GB2204153B - Automatic water supplying device and method for controlling same - Google Patents

Automatic water supplying device and method for controlling same

Info

Publication number
GB2204153B
GB2204153B GB8807901A GB8807901A GB2204153B GB 2204153 B GB2204153 B GB 2204153B GB 8807901 A GB8807901 A GB 8807901A GB 8807901 A GB8807901 A GB 8807901A GB 2204153 B GB2204153 B GB 2204153B
Authority
GB
United Kingdom
Prior art keywords
automatic water
supplying device
water supplying
controlling same
controlling
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 - Lifetime
Application number
GB8807901A
Other versions
GB8807901D0 (en
GB2204153A (en
Inventor
Yasushi Shinko
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB8807901D0 publication Critical patent/GB8807901D0/en
Publication of GB2204153A publication Critical patent/GB2204153A/en
Application granted granted Critical
Publication of GB2204153B publication Critical patent/GB2204153B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2066—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source
    • G05D16/2073—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source with a plurality of pressure sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/02—Stopping, starting, unloading or idling control
    • F04B49/022—Stopping, starting, unloading or idling control by means of pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
    • F04D15/029—Stopping of pumps, or operating valves, on occurrence of unwanted conditions for pumps operating in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2203/00—Motor parameters
    • F04B2203/02—Motor parameters of rotating electric motors
    • F04B2203/0214—Number of working motor-pump units

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
GB8807901A 1987-04-06 1988-04-05 Automatic water supplying device and method for controlling same Expired - Lifetime GB2204153B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62082917A JPS63248997A (en) 1987-04-06 1987-04-06 Automatic water supplying device and control thereof

Publications (3)

Publication Number Publication Date
GB8807901D0 GB8807901D0 (en) 1988-05-05
GB2204153A GB2204153A (en) 1988-11-02
GB2204153B true GB2204153B (en) 1991-02-06

Family

ID=13787599

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8807901A Expired - Lifetime GB2204153B (en) 1987-04-06 1988-04-05 Automatic water supplying device and method for controlling same

Country Status (5)

Country Link
JP (1) JPS63248997A (en)
KR (1) KR920003111B1 (en)
CN (1) CN1012514B (en)
GB (1) GB2204153B (en)
HK (1) HK51391A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4328312A1 (en) * 1993-08-23 1995-03-02 Draegerwerk Ag Fountain pen with variable filling reservoir for pressure compensation between reservoir and environment
DE4330519B4 (en) * 1993-09-09 2004-08-05 Sms Demag Ag descaling
FR2824601B1 (en) * 2001-05-09 2003-08-08 Ksb Sa MOTOR PUMP GROUP WITH TIMING OF THE POWER ON OF THE MOTOR
JP2010104690A (en) * 2008-10-31 2010-05-13 Toshiba Corp Vacuum cleaner
CN101581401B (en) * 2009-06-23 2011-02-09 云南大红山管道有限公司 Online switching method of high-pressure long-distance slurry pipeline transmission multi-stage pump station
EP2476907B1 (en) * 2011-01-14 2014-08-06 Grundfos Management a/s System and method for pressure control in a network
JP5416729B2 (en) * 2011-03-22 2014-02-12 株式会社日立製作所 Water central monitoring and control device, water monitoring control system and water monitoring control program
CN102226649B (en) * 2011-04-13 2012-11-28 杨盛林 Industrial high-temperature waste gas conditioning and automatic constant-temperature system
CN108825480B (en) * 2018-06-01 2020-02-21 重庆大学 Water pump management and scheduling method

Also Published As

Publication number Publication date
CN88101956A (en) 1988-10-26
CN1012514B (en) 1991-05-01
GB8807901D0 (en) 1988-05-05
KR880012895A (en) 1988-11-29
HK51391A (en) 1991-07-12
JPS63248997A (en) 1988-10-17
GB2204153A (en) 1988-11-02
KR920003111B1 (en) 1992-04-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950405