[특허]Refrigerator with a water and ice dispenser having a motorized chute extension door

[미국특허] Refrigerator with a water and ice dispenser having a motorized chute extension door 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25C-005/18
출원번호	UP-0421827 (2006-06-02)
등록번호	US-7703297 (2010-05-20)
발명자 / 주소	Bowen, Michael A. Ertz, Lawrence J. Kopf, Bruce A. Martin, Dean A. Leimkuehler, Scott W. Rotter, Chad J.
출원인 / 주소	Maytag Corporation
대리인 / 주소	Goodwin, Kirk W.
인용정보	피인용 횟수 : 9 인용 특허 : 31

초록

A refrigerator having an ice and water dispenser. The dispenser includes an ice chute door actuated by an electric motor for reducing energy consumption over traditional solenoid activated doors.

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What is claimed is: 1. A refrigerator comprising: a cabinet; a refrigerator door attached to the cabinet; an ice and water dispenser in the refrigerator door and having an ice chute for dispensing ice; the ice chute having an ice chute door movable between open and closed positions; an electric motor operably connected to a cam to selectively rotate the cam; and a cam follower operably connected to the ice chute door, the cam follower engaging the cam to move the ice chute door to the open position in response to rotation of the cam. 2. The refrigerator of claim 1 further comprising a switch configured to register the position of an ice chute door as opened or closed. 3. The refrigerator of claim 1 wherein the motor is operated by a switch. 4. The refrigerator of claim 1 further comprising a spring to normally hold the ice chute door in a closed position by the spring. 5. The refrigerator of claim 1 further comprising an actuator switch for energizing the motor when the switch is in an electrically closed state. 6. The refrigerator of claim 1 further comprising an intelligent controller electrically connected to the motor for controlling operation of the motor. 7. The refrigerator of claim 6 further comprising an electrical position switch in communication with the ice chute door and electrically connected to the controller for indicating position of the ice chute door to the controller. 8. The refrigerator of claim 1 further comprising a plurality of gears in communication between the motor and the ice chute door for converting rotational motion of the motor into swinging open motion for the ice chute door. 9. The refrigerator of claim 1, comprising a worm gear between the electric motor and the cam. 10. The refrigerator of claim 9, wherein the cam comprises gear teeth that mesh with the worm gear to be driven by the worm gear. 11. The refrigerator of claim 1, wherein the cam comprises a notch, said notch engaged by the cam follower when the door is in the open position to hold the door in the open potions. 12. The refrigerator of claim 1, wherein: the electric motor has a selectively rotatable output shaft; a first gear is provided on the output shaft; a second gear meshes with and is driven by the first gear; the second gar is fixed to a worm gear shaft such that the rotation of the second gear by the first gear causes rotation of a worm gear; and the worm gear meshes with gear teeth fixed to the cam. 13. An ice and water dispenser for a refrigerator comprising: a body; a dispensing cavity in the body; a water outlet for dispensing into the cavity; an ice outlet for dispensing into the cavity; a door moveable between an open position and a closed position at the ice outlet; and an electric motor with a selectively rotatable output shaft; a first gear on the output shaft; a second gear that meshes with and is driven by the first gear, the second gear being in communication with the door to open and close the door in response to rotation of the output shaft. 14. The dispenser of claim 13 further comprising a cam in communication between the second gear and the door. 15. The dispenser of claim 14 further comprising a cam follower in communication between the cam and the door to pivot the door open and closed in accordance with the cam. 16. The dispenser of claim 13 wherein the door is in the closed position when the dispenser is not dispensing to reduce cold air loss from the refrigerator. 17. An improved refrigerator having an ice and water dispenser through a door on the refrigerator, the dispenser having an outlet for dispensing water and an outlet for dispensing ice, the improvement comprising: a lighted target ring surrounding the dispensers; a chute door for closing the outlet for dispensing ice when the dispenser is not dispensing ice; and an electric motor operatively engaging the chute door for opening and closing the chute door. 18. The refrigerator of claim 17 further comprising a biasing device for holding the chute door closed when the motor is not opening the door. 19. The refrigerator of claim 17 wherein the dispenser further comprises a compressible seal between an ice chute in the dispenser and an ice compartment inside the refrigerator. 20. The refrigerator of claim 17 wherein the dispenser further has a sloped rear wall. 21. The refrigerator of claim 17 wherein the dispenser further comprises a ledge movable between extended and retracted positions.

이 특허에 인용된 특허 (31) 인용/피인용 타임라인 분석

Kamm Christian Philip, Automatic bottom-hinged intake door.
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Stephen Hogdson T.,IEX, Beverage dispensing apparatus.
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Goto Kazuhiro,CAX ; Gyimes Andras,CAX ; Luca Dragos,CAX ; Du Pont Ronal C.,CAX, Co-extruded light pipe.
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Lee,Wook Yong; Chung,Eui Yeop; Oh,Seung Hwan; Lee,Myung Ryul; Seo,Chang Ho; Kim,Seong Jae; Chung,Sung Hoon, Dispenser of icemaker in refrigerator.
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Holet ; Kenneth M. ; Prada ; Luis E., Door control device with closure regulator.
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Prada Luis E. (Louisville KY), Door control device with closure regulator.
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Pink John J. (Cedar Rapids IA), Door delay closing mechanism for the ice chute from a power driven ice dispenser in a freezer-refrigerator.
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Bien David L. (Middleton WI) Jaschinski John J. (Cross Plains WI), Double door refrigerator with ice service through the refrigerator door.
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Stieben William V. ; Gunderson Rick L. ; Prusinski Ronald G. ; Turnbull Robert J., Electrical connector for a refrigerator and method of installing.
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Beach ; Jr. Sammie C. (Greenville MI) Peter Gary R. (Rockford MI) Unger Larry E. (Southside AL), Ice dispenser.
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Jacobus, Dwight William; Bewley, Wilbur C.; Merryman, Bob D.; Dehli, Diane M., Ice dispenser duct door mechanism.
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Lee Byoung-In,KRX ; Ji Joon-Dong,KRX, Ice dispenser for refrigerator.
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Herndon,Steven G.; Koons,Bill; Devlin,Steven L.; Roberts,John A.; Jones,Anna M., Ice dispenser for refrigerator with bottom mount freezer.
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Nelson Mark H. ; Pastryk Jim J. ; Myers Verne H. ; Harmon Daryl L. ; Oltman Andrew M. ; Hortin Gregory G. ; Peterson James R. ; Cuthbert Victor W ; Tolliver Steven E., Ice making and storage system for a refrigerator.
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Lee,Wook Yong; Lee,Myung Ryul; Oh,Seung Hwan; Chung,Fui Yeop, Ice supplying device of refrigerator.
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Mukai, Kenji, Illumination light supply system.
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Pashley, Michael D.; Marshall, Thomas M.; Saalberg, Ans; McColloch, Larry, LED illumination for cold storage compartments.
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Bussan Marc R. (Knights Township ; Vanderburgh County IN) Winternheimer Sylvester A. (Center Township ; Vanderburgh County IN), Lighting system for appliance dials.
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Hagemeyer Cook Lori Ann (Scott Township ; Vanderburgh County IN) Guess Ronald W. (Evansville IN) Williams Stephen G. (Ohio Township ; Warrick County IN), Low cost flexible lighting method for appliances.
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Ott Lester J. (Swisher IA) Midlang Brian M. (Cedar Rapids IA), Refrigerator ice dispenser light with photosensitive switch.
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Lindenschmidt ; Robert Edward, Refrigerator ice door mechanism.
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Voglewede, Ronald L.; Glotzbach, Mark E., Refrigerator unit with lighted ice dispenser cavity.
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Lee, Myung Ryul; Lee, Wook Yong; Chung, Eui Yeop, Refrigerator with icemaker.
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Lee,Myung Ryul; Kim,Seong Jae; Seo,Chang Ho; Chung,Sung Hoon, Refrigerator with icemaker.
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Hed Aharon Zeev, Remote illumination and light apportionment in appliances.
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Najewicz, David Joseph, Thermoelectric icemaker and control.
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Unger Larry E. (Southside AL), Through the door water and ice dispenser.
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Unger Larry E. (Southside AL), Through the door water and ice dispenser.
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Unger Larry E. (Southside AL), Through the door water and ice dispenser.
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Fisher Michael H. (Princeton IN) Kelley Brian P. (Ohio Township ; Warrick County IN) Hortin Gregory G. (Center Township ; Vanderburgh County IN), Top mount refrigerator with exterior ice service.
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Miyamoto Hideshi,JPX ; Kimura Takashi,JPX, Weighing apparatus having improved hopper detachability.
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이 특허를 인용한 특허 (9) 인용/피인용 타임라인 분석

Mitchell, Alan Joseph, Apparatus for dispensing liquids and solids.
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Hardesty, Terry D.; Bortoletto, Anderson; Harings, Ryan, Control system for a door of an ice dispenser chute.
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Jeong, Kyung Han; Kim, Seong Jae; Kim, Dong Jeong, Dispenser and refrigerator including the same.
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Coulter, Tim Lee; Gose, Thomas E.; Herndon, Steven G.; Jenkins, James H.; Koons, Bill J.; Kramer, Brent A.; Leimkuehler, Scott W.; Martin, Dean A.; Miller, Alvin V.; Noel, Kevin Lee; Oliveira, Mauro M.; Ott, Lester J.; Paulsen, Ron S.; Rotter, Chad J.; Stauffer, David Allen; Van Meter, Kyle B.; Welch, Alan M.; Wetekamp, Robert L., Ice compartment assembly for refrigerator.
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Berger, Justin Daniel; Krause, Andrew Reinhard, Ice dispenser duct door motor with adjustable drive.
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Bowen, Michael A.; Ertz, Lawrence J.; Kopf, Bruce A.; Martin, Dean A.; Leimkuehler, Scott W.; Rotter, Chad J., In-door ice chute.
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Coulter, Tim Lee; Gose, Thomas E.; Herndon, Steven G.; Jenkins, James H.; Koons, Bill J.; Kramer, Brent A.; Leimkuehler, Scott W.; Martin, Dean A.; Miller, Alvin V.; Noel, Kevin Lee; Oliveira, Mauro M.; Ott, Lester J.; Paulsen, Ron S.; Rotter, Chad J.; Stauffer, David Allen; Van Meter, Kyle B.; Welch, Alan M.; Wetekamp, Robert L., In-door ice chute.
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Coulter, Tim Lee; Gose, Thomas E.; Herndon, Steven G.; Jenkins, James H.; Koons, Bill J.; Kramer, Brent A.; Leimkuehler, Scott W.; Martin, Dean A.; Miller, Alvin V.; Noel, Kevin Lee; Oliveria, Mauro M.; Ott, Lester J.; Paulsen, Ron S.; Rotter, Chad J.; Stauffer, David Allen; Van Meter, Kyle B.; Welch, Alan M.; Wetekamp, Robert L., In-door ice chute.
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Hapke, Kenyon A., Rotary actuator for energy efficient ice cube dispenser door system.
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[미국특허] Refrigerator with a water and ice dispenser having a motorized chute extension door 원문보기

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[미국특허] Refrigerator with a water and ice dispenser having a motorized chute extension door 원문보기

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이 특허에 인용된 특허 (31) 인용/피인용 타임라인 분석

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