surface of the blower housing by passing an electrical current from at least one of (1) the first electrode through the electrically-conductive plating to the second electrode and (2) the second electrode through the electrically-conductive plating to the first electrode. 16. A method of heating an airflow in a heating, ventilation, and/or air conditioning (HVAC) system, comprising: providing a blower assembly comprising a blower housing comprising an inner surface;configuring the inner surface as an ohmic heater by (1) applying an electrically-conductive plating to an inner surface of the blower housing and (2) electrically coupling a first electrode to an inner wall of the inner surface of the blower housing and a second electrode to an outer wall of the inner surface of the blower housing;heating the electrically-conductive plating of the inner surface of the blower housing by passing an electrical current from at least one of (1) the first electrode through the electrically-conductive plating to the second electrode and (2) the second electrode through the electrically-conductive plating to the first electrode;passing an airflow through the blower housing and at least partially into contact with the electrically-conductive plating of the inner surface of the blower housing; andtransferring heat from the electrically-conductive plating of the inner surface of the blower housing to the airflow. 17. The method of claim 16, wherein the passing an airflow through the blower housing is accomplished by operating a blower motor of the blower assembly. 18. The method of claim 17, wherein the blower assembly is installed in an air handling unit of the HVAC system. 19. The method of claim 16, further comprising: producing a substantially isothermal temperature across the electrically-conductive plating of the inner surface of the blower housing.
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