EP0038782A1 - Dispositif de vidage pour réservoir de chasse d'eau - Google Patents

Dispositif de vidage pour réservoir de chasse d'eau Download PDF

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Publication number
EP0038782A1
EP0038782A1 EP81830057A EP81830057A EP0038782A1 EP 0038782 A1 EP0038782 A1 EP 0038782A1 EP 81830057 A EP81830057 A EP 81830057A EP 81830057 A EP81830057 A EP 81830057A EP 0038782 A1 EP0038782 A1 EP 0038782A1
Authority
EP
European Patent Office
Prior art keywords
tubular casing
float
valve seat
cylindrical tubular
aperture
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Withdrawn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
EP81830057A
Other languages
German (de)
English (en)
Inventor
Carlo Calaprice
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0038782A1 publication Critical patent/EP0038782A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
    • E03D1/34—Flushing valves for outlets; Arrangement of outlet valves

Definitions

  • the present invention relates to a flushing tank discharge device and particularly to a discharge device with manual remote control.
  • the flushing tank discharge device is operated by the opening of an appropriate valve equipping the tank.
  • the valve seat is generally machined near by or right in the tank aperture, while the obturator cooperating with the said valve seat, is connected to a float by means of more or less complicated levers and the like.
  • the valve as well as the means (connecting rods, levers, control devices and the like) for actuating said valve are perfectly working.
  • valves and the respective operating means are made with structural and functional features which net always meet satisfactory requirements.
  • the valve tightness is not always sufficiently guaranteed and the valve actuating means, particularly in case of a remote control, are requiring a considerable force to be actuated and therefore are subject to deformations, require often not easy maintenance and setup, due to the uneasy accessibility to the places where they operate.
  • a flushing tank discharge device comprising:
  • said device moreover comprises an overflow pipe, extending parallel to said cylindrical tubular casing and communicating with the inner side thereof in a position between the valve seat and said open end, said overflow pipe being longer than said cylindrical tubular casing.
  • said float is cylin drical and has a slightly smaller diameter and a sborter axial length respectively than the internal diameter and the axial length of said cylindrical tubular casing.
  • the device according to the present invention is meant to be mounted on a flushing tank in such a way that a portion of the respective cylindrical tubular casing, comprising the open end thereof, is coaxially fitted, fluid tight, into the discharge aperture.
  • the cylindrical tubular casing and the overflow pipe are vertically positioned and the upper end of the overflow pipe overhangs for a predeterminated length the upper closed-end of the cylindrical tubular casing.
  • the plate like closing element is kept in the closure position on the valve seat by its own weight and by the weight of the float, lying on it.
  • the cylindrical tubular casing according to the present invention acts as a diving bell, that is it is not filled with water due to the air trapped mainly in the space between the float and the upper closed end of the cylindrical casing.
  • the flushing tank has to be discharged it is sufficient to operate the relief valve to cause the trapped air to escape.
  • the water can therefore immediately fill the cylindrical tubular casing.
  • the float is pushed upwardly together with the plate like closing element and the valve seat is opened.
  • the tank discharge starts immediately when the trapped air is caused to escape through the relief valve which can be operated with an effort as small as desired, without affectinc the performance of the device.
  • Another advantage is represented by the fact that when the tank is full of water, the float anyhow lies with its weight on the plate like closing element pressing on it together with the hydrostatic pressure to keep the same against the valve seat.
  • the lifting of the closing element which is sharp and immediate, can be carried out by the float only when the trapped air in the diving bell is allowed to escape and the water to enter the bell; it could be noticed that the air escaping is obtained by relief means which can be operated with the slightest effort from any desired distance, independently from the water head in the flushing tank.
  • the device of the present invention it is possible to install the tanks at any desired level thus improving its performance due to the increased kinetic force of the falling water.
  • the plate like closing element is kept spaced from the valve seat.
  • a discharge device for flushing tanks according to the present invention, includes a cylindrical tubular casing 2, having one end closed by a cross wall 3 and the other end 4 open to be fitted into a discharge aperture 29 in the flushing tank 30.
  • a transversally reduced portion 5 provided in the said cylindrical tubular casing 2 comprises the said open end 4, which will engage, f.i. by screwing, with the discharge aperture 29 of the flushing tank 30.
  • a transversally defined valve seat 6 cooperates with a membrane plate like closing element 7..
  • This element 7 is assembled on a stem 8, coaxially fixed in any conventional way to the lower wall of a cylindrical float 9.
  • This float 9 is positioned inside the cylindrical tubular casing 2, where it is movable driven in axial direction and having a shorter axial length and a smaller diameter than the said casing.
  • a thin air space 10 is defined by the float 9 and the inner wall of the cy- l indrical tubular casing 2, while a space 11 is defined by the upper end of the float 9 and the closed end, having a predetermined volume when the element 7 is in closure position of the respective valve seat 6.
  • the float 9 is advantageously provided with a rod shaped projection 12, axially overhanging the upper wall of the float and engaging a guide, f.i. a hole 13, in the closed end 3 of the cylindrical casing 2.
  • a relief aperture 14 is provided in the closed end 3 connected with the end of a duct 16, preferably in flexible material, having the other end assembled on a nonreturn relief valve group, schematically shown by 17, and manually operated.
  • Said relief valve group comprises a casing 17a having a guided movable membrane 18 inside it, operated by a spring 19, against an aperture 20, provided in said casing 17.
  • the membrane 18 can be moved away from the aperture 20 by a pushbutton 21 engaged in the casing 17a of said relief valve group.
  • radial apertures 22 are provided in the wall of the cylindrical tubular casing 2.
  • the axial extension of the apertures 22 are preferably smaller than the distance between the element 7 and the inferior wall of the float 9.
  • An overflow duct 23 is parallel to the cylindrical tubu- l ar casing 2, laterally to it. This overflow duct 23 communicates in the lower part with the inside of the cylindrical tubular casing 2, in a position thereof between the valve seat 6 and the open end 4.
  • the overflow duct 23 is sufficiently long as to allow its upper end 23 a to overhang for a predeterminated section the closed end 3 of the cylindrical tubular casing 2.
  • the cylindrical tubular casing 2 consists of two pieces 2a, 2b.
  • the device 1 is assembled on a flushing tank 30 so that the portion 5 of the cylindrical tubular casing 2 is tight inserted in the discharge aperture 29 of the tank 30 and this insertion is advantageously carried out until the shoulder 5a, defined by the portion 5 and the tubular casing 2, contacts the tank floor 30a.
  • the valve seat 6 and the relative element7 are coaxially positioned near the said discharge aperture 29.
  • the element 7 When the tank 30 is empty, the element 7 is in closure position on the respective valve seat 6 and is maintained in closure position by the weight of the float 9.
  • the position of the relief valve group 17 is the most accessible and convenient for the user.
  • Fig. 2 shows a modified embodiment of the device previou sly described.
  • the overflow duct 23 extends coaxially within the cylin drical tubular casing 2; in this. case, as it is clearly shown, the overflow duct 23 coaxially passes even through the float 9, representing a valid guide element hereof when axially moved. According to the fundamental feature, which still remains,one end of the. overflow duct must be open below the valve seat 6 and the other end open above the upper closed end 3 of the cylindrical tubular casing 2.
  • 25 indicates a tube surrounding the overflow duct 23 forming herewith an air space 2 6.
  • This tube 25 is closed by a wall 27 overhanging for a predetermined section the open end 23a of the duct 23.
  • a small hole 28 is provided in the wall 27.
  • This tube 25 forms practically a diving bell for the overflow duct 23 and the small hole 28 allows to interrupt the possible siphon action which would occur should a large water quantity reach the upper edge of the overflow duct 23.
  • the peculiar task of the tube 25 is to pre vent air inlet in the overlow duct 16 and to usefully contribute to the water discharge during almost all the level decrease in the tank.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Float Valves (AREA)
EP81830057A 1980-04-16 1981-04-10 Dispositif de vidage pour réservoir de chasse d'eau Withdrawn EP0038782A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT4842380 1980-04-16
IT48423/80A IT1128506B (it) 1980-04-16 1980-04-16 Dispositivo di scarico per cassette da latrina

Publications (1)

Publication Number Publication Date
EP0038782A1 true EP0038782A1 (fr) 1981-10-28

Family

ID=11266459

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81830057A Withdrawn EP0038782A1 (fr) 1980-04-16 1981-04-10 Dispositif de vidage pour réservoir de chasse d'eau

Country Status (2)

Country Link
EP (1) EP0038782A1 (fr)
IT (1) IT1128506B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0915278A1 (fr) * 1997-11-04 1999-05-12 DAL-Georg Rost & Söhne Sanitärarmaturen GmbH Dispositif de fermeture de vanne
FR2778682A1 (fr) * 1998-05-18 1999-11-19 Celec Conception Electronique Chasse d'eau automatique

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE273405C (fr) *
DE215516C (fr) *
FR2161707A5 (fr) * 1971-11-18 1973-07-06 Carrara & Matta Spa
DE2931487A1 (de) * 1978-08-04 1980-02-21 Peter Naruszewich Hydraulischer siphon mit pneumatischer rueckflusswirkung in von der abflusstelle beliebig hochstellbaren behaeltern

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE273405C (fr) *
DE215516C (fr) *
FR2161707A5 (fr) * 1971-11-18 1973-07-06 Carrara & Matta Spa
DE2931487A1 (de) * 1978-08-04 1980-02-21 Peter Naruszewich Hydraulischer siphon mit pneumatischer rueckflusswirkung in von der abflusstelle beliebig hochstellbaren behaeltern

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0915278A1 (fr) * 1997-11-04 1999-05-12 DAL-Georg Rost & Söhne Sanitärarmaturen GmbH Dispositif de fermeture de vanne
FR2778682A1 (fr) * 1998-05-18 1999-11-19 Celec Conception Electronique Chasse d'eau automatique
EP0959186A1 (fr) * 1998-05-18 1999-11-24 Celec Conception Electronique Châsse d'eau automatique

Also Published As

Publication number Publication date
IT8048423A0 (it) 1980-04-16
IT1128506B (it) 1986-05-28

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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

Designated state(s): AT BE CH DE FR GB LU NL SE

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

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18D Application deemed to be withdrawn

Effective date: 19821001