[특허]Hazardous fluids transfer system and method

Adapco, Inc.

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Hazardous fluids transfer system and method

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65B-031/00
미국특허분류(USC)	141/059; 141/049; 141/094; 141/285; 141/301
출원번호	US-0059578 (2005-02-16)
등록번호	US-7322384 (2008-01-29)
발명자 / 주소	Bryan,Avron L. Heller,Larry D.
출원인 / 주소	Adapco, Inc.
대리인 / 주소	Allen, Dyer, Doppelt, Milbrath & Gilchrist, P.A.
인용정보	피인용 횟수 : 0 인용 특허 : 17

초록
▼

A hazardous fluid transfer system is automated for controlling transfer of hazardous fluid within a closed environment thus providing protection to an operator handling the transfer. The hazardous fluid is transferred from a source container to a target container using a processor controlled pump responsive to flow and pressure within a liquid line. A pre-programmed processor receives pressure and flow signals from transducers monitoring the liquid line. The processor actuates a valve within a vapor line between the source and target containers in response to pressure within the target container. The valve is opened for allowing vapor to accumulate within an accumulator during a filling of the target container and closed for causing the accumulator to force vapor stored in the accumulator into the source container, thus transferring the liquid from the source container to the target container while maintaining fluid transfer within the closed environment.

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청구항
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That which is claimed is: 1. A hazardous fluid transfer system for transferring fluid within a closed environment, the system comprising: a source storage container for carrying a hazardous liquid therein; a target storage container for receiving the hazardous liquid; a liquid conduit communicating between the source storage container and the target storage container for delivering a liquid therebetween; a vapor conduit communicating between the source storage container and the target storage container for delivering a vapor therebetween; a pump operable with the liquid conduit for pumping the liquid from the source storage container to the target storage container during actuation thereof; a flow sensor operable for monitoring flow in the liquid conduit; a first pressure sensor operable for monitoring pressure within the liquid conduit; a valve operable with the vapor conduit for controlling vapor flow therethrough; a second pressure sensor operable with the vapor conduit for monitoring pressure therein; a vapor accumulator operable with the vapor conduit between the valve and the source container for accumulating vapor therein during periods when the valve is in an open position and allowing the accumulated vapor therein to flow into the source container during periods when the valve is in a closed position; and a controller operable for receiving input signals from the sensors and automatically actuating the pump responsive thereto. 2. A system according to claim 1, wherein the liquid conduit and the vapor conduit segregate the liquid and the vapor during fluid flow between the source storage and the target storage containers. 3. A system according to claim 1, wherein the first pressure sensor monitors pressure within the liquid conduit between the pump and the target storage container. 4. A system according to claim 1, wherein the valve is carried within the vapor line between the target container and the accumulator. 5. A system according to claim 1, wherein the valve is a two-way valve. 6. A system according to claim 1, wherein the second pressure sensor is operable between the valve and the target storage container. 7. A system according to claim 1, wherein the controller is responsive to pressure within the liquid conduit for automatically actuating the valve at a preselected pressure level established for the target storage container. 8. A system according to claim 7, wherein the preselected pressure level comprises a pressure versus time response, and wherein the controller monitors the response for determining a liquid level within the target container. 9. A system according to claim 1, further comprising a housing, and wherein the housing carries the pump, the accumulator, the valve, and the sensors. 10. A system according to claim 1, wherein the accumulator is a bellows styled container having a variable volume. 11. A hazardous fluid transfer system for transferring fluid within a closed environment, the system comprising: a liquid conduit for providing a sealed connection between a source storage container and a target storage container for transferring a liquid therebetween; a vapor conduit for providing a sealed connection between the source storage container and the target storage container for transferring a vapor therebetween; a pump operable for pumping the liquid through the liquid conduit; a flow sensor for monitoring a liquid flow within the liquid conduit; a pressure sensor for monitoring pressure within the target storage container; a valve operable with the vapor conduit for controlling vapor flow therethrough; a vapor accumulator operable with the vapor conduit between the valve and the source storage container for accumulating vapor therein during periods when the valve is in on open position and allowing the vapor in the accumulator to flow into the source storage container during periods when the valve is in a closed position and liquid is being pumped through the liquid conduit; and a controller for actuating the pump and the valve responsive to pressure within the target storage container. 12. A system according to claim 11, further comprising a source storage container and a target storage container. 13. A system according to claim 12, wherein the liquid and the vapor are segregated during delivery between the source storage container and the target storage container. 14. A system according to claim 11, wherein the pressure sensor comprises at least one of a first pressure sensor operable within the liquid conduit and a second pressure sensor operable within the vapor conduit. 15. A system according to claim 11, wherein the controller is automated for receiving input signals from the sensors and automatically actuating the pump and valve responsive to at least one of a preselected pressure level established for the target storage container and liquid flow. 16. A hazardous fluid transfer system comprising: a liquid conduit for communicating between a source storage container and a target storage container for delivering a hazardous liquid therebetween; a vapor conduit for communicating between the source storage container and the target storage container for delivering a vapor therebetween, wherein the liquid and the vapor are segregated during delivery between the source storage and the target storage containers; a pump for transferring the liquid from the source storage container to the target storage container through the liquid conduit; a first pressure sensor for monitoring pressure within the liquid conduit; a valve operable for controlling vapor flow through the vapor conduit; a second pressure sensor for monitoring pressure within the vapor conduit; and a vapor accumulator operable with the vapor conduit for accumulating vapor during periods when the valve is in an open position and allowing the accumulated vapor to flow into the source storage container during periods when the valve is in a closed position. 17. A system according to claim 16, further comprising a controller operable for actuating the pump in response to pressure within the liquid conduit and automatically actuating the valve responsive to a preselected pressure level. 18. A system according to claim 16, further comprising a source storage container for carrying a hazardous fluid therein and a target storage container for receiving the hazardous fluid. 19. A system according to claim 16, further comprising a flow sensor for monitoring flow through the liquid conduit. 20. A system according to claim 16, wherein the first pressure sensor is operable downstream of the pump. 21. A system according to claim 16, wherein the second pressure sensor is operable between the valve and the target storage container. 22. A system according to claim 16, wherein the accumulator is operable with the vapor conduit between the valve and the source storage container. 23. A system according to claim 16, wherein the accumulator is a bellows styled container having a variable volume. 24. A system according to claim 16, wherein the liquid is an insecticide.

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Hazardous fluids transfer system and method

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Hazardous fluids transfer system and method

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