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특허 상세정보

System and method for water heater protection

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F24H-001/18   
미국특허분류(USC) 392/449; 392/441
출원번호 US-0673577 (2003-09-30)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 5  인용 특허 : 18
초록

The invention comprises a hot water heater system including a hot water tank, a hot water heater; a pressure relief device which is activated when the hot water heater system is in an overpressure or over-temperature condition; a relief line which is engaged when the pressure relief device is activated; and an output device for providing indicia that the pressure relief device is activated. According to other embodiments, the invention includes means for interrupting or reducing water intake and/or power to the system when in an overpressure or over-temp...

대표
청구항

1. A hot water heater system, comprising:a hot water tank;a hot water heater;a pressure relief device which is activated when the hot water heater system is in an overpressure or over-temperature condition;a detector for detecting activation of the pressure relief device;a relief line which is engaged when the pressure relief device is activated; andan output device operatively coupled to said detector for providing at least one of audio and electronically-generated visual indicia that the pressure relief device is activated. 2. The hot water heater syst...

이 특허에 인용된 특허 (18)

  1. Fritz Sammy G.. Combination manifold and check valve for a water heater. USP2001116318403.
  2. Patton Thayer E. (223 Raintree Lane Chattanooga TN 37421). Combination temperature and pressure relief valve with energy cutoff switch. USP1976063961156.
  3. Coffman Rudleigh G. (El Cerrito CA). Combined water meter and pressure regulator. USP1976113990299.
  4. Walker John A. (Northridge CA) Dimitri Dimitri S. (Northridge CA). Electrical fluid heater. USP1976093983359.
  5. Wicks Edward A.. Fire protection system and method using dual-purpose plumbing. USP1998025720659.
  6. Folsom William D.. Freeze-resistant plumbing system in combination with a backflow preventer. USP2001036196246.
  7. Shields Charles H. (Cedar Rapids IA) Kane Gary D. (Cedar Rapids IA). Heating system for machine operator\s cab. USP1980034192456.
  8. Fischel Halbert (14802 Newport Ave. ; Apt. 2D Tustin CA 92680). Hemodialysis system. USP1982124366051.
  9. Folsom William D.. High pressure relief valve for use with a backflow preventer. USP1999095950653.
  10. Moody Ronald W. (5371 N.W. 32 St. Margate FL 33063). Hot water heater failure protection device with solenoid. USP1989024805662.
  11. Sydenstricker Leonard (Rte. 4 ; Box 758 Silver Springs FL 32688). On-demand hot water system. USP1992075129034.
  12. Stoeger Helmut (Herzogstandstrasse 16 82362 Weilheim DEX). Regulating and controlling device for a fluid pressure booster installation. USP1995115464328.
  13. Engstrom Carl A.. Relief valve. USP1999085931190.
  14. Ahern Patrick H. (Monroe NC). Self-tapping pressure relief valve. USP1993095241981.
  15. Schoenfelder James L. (128½E. Washington St. Iowa City IA 52240). Solar heating wall. USP1983084398529.
  16. Miller Louis M. (Dracut MA). Thermal expansion relief arrangement for closed plumbing system. USP1988054745945.
  17. Dunstan Phillip E. (1022 S. 208th St. Seattle WA 98148). Water preheater system. USP1985034503839.
  18. Fidelman George R. (109 Timber Lake Dr. Venetia PA 15367). Water pressure relief method and system for water heaters. USP1994015279319.