GB9217945D0 - Flow control for mixing valves - Google Patents

Flow control for mixing valves

Info

Publication number
GB9217945D0
GB9217945D0 GB9217945A GB9217945A GB9217945D0 GB 9217945 D0 GB9217945 D0 GB 9217945D0 GB 9217945 A GB9217945 A GB 9217945A GB 9217945 A GB9217945 A GB 9217945A GB 9217945 D0 GB9217945 D0 GB 9217945D0
Authority
GB
United Kingdom
Prior art keywords
cold water
flow control
water supply
hot
hot water
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.)
Withdrawn
Application number
GB9217945A
Other versions
GB2270139A (en
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.)
DOUGLAS IND SALES Ltd
Haudiquer Ind S A
Original Assignee
DOUGLAS IND SALES Ltd
Haudiquer Ind S A
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 DOUGLAS IND SALES Ltd, Haudiquer Ind S A filed Critical DOUGLAS IND SALES Ltd
Priority to GB9217945A priority Critical patent/GB2270139A/en
Publication of GB9217945D0 publication Critical patent/GB9217945D0/en
Publication of GB2270139A publication Critical patent/GB2270139A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/01—Control of temperature without auxiliary power
    • G05D23/13—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures
    • G05D23/1306—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids
    • G05D23/132—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element
    • G05D23/134—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element measuring the temperature of mixed fluid
    • G05D23/136—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element measuring the temperature of mixed fluid with pressure equalizing means

Abstract

A thermostatic hot and cold water mixing valve (30) is close coupled to a flow control valve (90) in the hot water supply. In the flow control valve, spring (108) biases valve spool (106) to a closed position, but cold water supply pressure transmitted by pipe (84) from the cold water inlet side of the mixing valve (30) operates actuator (120) to oppose the spring and keep the hot water supply open so long as cold water pressure is maintained. If cold water pressure fails, the hot water supply is immediately shut off. <IMAGE>
GB9217945A 1992-08-24 1992-08-24 Flow control for mixing valves Withdrawn GB2270139A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9217945A GB2270139A (en) 1992-08-24 1992-08-24 Flow control for mixing valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9217945A GB2270139A (en) 1992-08-24 1992-08-24 Flow control for mixing valves

Publications (2)

Publication Number Publication Date
GB9217945D0 true GB9217945D0 (en) 1992-10-07
GB2270139A GB2270139A (en) 1994-03-02

Family

ID=10720846

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9217945A Withdrawn GB2270139A (en) 1992-08-24 1992-08-24 Flow control for mixing valves

Country Status (1)

Country Link
GB (1) GB2270139A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1308829B1 (en) * 1999-09-21 2002-01-11 Gevipi Ag AUTOMATIC VALVE FOR THE STABILIZATION OF A THERMOSTATIC MIXER DEVICE.
US20070194136A1 (en) * 2003-09-18 2007-08-23 Cunningham Aaron C Thermostatic safety valve
GB2497277B (en) * 2011-11-29 2016-06-15 Tung Ping-Jung A cold and hot water balancing valve of burning-proof functions
GB2497513B (en) * 2011-12-05 2016-08-10 Tung Ping-Jung A balance value of asymmetric structure
EP3292251A1 (en) * 2015-05-04 2018-03-14 CeramTec GmbH Scald protection unit
CN105135011B (en) * 2015-09-21 2018-01-02 西南石油大学 A kind of safety mechanical blocks valve gear
EP3418848B1 (en) * 2017-06-22 2021-05-26 Caleffi S.p.A. Thermostatic mixing valve

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1291723A (en) * 1969-08-15 1972-10-04 Meynell Valves Mixing valves
US4923115A (en) * 1986-07-17 1990-05-08 Miyawaki Incorporated Mixing valve apparatus
GB2201487B (en) * 1987-02-25 1990-10-31 Caradon Mira Ltd Mixing valve

Also Published As

Publication number Publication date
GB2270139A (en) 1994-03-02

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)