GB2243953B - Improved flow switch, particularly suitable for gas-fired wall boilers - Google Patents

Improved flow switch, particularly suitable for gas-fired wall boilers

Info

Publication number
GB2243953B
GB2243953B GB9110053A GB9110053A GB2243953B GB 2243953 B GB2243953 B GB 2243953B GB 9110053 A GB9110053 A GB 9110053A GB 9110053 A GB9110053 A GB 9110053A GB 2243953 B GB2243953 B GB 2243953B
Authority
GB
United Kingdom
Prior art keywords
gas
particularly suitable
flow switch
improved flow
fired wall
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
GB9110053A
Other versions
GB9110053D0 (en
GB2243953A (en
Inventor
Pietro Lacitignola
Giovanni Pieroni
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.)
Nuovo Pignone Holding SpA
Nuovo Pignone SpA
Original Assignee
Nuovopignone Industrie Meccaniche e Fonderia SpA
Nuovo Pignone SpA
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 Nuovopignone Industrie Meccaniche e Fonderia SpA, Nuovo Pignone SpA filed Critical Nuovopignone Industrie Meccaniche e Fonderia SpA
Publication of GB9110053D0 publication Critical patent/GB9110053D0/en
Publication of GB2243953A publication Critical patent/GB2243953A/en
Application granted granted Critical
Publication of GB2243953B publication Critical patent/GB2243953B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/40—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane
    • H01H35/405—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by devices allowing continual flow of fluid, e.g. vane the switch being of the reed switch type

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Volume Flow (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Feeding And Controlling Fuel (AREA)
GB9110053A 1990-05-11 1991-05-09 Improved flow switch, particularly suitable for gas-fired wall boilers Expired - Fee Related GB2243953B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2116090U IT219539Z2 (en) 1990-05-11 1990-05-11 PERFECTED FLOW SWITCH, PARTICULARLY SUITABLE FOR WALL GAS BOILERS

Publications (3)

Publication Number Publication Date
GB9110053D0 GB9110053D0 (en) 1991-07-03
GB2243953A GB2243953A (en) 1991-11-13
GB2243953B true GB2243953B (en) 1994-08-24

Family

ID=11177647

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9110053A Expired - Fee Related GB2243953B (en) 1990-05-11 1991-05-09 Improved flow switch, particularly suitable for gas-fired wall boilers

Country Status (7)

Country Link
BE (1) BE1005532A3 (en)
CH (1) CH681663A5 (en)
DE (1) DE4115422A1 (en)
FR (1) FR2662016A1 (en)
GB (1) GB2243953B (en)
IT (1) IT219539Z2 (en)
NL (1) NL9100828A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105551884A (en) * 2015-12-23 2016-05-04 珠海格力电器股份有限公司 Liquid level switch

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2350233B (en) * 1999-05-21 2001-07-18 Breed Automotive Tech Float sensor employing reed switch
US7377162B2 (en) * 2005-06-28 2008-05-27 Keurig, Incorporated Method and apparatus for liquid level sensing
CN102403167A (en) * 2011-12-07 2012-04-04 常熟市微尘电器有限公司 High flow water stream switch
CN111721006B (en) * 2020-07-01 2022-02-18 厦门欧准卫浴有限公司 Water pressure starting drive

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB892915A (en) * 1959-08-05 1962-04-04 William Coulthard & Company Lt Improvements in or relating to a flow actuated signalling device for low and/or intermittent flow rates
GB1088427A (en) * 1964-12-23 1967-10-25 Allen West Automation Ltd Fluid flow switch
GB1092725A (en) * 1964-03-12 1967-11-29 Bosch Gmbh Robert Improvements in electrical switches
GB1175009A (en) * 1968-10-29 1969-12-23 Compak O Matic Inc Welding Apparatus
GB1409423A (en) * 1971-11-02 1975-10-08 Nordson Corp Powder spray apparatus
GB1421511A (en) * 1973-03-16 1976-01-21 Amf Inc Magnetically operable hydraulic switch means
GB1422711A (en) * 1972-03-30 1976-01-28 Ray J C Gas-cooled infra-red heating device
US4513184A (en) * 1983-09-16 1985-04-23 Hughes Richard E Flow actuated switch
GB2198883A (en) * 1986-10-18 1988-06-22 Power Pumps Limited Flow-sensitive switch
GB2224124A (en) * 1988-09-09 1990-04-25 Gentech Int Ltd Fluid flow sensor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1563954A (en) * 1968-03-04 1969-04-18
DE6916490U (en) * 1969-04-23 1969-08-07 Sasserath & Co Kg H LIQUID LEVEL SWITCH
CH521573A (en) * 1971-04-05 1972-04-15 Heiz Werner Liquid guard
GB2084401A (en) * 1980-09-30 1982-04-07 Mitchell Craig Clenachan Flow responsive switch
US4739135A (en) * 1987-05-04 1988-04-19 Cte Chem Tech Equipment Corp. Attitude insensitive automatic reset flow sensor
US4996396A (en) * 1989-10-30 1991-02-26 Imo Industries, Inc. Flow switch
DE3937895A1 (en) * 1989-11-15 1991-05-16 Jakob Elektronische Mess Und R Level switching changing binary state - has two elements movable relative to each other in common housing

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB892915A (en) * 1959-08-05 1962-04-04 William Coulthard & Company Lt Improvements in or relating to a flow actuated signalling device for low and/or intermittent flow rates
GB1092725A (en) * 1964-03-12 1967-11-29 Bosch Gmbh Robert Improvements in electrical switches
GB1088427A (en) * 1964-12-23 1967-10-25 Allen West Automation Ltd Fluid flow switch
GB1175009A (en) * 1968-10-29 1969-12-23 Compak O Matic Inc Welding Apparatus
GB1409423A (en) * 1971-11-02 1975-10-08 Nordson Corp Powder spray apparatus
GB1422711A (en) * 1972-03-30 1976-01-28 Ray J C Gas-cooled infra-red heating device
GB1421511A (en) * 1973-03-16 1976-01-21 Amf Inc Magnetically operable hydraulic switch means
US4513184A (en) * 1983-09-16 1985-04-23 Hughes Richard E Flow actuated switch
GB2198883A (en) * 1986-10-18 1988-06-22 Power Pumps Limited Flow-sensitive switch
GB2224124A (en) * 1988-09-09 1990-04-25 Gentech Int Ltd Fluid flow sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105551884A (en) * 2015-12-23 2016-05-04 珠海格力电器股份有限公司 Liquid level switch

Also Published As

Publication number Publication date
CH681663A5 (en) 1993-04-30
BE1005532A3 (en) 1993-09-28
NL9100828A (en) 1991-12-02
DE4115422A1 (en) 1991-11-14
IT9021160U1 (en) 1991-11-11
GB9110053D0 (en) 1991-07-03
IT219539Z2 (en) 1993-03-17
FR2662016A1 (en) 1991-11-15
IT9021160V0 (en) 1990-05-11
GB2243953A (en) 1991-11-13

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020509