AU2006213966B2 - Improvements in tanks - Google Patents
Improvements in tanks Download PDFInfo
- Publication number
- AU2006213966B2 AU2006213966B2 AU2006213966A AU2006213966A AU2006213966B2 AU 2006213966 B2 AU2006213966 B2 AU 2006213966B2 AU 2006213966 A AU2006213966 A AU 2006213966A AU 2006213966 A AU2006213966 A AU 2006213966A AU 2006213966 B2 AU2006213966 B2 AU 2006213966B2
- Authority
- AU
- Australia
- Prior art keywords
- tank
- assembly
- valve
- auxiliary
- section
- 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
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- Catching Or Destruction (AREA)
- Details Of Reciprocating Pumps (AREA)
- Valve Housings (AREA)
Description
14/09/2006 10:22 6444965949 TERRY AND VERBOEKET PAGE 06/23 o P/00/011 SRegulation 3.2
SAUSTRALIA
C)
SPatents Act 1990 COMPLETE SPECIFICATION STANDARD PATENT Cc- I0 Application No.: Application Date: 14 September 2006 Priority Dates: 11 June 2001 (New Zealand Patent Appin No. 512301) Applicant: C-DAX SYSTEMS LIMITED 145 Harts Road Tiritea Palmerston North NEW ZEALAND Address for Service: TERRY VERBOEKET 15/8 View Street Amcliffe New South Wales 2205 Australia Complete Specification for the invention entitled: "IMPROVEMENTS IN TANKS" The following statement is a full description of this invention, including the best method of performing it known to us: 1 COMS ID No: SBMI-04751413 Received by IP Australia: Time 08:29 Date 2006-09-14 14/09/2006 10:22 6444965949 TERRY AND VERBOEKET PAGE 07/23 S IMPROVEMENTS IN TANKS
BACKGROUND
)This invention relates to a tank.
The mounting of so-called "straddle tanks" on a farm vehicle such as an All Terrain Vehicle is well known. Generally these straddle tanks IN have a main tank portion which sits laterally across the ATV (being cc mounted to the front or rear carrier of the ATV) and has at least one but more usually a pair of arms which extend along one or along each side of I the ATV. The tank will generally carry an electric pump.
For stability reasons it is desirable that the tank not adversely affect the balance of the ATV. However, some of the tanks of this type have effectively impacted on the centre of gravity of the ATV when loaded with the tank and consequently instability problems have arisen.
Tanks of this type do not generally include provision for carrying a supply of chemicals or clean water. Thus a user may have to return to a point where chemicals are stored so as to refill the tank when chemical spraying is taking place.
SUMMARY OF THE INVENTION It is one object of the present invention to provide a tank which is particularly useful for mounting on an All Terrain Vehicle and which is provided a means of readily carrying a supply of chemicals or clean water.
According to the present invention a tank assembly for mounting on an All Terrain Vehicle includes a main tank and an auxiliary tank for retention of a liquid separate from any liquid held within the main tank; and a mounting arrangement for removably engaging the auxiliary tank with the main tank, wherein the main tank has a tank wall incorporating a recess in an underside portion of the main tank, configured and arranged to, in use, accommodate, and provide some protection for, a pump assembly. The 2 COMS ID No: SBMI-04751413 Received by IP Australia: Time 08:29 Date 2006-09-14 14/09/2006 10:22 6444965949 TERRY AND VERBOEKET PAGE 08/23 Va 0 assembly can include a cover for holding a pump assembly in place in the 0i recess.
j) BRIEF DESCRIPTION OF THE DRAWINGS In the following more detailed description of the invention according to one preferred embodiment reference will be made to the accompanying \IO drawings in which:
F
Figure 1 is a plan view of the tank, ec 0 Figure 2 is a back elevation view of the tank, \0 o 10 Figure 3 is a side elevation view of the tank, CI Figure 4 is a bottom plan view of the tank (with an auxiliary tank fitted), Figure 5 is a plan view of an auxiliary tank to be fitted to the main tank, Figure 6 is an elevation view of the auxiliary tank, Figure 7 is an end elevation view of the auxiliary tank, Figure 8 is a plan view of the tank and auxiliary tank mounted together, Figure 9 is a side elevation view of the arrangement shown in Figure 8, Figure 10 is a rear elevation view of the arrangement shown in Figures 8 and 9, Figure 11 is an elevation view of a valve arrangement, Figure 12 is a further elevation view of the valve, Figure 13 is a plan view of the valve, and Figure 14 is a section on line F-F of Figure 13.
3 COMS ID No: SBMI-04751413 Received by IP Australia: Time 08:29 Date 2006-09-14 14/09/2006 10:22 6444965949 TERRY AND VERBOEKET PAGE 89/23
VO
o DESCRIPTION OF THE PREFERRED
EMBODIMENTS
c In line with known constructions the tank 10 can be formed by a rotational O=plastic moulding process. The tank is, therefore, formed in one piece.
Cj) The tank is of a "straddle" type and thus consists of a lateral section 11 from which extends a pair of parallel spaced apart arms 12. An opening 13 IND is formed in the upper side of the lateral section 11 for the purposes of
VO
Iloading the tank. A screw on or bayonet fit lid (not shown) is used to close the opening 13.
Va) 010 A cavity 14 is formed in the underside of the lateral section 11. The pump Sassembly (not shown), being a pump and associated electric motor, is located within this cavity 14. The pump assembly is not held in place by fixings but simply by the attachment of a cover 15 which effectively clamps the pump assembly in place within the cavity 14. This makes for ease of installation as well as ease of access to the pump assembly should servicing, repairs etc. be required.
An advantage of having the cavity 14 located in the underside of the main or lateral portion 11 of the tank 10 is that the cavity is effectively located within the liquid when the tank is full. This leads to a cooling effect on the pump assembly.
Furthermore, by having the pump assembly located within the bottom cavity 14 the effective centre of gravity of the tank lowers as the tank empties. This is contrary to previous designs where the pump assembly has been located on the upside of the tank which means that the centre of gravity still remains high even though the tank becomes lighter due to liquid emptying from the tank.
A further advantage of the mounting of the pump within the bottom cavity 14 is that it is hidden away from view and damage, It also results in a tank having an uncluttered aesthetically pleasing appearance.
4 COMS ID No: SBMI-04751413 Received by IP Australia: Time 08:29 Date 2006-09-14 14/09/2006 10:22 6444965949 TERRY AND VERBOEKET PAGE 10/23 O According to the present invention all plumbing is internal. The pump is, 0^ therefore, plumbed with a pipe through to a pair of valves 17 each of which is removably fitted into the distal end 18 of a respective arm 12 of the CA tank 10. The pump assembly is plumbed internally in the tank to each valve 17.
\N The valve 17 includes a base 31, a body section 32 mounted thereon (see 0, Figure 13) and a cage section 33. The cage section 33 can be a separate unit mounted onto the body section 32 so that an upper part projects C 10 therefrom. However, in the preferred form a series of pillars 33a are Smoulded with the body section 32 to project from the upper rim 32a of the Sbody section 32. A cover or lid section 34 is mounted onto the ends of the pillars 33a of cage section 33.
The body section 32 incorporates a circular wall 35 with a peripheral flange 36 which mates face to face with flange 37 of the base 31. The valve 17 can thus be sealingly fitted into a circular opening 46 in end 18 of arm 12. This can be achieved by an annular wall 45a surrounding the circular opening. The external surface of the annular wall 45a can be formed with or carry a screw thread. An attachment ring 45 with an internal screw thread (which conforms with that on the annular wall) can he engaged over the base 31 so that an internal rim engages with flange 37.
By screwing the attachment ring 45 onto the annular wall 45a the flange 36 can be pushed into sealing contact with the surface of the end 18a of arm 12 which defines the circular opening therein.
The method of fixing used to mount valve 17 in arm end 18 can take on other forms. However, it will be of a form such that the valve 17 can be readily removed or at least partially removed.
The body section 32 has an elliptical (in cross-section) cavity 38. The pillars 33a are moulded into the wall of the cavity 38.
COMS ID No: SBMI-04751413 Received by IP Australia: Time 08:29 Date 2006-09-14 14/09/2006 10:22 14/9/8861822 6444965949 TERRY AND VERBOEKET PG 12 PAGE 11/23 VaO o A nipple 39 projects from body section 32. A tube (not shown) is fitted onto 0 nipple 39 to extend along arm 18 and through lateral section 11 to fit with ci9 the pump in the cavity 14. Preferably the tube from the nipple 39 of each valve, 17 joins at a junction within lateral section 11 so that only a single tube is connected to the pump. The junction could equally, but less preferably, be located in cavity 14.
VaO INO Located about the pillars 33a of the cage section 33 is a mesh filter 42.
The cage section 33 thus defines a more or less cylindrical housing extending above the valve seat 41 and within which the ball 40 can float.
Because this cylindrical ball retention area is located within what amounts to an elliptical cavity it means that suction cannot be applied to the ball such as to draw it onto the seat 41 until the tank 10 is more or less empty.
According to one form of the invention the ball 40 can simply be a ball of the type used in the game of squash.
In the proposed arrangement the conical valve seat 41 extends, when the valve 17 is located in arm 18, downwardly from what effectively is the floor of the extreme end 1 8a of the arm 12. Because suction of the pump is via a tube to nipple 39 which opens to a transfer passage 43 to port 43a in the bottom of -the conical seat essentially complete removal of liquid in the tank 10 will be achievable. In essence all that will usually remain in the tank is a small amount of liquid in the conical seat 41 and base 31 (e~g.
flow passage 43).
Because favourable suction remains between the ball valve 17 and the pump a pressure relief valve v is provided near the top of the tank (adjacent opening 13) which, when released, vents the tubes in each arm 12 to atmosphere. In a preferred form the vent valve V is connected (preferably directly) to the previously described junction. Consequently the junction of the tubes from valves 17 will be within tank section 11 and a single tube will run therefrom to the pump assembly in the cavity 14.
COMS ID No: SBMI-04751 413 Received by IP Australia: Time 08:29 Date 2006-09-14 14/09/2006 10:22 6444965949 TERRY AND VERBOEKET PAGE 12/23 Va S By having a filtered valve 17 in each arm 12 the tank has an overall filter C area nearly three times the filter surface area typical of tanks of this type.
SThus good filtering characteristics are achievable. This means that the tank 10 can be filled and exhausted many times before the filters 42 need to be cleaned.
SThe tube from the pump assembly in cavity 14 to the valve 17 will be IN arranged to be sufficiently long so that the screw threaded attachment ring 45 holding the valve 17 into the end 18 of arm 12 can be released to let the valve 17 drop down sufficiently from the arm 12 to expose the 0 filter 42 for cleaning.
The lower end of filter 42 engages in a groove 44 which is in the rim 32a of body section 32 and extends there around. Similarly, a groove 45 is provided in the removable cover 34 to engage with the upper end of filter 42. Thus, cover 34 can he removed and the filter 42 slipped off the case section 33 for cleaning. Two of the pillars 33a of the cage section have spigots 44 which press or interference fit in openings in the cover 34.
Thus, the cover 34 can be readily removed and refitted.
The rear outward wall 19 of the main tank portion 11 includes a mounting arrangement 20 for an auxiliary tank 21. This auxiliary tank 21 has a removable lid 22 which closes an opening in an upper surface of the tank.
Also provided is a drain valve or the like 23 in a lower surface of the tank.
The auxiliary tank 21 has a pair of outwardly extending wings 24 which are preferably contoured to follow the contours of the outside wall 19 of the main tank 11. A mounting portion 26 of the auxiliary tank 21 interengages with the mounting arrangement 20 of the tank so that the auxiliary tank 21 can sit on and be suspended from the rear of the tank Generally a straddle tank of this type will be fixed to the vehicle by ratchet straps or the like. With the present invention the ratchet straps used to strap about the main section 11 of the tank 10 where it joins with the 7 COMS ID No: SBMI-04751413 Received by IP Australia: Time 08:29 Date 2006-09-14 14/09/2006 10:22 6444965949 TERRY AND VERBOEKET PAGE 13/23 Va o arms 12 and will also fit over the wings 24 of the auxiliary tank 21. The 0 straps will thus not only hold the tank 10 onto the carrier of the ATV but Salso strap the auxiliary tank 21 into place.
5 The auxiliary tank 21 is also configured so as to provide an outboard flange 28. The body portion 27 of the tank 21 between this outboard \O flange 28 and the wings 24 is of generally curved cross sectional shape.
SAccordingly a spray hose extending from the pump assembly can be wound about the central body portion 27 of the tank 21 to provide for hose Cl 10 storage.
Va Cl Furthermore, a spray wand can be stored in a non-use position across the back of the tank 10 by engaging it in the groove 29 of the mounting arrangement 20. In such position the spray wand will also sit behind raised flanges 30 which form extensions of the wings 24 up to the mounting area The auxiliary tank 21 is readily removable if not required. However, when in place it not only provides a storage means for the spray hose and spray wand but also storage for chemicals or clean water.
Thus, for example, in use chemicals could be held in the auxiliary tank 21 while the main tank 10 is filled with water from a convenient location in the area in which spraying is to occur. In a farm application water could be filled from e.g. a feeding trough etc. Chemical taken from auxiliary tank 21 could then be mixed with the water and spraying take place. This arrangement permits various refilling of the tank 10 to occur without the user having to return to a point where chemicals are stored.
Alternatively if the storage of chemicals is not required the auxiliary tank 21 can contain clean water for the purposes of washing etc.
8 COMS ID No: SBMI-04751413 Received by IP Australia: Time 08:29 Date 2006-09-14 14/09/2006 10:22 6444965949 TERRY AND VERBOEKET PAGE 14/23 0 It is to be understood that the foregoing detailed description is given 0 merely by way of illustration and that numerous modifications and changes 0 may be made without departing from the spirit of the invention.
IO
NC) O 0 9 COMS ID No: SBMI-04751413 Received by IP Australia: Time 08:29 Date 2006-09-14
Claims (9)
- 3. A tank assembly as claimed in claim 1 wherein the auxiliary tank further includes a spray handpiece mounting means.
- 4. A tank assembly as claimed in claim 1, 2 or 3 wherein the auxiliary tank includes at least one wing member whereby the auxiliary tank can be strapped onto the main tank. A tank assembly as claimed in any preceding claim including a cover for holding a said pump assembly in the recess.
- 6. A tank assembly as claimed in any preceding claim wherein the main tank has a main tank section which, in use and with the tank assembly mounted on an all terrain vehicle, extends laterally of the said vehicle and at least one arm section which extends longitudinally of the said vehicle, wherein each arm section has a distal end which is located at a level lower than the main tank section.
- 7. A tank assembly as claimed in claim 6 wherein each said distal end incorporates a valve. COMS ID No: SBMI-04751413 Received by IP Australia: Time 08:29 Date 2006-09-14 14/89/2006 10:22 6444965949 TERRY AND VERBOEKET PAGE 16/23 IN O 8. A tank assembly as claimed in claim 7 including a pump assembly C connected to each valve by a conduit which extends from the pump Sassembly, through the tank wall, and then internally of the main tank /through at least a part of the main tank section and down the arm 5 with which the valve is incorporated, to the valve. \O 9. A tank assembly claimed in claim 7 or 8 wherein the valve is 0NO removable externally of the arm sufficient to gain access to a filter Sassociated with the valve. \0 A tank assembly as claimed in claim 9 wherein the filter is mounted on the valve.
- 11. A tank assembly as claimed in any preceding claim including an opening with a removable closure in an upper part of the auxiliary tank.
- 12. A tank assembly as claimed in any preceding claim wherein a drain valve is located in a lower part of the auxiliary tank.
- 13. A tank assembly as claimed in any preceding claim wherein the mounting arrangement suspends the auxiliary tank from a section of the wall of the main tank.
- 14. A tank assembly as claimed in claim 13 wherein the auxiliary tank includes a pair of oppositely disposed wing members about which straps means are engaged to strap the auxiliary tank onto the main tank.
- 15. A tank assembly as claimed in any one of claims I to 12 wherein the auxiliary tank is configured and arranged to. in use and with the tank assembly mounted on an all terrain vehicle, extend laterally of the said vehicle. 11 COMS ID No: SBMI-04751413 Received by IP Australia: Time 08:29 Date 2006-09-14 14/09/2006 10:22 6444965949 TERRY AND VERBOEKET PAGE 17/23 O 16. A tank assembly as claimed in claim 15 wherein the auxiliary tank is 0 contoured to follow the contours of the part of the main tank with, which the auxiliary tank is engaged. r) 5 17. A assembly tank substantially as herein described with reference to, and as illustrated in, Figures 1 to 10 of the accompanying drawings. NO \O N1 12 COMS ID No: SBMI-04751413 Received by IP Australia: Time 08:29 Date 2006-09-14
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2006213966A AU2006213966B2 (en) | 2001-06-11 | 2006-09-14 | Improvements in tanks |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ512301 | 2001-06-11 | ||
AU44491/02A AU4449102A (en) | 2001-06-11 | 2002-06-03 | Improvements in tanks |
AU2006213966A AU2006213966B2 (en) | 2001-06-11 | 2006-09-14 | Improvements in tanks |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU44491/02A Division AU4449102A (en) | 2001-06-11 | 2002-06-03 | Improvements in tanks |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2006213966A1 AU2006213966A1 (en) | 2006-10-12 |
AU2006213966B2 true AU2006213966B2 (en) | 2009-01-22 |
Family
ID=37153746
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2006216073A Expired AU2006216073B8 (en) | 2001-06-11 | 2006-09-14 | A tank with a removable outlet valve |
AU2006213966A Expired AU2006213966B2 (en) | 2001-06-11 | 2006-09-14 | Improvements in tanks |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2006216073A Expired AU2006216073B8 (en) | 2001-06-11 | 2006-09-14 | A tank with a removable outlet valve |
Country Status (1)
Country | Link |
---|---|
AU (2) | AU2006216073B8 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0528151A2 (en) * | 1991-07-19 | 1993-02-24 | Iveco Magirus Aktiengesellschaft | Tank consisting of separate modules, in particular for fire-fighting vehicles |
GB2323826A (en) * | 1997-02-18 | 1998-10-07 | John Frederick Hart | A tank |
GB2328915A (en) * | 1997-09-08 | 1999-03-10 | Textron Automotive U K | Connected fluid reservoir and fuel tank arrangement |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1037032A (en) * | 1962-01-17 | 1966-07-27 | Lincoln Valves Ltd | Improvements in or relating to fluid control valves |
GB2278186B (en) * | 1990-09-13 | 1995-05-03 | Db Stratabit Ltd | A unidirectional valve |
US6431207B1 (en) * | 2000-03-16 | 2002-08-13 | Ross Operating Valve Company | High-pressure ball-poppet control valve |
-
2006
- 2006-09-14 AU AU2006216073A patent/AU2006216073B8/en not_active Expired
- 2006-09-14 AU AU2006213966A patent/AU2006213966B2/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0528151A2 (en) * | 1991-07-19 | 1993-02-24 | Iveco Magirus Aktiengesellschaft | Tank consisting of separate modules, in particular for fire-fighting vehicles |
GB2323826A (en) * | 1997-02-18 | 1998-10-07 | John Frederick Hart | A tank |
GB2328915A (en) * | 1997-09-08 | 1999-03-10 | Textron Automotive U K | Connected fluid reservoir and fuel tank arrangement |
Also Published As
Publication number | Publication date |
---|---|
AU2006216073B8 (en) | 2009-10-08 |
AU2006216073B2 (en) | 2009-06-11 |
AU2006213966A1 (en) | 2006-10-12 |
AU2006216073A1 (en) | 2006-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FGA | Letters patent sealed or granted (standard patent) | ||
PC | Assignment registered |
Owner name: C-DAX LIMITED Free format text: FORMER OWNER WAS: C-DAX LIMITED |
|
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |