Air conditioning system utilizing heat recovery ventilation for fresh air supply and climate control
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60H-001/03
B60H-001/00
F24F-012/00
F24F-013/04
출원번호
US-0209961
(2014-03-13)
등록번호
US-9796239
(2017-10-24)
발명자
/ 주소
Connell, Brett Sean
출원인 / 주소
Bergstrom Inc.
대리인 / 주소
Morgan, Lewis & Bockius LLP
인용정보
피인용 횟수 :
0인용 특허 :
98
초록▼
Disclosed is a ventilation module for improving the efficiency of a vehicle HVAC system. The ventilation module includes a return air duct having an outlet to be coupled to the HVAC system. The ventilation module also includes a fresh air duct, a heat exchanger, and first and second doors. The first
Disclosed is a ventilation module for improving the efficiency of a vehicle HVAC system. The ventilation module includes a return air duct having an outlet to be coupled to the HVAC system. The ventilation module also includes a fresh air duct, a heat exchanger, and first and second doors. The first and second doors connect the return and fresh air ducts upstream and downstream of the heat exchanger. By selectively opening or closing the first and second doors, the ventilation module provides the HVAC system with desired return, fresh or mixed air through the outlet of the return air duct.
대표청구항▼
1. A vehicle ventilation module comprising: a return air duct having a return air inlet and a return air outlet downstream of the return air inlet;a fresh air duct having a fresh air inlet and a fresh air outlet downstream of the fresh air inlet;a heat exchanger thermally coupled to the return air d
1. A vehicle ventilation module comprising: a return air duct having a return air inlet and a return air outlet downstream of the return air inlet;a fresh air duct having a fresh air inlet and a fresh air outlet downstream of the fresh air inlet;a heat exchanger thermally coupled to the return air duct and the fresh air duct, wherein the heat exchanger is upstream of the return air outlet and the fresh air outlet, and downstream of the return air inlet and the fresh air inlet;a first door joining an upstream portion of the return air duct upstream of the heat exchanger and an upstream portion of the fresh air duct upstream of the heat exchanger, anda second door joining a downstream portion of the return air duct downstream of the heat exchanger and a downstream portion of the fresh air duct downstream of the heat exchanger,wherein the first door and the second door are operable to selectively open and close to allow air to pass between the fresh air duct and the return air duct; andcontrol circuitry configured to: operate the vehicle ventilation module in a first mode of operation, including having the first door closed and the second door open, whereby air received through the fresh air inlet is drawn through the heat exchanger in the fresh air duct and a portion of the air drawn through the heat exchanger is drawn into the return air duct via the second door,operate the vehicle ventilation module in a second mode of operation, including having the first door opened and the second door closed, whereby a first portion of air received through the fresh air inlet is drawn into the return air duct and drawn through the heat exchanger in the return air duct, and a second portion of the air received through the fresh air inlet is drawn through the heat exchanger in the fresh air duct:wherein the return air outlet is configured to be coupled with an HVAC system of a vehicle to provide air to the HVAC system, andwherein the fresh air outlet is configured such that in a predetermined mode of operation, air exiting from the fresh air outlet is exhausted to an exterior of the vehicle without passing through the HVAC system. 2. The ventilation module of claim 1, wherein, in the first mode of operation a second portion of the air drawn through the heat exchangers is drawn through the fresh air outlet. 3. The ventilation module of claim 1, wherein the control circuitry is electrically coupled to, and configured to control, the HVAC system. 4. The ventilation module of claim 1, wherein the control circuitry is electrically coupled to, and configured to measure, temperatures measured by an exterior temperature sensor and an interior temperature sensor. 5. The ventilation module of claim 1, wherein the control circuitry is electrically coupled to one or more sensors selected from the group consisting of: a temperature sensor, a hygrometer, a sling psychrometer, an air quality sensor, and an air speed sensor. 6. The ventilation module of claim 1, wherein the fresh air inlet is a scoop configured to receive air when the vehicle is moving forward. 7. The ventilation module of claim 1, wherein the return air outlet is fluidly and thermally coupled to the HVAC system. 8. The ventilation module of claim 1, further comprising a third door coupled to the return air inlet, the third door configured to selectively open and close in order to modulate an amount of return air being supplied to an air conditioning system. 9. The ventilation module of claim 1, further comprising a third door coupled to the return air inlet, the third door configured to selectively open and close in order to modulate an amount return air being supplied to the HVAC system, wherein in a third mode of operation, the third door is closed to restrict flow of return air into the return air duct such that substantially only fresh air received through the fresh air inlet is introduced into the return air duct. 10. The ventilation module of claim 1, wherein the control circuitry is further configured to operate the vehicle ventilation module in a third mode of operation, including having the first door and the second door closed, whereby substantially no air from the fresh air duct is introduced into the return air duct. 11. The ventilation module of claim 1, further comprising a fresh air fan coupled to the fresh air duct for drawing fresh air through the fresh air duct. 12. The ventilation module of claim 1, further comprising a flue coupled to the fresh air duct for drawing fresh air through the fresh air duct. 13. The ventilation module of claim 1, further comprising a third door coupled to the fresh air inlet, the third door configured to selectively open and close in order to modulate an amount of fresh air being supplied to the air conditioning system. 14. The ventilation module of claim 1, wherein the control circuitry is further configured to: determine one or more of the following: (i) a temperature of air needed for the HVAC system, (ii) a humidity of the air need for the HVAC system, (iii) a percentage of fresh air need for the HVAC system, (iv) whether the return air is cooler or warmer than the fresh air, and (v) whether the return air has a lower or higher relative humidity that the fresh air, andclose the first door and open the second door, if it is determined that the fresh air or air at a higher temperature is needed for the HVAC system, and that the return air is cooler or has a lower relative humidity than the fresh air, andopen the first door and close the second door, if it is determined that the fresh air or air at a lower temperature or at a lower humidity is needed for the HVAC system, and that the return air is warmer or has a higher relative humidity than the fresh air. 15. The vehicle ventilation module of claim 14, further comprising a third door coupled to the return air inlet, wherein the control circuitry is further configured to open one or more of the first and second doors, and at least partially close the third door to modulate an amount of the return air introduced through the return air inlet.
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