| Air conditioning system having a terminal chest to provide optimal airflow -> Monitor Keywords |
|
|
  Air conditioning system having a terminal chest to provide optimal airflowUSPTO Application #: 20070017667Title: Air conditioning system having a terminal chest to provide optimal airflow Abstract: An air conditioning system having a terminal chest to provide an optimal airflow mainly includes a first adjustable baffle in a return air inlet of each terminal chest that is openable to a desired degree to regulate second time return air volume and a corresponding first time air intake volume according to alterations of air conditioning energy requirement of individual air conditioning area. A variable speed air fan motor is provided that can automatically adjust the rotation speed to deliver optimal airflow volume to automatically balance the air conditioning energy supply with the air conditioning load, thereby to save energy and prevent cool air effect, and maintain a desired air quality. (end of abstract) Agent: Bruce H. Troxell Suite 1404 - Falls Church, VA, US Inventor: Kuo-Liang Weng USPTO Applicaton #: 20070017667 - Class: 165214000 (USPTO) Related Patent Categories: Heat Exchange, With Timer, Programmer, Time Delay, Or Condition Responsive Control, Having Heating And Cooling Capability, Plural Temperature Regulators For Plural Zones, Central Temperature Conditioned Air Supplied To Each Zone, Mixing Within Zone Of Recirculated Zone Air And Supply Air Adjacent Zone Air Inlet (e.g., Induction Unit, Etc.), Including A Fan (e.g., Fancoil Unit, Etc.) The Patent Description & Claims data below is from USPTO Patent Application 20070017667. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The invention relates to an air conditioning system that has a terminal chest to provide and deliver an optimal airflow volume for each air conditioning area according to airflow and air conditioning energy requirements. [0003] 2. Description of the Prior Art [0004] The conventional air conditioning system has a terminal chest 2 (referring to FIGS. 1 and 2) which delivers heat source (cool air or warm air) provided by a first heat source supply system 1 to one or more air conditioning area AO. The terminal chest 2 of each air conditioning area AO has an air vent 21 which contains an adjustable baffle 211 to control airflow of a first time air intake. An air fan motor 22 sends the air through an air outlet 25 to the air conditioning area AO. The terminal chest 2 has a return air inlet 24 on one side that has a selected cross section to provide a second time return airflow. A setting face panel 23 is provided for setting a set temperature TSo of the air conditioning area AO. There is a temperature sensor B1 to detect the ambient temperature TAo of the air conditioning area AO. [0005] Delivering of airflow in the conventional air conditioning system generally adopts two types, one is Constant Air Volume System (CAV system), another is Variable Air Volume System (VAV system). The main difference between the two is as follow: [0006] The CAV system maintains a constant airflow volume and responds to load variation by changing the temperature of the delivering airflow. The VAV system maintains a constant temperature of the delivering airflow, and responds to load variation by changing the volume of the delivering airflow. For the CAV system to respond the air conditioning load variation, the most simple control approach is to cut off cooling water or direct hot water into a heat exchange tube through a water valve. While this control method is economic and simple, temperature and humidity fluctuate too much in the air conditioning area, and energy control is difficult. It cannot achieve the desired goal. Such an approach cannot meet the requirements of the modern time. To remedy the shortcomings of the CAV system, one way is to open or close the water valve proportionally to adjust the temperature of the delivering airflow. While this approach has some improvements in limiting the fluctuation of the temperature and humidity, the temperature of the piping fluctuates and is difficult to reach an optimal balance point when the volume of cooling and hot water changes. Hence the temperature and humidity in the air conditioning area are difficult to reach a desired condition. Such an approach can be better controlled in the warm air mode. But in the cool air mode with the flowing volume of the cooling water changed, the average effective temperature of the piping also changes. In a low sensible heat loading environment, to reach a desired humidity is difficult to control. On the other hand, the VAV system has improvements on the shortcomings of the CAV systems regarding water claiming, excessive temperature and humidity fluctuations and the like, and can save energy, reduce noise and stabilize the temperature and humidity, and malfunction can be reduced. But in the low loading operation, airflow is not sufficient and air circulation in the air conditioning area is undesirable. In the event of uneven temperature distribution and not adequate external air replenishment, people could feel uncomfortable. The cool air effect could even impair the health of people who are not physically fit. [0007] Because of the conventional VAV and CAV systems cannot meet the requirement of providing a comfortable condition for users, and the air conditioning system controlled manually consumes a lot of energy, they become a big concern in energy conservation. SUMMARY OF THE INVENTION [0008] In view of the aforesaid problems occurred to the conventional air conditioning systems, the present invention aims to provide an air conditioning system with a terminal chest to provide an optimal airflow. The terminal chest according to the invention has a return air inlet which contains a first adjustable baffle. The first adjustable baffle can be opened to a desired degree according to air conditioning energy requirement alteration of each air conditioning area to regulate the second time return airflow volume, and also regulate the first time air intake volume of the air conditioning. The terminal chest has an air fan motor of variable speed that can be controlled to rotate at a speed to generate an optimal airflow volume according to the required airflow volume in the air conditioning area when the ambient temperature reaches the set temperature. Supply of air conditioning energy of each air conditioning area can also be regulated to achieve an automatic balance with the air conditioning load. When the ambient temperature of each air conditioning area approaches or reaches the set temperature, and the optimal airflow volume is provided, energy can be saved and cool air effect can be prevented, and a desired air conditioning quality can be achieved. [0009] The foregoing, as well as additional objects, features and advantages of the invention will be more readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS [0010] FIG. 1 is a schematic view of an embodiment of a conventional air conditioning. [0011] FIG. 2 is a schematic view of another embodiment of a conventional air conditioning. [0012] FIG. 3 is a schematic view of an air conditioning embodiment of the invention. [0013] FIG. 4 is a control flow chart-1 of the invention. [0014] FIG. 5 is a control flow chart-2 of the invention. [0015] FIG. 6 is a control flow chart-3 of the invention. [0016] FIG. 7 is a control flow chart-4 of the invention. [0017] FIG. 8 is a control flow chart-5 of the invention. [0018] FIG. 9 is a control flow chart-6 of the invention. [0019] FIG. 10 is a schematic view of a second embodiment of the invention. [0020] FIG. 11 is another schematic view of the second embodiment of the invention. [0021] FIG. 12 is a schematic view of a third embodiment of the invention. Continue reading... Full patent description for Air conditioning system having a terminal chest to provide optimal airflow Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Air conditioning system having a terminal chest to provide optimal airflow patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. Start now! - Receive info on patent apps like Air conditioning system having a terminal chest to provide optimal airflow or other areas of interest. ### Previous Patent Application: Energy management system for a hybrid-electric vehicle Next Patent Application: Apparatus for controlling cooling device and cooling system Industry Class: Heat exchange ### FreshPatents.com Support Thank you for viewing the Air conditioning system having a terminal chest to provide optimal airflow patent info. IP-related news and info Results in 5.40729 seconds Other interesting Feshpatents.com categories: Computers: Graphics , I/O , Processors , Dyn. Storage , Static Storage , Printers |
||
