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DK298489A - Fremgangsmaade og apparat til at opretholde en minimumstemperatur for vaesker i roer - Google Patents

Fremgangsmaade og apparat til at opretholde en minimumstemperatur for vaesker i roer Download PDF

Info

Publication number
DK298489A
DK298489A DK298489A DK298489A DK298489A DK 298489 A DK298489 A DK 298489A DK 298489 A DK298489 A DK 298489A DK 298489 A DK298489 A DK 298489A DK 298489 A DK298489 A DK 298489A
Authority
DK
Denmark
Prior art keywords
citizens
maintaining
procedure
minimum temperature
minimum
Prior art date
Application number
DK298489A
Other languages
English (en)
Other versions
DK298489D0 (da
Inventor
Martinus Adrianus Breij
John William Shanks
Original Assignee
Martinus Adrianus Breij
John William Shanks
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 GB888814418A external-priority patent/GB8814418D0/en
Application filed by Martinus Adrianus Breij, John William Shanks filed Critical Martinus Adrianus Breij
Publication of DK298489D0 publication Critical patent/DK298489D0/da
Publication of DK298489A publication Critical patent/DK298489A/da

Links

Classifications

    • 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
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/09—Component parts or accessories
    • E03B7/10—Devices preventing bursting of pipes by freezing
    • E03B7/12—Devices preventing bursting of pipes by freezing by preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/30—Heating of pipes or pipe systems
    • F16L53/35—Ohmic-resistance heating
    • F16L53/38—Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/08—Pipe-line systems for liquids or viscous products
    • F17D1/16—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity
    • F17D1/18—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity by heating
    • 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
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • 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
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/54—Heating elements having the shape of rods or tubes flexible
    • H05B3/56—Heating cables

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Resistance Heating (AREA)
  • Pipe Accessories (AREA)
DK298489A 1988-06-17 1989-06-16 Fremgangsmaade og apparat til at opretholde en minimumstemperatur for vaesker i roer DK298489A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888814418A GB8814418D0 (en) 1988-06-17 1988-06-17 Apparatus & method for preventing freezing of water pipes
GB888826991A GB8826991D0 (en) 1988-06-17 1988-11-18 Apparatus & method for maintaining minimum temperature for liquids in pipes

Publications (2)

Publication Number Publication Date
DK298489D0 DK298489D0 (da) 1989-06-16
DK298489A true DK298489A (da) 1989-12-18

Family

ID=26294038

Family Applications (1)

Application Number Title Priority Date Filing Date
DK298489A DK298489A (da) 1988-06-17 1989-06-16 Fremgangsmaade og apparat til at opretholde en minimumstemperatur for vaesker i roer

Country Status (4)

Country Link
EP (1) EP0347124B1 (da)
DE (1) DE68901309D1 (da)
DK (1) DK298489A (da)
NO (1) NO892522L (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2044825C (en) * 1991-06-18 2004-05-18 Marc A. Paradis Full-range, high efficiency liquid chiller
FR2761386B1 (fr) * 1997-03-25 1999-09-03 Raoul Girod Dispositif empechant la rupture d'une canalisation en cas de gel
NL1014305C1 (nl) * 2000-02-07 2001-08-08 Inalfa Ares Energy Systems B V Zonneboiler.
EP2614286A2 (en) * 2010-09-09 2013-07-17 Certek Heat Machine USA, LLC Pipeline fluid heating system
EP2614015A4 (en) 2010-09-09 2017-12-13 Certek Heat Machine Inc. Dugout heating system
GB2493753A (en) * 2011-08-17 2013-02-20 Freeze Prot Ltd Heat cable for preventing water freezing in pipes
CN103939744A (zh) * 2013-01-20 2014-07-23 张涛 一种石油及天燃气辅助输送装置及方法
CN111206649B (zh) * 2020-01-16 2021-04-06 江西省湖口润泉供水有限公司 一种用于自来水供应系统的维护装置
CN113653862A (zh) * 2021-07-24 2021-11-16 滁州永强汽车制造有限公司 保温输水软管

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2971873A (en) * 1956-05-22 1961-02-14 Belden Mfg Co Method of making heater cords
US4002881A (en) * 1974-06-13 1977-01-11 Chevron Research Company System for controlling electrical power in an internal wire impedance heating system
US3983360A (en) * 1974-11-27 1976-09-28 Chevron Research Company Means for sectionally increasing the heat output in a heat-generating pipe
US4423311A (en) * 1981-01-19 1983-12-27 Varney Sr Paul Electric heating apparatus for de-icing pipes

Also Published As

Publication number Publication date
EP0347124B1 (en) 1992-04-22
EP0347124A1 (en) 1989-12-20
DE68901309D1 (de) 1992-05-27
NO892522D0 (no) 1989-06-16
NO892522L (no) 1989-12-18
DK298489D0 (da) 1989-06-16

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment