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(11)    Patent No :    AP 1996   
(21)    Application No :    AP/P/2005/003450   
(22)    Filing Date :    17.05.2004   
(24)    Date of Grant &    13.04.2009   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
AU    2003902582    23.05.2003

(84)    Designated State

BW    GM    GH    KE    LS    MW  MZ   NA   SL
SD    SZ    T Z    UG    ZM    ZW
 

(73) Applicant(s)

WEIR MINERALS AUSTRALIA LTD, 1 Marden Street,

Artarmon, New South Wales 2064,
Australia

(72) Inventors

BURGESS Kevin Edward, Australia

(74) Representative

ADAMS AND ADAMS MOZAMBIQUE

MOZAMBIQUE
 

(51)    International  Classification   F04D 15/00 (2006.01)


(54)    Title

Pressure relief arrangement for a pump

(57)    Abstract

A pressure relief arrangement for a pump (10) which includes a pump housing
assembly with a pumping chamber (25) therein, the pump housing assembly including a section (41) mounted for movement between a normal operating position and a venting position, a shearing element (45) being adapted to retain the section in the normal operating position, the section (41) being mounted so that upon the pressure within the pumping chamber (25) can act on the section (41) and upon the pressure within the pumping chamber (25) reaching a specified pressure, the shearing element (45) will fail thereby permitting movement of the section (41) from the normal operating to the


(56)    Documents Cited :    US 1 203 491 A   DE 4 116 697 A   US 5 472 318 A   DE 9 111 157 A

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