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04/12/07 - USPTO Class 417 |  98 views | #20070081902 | Prev - Next | About this Page  417 rss/xml feed  monitor keywords

Digital air compressor control system

USPTO Application #: 20070081902
Title: Digital air compressor control system
Abstract: A digital air compressor control system is for creating a customized air compressor. The system includes microprocessor, power supply, electric sensors and electric valve. In general, digital control system includes four overall components, which may be present in a variety of electric-mechanical formulations. The first component is the microprocessor. It controls the system's or component's action. It receives signals and sends out action commands according to user requirements. Microprocessor directs most every component action. The second component is power control system. Under microprocessor control, the power control system can supply or stop supplying current to electric components allowing accurate functionality. The next component is sensors. They include pressure sensors and temperature sensors. The pressure sensor picks up the pressure data from the control pressure area. The sensor sends the signal to the microprocessor for processing, and issues appropriate commands that the designer programmed or that the user preset. The temperature sensor function is similar to the pressure sensor, one difference is that the signal comes from the control temperature area. The microprocessor receives these signals and sends commands to control power on or off; motor run or stop; valve open or close. Another component is the electric valve. These valves follow the microprocessor command to either open or close to allow the air tank to reach preset pressure. It also releases tube pressure air from the pump to tank.
(end of abstract)
Agent: Wilson Daniel Swayze, Jr. - Plano, TX, US
Inventors: Ling Zhang, Ning Zhang
USPTO Applicaton #: 20070081902 - Class: 417032000 (USPTO)

Related Patent Categories: Pumps, Condition Responsive Control Of Pump Drive Motor, Responsive To Pump Or Pump Fluid Temperature
The Patent Description & Claims data below is from USPTO Patent Application 20070081902.
Brief Patent Description - Full Patent Description - Patent Application Claims  monitor keywords

PRIORITY

[0001] The present application claims priority under 35 USC section 119 and is based on the provisional application filed on Oct. 6, 2005 and is based on Ser. No. 60/596,619.

BACKGROUND OF THE INVENTION

[0002] 1. Field of the Invention

[0003] The present invention relates generally to digital air compressors and more specifically it relates to a digital air compressor control system for controlling a customized air compressor.

[0004] 2. Description of the Related Art

[0005] It can be appreciated that digital air compressor have been in the market for a short time. The current market digital air compressor can only digitally display air tank pressure. When you manually adjust the regulator, it can only display regulated pressure. A liquid crystal display may not work under cold conditions.

[0006] The main problem with the conventional digital air compressor is that existing air compressor is not programmable and has no memory functions. The air tank pressure can not be set according to user specifications and the settings cannot be saved. Another problem with the conventional digital air compressors is that existing the digital air compressor does not stop pressurizing the tank until the tank reaches maximum pressure which is the kick out pressure. The motor cannot stop pressurizing the tank at any user defined kick out pressure. Most of the time, this excess pressure will waste energy. Another problem with the conventional digital air compressor is that the existing digital air compressor does not display the complete control characteristics usually the users can only read air pressures.

[0007] In these respects, the digital air compressor control system according to the present invention substantially departs from the conventional concepts and designs of the prior art, and in doing so, provides an apparatus primarily developed for the purpose of creating a customized air compressor.

SUMMARY OF THE INVENTION

[0008] In view of the foregoing disadvantages inherent in the known types of digital air compressor now present in the prior art, the present invention provides a new digital air compressor control system wherein the control system of the present invention can be utilized for creating a customized air compressor.

[0009] The general purpose of the present invention, which will be described subsequently in greater detail, is to provide a digital air compressor control system that has many of the advantages over the conventional digital air compressor. To attain this advantage, the present invention generally includes a microprocessor, a power control system, electric sensors, display system and electric valves. In general, digital control system and the like include four overall components, which may be present in a variety of electric-mechanical formulations. The first component is the microprocessor. It controls the system's or component's action. The microprocessor receives signals and sends out action commands in the form of signals according to user requirements or to the pre-programming requirements of the products. Microprocessor directs most component action. The second component is a power control system. Under microprocessor control, the power control system can supply or stop supplying current to electric components allowing accurate functionality. The next component is various sensors. The sensors include pressure sensors, temperature sensors and oil position sensors. The pressure sensor picks up the pressure data from the controlling pressure area, and then the sensor sends the signal to the microprocessor for processing. The microprocessor can issue appropriate commands in the form of signals that the user has pre-programmed or the user has input. The function of the temperature sensor is similar to the function of the pressure sensor; the difference is that the signal comes from the control temperature area of the motor. The oil position sensor is used for the oil air compressor. It controls the lubrication oil level. When the oil level is lower than the preprogrammed volume, it will send a signal to the microprocessor to start the alarm system to notify the user that some lubrication oil should be added. The microprocessor receives these signals from the temperature sensors and sends commands to control power on or off; motor run or stop; valve open or close. Another component is the electric valve. These valves follow the microprocessor command to either open or close to allow the air tank to reach the user inputted pressure. It may also release the tube pressure air from the pump to tank.

[0010] There has thus been outlined, rather broadly, some features of the invention in order that the detailed description thereof may be better understood, and in order that the present contribution to the art may be better appreciated. There are additional features of the invention that will be described hereinafter.

[0011] In this respect, before explaining at least one embodiment of the invention in detail, it is to be understood that the invention is not limited in its application to the details of construction and to the arrangements of the components set forth in the following description or illustrated in the drawings. The invention is capable of other embodiments and of being practiced and carried out in various ways. Also, it is to be understood that the phraseology and terminology employed herein are for the purpose of the description and should not be regarded as limiting.

[0012] A primary objective of the present invention is to provide a digital air compressor control system that will overcome the shortcomings of the prior art devices.

[0013] An objective of the present invention is to provide a digital air compressor control system for creating a customized operational air compressor.

[0014] Another objective is to provide a digital air compressor control system that creates an object to be installed on various sizes, styles and type of air compressors.

[0015] Another objective is to provide a digital air compressor control system that has the capability to memorize custom settings.

[0016] Another objective is to provide a digital air compressor control system that can be programmed to fit any style and design of air compressors.

[0017] Another objective is to provide a digital air compressor control system that users can preset maximum pressure according to user equipment requirement.

[0018] Another objective is to provide a digital air compressor control system that can make digital air compressor operation easy and direct.

[0019] Another objective is to provide a digital air compressor control system that allows digital air compressors to keep all traditional air compressor functions and add additional functions.

[0020] Another objective is to provide a digital air compressor control system that can achieve distance control.

[0021] Other objectives and advantages of the present invention will become obvious to the reader and it is intended that these objectives and advantages are within the scope of the present invention.

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