GB2531253A - Filling system for a fluid medium - Google Patents

Filling system for a fluid medium Download PDF

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Publication number
GB2531253A
GB2531253A GB1418046.7A GB201418046A GB2531253A GB 2531253 A GB2531253 A GB 2531253A GB 201418046 A GB201418046 A GB 201418046A GB 2531253 A GB2531253 A GB 2531253A
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GB
United Kingdom
Prior art keywords
nozzle
connector
filling
assembly
valve
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.)
Granted
Application number
GB1418046.7A
Other versions
GB201418046D0 (en
GB2531253B (en
Inventor
Richard Kent
Iain Revell
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.)
Penlon Ltd
Original Assignee
Penlon 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 Penlon Ltd filed Critical Penlon Ltd
Priority to GB1418046.7A priority Critical patent/GB2531253B/en
Publication of GB201418046D0 publication Critical patent/GB201418046D0/en
Priority to PCT/EP2015/073651 priority patent/WO2016059038A1/en
Publication of GB2531253A publication Critical patent/GB2531253A/en
Application granted granted Critical
Publication of GB2531253B publication Critical patent/GB2531253B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/24—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat
    • B65D47/241—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element
    • B65D47/242—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element moving helically
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/18—Vaporising devices for anaesthetic preparations
    • A61M16/183—Filling systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/24—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat
    • B65D47/248—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by imparting a motion to the valve stem
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/60—General characteristics of the apparatus with identification means
    • A61M2205/6045—General characteristics of the apparatus with identification means having complementary physical shapes for indexing or registration purposes

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  • Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Pulmonology (AREA)
  • Emergency Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)

Abstract

A nozzle 66 has a male or female connector 79; a valve; a track with axial and circumferential components or follower 85; the track or follower in one position keeping the valve open and in another closing it. A filling device 3 has a valve 47 and the other of a male or female connector 7 and a track with axial and circumferential components or follower 36. The nozzle can interact with the filling device so that the camming tracks and followers engage so as to open the valve on each when one is fully received in the other. The track or follower can be a partial thread with a stop. There can be multiple tracks or followers in the form of multistart threads. The nozzle or filler can include a guide to assist alignment. The valves ideally have a biasing element 25 such as a spring to urge them towards their seats in the closed position.

Description

FILLING SYSTEM FOR A FLUID MEDIUM
The present invention relates to a filling system for filling a hquid medium, especiafly a vdatiie medium, into a fluid supply, such as a reservoir, and also to a filling device and a nozzle device for use in such a filling system.
Various filling system exist for fflling a volatile medium into a reservoir. One such filling device is disclosed in WOA-195/O26772.
It is ar aim of the present invertion to provide an improved fling systr', and also to a filling device and a nozzle device for use in such a filhng system.
In one aspect the present invention provides a filling system for delivering a fluid medium from a container to a fluid supply, the filling system comprising: a nozzle device fluidly connectabie to a container; and a filling device for receiving the noLzle dev ce and fluidly connectdbe to a fluid supply, wherein the nozzle device comprises a nozzle assembly which is fluidly connectable to the container, and the nozzle assembly comprises one of a male or female connector and a valve unit which is fluidly connected to the container; wherein the connector of the nozzle assembly includes one of at least one track, which has axial and circumferential components, or at least one follower; wherein the filling device comprises a filling assembly, and the filling assembly comprises the other of the male or female connector, which is counterpart to and interengageable with the connector of the nozzle assembly, and a valve unit which is fluidly connectable to the fluid supply; wherein the connector of the filling assembly includes the other of the at least one track, which has axial and circumferential components, or the at least one follower, whereDy, on interengaging the connectors of the nozzle ard filling assemblies and applying a rotational force to the connector of the nozzle assembly relative to the connector of the filling assembly, the one of the at least ore track or follower of the connector of the nozzle assembly engages the other of the at least one track or follower of the connector of the filling assembly to cause the connector of the nozzle assembly to move axially [ha flE'St dlikettfoa i4&ative to' thttfl" , ortfthefllIlngsssemblyftoma first1 closed pOSitlOn in whith the valve units of the nøzzie aiid filifrtg assemblies are d:a, IX) 3 SCt,,RC, Qp(,R p,,ion in which the valve units of the nozzle and ftWng assemblies are open, and so prsdlñg a fLóld comnun1catK,n path between the contaer and thefiuidfsuppiy, and, releasing the rotational rorte; the ffi',,Øf the at ieai' om' tat: OrfollOwei" of the connector of the noz4ea,enibly ex'gages the other of the?at least one trdckor MpWer Pflhe cornetor áf the tillIng assembly w t ns:. of the nozzle assemblyth move axiallyin a second direction, o "Hto the first dfrectic'n, relative to the connector of the filling assembly from the second1 open position, in which the valve uflitS' fth* flø*de and filth" $ø"th'blFE", are opEn, to the second, closed position, ifl whlëh the valve units of the nozzle arr4fl$Ilg assemblies are closed, and so: doling a fluid communication path t'b",n :fr container and theflthd supply In another aspecttJw presertt Inve proviØes nozS dvicecocnei:,,,le to, a container andr use with a filling dëvke in deiTveii'nq a fluid medium F from the container to a fluid supply, thef nozzle device con prising: a nozzle assembly which is fluidly tc'i:"ne""Ii". to: a"thp'nses one Of a maie:or female connector and a valve unIt whU:,h Is flvlthy tØnfle,,tfl tø the container; wherein the connector of die nozzle assembly tncludes one of at least one track, which has Sal and thIrcurnferentil componett% or tat least &tMo'e:, Which is. intern" ageabk wltftth"othnfthe':at least ot'e'track,, which has axial and E,,rCLk!t'feTefltt*J ComponentS, otThØ, 4t leØSt: one fojiower on a cr nector ofthe flIling devtce.
In' a futthet aspc'tt the p" etit invention. provides:anonledevlcetonr%ectabte to a container!üø fqr 4S? wfl:,. a filling Ø!c:q. hi, deffl:erlng a fluid r,,e4ium from U,e container to a fluid supply, the nozzle device comprising a nozzle assently which ts"fluid4y. connectable to the contalner'and cornpthes one of a male"orfemate connector"and a"vaive unit which Is fluidly connected to: the P*,!!ø& whtErèia the cóflnèt,idr of the nozzle astei" :j includes One Of at Jeast' one track, which has ax!il an4 clrcumkrenttai cc,mponen% pp at least one foUower, which is interengageable with the other of the at east one track, which has axial and cfrcumferental components, or the at east one thRower on a connector of the fflling device; whereby, on interengaging the connectors of the nozzle and filling assemblies and applying a rotational force to the connector of the nozzle assembly relative to the connector of the fiRing assembly, the one of the at least one track or follower of the connector of the nozzle assembly engages the other of the at least one track or follower of the connector of the filling assembly to cause the connector of the nozzle assembly to move axially in a first directbn reLative to the connector of the filling assembly from a first, closed position, in which the valve units of the nozzle and filling assemblies are closed, to a second, open position, in which the valve units of the nozzle and filling assemblies are open, and so providing a fluid communication path between the container and the fluid supply, and, on releasing the rotational force, the one of the at least one track or follower of the connector of the nozzle assembly engages the other of the at least one track or follower of the connector of the Iilhng assembly to cause the connector of the nozzle assembly to move axially in a second direction, opposite to the first direction, relative to the connector of the filLing assembly from the second, open position, in which the valve units of the nozzle and filling assemblies are open, to the second, closed position, in which the valve units of the nozzle and filling assemblles are closed, and so closing a fluid communication path between the container and the fluid supply.
In a still further aspect the present invention provides a filling device connectable to a fluid supply and for use with a nozzle device in delivering a fluid medium from a container to the fluid supply, the filling device comprising: a filling assembly fluidly connectable to a fluid supply and comprising one of a male or female connector and a valve unit which is fluidly connected to the fluid supply; wherein the connector of the filling assembly includes one of at least one track, which has axial and circumferential components, or at least one follower, which is interengageable with the other of the at least one track, which has axal and circumfe-ential components, or the at least one follower on a connector of the nozzle device In a still further aspect the present invention provides a fifing device connectable to a fluid supply and for use with a nozzle device in dehvering a fluid medium from a container to the fluid supply, the filling device cornpnsrrig a filling assembly fluithy connectable to a fluid supply and comprising one of a male or female connector and a valve unit which is fluidly connected to the fluid supply; wherein the connector of the fllflng assembly includes one of at least one track, which has axial arid circumferential components, or at least one follower, which is interengageable with the other of the at least one track, which has axial and circumferential components, or the at least one follower on a connector of the nozzle device; whereby, on interengaying the connectors of the nozzle and filling assemblies and applyng a rotational force to the connector of the nozzle assembly relative to the connector of the filling assembly, the one of the at least one track or follower of the connector of the nozzle assembly engages the other of the at least one track or follower of the connector of the filling assembly to cause the connector of the nozzle assembly to move axially in a first direction relative to the connector of the filling assembly from a first, closed position, in which the va've units of the nozze and filling assembhes are closed, to a second, open position, in which the valve units of the nozzle and filling assemblies are open, and so providing a fluid communication path between the container and the Fluid supply, and, on releasing the rotational force, the one of the at least one track or cdower of the connector of the nozzle assembly engages the other of the at least one track or follower of the connector of the filling assembly to cause the connector of the nozzle assembly to move axially in a second direction, opposite to the first direction, relative to the connector of the filling assembly from the second, open position, in whch the valve units of the nozzle and filling assemblies are open, to the second, closed position, in which the valve units of the nozzle and filling assemblies are closed, and so closing a fluid communication path between the container and the fluid supply.
Preferred embodiments of the present invention will now be described hereinbelow by way of example only with reference to the accompanying drawings, ri which: Figure 1 illustrates a perspective view of a fifing device in accordance with an embodiment of the present invention, as fitted to a reservoir; Figure 2 iflustrates an exploded perspective view of the filling device of Figure 1; Figure 3 illustrates a vertical sectional view (along section i-i in Figure 1) of the filling device of Figure 1; Figure 4(a) illustrates a perspective view of the housing of the connector assembly of the filling device of Figure 1; Figure 4(b) illustrates a plan view of the housing of Figure 4(a); Figure 4(c) illustrates in enlarged scale detail A of the housing of Figure 4(b); Figure 4(d) illustrates an underneath plan view of the housing of Figure 4(a), Figure 4(e) illustrates a sectional v ew (along section TI-Il in Figure 4(b)) of the housing of Figure 4(a); Figure 5 illustrates a perspective view of a nozzle device in accordance with an embodiment of the present invention, as fitted to a container; Figure 6 illustrates an exploded perspective view of the nozzle device of Figure 5; Figure 7 illustrates a longitudinal sectional view (along section Ill-Ill in Figure 1) of the nozzle device of Figure 5; Figure 8(a) illustrates a perspecthte view of the nozzle of the nozzle assembly of the nozze device of Figure 5; Figure 8(b) illustrates one end view of the nozzle of Figure 8(a); Figure 8(c) illustrates the other end view of the nozzle of Figure 8(a); Figure 8(d) illustrates one side view of the nozzle of Figure 8(a) from a first direction; Figure 8(e) illustrates another side view of the nozzle of Figure 8(a) from a second direction, orthogonal to the first direction; Figure 8(f) iuustrates a first sectional view (along section IV-IV in Figure 8(c)) of the nozzle of Figure 8(a); Figure 8(g) illustrates a second sectional view (&ong section V-V in Figure 8(c)) of the nozzle of Figure 8(a), Figure 9 illustrates a vertical sectional view of the nozzle device of Figure 5 as fitted to the filling device of Figure 1, but prior to rotation of the nozzle device relat've to the filling device in opening the valve units of the nozzle and filling devices; Figure 10 illustrates a vertical sectional view of the nozzle device of Figure 5 as fitted to the fifing device of Figure 1, following rotation of the nozze device relative to the filling device to open the valve units of the nozzle and filling devices; and Figure 11 illustrates a vertical sectional view of the nozzle device of Figure 5 as fitted to the filling device of Figure 1, following release of the rotational force as applied to the nozzle device relative to the filling device and the valve units of the nozzle and filhng devices returned to the dosed configuratons Figures 1 L:o 4 illustrate a filling device 1 in accordance with an embodiment of the present invention as fitted to a reservoir 2.
The filling device 1 comprises a body 3 which is fluidly connected to the reservoir 2, and a connector assembly 7 by which a filling nozzle 69 of a container 67 is fluidly connected to the body 3, such as to alow for filing of the reservoir 2.
The body 3 includes a first chamber 9 for receiving a fluid medium, in this embodiment a volatile liquid medium, and a frst flow channel 11 which fluidly connects the chamber 9 to the reservoir 2.
Volatile mediums include volatile anaesthetics for general anaesthesia, such as desfiurane, halothane, enflurane, isoflurane and sevoflurane.
In this embodiment the chamber 9 includes a support 15 for suppoffing a valve element 47, as will be described in more detail hereinbelow.
In this embodiment the body 3 includes a first attachment section 16, here a threaded section, for attachment of the connector assembly 7 to the body 3.
In this embodiment the body 3 includes a second chamber 17 for receiving fluid medium from the reservoir 2, and a second flow channel 18 which fluidly connects the second chamber 17 to the reservoir 2.
In this embodiment the body 3 includes a drain connector 19 by which a drain unit is fluidly connected to the body 3, and a third flow channel 20 which fluidly connects the second chamber 17 to the drain connector 19.
in this embodimeti the bcthf3 ibdude a se::: d attchmerit settlofl2ib hen; a threaded section, for attathinentaf a: valve member 22 to the boØy 3 ant: wfthin thesecond chamber?11.
in this embodlmentthe body 3Indudesa valve member fl which is open ble; to provideJor closure of the:: fluid communication path between the sec ii and ts ei:o and tmi now aftPes j: Q i operatlAn and opening of the fluid communkation path between the second chamber ftand the second and third tow channels IS:v 2O1h order to allow for draining of the fluid medium from the reservoir 2.
The connector assembly 7 conipdsesa hous&rg Z3, as particularly illustrated In: Figures 4(a) to (4 for receiving affillig nozzle &:: a container 0, k1àh is attached to the body 3, and a valve unit 25 whIch is fluidly connected to thefiittchantet9ofthebod;y3?.
In this embodiment the housing: 23lncludis an aftachmerftsectkn here a threaded sectton wih S counterpart tothe first attachment SE Ofl 1. on the body: 3 by whith the using 23 is attached to the body 3.
The hoig 22:j.a connector i, in this embedment in the form of a gene ally tubular Element, which frtcludès; a Qvlty 33 receiving tFffli4ng nozzle 59: of the?container 6:7 The connector 31 Includes at least one track 3W whkh has axial and drcimtérentlal components ih this embsmensefned by a partal, heical thread 36, and is configured to receive at least one follower 85 on the filling nonle 69 ofthe;contalper 6:7, such that the flung nonie 69 Ofthe tOfttahier oIls fitted to the connector 31 by rotatiàn an4 with thu rotation, the fllltng nozzle 4oflhe conWner Sib caused to mov a*lalIy into the concStoi-as a:consequenc&of the at k one follower 85 on the filling nozzle 69 of thecontalnersi passing along theat least one:track:35ln the connector 3i.
In this embodiment the connector 31 inchides a plurality of tracks 35, here two tracks, and here defined by a plurality of partial, helical threads 36, and the fdling nozzle 69 of the container 67 incudes a counterpart plurality of fo0't 85, as will be described in more detail hereinbelow.
In this embodiment the tracks 35 are arranged in opposed, symmetrical relation.
In this embodiment the tracks 35 are arranged as multi-start partial threads.
In this embodiment the connector 31 includes at least one stop 31, here as defined by an end of the thread 36, which acts to engage a counterpart at east one stop 8/ on the filling nozzle 69 of the container 67 and thereby limit the rotation of the filling nozzle 69 of the container 67 in the connector 31.
In this embodiment the connector 31 includes two stops 37, here as defined by the ends of the two partial threads 36.
The housing 23 includes a valve seat 41, in this embodiment at one distal end thereof, and a valve aperture 43 within the valve seat 41 such that the valve seat 41 surrounds the valve aperture 43.
In this embodiment the valve seat 41 has an annular form.
In this embodiment the valve aperture 43 is coaxiai with the connector 31.
In this embodiment the housing 23 includes an insertion guide 45 at a proximal end thereof, by which the filling nozzle 69 of the container 67 is required to be inserted into the connector 31 in at east one predetermined angular orientation, whereby the filling nozzle 69 of the container 67 is aligned to the at least one track 35 of the connector 31. 1o-
The valve unit 25 comprises a valve element 47, and a biasing element Si whcr acts normally to bias the valve element 47 agarnst the valve seat 41, and thereby close the fluid communicatron oath between the connector 31 and the body 3.
It, this embodiment the valve element 47 rricludes a valve stem 53 and a valve body 55, which is supported by the valve stem 53.
In this embodiment the valve stem 53 includes first and second valve stern parts 53a, b which extend co-axially and to opposite sides of the valve body 55.
In this embodiment the first valve stem part 53a is located in the support 15 in the body 3, such that movement of the valve element 47 is guided thereby In this embodiment the biasing element 51 is disposed about the first valve stem part 53a and engages between the support 15 in the body 3 and the valve body 55.
In this embodiment the second valve stem part 53b extends through the valve aperture 43 and into the cavity 33 of the connector 31 The connector assembly 7 further comprises a biasing unit 61 which acts to bias the distal end of the filling nozzle 69 of the container 67 when inserted into the connector 31.
In this embodiment the biasing unit 61 comprises an elgagement element 62 which is disposed within the connector 31 and a biasing element 63 which acts to bias the engagement element 62 proximally within the connector 31, and thereby bras the iUrng nozzle 69 of the container 67 axially outwardly of the connector 31.
In this embodiment the engagement element comprises an annular element which ii disposed at th. lnner: of the connector 3L ani Indudet an aperture: 64 through whith atetds the setond Valve stim. patt: :5Th ofthe va1vee1ernent7.
In this Ct,bo,ment;ta engagement elEmerft 62 iS.siiIeabIy disposed to the; spnd yalve part 53b and held caj*tve therétó b4 a 6 here in thetrrnof aclip.
In this ettbØCIith&t: the 6a comw!es a spi. g ekment, here a wave spring.
Figures 5 to 8 Illustrate a notle deve 66 which Is attathed to a tontiner 67 ttflthihfl9 the ulUid ledlufli arId aaøu to be: ne:: ttl: the qiiw assembly v qru-enmng device 1.
the noSe device 66 comprises an attachment 68 whIch is attached to the ei frOin *11th ttid nit iuitt is flI: be dkpEhSed aM: a:e1bW 69 WhIch 15 flutd& conne ed to thecontalner V by the attachment 68 and coàfigured to be inseijable IS the connector 4 &the $Uh4 devke 1.
In thiSèi bOdiitert U faWLflie.8 compriSes a is azached *c a neck 71 ofthe cont&ner 67 and Includes an aperture 72 through with fluid medium can be delivered, and a ftxlng member fl. here In: the: tot-rn of an annular washer1 which acts to hold the noule assembly 69 captive to the cap IC.
In this embodiment the ca 70 nctu a thread 75 which Is threadedly-engagedto a counterpart thread 76 on the fleck 71 otthe tOflthiPt 67.: Th.. nozzle nsembly 69 cqmwIses nckzzIe 79 which Is cofigu red se as to be lnseçtable frito the cennecs 31 of the fiflingdsce 1, and a vatveunIt8t which Is disposed within the nozzle 79 and operable between adosedpositIon in which the container 67 is dosed by the nozzle assembly 69 and an open position in which fluid medium can pass from the container 67.
The none 79 comprises a body member 83, in this embodiment having a generally cylindrical form, which is insertabie into the cavity 33 of the connector 31 of the filling device 1.
The body member 83 indudes at least one follower 85 which has axial and circumferential components, in this embodiment defined by a partial, helical thread 86, and is configured to slideable within the at least one track 35 on the connector 31 of the filling device 1, such that the nozzle 79 is fitted to the connector 31 by rotation of the nozzle device 66, and, with this rotation, the nozzle 79 is caused to move axially into the connector 31 as a consequence of the at least one follower 85 on the body member 83 of the nozzle 79 passing along the at least one track 35 on the connector 31.
In this embodiment tne at least one follower 85 on the nozzle 79 and the at least one track 35 on the connector 31 are configured such that the nozzle 79 is maintained in an inset-ted, filling position only while holding the container 67 rotationally in position, and otherwise the nozzle 79 is moved axially outwardly by operation of the biasing unit 61. With this configuration, emptying of the container 67 is prevented while an operative is not present to hold the container 67 rotationally in the inserted, filling position, and yet, by virtue of the gearing of the track/follower arrangement, the force required to maintain the container 67 rotationally in position, and thereby providing for fifing of the reservoir 2 from the container 67, can be quite low, and so requiring less effort on the part of the operative. This contrasts with existing systems, in which a container is displaced only axially, and an operative is required to maintain a force, which is relatively high, on the container, in order to maintain the flUing operation.
In this embodiment the body member 83 includes a plurality of followers 85, here two followers, and here defined by two partial threads 86, which are counterpart to the tracks 35 on the connector 31 of the tilling device 1.
In this embodiment the followers 85 are arranged in opposed, symmetrical relation.
In this embodiment the followers 85 are arranged as multistart partial threads.
In this embodiment the nozzle 79 includes at Feast one stop 87, here located at an end of the thread 86, which acts to engage the counterpart at least one stop 37 on the connector 31 of the filhng device 1 and thereby limit the rotation of the nozzle 79 of the nozzle device 6 in the connector 31 of the filling device 1.
In this embodiment the nozzle 79 includes two stops 87, here at the respective ends of the two partial threads 86.
The body member 83 includes a valve seat 88, in this embodiment at one, distal end thereof, and a valve aperture 89 within the valve seat 88, such that the valve seat 88 surrounds the valve aperture 89.
In this embodiment the valve seat 88 has an annular form..
In this embodiment the valve aperture 89 is co-axial with the nozzle 79.
The valve unit 81 comprises a valve element 91, a support 92 which is disposed at one, proximal end of the nozzle 79, and a biasing element 93 which is supported by the support 92 and acts normally to bias the valve element 91 against the valve seat 88, and thereby close the fluid path between the nozzle 79 and the container 67.
-14 -In this embodiment the valve element 91 comprises a body member 95, here extending axiafly within the nozzle 79, and a valve seal 97 which is supported by the body member 95, here at one distal end thereof. With this configuration, the valve unit 81 is operated by displacement of the valve element 91, here axially within the nozzle 79, from a dosed, seated position, n which the valve seal 97 is seated on the valve seat 88 of the nozzle 79, to an open position, and the valve element 91 is returned to the closed position by the action of the biasing element 93.
Operation of the above-described filling device 1 and nozzle device 66 will be described hereinbelow with reference to Figures 9 to 11 of the accompanying drawings.
in a first step, an operative locates the nozzle 79 of the nozzle assembly 69 of the nozzle device 66 within the cavity of the connector 31 of the connector assembly 7 of the filling device 1, as illusfrated n hgure 9 In this embodiment the guide 45 on the connector 31 requires that the nozzle 79 has a predefined rotational position in relation to the connector 31 When so fitted, and without applying any axial force to the container 67, the container 67 is supported by the filling device 1 through the engagement of the nozzle 79 and the connector 31.
Subsequently, the operative rotates the container 67, and hence the nozzle assembly 69 as attached thereto, in relation to the connector 31 of the fflhing device, as illustrated in Figure 10.
With this rotation, the at least one follower 85 on the nozzle 79 passes along the at least one track 35 on the connector 31, causing the nozzle 79 to move axiaHy inwards into the connector 31 against the bias of the biasing unit 61, which causes the valve element 91 of the valve unit 81 of the nozzle assembly 69 to engage the vaive element 47 of the valve unit 25 of the connector assembly 7, in this embodiment the second valve stem part 53b of the valve stem 53 of the valve element 47.
With continued rotation, the valve unit 25 of the connector assembly 7 is opened, ahead of the valve unit 81 of the nozzle assembly 69, with the valve body 55 being moved off the valve seat 41 of the filling device land providing for communication between the first chamber 9 in the body 3 of the fining device I and the connector 31. By providing for the valve unit 25 of the connector assembly 7 to be opened before the valve unit 81 o the nozzle assembly 69, fluid communication s estabhshed with the reservoir 2 before delivering Uquid medium from the container 67.
With further continued rotation, the valve unit 81 of the nozzle assembly 69 is opened, with the valve body 95 being moved off the valve seat 59 of the nozzle device 66 and providing for communication between the container 67 and the reservoir 2 In this embodiment the rotation of the nozzle 79 within the connector 31 is limited by the at least one stop 87 on the nozzle 79 engaging the at least one stop 37 on the connector 31.
This filling configuration is maintained for so long as the operative maintains sufficient rotational force as to overcome the biasing force of the biasing unit 61, which acts to bias the nozzle 79 outwardly of the connector 31.
When the operative releases the rotational force on the container 67, either intentionally or inadvertently, the biasing unit 61 acts to displace the nozzle device 66 axially, by causing rotation of the nozzle device 66 in relation to the connector assembly 7 of the filling device 1 and so causing closure of the valve unit 25 of the filling device 1 and the valve unit 81 of the nozzle device 66, as illustrated in Figure 11.
F; With this rotiti n case4 by the biasing unit SI, the at leastone ftllówer 85 on the: nozzle 79 passes along theät least one thack 35 on the: connector 31., F: causing the nozS 79' to move axially outwards from the connector ai.
wtr' coAue: tou'tio' the 4E"We tinit 25 or the iii;"::or as'sembi is closed, ahead of the valve unit S of the nozzle device 6$:,, with the vaive body 5S being moved with the valve seat 41 by the biasing element Si t' the:and ci sing the fluid communication path between the first chamber 9 in the body 3 of the tilling devIce 1 and the connector' 31. By providing for the vWe unit 25 of the a4xiibly 7 t b. lEd before the valve unit 81 of the nozzle devIce 66, the reservoIr 2 is dosed before the. container 67 can be removed from the Thiktg device 1.
:W,t.. füfl thtlni. rát3,JbW', te valve im'dt 81 Of the nOt'" d'Mt". 66 IS closed, with the valve body. $ being moved onto the: vatic, seat 89' by the bIiSng ele'meri" ": df the nozzle devIce 68 aS" thereby, dosing the fläid communlcatlonpath between the contaIner:67 and the reservoir 2.
9nally it will be undo, ood that,the: present knventien he::heeflfd$",plb,,,,, In its preferred embod',Ments ad can be modified In many djfferest w,,ys wlthoutdeparting from the?scope of the invention asdefined by the apperded tl2htS

Claims (2)

  1. CLAIMS1., A fiUing system for delivering a fluid medium from a container to a fluid supply, the filling system comprising: a nozzle device fluidly connectable to a container; and a filling device for receiving the nozzle device and fluidly connectable to a fluid supply; wherein the nozzle device comprises a nozzle assembly which is fluidly connectable to the container, and the nozzle assembly comprises one of a male or female connector and a valve unit which is fluidly connected to the container, wherein the connector of the nozzle assembly includes one of at least one track, which has axial and circumferential components, or at least one follower; wherein the filling device comprises a filling assembly, and the filling assembly comprises the other of the male or female connector, which is counterpart to and interengageable with the connector of the nozzle assembly, and a valve unit which is fluidly connectable to the fluid supply; wherein the connector of the filling assembly includes the other of the at least one track, which has axial and circumferential components, or the at least one follower; whereby, on interengaging the connectors of the nozzle and filling assemblies and applying a rotational force to the connector of the nozzle assembly relative to the connector of the filling assembly, the one of the at least one track or follower of the connector of the nozzle assembly engages the other of the at least one track or follower of the connector of the filing assembly to cause the connector of the nozzle assembly to move axially in a first direction relative to the connector of tne filling assembly from a first, closed position, n which the valve units of the nozzle and filling assemblies are closed, to a second, open position, in which the valve units of the nozzle and filling assemblies are open, and so providing a fluid communication path between the container and the fluid supply, and, on releasing the rotational force, the one of the at least one track or follower of the connector of the nozzle assembly engages the other of the at least one track or follower of the connector of the filling assembly to cause the connector of the nozzle assembly to move axially in a second direction, opposite to the first direction, relative to the connector of the filling assembly from the second, open position, in which the valve units of the nozzle and filling assemblies are open, to the second, closed position, u-i wh ch the valve units of the nozzle and filling assemblies are closed, and so closing a fluid communication path between the container and the fluid supply.
  2. 2. The system of claim 1, wherein the at least one track is defined by at least one partial thread, 3, The system of claim 1 or 2, wherein the at least one follower is defined by at least one partial thread.4, The system of any of claims I to 3, wher&n the connector of the nozzle assembly or the filling assembly comprises a plurality of tracks.S. The system of claim 4, wherein the tracks are defined by a plurality of multkstart, partial threads.6; The system of any of claims I to 5, wherein the connector of the nozzle assembly or the filling assembly comprises a plurality of followers.7. The system of claim 6, wherein the followers are defined by a plurality of multi-start, partial threads.8. The system of any of claims 1 to 7, wherein at least one of the connectors of the nozzle and filling assemblies includes a guide which provides that the connectors of the nozzle and filling assemblies can only be interengaged when the connectors of the nozzle and filling assembUes have a predetermined rotational orientation.9. The system of any of claims 1 to 8, wherein at least one of the connectors of the nozzle and filling assemblies incrudes at east one stop which acts to limit angular rotation of the connectors of the nozzle and filling assemblies.10. The system of any of claims ito 9, wherein the connector of the nozzle assembly is a male connector comprising a projecting nozzle and the connector of the filling assembly is a female connector comprising a cavity for receiving the projecting nozzle of the nozzle assembly.11 Tne system of any of claims 1 to 10, wherein the valve unit of the filling assembly comprises a valve seat which is in fluid communication with the fluid supply, a valve element and a biasing element which acts normally to bias the valve element against the vaive seat to close the fluid communication path between the connector of the filflng assembly and the fluid supply, wherein the vake element of the valve unit of the fiuilti9 assembly is moved by relative axial movement of the connectors of the filling and nozzle assemblies.12. The system of any of claims 1 to ii, wherein the valve una of the nozzle assembly comprises a valve seat which is in fluid communication with the container, a valve element and a biasing element which acts normally to bias the valve element aganst the vave seat to close the fluid communication path between the connector of the nozzle assembly and the container, wherein the valve element of the valve unit of the nozzle assembly is moved by relative axial movement of the connectors of the filling and nozzle assemblies.13. The system of any of claims ito 12, wherein the valve unit of the filflng assembly is configured to open before the valve unit of the nozzle assembly.14, The system of any of claims 1 to 13, wherein the valve unit of the nozzle assembly is configured to close before the vave una of the nozzle assembly.15. The system of any of claims 1 to 14, wherein the filling assembly comprises a biasing unit wh!ch acts axiaHy to bias the connectors to the closed position when the nozzle assembly is engaged with the filling assembly.15, The system of any of claims 1 to 15, wherein the filling device includes a drain connector to which a drain unit is fluidly connectable, and a valve member which is operable to provide for a fluid communication path between the drain connector and the fluid supply.17. The system of any of claims I to 16, wherein the nozzle device is removable from the container.18. The system of any of claims 1 to 17, wherein the fluid supply is a reservoir.19. The system of any of claims 1 to 18, wherein the fluid medium is a volatile liquid medium.20. A nozzle device connectable to a container and for use with a filling device in delivering a fluid medium from the container to a fluid supply, the nozzle device comprising a nozzle assembly which is fluidly connectable to the container and comprises one of a male or female connector and a valve unit which is fluidly connected to the container; -21 wherein the connector of the nozzle assembly includes one of at least one track, which has axial and circumferential components, or at least one foflower, which is interengageable with the other of the at least one track, which has axial and circumferential components, or the at east one follower on a connector of the filling device; whereby, on interengaging the connectors of the nozzle and filling assembUes and applying a rotational force to the connector of the nozzle assembly relative to the connector of the fifing assembly, the one of the at least one track or follower of the connector of the nozzle assembly engages the other of the at least one track or follower of the connector of the filling assembly to cause the connector of the nozzle assembly to move axially in a first direction relative to the connector of the filling assembly from a first, closed position, in which the valve units of the nozzle and fifing assemblies are closed, to a second, open position, in which the valve units of the nozzle and filling assemblies are open, and so providing a fluid communication path between the container and the fluid supply, and, on releasing the rotational force, the one of the at least one track or follower of the connector of tne nozzle assernby engages the other of the at least one track or follower of the connector of the fifing assembly to cause the connector of the nozzle assembly to move axiafy in a second direction, opposite to the first direction, relative to the connector of the fifing assembly from the second, open position, in which the valve units of the nozzle arid filling assemblies are open, to the second, closed position, in which the valve units of the nozzle and filling assemblies are closed, and so closing a fluid communication path between the container and the fluid supply.21. The nozzle device of daim 20, wherein the at least one track is defined by at least one partial thread.22 The nozzle device of claim 20 or 21, wherein the at least one folower is defined by at least one partial thread.23. The nozzle device of any of claims 20 to 22, wherein the connector of the nozzle assembly comprises a plurality of tracks 24 The nozzle device of claim 23, wherein the tracks are defined by a plurality of multi-start, partial threads 25. The nozzle device of any of claims 20 to 22, wherein the connector of the nozzle assembly comprises a plurahty of followers.26. The nozzle device of claim 25, wherein the followers are defined by a pluraUty of multi-start, partial threads.27. The nozzle device of any of claims 20 to 26, wherein the connector of the nozzle assembly includes a guide which provides that the connectors of the nozzle and filling assemblies can only be interengaged when the connectors of the nozzle and filling assernbfles have a predetermined rotational orientation.28. The nozzle device of any of claims 20 to 27, wherein the connector of the nozzle assembly includes at least one stop which acts to limit angular rotation of the connectors of the nozzle and filling assemblies.29. The nozzle device of any of claims 20 to 28, wherein the connector of the nozzle assembly is a male connector comprising a projecting nozzle.30. The nozzle device of any o claims 20 to 29, wherein the valve unit of the nozzle assembly comprises a valve seat which is in fluid communication with the container, a valve element and a biasing element which acts normally to bias the valve element against the valve seat to close the fluid conimunication oath between the connector of the nozzle assembly and the container, wherein the valve element of the valve unit of the nozzle assembly is moved by relative axial movement of the connectors of the filling and nozzle assemblies.3L The nozzle device of any of claims 20 to 30, wherein the flOZZIC device is removable from the container.32. The nozzle device of any of claims 20 to 31, wherein the fluid medium is a volatHe liquid medium.33. A filhng device connectable to a fluid supply and for use with a nozzle device in delivering a fluid medium from a container to the fluid supply, the filling device comprising: a filling assembly fluidly connectable to a fluid supply and comprising one of a male or female connector and a valve unit which is fluidly connected to the fluid supply; wherein the connector of the filling assembly includes one of at least one track, which has axial and circumferential components, or at least one follower, which is interengageable with the other of the at least one track, which has axial and circumferential components, or the at least one follower on a connector of the nozzle device; whereby, on interengaging Ihe connectors of the nozzle and filling assenibhes and applying a rotational force to the connector of the nozzle assembly relative to the connector of the filling assembly, the one of the at least one track or follower of the connector of the nozzle assembly engages the other of the at least one track or follower of the connector of the filling assembly to cause the connector of the nozzle assembly to move axiaHy in a first direction relative to the connector of the filling assembly from a first, closed position, in which the valve units of the nozzle and filling assemblies are closed, to a second, open position, in which the valve units of the nozzle and filling assemblies are open, and so providing a fluid communication path between the container and the fluid supply, and, on releasing the rotational force, the one of the at least one track or follower of the connector of the nozzle assembly engages the other of the at least one track or follower of the connector of the filling assembly to cause the connector of the nozzle assembly to move axially in a second direction, opposite to the first direction, relative to the connector of the filling assembly from the second, open position, in which the valve units of the nozzle and filling assemblies are open, to the second, closed position, in which the valve units of the nozzle and fining assemblies are closed, and so closing a fluid communication path between the container and the fluid supply.34. The flfling device of claim 33, wherein the at least one track is defined by at least one partial thread.35. The filling device of ciaim 33 or 34, wherein the at least one follower is defined by at least one partial thread.36. The filling device of any of claims 33 to 35, wherein the connector of the filling assembly comprises a plurality of tracks.37. The filling device or claim 36, wherein the tracks are defined by a plurality of multi-start, partial threads.38. The filling device of any of claims 33 to 35, wherein the connector of the filling assembly comprises a plurality of followers.39. The filling device of claim 38, wherein the followers are defined by a plurality of mulb-start, part!al threads 40.. The filling device of any of claims 33 to 39, wherein the connector of the filling assembly includes a guide which provides that the connectors of the nozzle and filling assemblies can only be interengaged when the connectors of the nozze and filling asse-'oloes have a predetermined rotational orientation.41. The fifing device of any of claims 33 to 40, wherein the connector of the flUing assembly includes at east one stop which acts to limit angular rotation of the connectors of the nozzle and fifing assemblies.42 The filing device of any of claims 33 to 41, wherein the connector of the filling assembly is a female connector comprising a cavfty for receiving a projecting nozzle of the nozzle assembly.43. The fifing device of any of claims 33 to 42, wherein the valve unit of the filling assembly comprises a valve seat which is in fluid communication with the fluid supply, a valve element and a biasing element which acts normally to bias the valve element against the valve seat to close the fluid communication path between the connector of the filling assembly and the fluid supply, wherein the valie element of the valve unit of the filling assembly is moved by relative axial movement of the connectors of the filling and nozzle assemblies.44 The filling device of any of daims 33 to 43, wherein the filling assembly comprises a biasing unit which acts axially to bias the connectors of the nozzle and filling assemblies to the dosed position when the nozzle assembly is engaged with the filling assembly.45. The fifing device of any of claims 33 to 44, wherein the filling device includes a drain connector to which a drain unit is fluidly connectable, and a valve member which is operable to provide for a fluid communication path between the drain connector and the fluid supply.46. The filling device of any of claims 33 to 45, wherein the fluid supply is a reservoir.47. The filling device of any of claims 33 to 46, wherein the fluid medium is a volatile liquid medium.
GB1418046.7A 2014-10-13 2014-10-13 Filling system for a fluid medium Active GB2531253B (en)

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WO2020030408A1 (en) * 2018-08-08 2020-02-13 Drägerwerk AG & Co. KGaA Connection arrangement for connecting an anaesthetic container to an anaesthetic vaporizer
WO2020089699A1 (en) * 2018-10-31 2020-05-07 Sia Emteko Holding Adapter for delivery of liquid pharmaceutical composition from bottle to the loading device of the inhalation device
GB2617415A (en) * 2022-04-07 2023-10-11 Everest Tecnovet S L Adaptable filling device

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US11324913B2 (en) 2019-11-15 2022-05-10 GE Precision Healthcare LLC Systems and methods for filling an anesthesia vaporizer using an ullage volume and vent
WO2021134370A1 (en) * 2019-12-30 2021-07-08 深圳迈瑞生物医疗电子股份有限公司 Perfusion device, anesthetic vaporizer, and anesthetic machine
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GB201418046D0 (en) 2014-11-26
GB2531253B (en) 2021-03-03

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