[특허]Control system for measuring load imbalance and optimizing spin speed in a laundry washing machine

[미국특허] Control system for measuring load imbalance and optimizing spin speed in a laundry washing machine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	D06F-033/02
출원번호	US-0344170 (1999-06-24)
발명자 / 주소	Mats Gunnar Bruce Christopher Andrew Oswald Albert Ford Adcock
출원인 / 주소	Ipso-USA, Inc.
대리인 / 주소	Adams, Schwartz & Evans, P.A.
인용정보	피인용 횟수 : 15 인용 특허 : 22

초록

A control system for measuring load imbalance in a laundry washing machine having a non-vertical axis of drum rotation, and then using the value obtained for the load imbalance to calculate a maximum permissible angular velocity for the drum during the water extraction cycle.

대표청구항 ▼

1. A laundry washing machine, comprising:a. a rotatable drum for receiving the laundry to be washed, with said rotatable drum having a non-vertical axis of rotation; b. an electrically energized drive motor, with means connecting said drive motor to said drum so that said drum rotates with said drive motor; c. electrical control means connected to said drive motor and effective to measure the amplitude of variation in the power phase angle of said drive motor; to compute the magnitude of the unbalanced mass within said drum based on said amplitude of variation in the power phase angle; to compute an optimum angular velocity for said drum during the water extraction cycle based on said computed magnitude of said unbalanced mass; and to energize said drive motor so as to accelerate said drum to said optimum angular velocity.

이 특허에 인용된 특허 (22) 인용/피인용 타임라인 분석

Unsworth Peter J. (Lewes GB2), Apparatus and methods for controlling induction motors.
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Knoop Donald E. (Royalton Township ; Berrien County MI) Mundy David W. (St. Joseph Township ; Berrien County MI), Automatic liquid control system for a clothes washing machine.
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Ross Frank E. (Newton IA), Automatic liquid level control.
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Torita Fumio (Nagoya JPX), Automatic washer.
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Alley Robert P. (Manlius NY) Weischedel Richard C. (Camillus NY), Clock rate control of electronically commutated motor rotational velocity.
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Chbat Nicolas Wadih ; Badami Vivek Venugopal, Clothes load estimation method and washing machine.
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Stich Frederick A. (Milwaukee WI) Schwantes Glenn W. (Milwaukee WI), Electronic commutation system having motor stator windings in push-pull.
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Duncan Gerald D. (Remuera NZX), Electronic motor controls, laundry machines including such controls and/or methods of operating such controls.
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Payne Thomas R. (Louisville KY) Rice Steven A. (Louisville KY) McKnight ; Jr. Richard E. (Louisville KY) Wead William W. (Louisville KY), Electronic washer control including automatic balance, spin and brake operations.
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Payne Thomas R. (Louisville KY) Rice Steven A. (Louisville KY) Able Douglas A. (Louisville KY) Dickerson ; Jr. Donald R. (Louisville KY), Electronic washer control including automatic load size determination, fabric blend determination and adjustable washer.
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Thuruta Sizuo (Kitaibaraki JPX) Takeda Yoshiaki (Hitachi JPX) Hiyama Isao (Hitachi JPX) Kubo Kenichi (Hitachi JPX) Ohonishi Toshikazu (Hitachi JPX) Tobita Hideyuki (Hitachi JPX) Shikamori Tamotu (Iba, Fully-automated washer.
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Unsworth Peter J. (East Sussex GB2) Tao Jinghan (Shorewood WI), Method and apparatus for detecting current delay angle from motor terminal voltage.
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Baek Seung Myun,KRX ; Baek Seung Taek,KRX ; Lim Jeong Hyun,KRX, Method and control apparatus of detecting eccentricity in drum washing machine.
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Didier Laurent (La Roche sur Yon FRX) Geay Jean C. (St. Florent des Bois FRX), Method for determining a moment of inertia of clothes in a washing and/or drying machine.
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Blauert Peter (Berlin DEX) Bldt Frank (Berlin DEX) Wbkemeier Martina (Berlin DEX) Pilgram Paul T. (Mnchen DEX) Rehfuess Ulrich (Mnchen DEX), Method for determining the mass of wet laundry in a laundry drum.
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Steers Michel (Chennevieres-sur-Marne FRX) Hazan Jean-Pierre (Sucy-en-Brie FRX), Method of determining the average nature of the materials of the laundry in a laundry washing machine and washing machin.
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Rowan Timothy M. (Wauwatosa WI) DeLange Robert J. (St. Francis WI), Motor stoppage apparatus and method using back emf voltage.
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Knoop Donald E. (Royalton Township ; Berrien County MI), Pressure sensing automatic water level control.
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Tsuboi Takashi (Katsuta JA), Regenerative brake control system for DC motor.
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Park John N. (Rexford NY), Single transistor power control circuit for a DC motor washing machine drive.
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Kawaguchi Tomonari,JPX ; Suo Kiyoyuki,JPX, Spin extractor.
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Torita Fumio (Nagoya JPX) Ikeda Naotaka (Yokohama JPX) Nakamura Kimihiko (Seto JPX) Matsuo Katsuharu (Aichi JPX) Hotta Tomio (Kuwana JPX) Makino Yoshiyuki (Nagoya JPX), Washings weight detection and washing operation control system.
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이 특허를 인용한 특허 (15) 인용/피인용 타임라인 분석

Ashrafzadeh, Farhad; Janke, Brian P.; Richmond, Peter J.; Silva, Marcelo C.; Stanziola Teixeira, Rodrigo, Apparatus for redistributing an imbalance in a laundry treating appliance.
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Lueckenbach,William Henry; Hoppe,Christopher Gregory, Clothes washer agitation time and speed control apparatus.
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Jalbout, Bassam D.; Wong, Brian, Control of light intensity using pulses of a fixed duration and frequency.
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Altinier, Fabio; Galassi, Stefano; Giovagnoni, Marco, Household laundry washing machine with improved spinning phase.
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Dawe,Roger Michael, Laundry appliance.
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Croxton,Timothy Dean, Laundry machine control system for load imbalance detection and extraction speed selection.
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Ashrafzadeh, Farhad; Bellinger, Ryan R., Laundry treating appliance with tumble pattern control.
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Ciancimino, Rosario; Sharp, Brenner Martin; Stenger, Gerald C., Load unbalanced prediction method and apparatus in an appliance.
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Ciancimino, Rosario; Sharp, Brenner Martin; Stenger, Gerald C., Method and apparatus for detecting load unbalance in an appliance.
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Miller, Christoph J.; Spindler, Paul F., Method and apparatus for determining an unbalance condition in a laundry treating appliance.
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Zeh, Stefan; Weinmann, Martin, Method of determining the imbalance of a laundry drum.
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Weinmann,Martin, Method of determining the loading of the drum of a laundry treatment machine.
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Dokonal, Luiz Von; Ribas Junior, Fernando A., Method, system, and device for adjusting operation of washing machine based on system modeling.
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Jalbout, Bassam D.; Wong, Brian, Methods and systems for controlling electrical power to DC loads.
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Jalbout, Bassam D.; Wong, Brian, Traction system for electrically powered vehicles.
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[미국특허] Control system for measuring load imbalance and optimizing spin speed in a laundry washing machine 원문보기