GB1344927A - Valve ujit for central heating systems - Google Patents

Valve ujit for central heating systems

Info

Publication number
GB1344927A
GB1344927A GB1344927DA GB1344927A GB 1344927 A GB1344927 A GB 1344927A GB 1344927D A GB1344927D A GB 1344927DA GB 1344927 A GB1344927 A GB 1344927A
Authority
GB
United Kingdom
Prior art keywords
outlet
valve
outlets
water
heating
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
Application number
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.)
Imperial Metal Industries Kynoch Ltd
Original Assignee
Imperial Metal Industries Kynoch 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 Imperial Metal Industries Kynoch Ltd filed Critical Imperial Metal Industries Kynoch Ltd
Publication of GB1344927A publication Critical patent/GB1344927A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
    • F16K11/052—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with pivoted closure members, e.g. butterfly valves
    • 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
    • G05D23/1393—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures characterised by the use of electric means

Abstract

1344927 Central heating systems IMPERIAL METAL INDUSTRIES (KYNOCH) Ltd 17 July 1972 [5 May 1971] 13190/71 Heading F4U [Also in Division F2] A valve unit for selectively apportioning the water in a central heating system between the space heating circuit and the domestic heating water supply comprises a housing 11 with inlet 13 leading via chamber 12 to first and second domestic heating water outlets 20, 22 and a space heating water outlet 14, and first and second valve closure members 32, 33 mounted on a common spindle 25 for actuation by an electric motor 29 controlled by a room thermostat, which second valve closure member is common to both outlets 20, 22, whereby the outlet 20 is open and outlets 14 and 22 are closed or vice versa. The outlet 22 permits a flow of about one-third to one quarter of that through the outlet 20. The outlet 22 may be further controlled by a diaphragm valve 36 actuated by a solenoid 37 controlled by a thermostat mounted on a water heating cylinder so that the outlet 22 is closed even though member 33 is in the open position.
GB1344927D 1972-07-17 1972-07-17 Valve ujit for central heating systems Expired GB1344927A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1319071 1972-07-17

Publications (1)

Publication Number Publication Date
GB1344927A true GB1344927A (en) 1974-01-23

Family

ID=10018497

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1344927D Expired GB1344927A (en) 1972-07-17 1972-07-17 Valve ujit for central heating systems

Country Status (1)

Country Link
GB (1) GB1344927A (en)

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed