EP0236098A2 - Dispositif de siphonage pour une chasse d'eau - Google Patents

Dispositif de siphonage pour une chasse d'eau Download PDF

Info

Publication number
EP0236098A2
EP0236098A2 EP87301778A EP87301778A EP0236098A2 EP 0236098 A2 EP0236098 A2 EP 0236098A2 EP 87301778 A EP87301778 A EP 87301778A EP 87301778 A EP87301778 A EP 87301778A EP 0236098 A2 EP0236098 A2 EP 0236098A2
Authority
EP
European Patent Office
Prior art keywords
cistern
end portion
inlet
water
shaped pipe
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Withdrawn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
EP87301778A
Other languages
German (de)
English (en)
Inventor
Charles Glyn Roberts
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.)
Handymate Ltd
Original Assignee
Handymate 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
Priority claimed from GB868605299A external-priority patent/GB8605299D0/en
Application filed by Handymate Ltd filed Critical Handymate Ltd
Publication of EP0236098A2 publication Critical patent/EP0236098A2/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/02—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor
    • E03D5/024—Operated hydraulically or pneumatically
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/02—High-level flushing systems
    • E03D1/06—Cisterns with tube siphons
    • E03D1/07—Cisterns with tube siphons with movable or deformable siphon tubes
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/02—High-level flushing systems
    • E03D1/14—Cisterns discharging variable quantities of water also cisterns with bell siphons in combination with flushing valves
    • E03D1/141—Cisterns discharging variable quantities of water also cisterns with bell siphons in combination with flushing valves in cisterns with tube siphons and with tube siphons in combination with flushing valves

Definitions

  • the present invention relates to a syphon device for a flushing cistern.
  • Such syphon devices have conventionally employed an inverted U-shaped tube, one end of which is connected to the outlet to the cistern, and the other end of which is provided with a widened cylindrical portion in which a piston is vertically reciprocable.
  • the piston has a valving arrangement, such that when the piston is raised, it initiates syphonic action, and thereafter water can flow via valve arrangement in the piston until the water in the cistern has drained to the bottom end of the widened portion.
  • a syphon device for a flushing cistern comprising an inverted, generally U-­shaped pipe, having first and second end portions joined by an upper connecting part, an outlet spigot for the cistern, means for mounting the U-shaped pipe so that it can be vertically reciprocated as a whole, substantially in its own plane, in the cistern, between an upper position in which the connecting part is above the cistern water level and a lower position in which it is below the cistern water level and means connecting the first end portion with the outlet spigot, so as to accommodate the vertical movement, while maintaining the connection, the second end portion being in fluid communication with the water in the cistern.
  • the means connecting the first end portion to the spigot comprises a flexible outlet sleeve extending therebetween. This provides a reliable connection with the two parts.
  • the means connecting the first end portion to the spigot comprise a flexible outlet bellows which may, if desired, be formed integrally with the U-shaped pipe, e.g. by blow moulding.
  • an inlet housing is securable to the bottom of the cistern and a flexible inlet sleeve is connected between the inlet housing and the second end portion of the U-shaped pipe, the inlet housing having an inlet opening for communicating with the interior of the cistern.
  • the flexible inlet and/or outlet sleeve are preferably formed of a flexible tube of plastics material provided with a reinforcement, for example in the form of a fabric or the like because the sleeves will undergo flexure every time the U-shaped tube moves between its two positions.
  • the inlet housing may be connected to the second end portion of the U-shaped pipe by means of an inlet bellows which may also be formed integrally with the U-shaped pipe by blow moulding.
  • the inlet bellows will act in the manner of a pump to force water over the bend of the U-shaped pipe to initiate the syphon action.
  • the inlet bellows is preferably of significantly larger capacity than the outlet bellows to facilitate this.
  • a one way valve e.g. a flap valve, is mounted adjacent the lower end of the inlet bellows to improve this pumping action.
  • the inlet housing can, in a simple construction, be securable to the bottom of the cistern by being directly connected to the outlet spigot, for example by being formed integrally therewith. All of the parts of the device of the present invention can be formed of a plastics material to reduce expense.
  • the flexible inlet sleeve or more preferably the inlet housing is provided with at least one aperture adapted to be spaced above the bottom of the cistern, in order to break the syphon flowing through said syphon tube, when the water level in the cistern drops to a level above the bottom of the cistern. In this way a small amount of water is always retained within the cistern.
  • the second end portion is provided with a supplementary inlet which opens into the cistern at a level above the lower end of said second end portion, whereby, if the U-shaped pipe is maintained fully down in its lower position, a larger proportion of the water in the cistern will be flushed, while, if the U-shaped pipe is allowed to rise immediately after the syphon has been made, the syphon will be broken when the water level drops to the level of the supplementary inlet, so that a smaller proportion of the water will be flushed.
  • the supplementary inlet is preferably in the form of a tube connected to the second end portion and extending downwardly beside the inlet bellows, where provided.
  • the U-shaped pipe may be movable to pass outside the outlet spigot it is preferably movable within it so that the inlet sleeve is always within the outlet spigot, when the U-shaped pipe is in its lower position.
  • the means for mounting the U-shaped pipe in one particular construction, comprise a vertical rod adapted to pass through the top of the cistern, so that it can be directly manually depressed to move the U-shaped pipe to the lower position.
  • Preferably means are provided to urge the U-­shaped resiliently to the upper position, for example a simple coil compression spring.
  • the means for mounting the U-shaped pipe for vertical reciprocable movement comprises a support securable to the cistern, a hydraulic actuator connected to said support and said U-shaped pipe, a feed pipe connected to said hydraulic actuator and connectable to the water supply of the flushing cistern and a manually operable actuating valve in said feed pipe, such that operation of said actuating valve allows the water supply pressure to be fed to said actuator to force said U-shaped pipe to its lower position.
  • the support comprises an L-shaped bracket having a foot and an upstanding leg, the foot having an opening therein engageable by said outlet spigot to retain said bracket in place, the hydraulic actuator being connected to said upstanding leg.
  • a flushing cistern including a water inlet valve connectable to a water supply, an inverted, generally U-shaped pipe, having first and second end portions joined by an upper connecting part, together forming a syphon tube, an outlet spigot for the cistern, means for connecting the first end portion to the outlet spigot, the second end portion being in fluid communication with water in said cistern, reciprocable means to cause water to flow from said second end portion into said connecting part to initiate a syphon action, a support securable to said cistern, a hydraulic actuator connected to said support and said means to cause water to flow, a feed pipe connected to said hydraulic actuator and connectable to the water supply of the flushing cistern and a manually operable actuating valve in said feed pipe such that operation of said actuating valve allows the water supply pressure to be fed to said actuator, to cause said means
  • a conventional generally rectangular cistern l0 is provided with a lid ll carrying a tubular guide l2 through which is axially slidable a shaft l3 having a push knob l4 at its upper end with a return spring l5 shown between a flange l6 on the upper end of the shaft.
  • a further flange l7 is provided at the lower end of the guide.
  • the shaft l3 has been shown broken away for clarity of illustrated and will, in fact, be rather longer than shown in the drawing for a reason which will become apparent below.
  • the flange l7 on the shaft l3 is connection to the upper connecting part l8 of an inverted U-shaped pipe l9 having a first end portion 20 and a second end portion 2l which is illustrated as being slightly longer than the end portion 20.
  • first flexible sleeve 23 Secured in a conventional manner to the lower part of the cistern by means (not shown) is an outlet spigot 22 connected to the downpipe of the cistern, for example for connecting the cistern to the pan of a flushing toilet.
  • the first end portion 20 is connected to the outlet spigot by a first flexible sleeve 23 which may, for example, be formed from a flexible tube of plastics material provided with a suitable reinforcement, for example of a fabric.
  • the ends of the flexible sleeve may be secured by welding, adhesive, or by a suitable clamp, although the welding method is preferred.
  • An inlet housing 24 is positioned below the second end portion 2l of the U-shaped tube l9 and is capable of being fixed to the bottom of the cistern, for example by being connected to, or preferably formed integrally with, the outlet spigot 22.
  • a second flexible sleeve 25, similar to the sleeve 23, is connected between the housing 24 and the second portion 2l. Housing 24 is provided with inlet apertures 26.
  • a conventional rectangular cistern 40 has a lid 4l and mounted within the cistern for vertical reciprocal movement is a U-shaped pipe 42 having a connecting portion 43 and first and second end portions 44 and 45.
  • the first end portion 44 is connected by an outlet bellows 46 to an outlet spigot 47 connected to the downpipe 48 of the cistern.
  • a similar, but rather larger inlet bellows 49 is connected to the second end portion 45 and is provided with an inlet housing portion 50 provided with inlet openings 5l.
  • the bellows 46 and 49 may be formed integrally with the arms 44, 45 by means of blow moulding.
  • the end portion 45 is formed with a supplementary inlet in the form of an L-shaped tube 52 having an opening 53 significantly below the normal water level 54 of the cistern and also communicating at 55 with the interior of the second end portion 45 of the U-shaped pipe 42.
  • a crank arm 56 may be operated by the usual square cross-section bar 57 connected to a flushing handle (not shown) and is connected to a boss 58 via a slot 59.
  • the second portion 45 could be elongated somewhat, and there could simply be an opening in the portion 45 at the same level as the opening 53 as indicated. Similarly, if one did not wish to have this facility for the partial flushing, the bellows arrangement could be used.
  • FIG. 3 The arrangement of Figure 3 is generally similar to that of Figure 2, but an alternative arrangement has been shown for mounting the inverted U-shaped tube.
  • This includes an L-shaped bracket 70 having a foot portion 72 and an upstanding leg 74.
  • the foot portion 72 is provided with an opening or a slot through which is fitted the outlet spigot 48 and when the conventional nut is screwed up onto the outlet spigot, this will hold the bracket 70 in the position indicated so that the upstanding leg 74 is adjacent the bellows 46, 49.
  • a hydraulic actuator 76 of the conventional piston and cylinder type. This has a piston rod 78 which is connected to a spigot 80 on the connection portion 43 of the inverted U-tube 42.
  • the drawing also illustrates a conventional water inlet valve 82 having a water supply pipe 84 and the arm 86 of a float valve shown only partly.
  • a feed pipe 88 Connected to the water supply pipe 84 is a feed pipe 88 having connected therein an actuating valve 90 with an outlet pipe 92 connected to the hydraulic actuator 76.
  • An operating button 94 is provided for the valve 90, this operating button, for example, being provided in a front face or the lid of the cistern.

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Sanitary Device For Flush Toilet (AREA)
EP87301778A 1986-03-04 1987-02-27 Dispositif de siphonage pour une chasse d'eau Withdrawn EP0236098A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8605299 1986-03-04
GB868605299A GB8605299D0 (en) 1986-03-04 1986-03-04 Syphon device
GB868624688A GB8624688D0 (en) 1986-03-04 1986-10-15 Syphon device for cistern
GB8624688 1986-10-15

Publications (1)

Publication Number Publication Date
EP0236098A2 true EP0236098A2 (fr) 1987-09-09

Family

ID=26290434

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87301778A Withdrawn EP0236098A2 (fr) 1986-03-04 1987-02-27 Dispositif de siphonage pour une chasse d'eau

Country Status (1)

Country Link
EP (1) EP0236098A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007111493A1 (fr) * 2006-02-28 2007-10-04 Lee Chooi Tian Tube siphon déversant deux quantités différentes d'eau d'entraînement
GB2518805A (en) * 2013-06-14 2015-04-08 Nat College Of Art And Design A float device
CN111691098A (zh) * 2020-07-01 2020-09-22 浙江天派针织有限公司 一种节水型的针织面料水选装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007111493A1 (fr) * 2006-02-28 2007-10-04 Lee Chooi Tian Tube siphon déversant deux quantités différentes d'eau d'entraînement
CN101389814B (zh) * 2006-02-28 2012-11-14 李水天 排放两种不同冲水量的虹吸管
GB2518805A (en) * 2013-06-14 2015-04-08 Nat College Of Art And Design A float device
GB2518805B (en) * 2013-06-14 2018-02-14 Nat College Of Art And Design A float device
CN111691098A (zh) * 2020-07-01 2020-09-22 浙江天派针织有限公司 一种节水型的针织面料水选装置
CN111691098B (zh) * 2020-07-01 2022-08-02 浙江天派针织有限公司 一种节水型的针织面料水选装置

Similar Documents

Publication Publication Date Title
US5548850A (en) Toilet with two flush modalities
USRE44783E1 (en) Flushette partial and full toilet flush devices
US7200877B2 (en) Dual flush water saving toilet system
US3744064A (en) Toilet operating and control system
US4408361A (en) Diverter valve
EP0463785A1 (fr) Toilette pour véhicule de loisir avec pédale de chasse d'eau
US4230145A (en) Fluid control valve
EP1360380B1 (fr) Chasse d'eau avec siphon
US6112763A (en) Valves
US2442927A (en) Tank inlet valve means
EP0236098A2 (fr) Dispositif de siphonage pour une chasse d'eau
US5333332A (en) Dual flush system
US6061844A (en) Water-conserving toilet having independently flushable main and urinal bowls
WO2003004785A1 (fr) Systeme d'evacuation depressurise
GB1592639A (en) Overflow device for water flushing apparatus
US5862538A (en) Toilet flushing device
US2717396A (en) Fluid control
US3466674A (en) Toilet flush mechanism
US9151028B2 (en) Flushing valve
US2412452A (en) Flush tank control
US4082110A (en) Water level control for toilet having vertical float
US5259074A (en) Flush valve control apparatus
CN215948375U (zh) 冲洗阀总成及包括其的马桶
US5440765A (en) Revised automatic water shut off for stuck open flush valves in toilet water tanks
US2814305A (en) Valve for water closets

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19871208

RIN1 Information on inventor provided before grant (corrected)

Inventor name: ROBERTS, CHARLES GLYN