GB1352722A - Fluid flow control devices - Google Patents

Fluid flow control devices

Info

Publication number
GB1352722A
GB1352722A GB3943271A GB1352722DA GB1352722A GB 1352722 A GB1352722 A GB 1352722A GB 3943271 A GB3943271 A GB 3943271A GB 1352722D A GB1352722D A GB 1352722DA GB 1352722 A GB1352722 A GB 1352722A
Authority
GB
United Kingdom
Prior art keywords
piston
rod
connections
connector
carries
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
GB3943271A
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.)
SPX Flow Technology Crawley Ltd
Original Assignee
APV Corp 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 APV Corp Ltd filed Critical APV Corp Ltd
Publication of GB1352722A publication Critical patent/GB1352722A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/01—Control of flow without auxiliary power
    • G05D7/0146—Control of flow without auxiliary power the in-line sensing element being a piston or float without flexible member or spring
    • G05D7/016—Control of flow without auxiliary power the in-line sensing element being a piston or float without flexible member or spring the sensing element being a ball

Abstract

1352722 Valves APV CO Ltd 11 Aug 1972 [23 Aug 1971] 39432/71 Heading F2V In a fluid flow control device having three equiangularly spaced flow connections 12 whose terminal portions 13 are coplanar, selective connection of any two connections 12 with simultaneous blockage of the remaining connection 12, is effected, repectively, by a U- shaped connector 27, (the plane of which extends at right angles to the plane of the drawing), and a closure member 79. A strut 28 carries both a socket 29 through which the connector 27 passes and the closure plate 79 which engages the third connection 12, the strut being secured to a piston-rod 17. Piston-rod 17 carries a piston 16 the opposite sides of which are selectively pressurizable by way of lines 38 and 39, and a collar 42 the periphery of which carries three equiangularly spaced camfollowers 43, the followers being arranged for co-operation with a compound cam groove 44 formed in a block 45 releasably secure to plate 11. The terminal portion of piston-rod 17 is grooved as at 61 for selective engagement with a latch member 64, 65, 66 movable between its extreme position by pressurization of ports 68 and 69. In operation, as piston 16 is caused to move to the left, as seen in the drawing, so connector 27 and closure 79 are disengaged from their flow connections 12. Immediately after such disengagement, the piston-rod 17, and hence also members 27, 28 and 29, has a rotational component imparted thereto by the co-operation of one cam 43 with the cam track 44, such rotation being equal to half of the angle that is subtended between two adjacent flow connections 12. Thereafter the ends of connector 27 and closure plate 79 become firmly engaged with seatings 14 about connections 12. Finally, latch 64 is moved into engagement with rod recess 61 and piston 16 is de-pressurized, the latch retaining the piston-rod in a position correspondto proper sealing of flow connections 12. Movement of the various members is monitored and controlled by sensor devices 71, 72 (73, 74, Fig. 4, not shown). Additionally, a flushing device (75, 76, 77, 78, Figs. 4, 5, not shown) may be made operative to clean the terminal portions of members 12, 27 and 79 when these are in disengagement.
GB3943271A 1971-08-23 1971-08-23 Fluid flow control devices Expired GB1352722A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3943271 1971-08-23

Publications (1)

Publication Number Publication Date
GB1352722A true GB1352722A (en) 1974-05-08

Family

ID=10409512

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3943271A Expired GB1352722A (en) 1971-08-23 1971-08-23 Fluid flow control devices

Country Status (5)

Country Link
JP (1) JPS4830122A (en)
AU (1) AU459258B2 (en)
FR (1) FR2151362A5 (en)
GB (1) GB1352722A (en)
NL (1) NL7211484A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2519401A1 (en) * 1982-01-07 1983-07-08 Apv Int Ltd VALVE ADJUSTING VALVE

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2773240B2 (en) * 1989-05-17 1998-07-09 株式会社ツムラ Automatic line switching device in liquid processing plant
JP2773241B2 (en) * 1989-05-17 1998-07-09 株式会社ツムラ Cleaning equipment in automatic multi-point line switching equipment for liquid treatment plants

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2519401A1 (en) * 1982-01-07 1983-07-08 Apv Int Ltd VALVE ADJUSTING VALVE

Also Published As

Publication number Publication date
AU459258B2 (en) 1975-03-20
AU4582272A (en) 1974-02-28
NL7211484A (en) 1973-02-27
JPS4830122A (en) 1973-04-20
FR2151362A5 (en) 1973-04-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee