DE69202440T2 - Immersionsheizer. - Google Patents

Immersionsheizer.

Info

Publication number
DE69202440T2
DE69202440T2 DE69202440T DE69202440T DE69202440T2 DE 69202440 T2 DE69202440 T2 DE 69202440T2 DE 69202440 T DE69202440 T DE 69202440T DE 69202440 T DE69202440 T DE 69202440T DE 69202440 T2 DE69202440 T2 DE 69202440T2
Authority
DE
Germany
Prior art keywords
immersion heater
immersion
heater
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69202440T
Other languages
English (en)
Other versions
DE69202440D1 (de
Inventor
Leslie Arthur Birt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LAWRENCE PLC, NEW MALDEN, SURREY, GB
Original Assignee
LAWRENCE PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB919124704A external-priority patent/GB9124704D0/en
Priority claimed from GB929210882A external-priority patent/GB9210882D0/en
Application filed by LAWRENCE PLC filed Critical LAWRENCE PLC
Publication of DE69202440D1 publication Critical patent/DE69202440D1/de
Application granted granted Critical
Publication of DE69202440T2 publication Critical patent/DE69202440T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/0297—Heating of fluids for non specified applications
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/06—Arrangements for heating or lighting in, or attached to, receptacles for live fish
    • A01K63/065—Heating or cooling devices
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
    • G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
    • G05D23/1931—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of one space
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/78—Heating arrangements specially adapted for immersion heating
    • H05B3/80—Portable immersion heaters

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Environmental Sciences (AREA)
  • Remote Sensing (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Resistance Heating (AREA)
  • Farming Of Fish And Shellfish (AREA)
DE69202440T 1991-11-21 1992-11-20 Immersionsheizer. Expired - Fee Related DE69202440T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919124704A GB9124704D0 (en) 1991-11-21 1991-11-21 Improved immersible heater
GB929210882A GB9210882D0 (en) 1992-05-21 1992-05-21 Improved immersible heater

Publications (2)

Publication Number Publication Date
DE69202440D1 DE69202440D1 (de) 1995-06-14
DE69202440T2 true DE69202440T2 (de) 1996-01-04

Family

ID=26299896

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69202440T Expired - Fee Related DE69202440T2 (de) 1991-11-21 1992-11-20 Immersionsheizer.

Country Status (3)

Country Link
EP (1) EP0543655B1 (de)
DE (1) DE69202440T2 (de)
DK (1) DK0543655T3 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4344341A1 (de) * 1993-12-23 1995-07-06 Elpag Ag Chur Rohrheizkörper mit Überlastsicherung und Temperaturfühler
ITVI940068A1 (it) * 1994-05-11 1994-08-11 Hydor Srl Termoriscaldatore compatto ad immersione, particolarmente per acquari.
US5834742A (en) * 1995-02-10 1998-11-10 Nihon Doubutsu Yakahin Kabushikigaisya Heater for aquarium fish tank
GB2326990A (en) * 1997-07-04 1999-01-06 Philip Ronald Day Combined temperature and earth probe for aquarium
FR2793104B1 (fr) * 1999-04-29 2001-06-15 Moulinex Sa Procede de pilotage d'un element chauffant d'appareil electrique de chauffage de liquide
US6555797B2 (en) * 2000-01-26 2003-04-29 Rena France Fully submersible immersion heater
US7652888B2 (en) 2005-04-11 2010-01-26 Watlow Electric Manufacturing Company Controller housing with connector retention assembly and method
US8044329B2 (en) 2005-04-11 2011-10-25 Watlow Electric Manufacturing Company Compact limiter and controller assembly and method
WO2006110878A2 (en) * 2005-04-11 2006-10-19 Watlow Electric Manufacturing Company Power controller assembly and method
US7293914B2 (en) * 2005-10-28 2007-11-13 Eiko Electric Products Corp. Temperature detecting heater with indicating structure for aquarium

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3746836A (en) * 1971-12-15 1973-07-17 Mattel Inc Aquarium heater
US4124793A (en) * 1978-01-13 1978-11-07 Metaframe Corporation Aquarium water heater
US4379220A (en) * 1979-05-11 1983-04-05 Raychem Corporation Method of heating liquid
DE2927280A1 (de) * 1979-07-06 1981-01-08 Eugen Jaeger Gmbh Aquarienheizer
GB2074825A (en) * 1980-04-11 1981-11-04 Liquifry Co Ltd Electrical water-heater
GB2163328B (en) * 1984-08-11 1987-12-09 Ronald Edward Hester Tank heater
US4631626A (en) * 1985-09-27 1986-12-23 Honeywell Inc. Temperature controller with temperature limiting sensor

Also Published As

Publication number Publication date
DE69202440D1 (de) 1995-06-14
EP0543655B1 (de) 1995-05-10
DK0543655T3 (da) 1995-07-17
EP0543655A1 (de) 1993-05-26

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: LAWRENCE PLC, NEW MALDEN, SURREY, GB

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee