System and method for a variable home position dispense system
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F04B-013/00
F04B-049/06
출원번호
US-0554746
(2012-07-20)
등록번호
US-8814536
(2014-08-26)
발명자
/ 주소
Laverdiere, Marc
Cedrone, James
Gonnella, George
Gashgaee, Iraj
Magoon, Paul
King, Timothy J.
출원인 / 주소
Entegris, Inc.
대리인 / 주소
Sprinkle IP Law Group
인용정보
피인용 횟수 :
5인용 특허 :
148
초록▼
Embodiments of the invention provide a system, method and computer program product for reducing the hold-up volume of a pump. More particularly, embodiments of the invention can determine, prior to dispensing a fluid, a position for a diaphragm in a chamber to reduce a hold-up volume at a dispense p
Embodiments of the invention provide a system, method and computer program product for reducing the hold-up volume of a pump. More particularly, embodiments of the invention can determine, prior to dispensing a fluid, a position for a diaphragm in a chamber to reduce a hold-up volume at a dispense pump and/or a feed pump. This variable home position of the diaphragm can be determined based on a set of factors affecting a dispense operation. Example factors may include a dispense volume and an error volume. The home position for the diaphragm can be selected such that the volume of the chamber at the dispense pump and/or feed pump contains sufficient fluid to perform the various steps of a dispense cycle while minimizing the hold-up volume. Additionally, the home position of the diaphragm can be selected to optimize the effective range of positive displacement.
대표청구항▼
1. A pumping system, comprising: a pump having a chamber and a diaphragm, the chamber having a fluid capacity; anda pump controller coupled to the pump, the pump controller being operable to: determine a position for the diaphragm in the chamber based on a set of factors affecting a dispense operati
1. A pumping system, comprising: a pump having a chamber and a diaphragm, the chamber having a fluid capacity; anda pump controller coupled to the pump, the pump controller being operable to: determine a position for the diaphragm in the chamber based on a set of factors affecting a dispense operation, the set of factors comprising a dispense volume and a desired hold-up volume; andprior to dispensing a fluid from the pumping system, control the pump to move the diaphragm in the chamber to the position that has been determined based on the set of factors affecting the dispense operation, the position of the diaphragm in the chamber defining a maximum volume in the chamber for a dispense cycle, wherein the maximum volume in the chamber for the dispense cycle includes the dispense volume and the desired hold-up volume and wherein the maximum volume in the chamber for the dispense cycle is less than the fluid capacity of the chamber. 2. The pumping system of claim 1, wherein the pump is a single stage pump. 3. The pumping system of claim 1, wherein the pump is a multi-stage pump. 4. The pumping system of claim 1, wherein the pump is a dispense pump. 5. The pumping system of claim 4, further comprising a feed pump having a feed chamber and a feed stage diaphragm to move within the feed chamber, a piston to move the feed stage diaphragm, and a feed motor to drive the piston, the feed motor being controlled by the pump controller. 6. The pumping system of claim 1, wherein the pump is a feed pump. 7. The pumping system of claim 6, further comprising a dispense pump having a dispense chamber and a dispense stage diaphragm to move within the dispense chamber, a piston to move the dispense stage diaphragm, and a dispense motor to drive the piston, the dispense motor being controlled by the pump controller. 8. The pumping system of claim 1, wherein the set of factors affecting the dispense operation further comprises an error volume, a dispense rate, dispense time, a purge volume, a suckback volume, a vent volume, a predispense rate, a predispense volume, an effective range of the pump, a user defined volume, or a combination thereof. 9. The pumping system of claim 1, wherein the set of factors affecting the dispense operation further comprises a number of counts to displace the dispense volume, each count corresponding to a displacement of the diaphragm. 10. The pumping system of claim 1, wherein the pump is controlled by the pump controller to move the diaphragm in the chamber to the position after a filtration cycle has ended. 11. The pumping system of claim 1, wherein the pump further comprises a motor and wherein the diaphragm is driven by the motor, the motor being controlled by the pump controller. 12. The pumping system of claim 11, wherein the pump further comprises a position sensor, the motor being controlled by the pump controller utilizing real time feedback from the position sensor. 13. A method for reducing a hold-up volume of a pump, comprising: determining a position for a diaphragm in a chamber of the pump based on a set of factors affecting a dispense operation, the set of factors comprising a dispense volume and a desired hold-up volume, the chamber having a fluid capacity; andprior to dispensing a fluid, controlling the pump to move the diaphragm in the chamber to the position that has been determined based on the set of factors affecting the dispense operation, the position of the diaphragm in the chamber defining a maximum volume in the chamber for a dispense cycle, wherein the maximum volume in the chamber for the dispense cycle includes the dispense volume and the desired hold-up volume and wherein the maximum volume in the chamber for the dispense cycle is less than the fluid capacity of the chamber. 14. The method of claim 13, wherein the desired hold-up volume corresponds to a volume of the pump that is outside an effective range of the pump. 15. The method of claim 13, wherein the pump is a single stage pump. 16. The method of claim 13, wherein the pump is a multi-stage pump. 17. The method of claim 13, wherein the set of factors affecting the dispense operation further comprises an error volume, a dispense rate, dispense time, a purge volume, a suckback volume, a vent volume, a predispense rate, a predispense volume, an effective range of the pump, a user defined volume, or a combination thereof. 18. The method of claim 13, wherein the set of factors affecting the dispense operation further comprises a number of counts to displace the dispense volume, each count corresponding to a displacement of the diaphragm. 19. The method of claim 13, wherein the pump is controlled by the pump controller to move the diaphragm in the chamber to the position after a filtration cycle has ended. 20. The method of claim 13, wherein the pump further comprises a motor and a position sensor, and wherein the diaphragm is driven by the motor, the motor being controlled by the pump controller utilizing real time feedback from the position sensor.
Raphael Ian P. (112 Ross Creek Ct. Los Gatos CA 95032), Detector system using extremely low power to sense the presence or absence of an inert or hazardous fuild.
Eberle,Wilfried; Klatte,Heiner, Device for providing wall ducts for, and process of assembling, conduits, tubing or electric cables for motor vehicles.
Snodgrass Ocie T. (Garland TX) Farney Michael K. (Perryton TX) Gibson Gregory M. (Dallas TX), Filtering and dispensing system with independently activated pumps in series.
Proulx,Stephen; Perivolotis,George; Lin,Zhenwu; Straeffer,Gregory; Gagne,George A.; King,Kenneth; Stankowski,Ralph J., Filtration cartridge and process for filtering a slurry.
Story Carl E. (Cupertino CA) Nichols Jerry A. (San Jose CA) Cady Byron C. (Gilroy CA), Fluid pumping apparatus and system with leak detection and containment.
Biederstadt Clifford ; Costello Gerald B. ; Heiser ; Jr. Arthur J., High precision fluid pump with separating diaphragm and gaseous purging means on both sides of the diaphragm.
Khoshnevisan Mohsen (Newbury Park CA) Schoenwald Jeffrey S. (Thousand Oaks CA) Rode Jonathan P. (Westlake Village CA) Smith Raymond J. D. (Newbury Park CA) Kolloff Bruce G. (Sussex NJ) Beccue Steve (, High resolution optical hybrid absolute incremental position encoder.
Davlin, Karl A.; Tannous, Adel George; Loudermilk, Alan R., Input/output control systems and methods having a plurality of master and slave controllers.
Bowers William F. (Topsfield MA) Hunt Stephen G. (N. Billerica MA), Integrated system for filtering and dispensing fluid having fill, dispense and bubble purge strokes.
Tanny Mark N. (Brownsville VT) LeBlanc Raymond A. (Springfield VT) Bensley Douglas S. (Springfield VT) Zeitz Vernon W. (N. Springfield VT) Barney John E. (Springfield VT), Linear liquid dispensing pump for dispensing liquid in nanoliter volumes.
Volk ; Jr. Joseph A. (Creve Coeur MO) Kniepmann Mark R. (Florissant MO) Harvengt Thomas M. (St. Louis MO), Liquid scale and method for liquid ingredient flush thereof.
Wilmer, Jeffrey Alexander; Mackenzie, Daniel Kase; Lull, John Michael; Zadai, Eric A.; Walker, Michael Loren, Method and apparatus for blending process materials.
Burgess Roy T. (Troy MI) Gunda Rajamouli (Rochester Hills MI) Herta Frank (Kewadin MI) Hodges Robert C. (Troy MI) Kessler James A. (Troy MI) Leemhuis Richard S. (Rochester Hills MI) McCarty Michael R, Power transmission.
Honganen Ronald E. (600 Marathon Dr. Campbell CA 95008) Howe Robert L. (273 Marsh Dr. San Ramon CA 98543) Miller Leslie A. (4150 Piper Dr. San Jose CA 95117), Process for controlling a pump to account for compressibility of liquids in obtaining steady flow.
Patzke Robert C. (Prospect Heights IL) DeRyke Thomas V. (Libertyville IL) Ernohazy Stephen (Mount Prospect IL) Oddo Eugene P. (Mount Prospect IL), Pump and metering device.
Laverdiere, Marc; Cedrone, James; Gonnella, George; Gashgaee, Iraj; Magoon, Paul; King, Timothy J., System and method for a variable home position dispense system.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.