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특허 상세정보

Antisweat heater structure

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F25D-021/06   
미국특허분류(USC) 062/275; 062/248
출원번호 US-0638972 (1984-08-08)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Wood, Dalton, Phillips, Mason & Rowe
인용정보 피인용 횟수 : 20  인용 특허 : 4

A refrigeration apparatus having an improved antisweat heater structure for preventing condensation on the front surfaces of the stile and mullion portions of the apparatus cabinet at the access opening thereof selectively closed by a suitable door. The antisweat heater includes heater cable portions having different preselected values of resistance per unit length connected in series so as to develop selective differential heating effect at different areas of disposition thereof. In the illustrated embodiment, the heating effect is concentrated at the o...


1. In a refrigeration apparatus cabinet structure having housing walls defining a refrigerated space opening outwardly through an access opening, and a mullion wall extending across said space between said portions of said housing walls, the improvement comprising: heating means in said cabinet structure for heating said walls to prevent sweating thereon, said heating means being constructed and arranged to provide differential heating of different portions of the walls effectively correspondingly to the tendency for sweating to occur thereon as an in...

이 특허를 인용한 특허 피인용횟수: 20

  1. Cordill Rexford W. (Evansville IN) Woods John T. (Scott Township ; Vanderburgh County IN) Fellwock Louis W. (Sebastian County AR). Adhesive-bonded mullion bracket for household refrigerator. USP1989014801181.
  2. Vogh, III,Richard P.. Anti-condensation control system. USP2008037340907.
  3. Schulak Edward R. ; Ares Roland. Anti-sweat heater improvement for commercial refrigeration. USP2001106301913.
  4. Wagner, Jr., William C.. Door and frame assembly, system and method for commercial coolers and freezers. USP2010027665246.
  5. Stubblefield, Steven O.. Door closing control and electrical connectivity system for refrigerated case. USP2014098845045.
  6. Wetekamp, Robert L.; Van Meter, Kyle B.; Tarrant, Alan G.; Schuchart, Ryan D.; Oliveira, Mauro M.; Miller, Alvin V.; Koppenhaver, Brent A.; Franken, Carl J.; Ferragut, II, Nelson J.; Coulter, Tim L.; Berardi, Greg; Anell, Thomas Carl. Electronic control system for insulated ice compartment for bottom mount refrigerator. USP2009097591141.
  7. Brancheau Harry A. ; Hopkins Dan G. ; Yingst Thomas E. ; Branz Michael A.. Hinged pocket thermal breaker and refrigeration unit. USP2001016178763.
  8. Howington, Larry C.; Eget, Larry W.. Insulated case construction. USP2015109157675.
  9. Oswald, Ian. Method and apparatus for maintaining a uniform temperature in a refrigeration system. USP2011118056349.
  10. Cordill Rexford W. (Evansville IN) Woods John T. (Scott Township ; Vanderburgh County IN) Fellwock Louis W. (Sebastian County AR). Method of making a refrigerator cabinet. USP1989094862577.
  11. Howington, Larry C.; Stubblefield, Steven O.. Modular door system for refrigerated case. USP2014078776439.
  12. Wolanin Gerald L.. Mullion bar retainer arrangement for a refrigerator cabinet. USP1999115992960.
  13. Collins,Clint J.; Olberding,David J.; Tiemeier,Jonathan J.. Notched mullion retainer arrangement for a refrigerator cabinet. USP2008087407240.
  14. Becke,Christoph. Refrigerator. USP200601D514136.
  15. Jang, Suk Ho; Lim, Jae Hoon; Baek, Se Hyeon; Moon, Hong Joo. Refrigerator. USP2015038979224.
  16. Park, Jae Yong; Chu, Hyun Tae; Lee, Hyoung Suk. Refrigerator. USP2014078764133.
  17. Grimm, Brian; Papke, Jeremiah S.; Ramm, Axel Julio; Szczech, Gerald S.; Thomaz, Geraldo Luiz; Wesbrook, Scott M.. Structural stanchion for a cabinet of an appliance. USP20190210215471.
  18. Bunch,John; Malwitz,Bruce G.; Shelby,Stephen Maxwell; Winthur,Matthew. System for preventing condensation on refrigerator doors and frames. USP2007077240501.
  19. Valence John H. (Williamstown WV) Wharton Keith L. (Parkersburg WV). Ultra low temperature split door freezer. USP1997025600966.
  20. Valence John H. ; Wharton Keith L.. Ultra low temperature split door freezer. USP1998045737939.