[특허]Beverage dispenser control valve and ratio control method therefor

[미국특허] Beverage dispenser control valve and ratio control method therefor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B67D-005/00
출원번호	US-0355670 (1989-05-23)
발명자 / 주소	Hoover George H. (Marietta GA) Whigham Roger C. (Atlanta GA) Ellis Annie T. (Smyrna GA) Highberger Gary G. (Dunwoody GA)
출원인 / 주소	The Coca-Cola Company (Atlanta GA 02)
인용정보	피인용 횟수 : 54 인용 특허 : 15

초록 ▼

A multiflavor beverage dispenser comprises a microprocessor system for controlling the ratio of diluent to concentrate of a post-mix beverage. The system includes a compact flow rate control module for selectively controlling the flow rates of liquids in a plurality of flow passages leading to nozzle assemblies of the dispenser. Each flow rate control module includes a single stepper motor connected to a rotary spool valve for selectively controlling the flow rate of the liquids. The microprocessor system utilizes variable reference signals which are ramped to approximately correspond to the actual flow rate of the liquid towards a target in order to reduce overshoot values of the flow rates. A scaling function is provided by the microprocessor system to adjust target flow rates between pours in order to achieve consistent controlled ratios of the beverage being dispensed.

대표청구항 ▼

A flow rate control assembly for selectively controlling the flow rate of a plurality of liquids comprising: (a) a plurality of flow passages for said plurality of liquids; (b) a common bore intersecting each of said flow passages; (c) a movable valve element in said bore having a plurality of flow channels therethrough, one channel for each flow passage, said channels being alignable in controlled degrees with said flow channels, between fully aligned and fully unaligned positions; (d) a single motor for moving the channels of said valve element in said controlled degrees between said fully aligned positions and said fully unaligned positions to control the flow rate of liquid through each flow passage; (e) a valve in each of said flow passages having an open position and a closed position for initiating or stopping flow, respectively, in the associated passage; and (f) selector means for selectively opening one of said valves in the respective flow passages and closing the others to enable said single motor and valve element in the common bore to control the flow rate of liquid in the flow passage having the valve therein. A method for dispensing a liquid at a desired controlled flow rate through a conduit comprising: (a) determining the actual flow rate of liquid in the conduit and generating a flow rate signal; (b) generating target flow rate signal for the liquid in the conduit; (c) reference signal generator means for generating variable reference flow rate signals associated with the desired controlled liquid flow rate; (d) comparing the liquid flow rate signals with the variable reference flow rate signals and generating error signals indicative of the differences between the liquid flow rate signals and the variable reference flow rate signals; (e) changing the actual flow rate in the conduit toward a value equal to the variable reference flow rate signal until the error signal equals approximately zero; and (f) gradually varying the variable reference flow rate signals toward the target flow rate signal.

이 특허에 인용된 특허 (15) 인용/피인용 타임라인 분석

Scherer William C. (Minneapolis MN) Vincent Raymond A. (Detroit MI), Automatic proportioning paint spray system.
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Agarwal Suresh C. (Euclid OH), Blending control system.
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Gunda Rajamouli (Rochester Hills MI), Control system for injection molding machine.
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Zeitz Vernon (4 Plain Hill Rd. Springfield VT 05156), Digital proportional metering pumping system.
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Kays Sandra E. (515 Milledge Heights Athens GA 30606), Electronic liquid application rate monitoring system.
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Halsey Richard J. (Grandview MO) Heillman Melvin R. (Kansas City MO), Electronic system device for control of ingredient dispensing in a cup beverage vendor.
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Upton Douglas J. (18740 Devonshire Northridge CA 91324), Fluid dispensing control system.
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Pounder Edwin (LaCanada CA) Arena Alan J. (Chino CA) Pawlowski Michael (Chino CA) Totten Adrian M. (El Monte CA), Fluid dispensing system.
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Cocks Eric H. (4100 Galt Ocean Dr. Fort Lauderdale FL 33308), Fluid spray control system.
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Desai Mahendrakumar D. (Colonia NJ) Henderson Drew (Georgetown CT), Foodstuff vending apparatus employing improved solid-state type control apparatus.
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Backe Bengt S. (Dundee IL) Durham La Moyne W. (Bartlet IL), Method and apparatus for controlling hydraulic systems.
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Wiley Ronald L. (Marietta GA) Chase Kathryn M. (Atlanta GA) Ellis Annie T. (Smyrna GA) Whigham Roger C. (Atlanta GA), Narrow, multiflavor beverage dispenser valve assembly and tower.
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Chandra Rangasami Sarat (Davenport IA) Stone Kirby Lee (Cincinnati OH), Ratio controlled mixing of liquids.
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Anderson ; Jr. William L. (Houston TX) Moyers Michael E. (Spring TX), Valve manifold for a differential pressure transmitter.
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이 특허를 인용한 특허 (54) 인용/피인용 타임라인 분석

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Underwood, Lee, Control apparatus for a liquid dispense system.
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Pan,Shun I, Controlled dispensing device.
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Keith Heyes GB, Diluent change over dispense apparatus.
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Lim, Stephen; Sisler, Christine J.; Badimon, Mathieu R.; D'Amore, Massimo F.; Durham, Mikel; Flohr, Camiel; Vail, John W., Dispensing system and user interface.
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Lim, Stephen; Sisler, Christine J.; Badimon, Mathieu R.; d'Amore, Massimo F.; Durham, Mikel; Flohr, Camiel; Vail, John W., Dispensing system and user interface.
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Ohmi, Tadahiro; Saito, Masahito; Hino, Shoichi; Shimazu, Tsuyoshi; Miura, Kazuyuki; Nishino, Kouji; Nagase, Masaaki; Sugita, Katsuyuki; Hirata, Kaoru; Dohi, Ryousuke; Hirose, Takashi; Shinohara, Tsutomu; Ikeda, Nobukazu; Imai, Tomokazu; Yoshida, Toshihide; Tanaka, Hisashi, Flow rate range variable type flow rate control apparatus.
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Ohmi, Tadahiro; Saito, Masahito; Hino, Shoichi; Shimazu, Tsuyoshi; Miura, Kazuyuki; Nishino, Kouji; Nagase, Masaaki; Sugita, Katsuyuki; Hirata, Kaoru; Dohi, Ryousuke; Hirose, Takashi; Shinohara, Tsutomu; Ikeda, Nobukazu; Imai, Tomokazu; Yoshida, Toshihide; Tanaka, Hisashi, Flow rate range variable type flow rate control apparatus.
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Ohmi, Tadahiro; Nishino, Kouji; Dohi, Ryousuke; Ikeda, Nobukazu; Nagase, Masaaki; Hirata, Kaoru; Sugita, Katsuyuki; Shinohara, Tsutomu; Hirose, Takashi; Imai, Tomokazu; Yoshida, Toshihide; Tanaka, Hisashi, Gasket type orifice and pressure type flow rate control apparatus for which the orifice is employed.
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Hecht, Thomas R.; Feng, Jun; Brodsky, Boris; Martindale, Richard A., Touch screen interface for a beverage dispensing machine.
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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)
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[미국특허] Beverage dispenser control valve and ratio control method therefor 원문보기

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