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특허 상세정보

Heating device for a small appliance

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H05B-003/06    A47J-003/44   
미국특허분류(USC) 219/438 ; 219/439 ; 219/537 ; 219/546
출원번호 US-0735190 (1996-10-25)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 12  인용 특허 : 12
초록

Disclosed is a new heating device for an appliance such as a coffee urn. Such device has a main heating element and a spaced-apart warming element, both of which are embedded in a common casting. The device may be mounted to and removed from an appliance as a single unit and when mounted, the main heating element is closer to the liquid container than the warming element. The elements are vertically spaced from one another and each element has flattened coil portions contacting one another. Such flattened portions minimizes the height of the device. The ...

대표
청구항

In a device for heating water to brew a beverage and having a main heating element and a post-brewing warming element, the improvement wherein: the device includes a rigid metal casting; the main heating element and the warming element are both embedded in the casting; the warming element is generally cylindrical and has portions of coils vertically aligned with one another; and the main heating element has coils vertically-spaced above the coils of the warming element and vertically aligned with the coils of the warming element.

이 특허에 인용된 특허 (12)

  1. Hufnagl Walter (Sulzbach/Ts DEX) Schamberg Stefan (Usingen DEX) Schfer Gerhard (Frankfurt am Main DEX) Mller Roland (Dreieich-Offental DEX) Klawuhn Manfred (Frankfurt am Main DEX). Brewed beverage maker with unpressurized boiler vessel steam generator tube and common heating element. USP1994115367607.
  2. Ho Chung-Kuo (6th Floor ; No. 137-6 ; Yu Hsi St. Yungho ; Taipei Hsien TWX). Dual purpose chafing pot. USP1991024996410.
  3. Fischer Karl (Karl-Fischer-Strasse 23 D-7519 Oberderdingen DEX). Electric hotplate. USP1985034504731.
  4. Kicherer Robert (Knittlingen DEX) Reif Stefan (Oberderdingen DEX). Electric hotplate. USP1987034650969.
  5. Aoshima Terutaka (Toyohashi JPX) Ikemizu Tokihiko (Kasugai JPX). Electric rice cooker with two heaters. USP1980124241288.
  6. Moglia Henry J. (St. Louis MO) Sonnino Carlo B. (St. Louis MO). Electrical resistance heater. USP1980064209686.
  7. Barr George A. (Westminister CO). High wattage surface contact resistance heater. USP1994105352862.
  8. Wells, Robert M.; Wells, Alton R.. Immersion heater and thermostat unit. USP1985094543473.
  9. Lowerre ; Jr. William M. (7458 Colton La. Sudley Station ; Manassas VA 22110). Infusion type beverage maker. USP1982014309940.
  10. Belinkoff Irving R. (Queens Village NY). Percolator partition plate heater assembly. USP1979044147925.
  11. McWilliams Joseph A. (Droitwich GB2). Smooth top cookers. USP1982044327280.
  12. Bardell Kenneth P. (West Bend WI). Structure to secure cast cup containing heating element to percolator reservoir bottom. USP1991065023927.