[특허]Variable air volume control system

[미국특허] Variable air volume control system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F24F-007/00 F24F-003/00
출원번호	US-0990691 (1997-12-15)
발명자 / 주소	Bujak Jr. Walter E.
출원인 / 주소	Carrier Corporation
인용정보	피인용 횟수 : 32 인용 특허 : 3

초록 ▼

A system controls the pressure at which conditioned is to be provided to one or more zones to be heated or cooled by the conditioned air. The system actively computes a setpoint for the pressure with a location in a duct system upstream of where any of the conditioned air is to be provided to the zones. The setpoint is computed as a function of the positional statuses of dampers within the duct system that regulate the flow of the conditioned air to the respective zones. The actively computed setpoint is compared with a sensed pressure in the duct system in order to determine whether the pressure in the duct system needs to be changed.

대표청구항 ▼

[ What is claimed is:] [1.] A process for controlling the pressure within a supply duct of a variable air volume system, said process comprising the steps ofdefining a setpoint for the static pressure in a supply duct upstream of one or more outlets formed in the supply duct which provide air to branch ducts associated therewith;computing an offset to the defined setpoint for the static pressure in the supply duct as a function of the positional status of dampers located in one or more of the branch ducts;adjusting the defined setpoint for the static pressure in the supply duct by the computed offset so as to thereby generate a controlling static pressure setpoint;sensing the static pressure in the supply duct at a point upstream of the outlets formed in the supply duct;comparing the sensed static pressure in the supply duct to the controlling static pressure setpoint; andadjusting the pressure in the supply duct depending on the comparison of the sensed static pressure to the controlling static pressure setpoint.

이 특허에 인용된 특허 (3) 인용/피인용 타임라인 분석

Otsuka Nobuo (Kamakura JPX) Igarashi Hideo (Fujisawa JPX) Thompson Peter (Yokohama JPX), Air-conditioner.
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Desmarais Brett A. (Clay NY) Gilbert Jeffrey S. (Clay NY), Pressure independent control for air distribution system.
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Wright ; Jr. Edward F. (Clay NY), Static pressure control in variable air volume delivery system.
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이 특허를 인용한 특허 (32) 인용/피인용 타임라인 분석

Davledzarov, Farhad, Air control module.
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Coogan, James J., Air pressure control system and method.
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Hung, Der-Kai; Havard, Jr., Harold Gene; Leal, Rosa Maria; Brown, Steven C.; Walter, Stephen A., Airflow-confirming HVAC systems and methods with variable speed blower.
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Kates, Lawrence, Battery-operated wireless zone controllers having multiple states of power-related operation.
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Green, Charles E. B., Calculating airflow values for HVAC systems.
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Lord, Richard G.; DeLuca, Guy A.; Froehlich, Michael J., Control of a conditioned air supply system.
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Tipley, Roger E., Coolant pulsing for computer system.
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Shrivastava, Saurabh K.; Ibrahim, Mahmoud I.; Muralidharan, Bharathkrishnan, Cooling control for data centers with cold aisle containment systems.
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Fan, Junqiang; Li, Sheng; Mijanovic, Stevo; Sari, Anthony; Josserand, Olivier, Coordinated air-side control of HVAC system.
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Amirian, Hayghaz; Amirian, Saro Vahe; Amirian, Sevak Stepan, Damper mechanism.
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Douglas, Jonathan; Thomas, Herman M., HVAC system having a diagnostics controller associated therewith.
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Federspiel, Clifford; Federspiel, Kurt, Method and apparatus for controlling fans in heating, ventilating, and air-conditioning systems.
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Federspiel, Clifford; Federspiel, Kurt, Method and apparatus for controlling fans in heating, ventilating, and air-conditioning systems.
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Federspiel, Clifford Conrad, Method and apparatus for controlling variable air volume supply fans in heating, ventilating, and air-conditioning systems.
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Lin Yu-Liang,TWX, Method and apparatus for environmental control in a process chamber.
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Parker, William Andrew; Grove, Gerald Wilson; Brooks, Robert Lester; D'Ambruoso, Mark David, Methods and systems for detecting gas turbine engine fuel leaks.
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Sprayberry, Kelly Gene; Williams, Joel John; Couch, Charles Thomas; Metzger, Edward H., Multi-zone variable refrigerant flow heating/cooling unit.
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Sprayberry, Kelly Gene; Williams, Joel John; Couch, Charles Thomas; Metzger, Edward H., Multi-zone variable refrigerant flow heating/cooling unit.
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Kates, Lawrence, Multiple environmental zone control with integrated battery status communications.
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Curtin, Daniel J.; Reynolds, William W.; Kennedy, Daniel B., Multizone variable damper for use in an air passageway.
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Germagian, Mark, Plenum pressure control system.
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Bash, Cullen E.; Patel, Chandrakant D.; Beitelmal, Abdimonem; Sharma, Ratnesh K., Pressure control of cooling fluid within a plenum using automatically adjustable vents.
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Coogan, James J., Pressure control with coarse and fine adjustment.
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Hull,Gerry Glancy; Tom,Steven Treece; Saar,Raynold Lee, Slop predictive control and digital pid control for a variable temperature control system.
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Hull, Gerry Glancy; Tom, Steven Treece; Saar, Raynold Lee, Slope predictive control and digital PID control.
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Hull,Gerry Glancy; Tom,Steven Treece; Saar,Raynold Lee, Slope predictive control and digital PID control.
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Hull, Gerry Glancy; Tom, Steven Treece; Saar, Raynold Lee, Slope predictive control and digital PID control for a variable temperature control system.
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Watson, David Stanley, System and method for controlling supply fan speed within a variable air volume system.
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Ahmed,Osman; Cascia,Mark A.; Coogan,James Joseph; Kalore,Pankaj Vijay, System and method for model-based control of a building fluid distribution system.
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Darling,Reyi, System for controlling distribution of air to different zones in a forced air delivery system.
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Pouchak, Michael A.; Roth, Roger R., VAV airflow control for preventing processor overflow and underflow.
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Kates, Lawrence, Wireless zone control via mechanically adjustable airflow elements.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Variable air volume control system 원문보기